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186 results on '"Hartfuss, H. J."'

2. Overview of W7-X Diagnostics

Author

W7-AS / W7-X Teams, Hofmann, J. V., Hartfuß, H. J., Ringler, H., Grigull, P., Stott, Peter E., editor, Gorini, Giuseppe, editor, and Sindoni, Elio, editor

Published
1996
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7. Magnetic configuration effects on the Wendelstein 7-X stellarator

Author

Dinklage A., Beidler C.D., Helander P., Fuchert G., Maassberg H., Rahbarnia K., Sunn Pedersen T., Turkin Y., Wolf R.C., Alonso A., Andreeva T., Blackwell B., Bozhenkov S., Buttenschon B., Czarnecka A., Effenberg F., Feng Y., Geiger J., Hirsch M., Hofel U., Jakubowski M., Klinger T., Knauer J., Kocsis G., Kramer-Flecken A., Kubkowska M., Langenberg A., Laqua H.P., Marushchenko N., Mollen A., Neuner U., Niemann H., Pasch E., Pablant N., Rudischhauser L., Smith H.M., Schmitz O., Stange T., Szepesi T., Weir G., Windisch T., Wurden G.A., Zhang D., Abramovic I., Akaslompolo S., Ali A., Belloso J.A., Aleynikov P., Aleynikova K., Alzbutas R., Anda G., Ascasibar E., Assmann J., Baek S.-G., Baldzuhn J., Banduch M., Barbui T., Barlak M., Baumann K., Behr W., Beidler C., Benndorf A., Bertuch O., Beurskens M., Biedermann C., Biel W., Birus D., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Borsuk V., Boscary J., Bosch H.-S., Bottger L.-G., Brakel R., Brand H., Brandt C., Brauer T., Braune H., Brezinsek S., Brunner K.-J., Brunner B., Burhenn R., Bussiahn R., Bykov V., Cai Y., Calvo I., Cannas B., Cappa A., Card A., Carls A., Carraro L., Carvalho B., Castejon F., Charl A., Chernyshev F., Cianciosa M., Citarella R., Ciupinski L., Claps G., Cole M.J., Cordella F., Cseh G., Czermak A., Czerski K., Czerwinski M., Czymek G., da Molin A., da Silva A., Dammertz G., de la Pena A., Degenkolbe S., Denner P., Dittmar T., Dhard C.P., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Dundulis G., Durodie F., van Eeten P., Ehrke G., Endler M., Ennis D., Erckmann E., Esteban H., Estrada T., Fahrenkamp N., Feist J.-H., Fellinger J., Fernandes H., Fietz W.H., Figacz W., Fontdecaba J., Ford O., Fornal T., Frerichs H., Freund A., Fuhrer M., Funaba T., Galkowski A., Gantenbein G., Gao Y., Regana J.G., Garcia-Munoz M., Gates D., Gawlik G., Geiger B., Giannella V., Gierse N., Gogoleva A., Goncalves B., Goriaev A., Gradic D., Grahl M., Green J., Grosman A., Grote H., Gruca M., Grulke O., Guerard C., Hacker P., Haiduk L., Hammond K., Han X., Harberts F., Harris J.H., Hartfuss H.-J., Hartmann D., Hathiramani D., Hein B., Heinemann B., Heitzenroeder P., Henneberg S., Hennig C., Sanchez J.H., Hidalgo C., Holbe H., Hollfeld K.P., Holting A., Hoschen D., Houry M., Howard J., Huang X., Huber M., Huber V., Hunger H., Ida K., Ilkei T., Illy S., Israeli B., Ivanov A., Jablonski S., Jagielski J., Jelonnek J., Jenzsch H., Junghans P., Kacmarczyk J., Kaliatka T., Kallmeyer J.-P., Kamionka U., Karalevicius R., Kasahara H., Kasparek W., Kazakov Y., Kenmochi N., Keunecke M., Khilchenko A., Killer C., Kinna D., Kleiber R., Knaup M., Knieps A., Kobarg T., Kochl F., Kolesnichenko Y., Konies A., Koppen M., Koshurinov J., Koslowski R., Konig R., Koster F., Kornejew P., Koziol R., Kramer M., Krampitz R., Kraszewsk P., Krawczyk N., Kremeyer T., Krings T., Krom J., Krychowiak M., Krzesinski G., Ksiazek I., Kuhner G., Kurki-Suonio T., Kwak S., Landreman M., Lang R., Langish S., Laqua H., Laube R., Lazerson S., Lechte C., Lennartz M., Leonhardt W., Lewerentz L., Liang Y., Linsmeier C., Liu S., Lobsien J.-F., Loesser D., Cisquella J.L., Lore J., Lorenz A., Losert M., Lubyako L., Lucke A., Lumsdaine A., Lutsenko V., Maisano-Brown J., Marchuk O., Mardenfeld M., Marek P., Marsen S., Marushchenko M., Masuzaki S., Maurer D., McCarthy K., McNeely P., Meier A., Mellein D., Mendelevitch B., Mertens P., Mikkelsen D., Mishchenko O., Missal B., Mittelstaedt J., Mizuuchi T., Moncada V., Monnich T., Morisaki T., Moseev D., Munk R., Murakami S., Musielok F., Nafradi G., Nagel M., Naujoks D., Neilson H., Neubauer O., Ngo T., Nocentini R., Nuhrenberg C., Nuhrenberg J., Obermayer S., Offermanns G., Ogawa K., Ongena J., Oosterbeek J.W., Orozco G., Otte M., Rodriguez L.P., Pan W., Panadero N., Alvarez N.P., Panin A., Papenfuss D., Paqay S., Pavone A., Pawelec E., Pelka G., Peng X., Perseo V., Peterson B., Pieper A., Pilopp D., Pingel S., Pisano F., Plaum B., Plunk G., Povilaitis M., Preinhaelter J., Proll J., Puiatti M.-E., Sitjes A.P., Purps F., Rack M., Recsei S., Reiman A., Reiter D., Remppel F., Renard S., Riedl R., Riemann J., Rimkevicius S., Risse K., Rodatos A., Rohlinger H., Rome M., Rong P., Roscher H.-J., Roth B., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Ryosuke S., Sakamoto R., Samartsev A., Sanchez M., Sano F., Satake S., Satheeswaran G., Schacht J., Schauer F., Scherer T., Schlaich A., Schlisio G., Schluter K.-H., Schmitt J., Schmitz H., Schmuck S., Schneider M., Schneider W., Scholz M., Scholz P., Schrittwieser R., Schroder M., Schroder T., Schroeder R., Schumacher H., Schweer B., Shanahan B., Shikhovtsev I.V., Sibilia M., Sinha P., Siplia S., Skodzik J., Slaby C., Smith H., Spiess W., Spong D.A., Spring A., Stadler R., Standley B., Stephey L., Stoneking M., Stridde U., Sulek Z., Pedersen T.S., Suzuki Y., Svensson J., Szabo V., Szabolics T., Szokefalvi-Nagy Z., Tamura N., Terra A., Terry J., Thomas J., Thomsen H., Thumm M., von Thun C.P., Timmermann D., Titus P., Toi K., Travere J.M., Traverso P., Tretter J., Mora H.T., Tsuchiya H., Tsujimura T., Tulipan S., Turnyanskiy M., Unterberg B., Urban J., Urbonavicius E., Vakulchyk I., Valet S., van Milligen B., Vela L., Velasco J.-L., Vergote M., Vervier M., Vianello N., Viebke H., Vilbrandt R., Vorkorper A., Wadle S., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Weggen J., Wegner T., Wei Y., Wendorf J., Wenzel U., Wiegel B., Wilde F., Winkler E., Winters V., Wolf R., Wolf S., Wolowski J., Wright A., Wurden G., Xanthopoulos P., Yamada H., Yamada I., Yasuhara R., Yokoyama M., Zajac J., Zarnstorff M., Zeitler A., Zhang H., Zhu J., Zilker M., Zimbal A., Zocco A., Zoletnik S., Zuin M., W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society, Science and Technology of Nuclear Fusion, and Turbulence in Fusion Plasmas

Subjects
Physics, Tokamak, Field (physics), General Physics and Astronomy, Plasma, 7. Clean energy, 01 natural sciences, 010305 fluids & plasmas, Bootstrap current, Computational physics, Magnetic field, law.invention, Magnetic mirror, Wendelstein 7-X stellarator, Physics and Astronomy (all), law, Physics::Plasma Physics, 0103 physical sciences, Wendelstein 7-X plasmas, Wendelstein 7-X, 010306 general physics, Stellarator
Abstract

The two leading concepts for confining high-temperature fusion plasmas are the tokamak and the stellarator. Tokamaks are rotationally symmetric and use a large plasma current to achieve confinement, whereas stellarators are non-axisymmetric and employ three-dimensionally shaped magnetic field coils to twist the field and confine the plasma. As a result, the magnetic field of a stellarator needs to be carefully designed to minimize the collisional transport arising from poorly confined particle orbits, which would otherwise cause excessive power losses at high plasma temperatures. In addition, this type of transport leads to the appearance of a net toroidal plasma current, the so-called bootstrap current. Here, we analyse results from the first experimental campaign of the Wendelstein 7-X stellarator, showing that its magnetic-field design allows good control of bootstrap currents and collisional transport. The energy confinement time is among the best ever achieved in stellarators, both in absolute figures (τE > 100 ms) and relative to the stellarator confinement scaling. The bootstrap current responds as predicted to changes in the magnetic mirror ratio. These initial experiments confirm several theoretically predicted properties of Wendelstein 7-X plasmas, and already indicate consistency with optimization measures. Results from the first experimental campaign of the Wendelstein 7-X stellarator demonstrate that its magnetic-field design grants good control of parasitic plasma currents, leading to long energy confinement times.

Published
2018
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8. ECE measurements in WENDELSTEIN 7-X plasmas

Author

Hirsch, M., Geiger, J., Hartfuss, H. -J, Höfel, U., Köster, F., Maaßberg, H., Marushchenko, N. B., Stefan Schmuck, Stange, T., Svensson, J., Tsuchiya, H., Weir, G. M., Wolf, R. C., and W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society

Published
2016

9. Confirmation of the topology of the Wendelstein 7-X magnetic field to better than 1:100,000

Author

Pedersen T. S., Otte M., Lazerson S., Helander P., Bozhenkov S., Biedermann C., Klinger T., Wolf R. C., Bosch H. -S., Abramovic I., Akaslompolo S., Aleynikov P., Aleynikova K., Ali A., Alonso A., Anda G., Andreeva T., Ascasibar E., Baldzuhn J., Banduch M., Barbui T., Beidler C., Benndorf A., Beurskens M., Biel W., Birus D., Blackwell B., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Bottger L. -G., Brakel R., Brandt C., Brauer T., Braune H., Burhenn R., Buttenschon B., Bykov V., Calvo I., Cappa A., Carls A., De Carvalho B. B., Castejon F., Cianciosa M., Cole M., Costea S., Cseh G., Czarnecka A., Dal Molin A., De La Cal E., De La Pena A., Degenkolbe S., Dhard C. P., Dinklage A., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Durodie F., Dzikowicka A., Von Eeten P., Effenberg F., Endler M., Erckmann V., Estrada T., Fahrenkamp N., Fellinger J., Feng Y., Figacz W., Ford O., Fornal T., Frerichs H., Fuchert G., Garcia-Munoz M., Geiger B., Geiger J., Gierse N., Gogoleva A., Goncalves B., Gradic D., Grahl M., Gross S., Grote H., Grulke O., Guerard C., Haas M., Harris J., Hartfuss H. -J., Hartmann D., Hathiramani D., Hein B., Heirnich S., Henneberg S., Hennig C., Hernandez J., Hidalgo C., Hidalgo U., Hirsch M., Hofel U., Holbe H., Holting A., Houry M., Huber V., Ionita C., Israeli B., Jablonski S., Jakubowski M., Van Vuuren A. J., Jenzsch H., Kaczmarczyk J., Kallmeyer J. -P., Kamionka U., Kasahara H., Kenmochi N., Kernbichler W., Killer C., Kinna D., Kleiber R., Knauer J., Kochl F., Kocsis G., Kolesnichenko Y., Konies A., Konig R., Kornejew P., Koster F., Kramer-Flecken A., Krampitz R., Krawzyk N., Kremeyer T., Krychowiak M., Ksiazek I., Kubkowska M., Kuhner G., Kurki-Suonio T., Kurz P., Kuttler K., Kwak S., Landreman M., Langenberg A., Lapayese F., Laqua H., Laqua H. -P., Laube R., Laux M., Lentz H., Lewerentz M., Liang Y., Liu S., Lobsien J. -F., Cisquella J. L., Lopez-Bruna D., Lore J., Lorenz A., Lui S., Lutsenko V., Maassberg H., Maisano-Brown J., Marchuk O., Marrelli L., Marsen S., Marushchenko N., Masuzaki S., McCarthy K., McNeely P., Medina F., Milojevic D., Mishchenko A., Missal B., Mittelstaedt J., Mollen A., Moncada V., Monnich T., Moseev D., Nagel M., Naujoks D., Neilson G. H., Neubauer O., Neuner U., Ngo T. -T., Niemann H., Nuhrenberg C., Nuhrenberg J., Ochando M., Ogawa K., Ongena J., Oosterbeek H., Pablant N., Pacella D., Pacios L., Panadero N., Pasch E., Pastor I., Pavone A., Pawelec E., Pedrosa A., Perseo V., Peterson B., Pilopp D., Pisano F., Piulatti M. E., Plunk G., Preynas M., Proll J., Sitjes A. P., Purps F., Rack M., Rahbarnia K., Riemann J., Risse K., Rong P., Rosenberger J., Rudischhauser L., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Saitoh H., Satake S., Schacht J., Schmitz O., Schmuck S., Schneider B., Schneider M., Schneider W., Schrittwieser R., Schroder M., Schroder T., Schroder R., Schumacher H. W., Schweer B., Seki R., Sinha P., Sipilae S., Slaby C., Smith H., Sousa J., Spring A., Standley B., Stange T., Von Stechow A., Stephey L., Stoneking M., Stridde U., Suzuki Y., Svensson J., Szabolics T., Szepesi T., Thomsen H., Travere J. -M., Traverso P., Mora H. T., Tsuchiya H., Tsuijmura T., Turkin Y., Valet S., Van Milligen B., Vela L., Velasco J. -L., Vergote M., Vervier M., Viebke H., Vilbrandt R., Von Thun C. P., Wagner F., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Wegner T., Weir G., Wendorf J., Wenzel U., Werner A., Wie Y., Wiegel B., Wilde F., Windisch T., Winkler M., Winters V., Wright A., Wurden G., Xanthopoulos P., Yamada I., Yasuhara R., Yokoyama M., Zhang D., Zilker M., Zimbal A., Zocco A., Zoletnik S., W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society, Massachusetts Institute of Technology. Department of Physics, Maisano-Brown, Jeannette D., Science and Technology of Nuclear Fusion, Pedersen, T, Otte, M, Lazerson, S, Helander, P, Bozhenkov, S, Biedermann, C, Klinger, T, Wolf, R, Bosch, H, Abramovic, I, Akaslompolo, S, Aleynikov, P, Aleynikova, K, Ali, A, Alonso, A, Anda, G, Andreeva, T, Ascasibar, E, Baldzuhn, J, Banduch, M, Barbui, T, Beidler, C, Benndorf, A, Beurskens, M, Biel, W, Birus, D, Blackwell, B, Blanco, E, Blatzheim, M, Bluhm, T, Bockenhoff, D, Bolgert, P, Borchardt, M, Bottger, L, Brakel, R, Brandt, C, Brauer, T, Braune, H, Burhenn, R, Buttenschon, B, Bykov, V, Calvo, I, Cappa, A, Carls, A, De Carvalho, B, Castejon, F, Cianciosa, M, Cole, M, Costea, S, Cseh, G, Czarnecka, A, Dal Molin, A, De La Cal, E, De La Pena, A, Degenkolbe, S, Dhard, C, Dinklage, A, Dostal, M, Drevlak, M, Drewelow, P, Drews, P, Dudek, A, Durodie, F, Dzikowicka, A, Von Eeten, P, Effenberg, F, Endler, M, Erckmann, V, Estrada, T, Fahrenkamp, N, Fellinger, J, Feng, Y, Figacz, W, Ford, O, Fornal, T, Frerichs, H, Fuchert, G, Garcia-Munoz, M, Geiger, B, Geiger, J, Gierse, N, Gogoleva, A, Goncalves, B, Gradic, D, Grahl, M, Gross, S, Grote, H, Grulke, O, Guerard, C, Haas, M, Harris, J, Hartfuss, H, Hartmann, D, Hathiramani, D, Hein, B, Heirnich, S, Henneberg, S, Hennig, C, Hernandez, J, Hidalgo, C, Hidalgo, U, Hirsch, M, Hofel, U, Holbe, H, Holting, A, Houry, M, Huber, V, Ionita, C, Israeli, B, Jablonski, S, Jakubowski, M, Van Vuuren, A, Jenzsch, H, Kaczmarczyk, J, Kallmeyer, J, Kamionka, U, Kasahara, H, Kenmochi, N, Kernbichler, W, Killer, C, Kinna, D, Kleiber, R, Knauer, J, Kochl, F, Kocsis, G, Kolesnichenko, Y, Konies, A, Konig, R, Kornejew, P, Koster, F, Kramer-Flecken, A, Krampitz, R, Krawzyk, N, Kremeyer, T, Krychowiak, M, Ksiazek, I, Kubkowska, M, Kuhner, G, Kurki-Suonio, T, Kurz, P, Kuttler, K, Kwak, S, Landreman, M, Langenberg, A, Lapayese, F, Laqua, H, Laube, R, Laux, M, Lentz, H, Lewerentz, M, Liang, Y, Liu, S, Lobsien, J, Cisquella, J, Lopez-Bruna, D, Lore, J, Lorenz, A, Lui, S, Lutsenko, V, Maassberg, H, Maisano-Brown, J, Marchuk, O, Marrelli, L, Marsen, S, Marushchenko, N, Masuzaki, S, Mccarthy, K, Mcneely, P, Medina, F, Milojevic, D, Mishchenko, A, Missal, B, Mittelstaedt, J, Mollen, A, Moncada, V, Monnich, T, Moseev, D, Nagel, M, Naujoks, D, Neilson, G, Neubauer, O, Neuner, U, Ngo, T, Niemann, H, Nuhrenberg, C, Nuhrenberg, J, Ochando, M, Ogawa, K, Ongena, J, Oosterbeek, H, Pablant, N, Pacella, D, Pacios, L, Panadero, N, Pasch, E, Pastor, I, Pavone, A, Pawelec, E, Pedrosa, A, Perseo, V, Peterson, B, Pilopp, D, Pisano, F, Piulatti, M, Plunk, G, Preynas, M, Proll, J, Sitjes, A, Purps, F, Rack, M, Rahbarnia, K, Riemann, J, Risse, K, Rong, P, Rosenberger, J, Rudischhauser, L, Rummel, K, Rummel, T, Runov, A, Rust, N, Ryc, L, Saitoh, H, Satake, S, Schacht, J, Schmitz, O, Schmuck, S, Schneider, B, Schneider, M, Schneider, W, Schrittwieser, R, Schroder, M, Schroder, T, Schroder, R, Schumacher, H, Schweer, B, Seki, R, Sinha, P, Sipilae, S, Slaby, C, Smith, H, Sousa, J, Spring, A, Standley, B, Stange, T, Von Stechow, A, Stephey, L, Stoneking, M, Stridde, U, Suzuki, Y, Svensson, J, Szabolics, T, Szepesi, T, Thomsen, H, Travere, J, Traverso, P, Mora, H, Tsuchiya, H, Tsuijmura, T, Turkin, Y, Valet, S, Van Milligen, B, Vela, L, Velasco, J, Vergote, M, Vervier, M, Viebke, H, Vilbrandt, R, Von Thun, C, Wagner, F, Wang, E, Wang, N, Warmer, F, Wauters, T, Wegener, L, Wegner, T, Weir, G, Wendorf, J, Wenzel, U, Werner, A, Wie, Y, Wiegel, B, Wilde, F, Windisch, T, Winkler, M, Winters, V, Wright, A, Wurden, G, Xanthopoulos, P, Yamada, I, Yasuhara, R, Yokoyama, M, Zhang, D, Zilker, M, Zimbal, A, Zocco, A, Zoletnik, S, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Department of Applied Physics, Aalto-yliopisto, Aalto University, and Pacella, D.

Subjects
Tokamak, Plasma parameters, Science, General Physics and Astronomy, Topology (electrical circuits), Topology, 7. Clean energy, 01 natural sciences, Article, General Biochemistry, Genetics and Molecular Biology, 010305 fluids & plasmas, law.invention, law, 0103 physical sciences, 010306 general physics, Physics, Fusion, Wendelstein7-X, Stellarator, Multidisciplinary, ta114, General Chemistry, Plasma, Fusion power, Magnetic field, Erratum, Wendelstein 7-X, Stellarator
Abstract

Fusion energy research has in the past 40 years focused primarily on the tokamak concept, but recent advances in plasma theory and computational power have led to renewed interest in stellarators. The largest and most sophisticated stellarator in the world, Wendelstein 7-X (W7-X), has just started operation, with the aim to show that the earlier weaknesses of this concept have been addressed successfully, and that the intrinsic advantages of the concept persist, also at plasma parameters approaching those of a future fusion power plant. Here we show the first physics results, obtained before plasma operation: that the carefully tailored topology of nested magnetic surfaces needed for good confinement is realized, and that the measured deviations are smaller than one part in 100,000. This is a significant step forward in stellarator research, since it shows that the complicated and delicate magnetic topology can be created and verified with the required accuracy., Early stellarator designs suffered from high particle losses, an issue that can be addressed by optimization of the coils. Here the authors measure the magnetic field lines in the Wendelstein 7-X stellarator, confirming that the complicated design of the superconducting coils has been realized successfully.

Published
2016

10. Major results from the first plasma campaign of the Wendelstein 7-X stellarator

Author

Wolf, R.C., primary, Ali, A., additional, Alonso, A., additional, Baldzuhn, J., additional, Beidler, C., additional, Beurskens, M., additional, Biedermann, C., additional, Bosch, H.-S., additional, Bozhenkov, S., additional, Brakel, R., additional, Dinklage, A., additional, Feng, Y., additional, Fuchert, G., additional, Geiger, J., additional, Grulke, O., additional, Helander, P., additional, Hirsch, M., additional, Höfel, U., additional, Jakubowski, M., additional, Knauer, J., additional, Kocsis, G., additional, König, R., additional, Kornejew, P., additional, Krämer-Flecken, A., additional, Krychowiak, M., additional, Landreman, M., additional, Langenberg, A., additional, Laqua, H.P., additional, Lazerson, S., additional, Maaßberg, H., additional, Marsen, S., additional, Marushchenko, M., additional, Moseev, D., additional, Niemann, H., additional, Pablant, N., additional, Pasch, E., additional, Rahbarnia, K., additional, Schlisio, G., additional, Stange, T., additional, Sunn Pedersen, T., additional, Svensson, J., additional, Szepesi, T., additional, Trimino Mora, H., additional, Turkin, Y., additional, Wauters, T., additional, Weir, G., additional, Wenzel, U., additional, Windisch, T., additional, Wurden, G., additional, Zhang, D., additional, Abramovic, I., additional, Äkäslompolo, S., additional, Aleynikov, P., additional, Aleynikova, K., additional, Alzbutas, R., additional, Anda, G., additional, Andreeva, T., additional, Ascasibar, E., additional, Assmann, J., additional, Baek, S.-G., additional, Banduch, M., additional, Barbui, T., additional, Barlak, M., additional, Baumann, K., additional, Behr, W., additional, Benndorf, A., additional, Bertuch, O., additional, Biel, W., additional, Birus, D., additional, Blackwell, B., additional, Blanco, E., additional, Blatzheim, M., additional, Bluhm, T., additional, Böckenhoff, D., additional, Bolgert, P., additional, Borchardt, M., additional, Borsuk, V., additional, Boscary, J., additional, Böttger, L.-G., additional, Brand, H., additional, Brandt, Ch., additional, Bräuer, T., additional, Braune, H., additional, Brezinsek, S., additional, Brunner, K.-J., additional, Brünner, B., additional, Burhenn, R., additional, Buttenschön, B., additional, Bykov, V., additional, Calvo, I., additional, Cannas, B., additional, Cappa, A., additional, Carls, A., additional, Carraro, L., additional, Carvalho, B., additional, Castejon, F., additional, Charl, A., additional, Chernyshev, F., additional, Cianciosa, M., additional, Citarella, R., additional, Ciupiński, Ł., additional, Claps, G., additional, Cole, M., additional, Cole, M.J., additional, Cordella, F., additional, Cseh, G., additional, Czarnecka, A., additional, Czermak, A., additional, Czerski, K., additional, Czerwinski, M., additional, Czymek, G., additional, da Molin, A., additional, da Silva, A., additional, Dammertz, G., additional, Danielson, J., additional, de la Pena, A., additional, Degenkolbe, S., additional, Denner, P., additional, Dhard, D.P., additional, Dostal, M., additional, Drevlak, M., additional, Drewelow, P., additional, Drews, Ph., additional, Dudek, A., additional, Dundulis, G., additional, Durodie, F., additional, van Eeten, P., additional, Effenberg, F., additional, Ehrke, G., additional, Endler, M., additional, Ennis, D., additional, Erckmann, E., additional, Esteban, H., additional, Estrada, T., additional, Fahrenkamp, N., additional, Feist, J.-H., additional, Fellinger, J., additional, Fernandes, H., additional, Fietz, W.H., additional, Figacz, W., additional, Fontdecaba, J., additional, Ford, O., additional, Fornal, T., additional, Frerichs, H., additional, Freund, A., additional, Führer, M., additional, Funaba, T., additional, Galkowski, A., additional, Gantenbein, G., additional, Gao, Y., additional, García Regaña, J., additional, Garcia-Munoz, M., additional, Gates, D., additional, Gawlik, G., additional, Geiger, B., additional, Giannella, V., additional, Gierse, N., additional, Gogoleva, A., 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2017
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11. Major results from the first plasma campaign of the Wendelstein 7-X stellarator

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Wolf, R.C., Ali, A., Alonso, A., Baldzuhn, J., Beidler, C., Beurskens, M., Biedermann, C., Bosch, H.-S., Bozhenkov, S., Brakel, R., Dinklage, A., Feng, Y., Fuchert, G., Geiger, J., Grulke, O., Helander, P., Hirsch, M., Höfel, U., Jakubowski, M., Knauer, J., Kocsis, G., König, R., Kornejew, P., Krämer-Flecken, A., Krychowiak, M., Landreman, M., Langenberg, A., Laqua, H.P., Lazerson, S., Maaßberg, H., Marsen, S., Marushchenko, M., Moseev, D., Niemann, H., Pablant, N., Pasch, E., Rahbarnia, K., Schlisio, G., Stange, T., Sunn Pedersen, T., Svensson, J., Szepesi, T., Trimino Mora, H., Turkin, Y., Wauters, T., Weir, G., Wenzel, U., Windisch, T., Wurden, G., Zhang, D., Abramovic, I., Äkäslompolo, S., Aleynikov, P., Aleynikova, K., Alzbutas, R., Anda, G., Andreeva, T., Ascasibar, E., Assmann, J., Baek, S.-G., Banduch, M., Barbui, T., Barlak, M., Baumann, K., Behr, W., Benndorf, A., Bertuch, O., Biel, W., Birus, D., Blackwell, B., Blanco, E., Blatzheim, M., Bluhm, T., Böckenhoff, D., Bolgert, P., Borchardt, M., Borsuk, V., Boscary, J., Böttger, L.-G., Brand, H., Brandt, Ch., Bräuer, T., Braune, H., Brezinsek, S., Brunner, K.-J., Brünner, B., Burhenn, R., Buttenschön, B., Bykov, V., Calvo, I., Cannas, B., Cappa, A., Carls, A., Carraro, L., Carvalho, B., Castejon, F., Charl, A., Chernyshev, F., Cianciosa, M., Citarella, R., Ciupiński, Ł., Claps, G., Cole, M., Cole, M.J., Cordella, F., Cseh, G., Czarnecka, A., Czermak, A., Czerski, K., Czerwinski, M., Czymek, G., da Molin, A., da Silva, A., Dammertz, G., Danielson, J., de la Pena, A., Degenkolbe, S., Denner, P., Dhard, D.P., Dostal, M., Drevlak, M., Drewelow, P., Drews, Ph., Dudek, A., Dundulis, G., Durodie, F., van Eeten, P., Effenberg, F., Ehrke, G., Endler, M., Ennis, D., Erckmann, E., Esteban, H., Estrada, T., Fahrenkamp, N., Feist, J.-H., Fellinger, J., Fernandes, H., Fietz, W.H., Figacz, W., Fontdecaba, J., Ford, O., Fornal, T., Frerichs, H., Freund, A., Führer, M., Funaba, T., Galkowski, A., Gantenbein, G., Gao, Y., García Regaña, J., Garcia-Munoz, M., Gates, D., Gawlik, G., Geiger, B., Giannella, V., Gierse, N., Gogoleva, A., Goncalves, B., Goriaev, A., Gradic, D., Grahl, M., Green, J., Grosman, A., Grote, H., Gruca, M., Guerard, C., Haiduk, L., Han, X., Harberts, F., Harris, J.H., Hartfuß, H.-J., Hartmann, D., Hathiramani, D., Hein, B., Heinemann, B., Heitzenroeder, P., Henneberg, S., Hennig, C., Hernandez Sanchez, J., Hidalgo, C., Hölbe, H., Hollfeld, K.P., Hölting, A., Höschen, D., Houry, M., Howard, J., Huang, X., Huber, M., Huber, V., Hunger, H., Ida, K., Ilkei, T., Illy, S., Israeli, B., Ivanov, A., Jablonski, S., Jagielski, J., Jelonnek, J., Jenzsch, H., Junghans, P., Kacmarczyk, J., Kaliatka, T., Kallmeyer, J.-P., Kamionka, U., Karalevicius, R., Kasahara, H., Kasparek, W., Kenmochi, N., Keunecke, M., Khilchenko, A., Kinna, D., Kleiber, R., Klinger, T., Knaup, M., Kobarg, Th., Köchl, F., Kolesnichenko, Y., Könies, A., Köppen, M., Koshurinov, J., Koslowski, R., Köster, F., Koziol, R., Krämer, M., Krampitz, R., Kraszewsk, P., Krawczyk, N., Kremeyer, T., Krings, Th., Krom, J., Krzesinski, G., Ksiazek, I., Kubkowska, M., Kühner, G., Kurki-Suonio, T., Kwak, S., Lang, R., Langish, S., Laqua, H., Laube, R., Lechte, C., Lennartz, M., Leonhardt, W., Lewerentz, L., Liang, Y., Linsmeier, Ch., Liu, S., Lobsien, J.-F., Loesser, D., Loizu Cisquella, J., Lore, J., Lorenz, A., Losert, M., Lubyako, L., Lücke, A., Lumsdaine, A., Lutsenko, V., Majano-Brown, J., Marchuk, O., Mardenfeld, M., Marek, P., Massidda, S., Masuzaki, S., Maurer, D., McCarthy, K., McNeely, P., Meier, A., Mellein, D., Mendelevitch, B., Mertens, Ph., Mikkelsen, D., Mishchenko, O., Missal, B., Mittelstaedt, J., Mizuuchi, T., Mollen, A., Moncada, V., Mönnich, T., Morizaki, T., Munk, R., Murakami, S., Musielok, F., Náfrádi, G., Nagel, M., Naujoks, D., Neilson, H., Neubauer, O., Neuner, U., Ngo, T., Nocentini, R., Nührenberg, C., Nührenberg, J., Obermayer, S., Offermanns, G., Ogawa, K., Ongena, J., Oosterbeek, J.W., Orozco, G., Otte, M., Pacios Rodriguez, L., Pan, W., Panadero, N., Panadero Alvarez, N., Panin, A., Papenfuß, D., Paqay, S., Pavone, A., Pawelec, E., Pelka, G., Peng, X., Perseo, V., Peterson, B., Pieper, A., Pilopp, D., Pingel, S., Pisano, F., Plaum, B., Plunk, G., Povilaitis, M., Preinhaelter, J., Proll, J., Puiatti, M.-E., Puig Sitjes, A., Purps, F., Rack, M., Récsei, S., Reiman, A., Reiter, D., Remppel, F., Renard, S., Riedl, R., Riemann, J., Rimkevicius, S., Riße, K., Rodatos, A., Röhlinger, H., Romé, M., Rong, P., Roscher, H.-J., Roth, B., Rudischhauser, L., Rummel, K., Rummel, T., Runov, A., Rust, N., Ryc, L., Ryosuke, S., Sakamoto, R., Samartsev, A., Sanchez, M., Sano, F., Satake, S., Satheeswaran, G., Schacht, J., Schauer, F., Scherer, T., Schlaich, A., Schlüter, K.-H., Schmitt, J., Schmitz, H., Schmitz, O., Schmuck, S., Schneider, M., Schneider, W., Scholz, M., Scholz, P., Schrittwieser, R., Schröder, M., Schröder, T., Schroeder, R., Schumacher, H., Schweer, B., Shanahan, B., Shikhovtsev, I.V., Sibilia, M., Sinha, P., Sipliä, S., Skodzik, J., Slaby, C., Smith, H., Spiess, W., Spong, D.A., Spring, A., Stadler, R., Standley, B., Stephey, L., Stoneking, M., Stridde, U., Sulek, Z., Surko, C., Suzuki, Y., Szabó, V., Szabolics, T., Szökefalvi-Nagy, Z., Tamura, N., Terra, A., Terry, J., Thomas, J., Thomsen, H., Thumm, M., von Thun, C.P., Timmermann, D., Titus, P., Toi, K., Travere, J.M., Traverso, P., Tretter, J., Tsuchiya, H., Tsujimura, T., Tulipán, S., Turnyanskiy, M., Unterberg, B., Urban, J., Urbonavicius, E., Vakulchyk, I., Valet, S., van Millingen, B., Vela, L., Velasco, J.-L., Vergote, M., Vervier, M., Vianello, N., Viebke, H., Vilbrandt, R., Vorkörper, A., Wadle, S., Wagner, F., Wang, E., Wang, N., Warmer, F., Wegener, L., Weggen, J., Wei, Y., Wendorf, J., Werner, A., Wiegel, B., Wilde, F., Winkler, E., Winters, V., Wolf, S., Wolowski, J., Wright, A., Xanthopoulos, P., Yamada, H., Yamada, I., Yasuhara, R., Yokoyama, M., Zajac, J., Zarnstorff, M., Zeitler, A., Zhang, H., Zhu, J., Zilker, M., Zimbal, A., Zocco, A., Zoletnik, S., Zuin, M., Wolf, R.C., Ali, A., Alonso, A., Baldzuhn, J., Beidler, C., Beurskens, M., Biedermann, C., Bosch, H.-S., Bozhenkov, S., Brakel, R., Dinklage, A., Feng, Y., Fuchert, G., Geiger, J., Grulke, O., Helander, P., Hirsch, M., Höfel, U., Jakubowski, M., Knauer, J., Kocsis, G., König, R., Kornejew, P., Krämer-Flecken, A., Krychowiak, M., Landreman, M., Langenberg, A., Laqua, H.P., Lazerson, S., Maaßberg, H., Marsen, S., Marushchenko, M., Moseev, D., Niemann, H., Pablant, N., Pasch, E., Rahbarnia, K., Schlisio, G., Stange, T., Sunn Pedersen, T., Svensson, J., Szepesi, T., Trimino Mora, H., Turkin, Y., Wauters, T., Weir, G., Wenzel, U., Windisch, T., Wurden, G., Zhang, D., Abramovic, I., Äkäslompolo, S., Aleynikov, P., Aleynikova, K., Alzbutas, R., Anda, G., Andreeva, T., Ascasibar, E., Assmann, J., Baek, S.-G., Banduch, M., Barbui, T., Barlak, M., Baumann, K., Behr, W., Benndorf, A., Bertuch, O., Biel, W., Birus, D., Blackwell, B., Blanco, E., Blatzheim, M., Bluhm, T., Böckenhoff, D., Bolgert, P., Borchardt, M., Borsuk, V., Boscary, J., Böttger, L.-G., Brand, H., Brandt, Ch., Bräuer, T., Braune, H., Brezinsek, S., Brunner, K.-J., Brünner, B., Burhenn, R., Buttenschön, B., Bykov, V., Calvo, I., Cannas, B., Cappa, A., Carls, A., Carraro, L., Carvalho, B., Castejon, F., Charl, A., Chernyshev, F., Cianciosa, M., Citarella, R., Ciupiński, Ł., Claps, G., Cole, M., Cole, M.J., Cordella, F., Cseh, G., Czarnecka, A., Czermak, A., Czerski, K., Czerwinski, M., Czymek, G., da Molin, A., da Silva, A., Dammertz, G., Danielson, J., de la Pena, A., Degenkolbe, S., Denner, P., Dhard, D.P., Dostal, M., Drevlak, M., Drewelow, P., Drews, Ph., Dudek, A., Dundulis, G., Durodie, F., van Eeten, P., Effenberg, F., Ehrke, G., Endler, M., Ennis, D., Erckmann, E., Esteban, H., Estrada, T., Fahrenkamp, N., Feist, J.-H., Fellinger, J., Fernandes, H., Fietz, W.H., Figacz, W., Fontdecaba, J., Ford, O., Fornal, T., Frerichs, H., Freund, A., Führer, M., Funaba, T., Galkowski, A., Gantenbein, G., Gao, Y., García Regaña, J., Garcia-Munoz, M., Gates, D., Gawlik, G., Geiger, B., Giannella, V., Gierse, N., Gogoleva, A., Goncalves, B., Goriaev, A., Gradic, D., Grahl, M., Green, J., Grosman, A., Grote, H., Gruca, M., Guerard, C., Haiduk, L., Han, X., Harberts, F., Harris, J.H., Hartfuß, H.-J., Hartmann, D., Hathiramani, D., Hein, B., Heinemann, B., Heitzenroeder, P., Henneberg, S., Hennig, C., Hernandez Sanchez, J., Hidalgo, C., Hölbe, H., Hollfeld, K.P., Hölting, A., Höschen, D., Houry, M., Howard, J., Huang, X., Huber, M., Huber, V., Hunger, H., Ida, K., Ilkei, T., Illy, S., Israeli, B., Ivanov, A., Jablonski, S., Jagielski, J., Jelonnek, J., Jenzsch, H., Junghans, P., Kacmarczyk, J., Kaliatka, T., Kallmeyer, J.-P., Kamionka, U., Karalevicius, R., Kasahara, H., Kasparek, W., Kenmochi, N., Keunecke, M., Khilchenko, A., Kinna, D., Kleiber, R., Klinger, T., Knaup, M., Kobarg, Th., Köchl, F., Kolesnichenko, Y., Könies, A., Köppen, M., Koshurinov, J., Koslowski, R., Köster, F., Koziol, R., Krämer, M., Krampitz, R., Kraszewsk, P., Krawczyk, N., Kremeyer, T., Krings, Th., Krom, J., Krzesinski, G., Ksiazek, I., Kubkowska, M., Kühner, G., Kurki-Suonio, T., Kwak, S., Lang, R., Langish, S., Laqua, H., Laube, R., Lechte, C., Lennartz, M., Leonhardt, W., Lewerentz, L., Liang, Y., Linsmeier, Ch., Liu, S., Lobsien, J.-F., Loesser, D., Loizu Cisquella, J., Lore, J., Lorenz, A., Losert, M., Lubyako, L., Lücke, A., Lumsdaine, A., Lutsenko, V., Majano-Brown, J., Marchuk, O., Mardenfeld, M., Marek, P., Massidda, S., Masuzaki, S., Maurer, D., McCarthy, K., McNeely, P., Meier, A., Mellein, D., Mendelevitch, B., Mertens, Ph., Mikkelsen, D., Mishchenko, O., Missal, B., Mittelstaedt, J., Mizuuchi, T., Mollen, A., Moncada, V., Mönnich, T., Morizaki, T., Munk, R., Murakami, S., Musielok, F., Náfrádi, G., Nagel, M., Naujoks, D., Neilson, H., Neubauer, O., Neuner, U., Ngo, T., Nocentini, R., Nührenberg, C., Nührenberg, J., Obermayer, S., Offermanns, G., Ogawa, K., Ongena, J., Oosterbeek, J.W., Orozco, G., Otte, M., Pacios Rodriguez, L., Pan, W., Panadero, N., Panadero Alvarez, N., Panin, A., Papenfuß, D., Paqay, S., Pavone, A., Pawelec, E., Pelka, G., Peng, X., Perseo, V., Peterson, B., Pieper, A., Pilopp, D., Pingel, S., Pisano, F., Plaum, B., Plunk, G., Povilaitis, M., Preinhaelter, J., Proll, J., Puiatti, M.-E., Puig Sitjes, A., Purps, F., Rack, M., Récsei, S., Reiman, A., Reiter, D., Remppel, F., Renard, S., Riedl, R., Riemann, J., Rimkevicius, S., Riße, K., Rodatos, A., Röhlinger, H., Romé, M., Rong, P., Roscher, H.-J., Roth, B., Rudischhauser, L., Rummel, K., Rummel, T., Runov, A., Rust, N., Ryc, L., Ryosuke, S., Sakamoto, R., Samartsev, A., Sanchez, M., Sano, F., Satake, S., Satheeswaran, G., Schacht, J., Schauer, F., Scherer, T., Schlaich, A., Schlüter, K.-H., Schmitt, J., Schmitz, H., Schmitz, O., Schmuck, S., Schneider, M., Schneider, W., Scholz, M., Scholz, P., Schrittwieser, R., Schröder, M., Schröder, T., Schroeder, R., Schumacher, H., Schweer, B., Shanahan, B., Shikhovtsev, I.V., Sibilia, M., Sinha, P., Sipliä, S., Skodzik, J., Slaby, C., Smith, H., Spiess, W., Spong, D.A., Spring, A., Stadler, R., Standley, B., Stephey, L., Stoneking, M., Stridde, U., Sulek, Z., Surko, C., Suzuki, Y., Szabó, V., Szabolics, T., Szökefalvi-Nagy, Z., Tamura, N., Terra, A., Terry, J., Thomas, J., Thomsen, H., Thumm, M., von Thun, C.P., Timmermann, D., Titus, P., Toi, K., Travere, J.M., Traverso, P., Tretter, J., Tsuchiya, H., Tsujimura, T., Tulipán, S., Turnyanskiy, M., Unterberg, B., Urban, J., Urbonavicius, E., Vakulchyk, I., Valet, S., van Millingen, B., Vela, L., Velasco, J.-L., Vergote, M., Vervier, M., Vianello, N., Viebke, H., Vilbrandt, R., Vorkörper, A., Wadle, S., Wagner, F., Wang, E., Wang, N., Warmer, F., Wegener, L., Weggen, J., Wei, Y., Wendorf, J., Werner, A., Wiegel, B., Wilde, F., Winkler, E., Winters, V., Wolf, S., Wolowski, J., Wright, A., Xanthopoulos, P., Yamada, H., Yamada, I., Yasuhara, R., Yokoyama, M., Zajac, J., Zarnstorff, M., Zeitler, A., Zhang, H., Zhu, J., Zilker, M., Zimbal, A., Zocco, A., Zoletnik, S., and Zuin, M.

Abstract

After completing the main construction phase of Wendelstein 7-X (W7-X) and successfully commissioning the device, first plasma operation started at the end of 2015. Integral commissioning of plasma start-up and operation using electron cyclotron resonance heating (ECRH) and an extensive set of plasma diagnostics have been completed, allowing initial physics studies during the first operational campaign. Both in helium and hydrogen, plasma breakdown was easily achieved. Gaining experience with plasma vessel conditioning, discharge lengths could be extended gradually. Eventually, discharges lasted up to 6 s, reaching an injected energy of 4 MJ, which is twice the limit originally agreed for the limiter configuration employed during the first operational campaign. At power levels of 4 MW central electron densities reached 3 × 1019 m−3, central electron temperatures reached values of 7 keV and ion temperatures reached just above 2 keV. Important physics studies during this first operational phase include a first assessment of power balance and energy confinement, ECRH power deposition experiments, 2nd harmonic O-mode ECRH using multi-pass absorption, and current drive experiments using electron cyclotron current drive. As in many plasma discharges the electron temperature exceeds the ion temperature significantly, these plasmas are governed by core electron root confinement showing a strong positive electric field in the plasma centre.

Published
2017

12. Confirmation of the topology of the Wendelstein 7-X magnetic field to better than 1:100,000

Author

Pedersen, T, Otte, M, Lazerson, S, Helander, P, Bozhenkov, S, Biedermann, C, Klinger, T, Wolf, R, Bosch, H, Abramovic, I, Akaslompolo, S, Aleynikov, P, Aleynikova, K, Ali, A, Alonso, A, Anda, G, Andreeva, T, Ascasibar, E, Baldzuhn, J, Banduch, M, Barbui, T, Beidler, C, Benndorf, A, Beurskens, M, Biel, W, Birus, D, Blackwell, B, Blanco, E, Blatzheim, M, Bluhm, T, Bockenhoff, D, Bolgert, P, Borchardt, M, Bottger, L, Brakel, R, Brandt, C, Brauer, T, Braune, H, Burhenn, R, Buttenschon, B, Bykov, V, Calvo, I, Cappa, A, Carls, A, De Carvalho, B, Castejon, F, Cianciosa, M, Cole, M, Costea, S, Cseh, G, Czarnecka, A, Dal Molin, A, De La Cal, E, De La Pena, A, Degenkolbe, S, Dhard, C, Dinklage, A, Dostal, M, Drevlak, M, Drewelow, P, Drews, P, Dudek, A, Durodie, F, Dzikowicka, A, Von Eeten, P, Effenberg, F, Endler, M, Erckmann, V, Estrada, T, Fahrenkamp, N, Fellinger, J, Feng, Y, Figacz, W, Ford, O, Fornal, T, Frerichs, H, Fuchert, G, Garcia-Munoz, M, Geiger, B, Geiger, J, Gierse, N, Gogoleva, A, Goncalves, B, Gradic, D, Grahl, M, Gross, S, Grote, H, Grulke, O, Guerard, C, Haas, M, Harris, J, Hartfuss, H, Hartmann, D, Hathiramani, D, Hein, B, Heirnich, S, Henneberg, S, Hennig, C, Hernandez, J, Hidalgo, C, Hidalgo, U, Hirsch, M, Hofel, U, Holbe, H, Holting, A, Houry, M, Huber, V, Ionita, C, Israeli, B, Jablonski, S, Jakubowski, M, Van Vuuren, A, Jenzsch, H, Kaczmarczyk, J, Kallmeyer, J, Kamionka, U, Kasahara, H, Kenmochi, N, Kernbichler, W, Killer, C, Kinna, D, Kleiber, R, Knauer, J, Kochl, F, Kocsis, G, Kolesnichenko, Y, Konies, A, Konig, R, Kornejew, P, Koster, F, Kramer-Flecken, A, Krampitz, R, Krawzyk, N, Kremeyer, T, Krychowiak, M, Ksiazek, I, Kubkowska, M, Kuhner, G, Kurki-Suonio, T, Kurz, P, Kuttler, K, Kwak, S, Landreman, M, Langenberg, A, Lapayese, F, Laqua, H, Laube, R, Laux, M, Lentz, H, Lewerentz, M, Liang, Y, Liu, S, Lobsien, J, Cisquella, J, Lopez-Bruna, D, Lore, J, Lorenz, A, Lui, S, Lutsenko, V, Maassberg, H, Maisano-Brown, J, Marchuk, O, Marrelli, L, Marsen, S, Marushchenko, N, Masuzaki, S, Mccarthy, K, Mcneely, P, Medina, F, Milojevic, D, Mishchenko, A, Missal, B, Mittelstaedt, J, Mollen, A, Moncada, V, Monnich, T, Moseev, D, Nagel, M, Naujoks, D, Neilson, G, Neubauer, O, Neuner, U, Ngo, T, Niemann, H, Nuhrenberg, C, Nuhrenberg, J, Ochando, M, Ogawa, K, Ongena, J, Oosterbeek, H, Pablant, N, Pacella, D, Pacios, L, Panadero, N, Pasch, E, Pastor, I, Pavone, A, Pawelec, E, Pedrosa, A, Perseo, V, Peterson, B, Pilopp, D, Pisano, F, Piulatti, M, Plunk, G, Preynas, M, Proll, J, Sitjes, A, Purps, F, Rack, M, Rahbarnia, K, Riemann, J, Risse, K, Rong, P, Rosenberger, J, Rudischhauser, L, Rummel, K, Rummel, T, Runov, A, Rust, N, Ryc, L, Saitoh, H, Satake, S, Schacht, J, Schmitz, O, Schmuck, S, Schneider, B, Schneider, M, Schneider, W, Schrittwieser, R, Schroder, M, Schroder, T, Schroder, R, Schumacher, H, Schweer, B, Seki, R, Sinha, P, Sipilae, S, Slaby, C, Smith, H, Sousa, J, Spring, A, Standley, B, Stange, T, Von Stechow, A, Stephey, L, Stoneking, M, Stridde, U, Suzuki, Y, Svensson, J, Szabolics, T, Szepesi, T, Thomsen, H, Travere, J, Traverso, P, Mora, H, Tsuchiya, H, Tsuijmura, T, Turkin, Y, Valet, S, Van Milligen, B, Vela, L, Velasco, J, Vergote, M, Vervier, M, Viebke, H, Vilbrandt, R, Von Thun, C, Wagner, F, Wang, E, Wang, N, Warmer, F, Wauters, T, Wegener, L, Wegner, T, Weir, G, Wendorf, J, Wenzel, U, Werner, A, Wie, Y, Wiegel, B, Wilde, F, Windisch, T, Winkler, M, Winters, V, Wright, A, Wurden, G, Xanthopoulos, P, Yamada, I, Yasuhara, R, Yokoyama, M, Zhang, D, Zilker, M, Zimbal, A, Zocco, A, Zoletnik, S, Pedersen T. S., Otte M., Lazerson S., Helander P., Bozhenkov S., Biedermann C., Klinger T., Wolf R. C., Bosch H. -S., Abramovic I., Akaslompolo S., Aleynikov P., Aleynikova K., Ali A., Alonso A., Anda G., Andreeva T., Ascasibar E., Baldzuhn J., Banduch M., Barbui T., Beidler C., Benndorf A., Beurskens M., Biel W., Birus D., Blackwell B., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Bottger L. -G., Brakel R., Brandt C., Brauer T., Braune H., Burhenn R., Buttenschon B., Bykov V., Calvo I., Cappa A., Carls A., De Carvalho B. B., Castejon F., Cianciosa M., Cole M., Costea S., Cseh G., Czarnecka A., Dal Molin A., De La Cal E., De La Pena A., Degenkolbe S., Dhard C. P., Dinklage A., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Durodie F., Dzikowicka A., Von Eeten P., Effenberg F., Endler M., Erckmann V., Estrada T., Fahrenkamp N., Fellinger J., Feng Y., Figacz W., Ford O., Fornal T., Frerichs H., Fuchert G., Garcia-Munoz M., Geiger B., Geiger J., Gierse N., Gogoleva A., Goncalves B., Gradic D., Grahl M., Gross S., Grote H., Grulke O., Guerard C., Haas M., Harris J., Hartfuss H. -J., Hartmann D., Hathiramani D., Hein B., Heirnich S., Henneberg S., Hennig C., Hernandez J., Hidalgo C., Hidalgo U., Hirsch M., Hofel U., Holbe H., Holting A., Houry M., Huber V., Ionita C., Israeli B., Jablonski S., Jakubowski M., Van Vuuren A. J., Jenzsch H., Kaczmarczyk J., Kallmeyer J. -P., Kamionka U., Kasahara H., Kenmochi N., Kernbichler W., Killer C., Kinna D., Kleiber R., Knauer J., Kochl F., Kocsis G., Kolesnichenko Y., Konies A., Konig R., Kornejew P., Koster F., Kramer-Flecken A., Krampitz R., Krawzyk N., Kremeyer T., Krychowiak M., Ksiazek I., Kubkowska M., Kuhner G., Kurki-Suonio T., Kurz P., Kuttler K., Kwak S., Landreman M., Langenberg A., Lapayese F., Laqua H., Laqua H. -P., Laube R., Laux M., Lentz H., Lewerentz M., Liang Y., Liu S., Lobsien J. -F., Cisquella J. L., Lopez-Bruna D., Lore J., Lorenz A., Lui S., Lutsenko V., Maassberg H., Maisano-Brown J., Marchuk O., Marrelli L., Marsen S., Marushchenko N., Masuzaki S., McCarthy K., McNeely P., Medina F., Milojevic D., Mishchenko A., Missal B., Mittelstaedt J., Mollen A., Moncada V., Monnich T., Moseev D., Nagel M., Naujoks D., Neilson G. H., Neubauer O., Neuner U., Ngo T. -T., Niemann H., Nuhrenberg C., Nuhrenberg J., Ochando M., Ogawa K., Ongena J., Oosterbeek H., Pablant N., Pacella D., Pacios L., Panadero N., Pasch E., Pastor I., Pavone A., Pawelec E., Pedrosa A., Perseo V., Peterson B., Pilopp D., Pisano F., Piulatti M. E., Plunk G., Preynas M., Proll J., Sitjes A. P., Purps F., Rack M., Rahbarnia K., Riemann J., Risse K., Rong P., Rosenberger J., Rudischhauser L., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Saitoh H., Satake S., Schacht J., Schmitz O., Schmuck S., Schneider B., Schneider M., Schneider W., Schrittwieser R., Schroder M., Schroder T., Schroder R., Schumacher H. W., Schweer B., Seki R., Sinha P., Sipilae S., Slaby C., Smith H., Sousa J., Spring A., Standley B., Stange T., Von Stechow A., Stephey L., Stoneking M., Stridde U., Suzuki Y., Svensson J., Szabolics T., Szepesi T., Thomsen H., Travere J. -M., Traverso P., Mora H. T., Tsuchiya H., Tsuijmura T., Turkin Y., Valet S., Van Milligen B., Vela L., Velasco J. -L., Vergote M., Vervier M., Viebke H., Vilbrandt R., Von Thun C. P., Wagner F., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Wegner T., Weir G., Wendorf J., Wenzel U., Werner A., Wie Y., Wiegel B., Wilde F., Windisch T., Winkler M., Winters V., Wright A., Wurden G., Xanthopoulos P., Yamada I., Yasuhara R., Yokoyama M., Zhang D., Zilker M., Zimbal A., Zocco A., Zoletnik S., Pedersen, T, Otte, M, Lazerson, S, Helander, P, Bozhenkov, S, Biedermann, C, Klinger, T, Wolf, R, Bosch, H, Abramovic, I, Akaslompolo, S, Aleynikov, P, Aleynikova, K, Ali, A, Alonso, A, Anda, G, Andreeva, T, Ascasibar, E, Baldzuhn, J, Banduch, M, Barbui, T, Beidler, C, Benndorf, A, Beurskens, M, Biel, W, Birus, D, Blackwell, B, Blanco, E, Blatzheim, M, Bluhm, T, Bockenhoff, D, Bolgert, P, Borchardt, M, Bottger, L, Brakel, R, Brandt, C, Brauer, T, Braune, H, Burhenn, R, Buttenschon, B, Bykov, V, Calvo, I, Cappa, A, Carls, A, De Carvalho, B, Castejon, F, Cianciosa, M, Cole, M, Costea, S, Cseh, G, Czarnecka, A, Dal Molin, A, De La Cal, E, De La Pena, A, Degenkolbe, S, Dhard, C, Dinklage, A, Dostal, M, Drevlak, M, Drewelow, P, Drews, P, Dudek, A, Durodie, F, Dzikowicka, A, Von Eeten, P, Effenberg, F, Endler, M, Erckmann, V, Estrada, T, Fahrenkamp, N, Fellinger, J, Feng, Y, Figacz, W, Ford, O, Fornal, T, Frerichs, H, Fuchert, G, Garcia-Munoz, M, Geiger, B, Geiger, J, Gierse, N, Gogoleva, A, Goncalves, B, Gradic, D, Grahl, M, Gross, S, Grote, H, Grulke, O, Guerard, C, Haas, M, Harris, J, Hartfuss, H, Hartmann, D, Hathiramani, D, Hein, B, Heirnich, S, Henneberg, S, Hennig, C, Hernandez, J, Hidalgo, C, Hidalgo, U, Hirsch, M, Hofel, U, Holbe, H, Holting, A, Houry, M, Huber, V, Ionita, C, Israeli, B, Jablonski, S, Jakubowski, M, Van Vuuren, A, Jenzsch, H, Kaczmarczyk, J, Kallmeyer, J, Kamionka, U, Kasahara, H, Kenmochi, N, Kernbichler, W, Killer, C, Kinna, D, Kleiber, R, Knauer, J, Kochl, F, Kocsis, G, Kolesnichenko, Y, Konies, A, Konig, R, Kornejew, P, Koster, F, Kramer-Flecken, A, Krampitz, R, Krawzyk, N, Kremeyer, T, Krychowiak, M, Ksiazek, I, Kubkowska, M, Kuhner, G, Kurki-Suonio, T, Kurz, P, Kuttler, K, Kwak, S, Landreman, M, Langenberg, A, Lapayese, F, Laqua, H, Laube, R, Laux, M, Lentz, H, Lewerentz, M, Liang, Y, Liu, S, Lobsien, J, Cisquella, J, Lopez-Bruna, D, Lore, J, Lorenz, A, Lui, S, Lutsenko, V, Maassberg, H, Maisano-Brown, J, Marchuk, O, Marrelli, L, Marsen, S, Marushchenko, N, Masuzaki, S, Mccarthy, K, Mcneely, P, Medina, F, Milojevic, D, Mishchenko, A, Missal, B, Mittelstaedt, J, Mollen, A, Moncada, V, Monnich, T, Moseev, D, Nagel, M, Naujoks, D, Neilson, G, Neubauer, O, Neuner, U, Ngo, T, Niemann, H, Nuhrenberg, C, Nuhrenberg, J, Ochando, M, Ogawa, K, Ongena, J, Oosterbeek, H, Pablant, N, Pacella, D, Pacios, L, Panadero, N, Pasch, E, Pastor, I, Pavone, A, Pawelec, E, Pedrosa, A, Perseo, V, Peterson, B, Pilopp, D, Pisano, F, Piulatti, M, Plunk, G, Preynas, M, Proll, J, Sitjes, A, Purps, F, Rack, M, Rahbarnia, K, Riemann, J, Risse, K, Rong, P, Rosenberger, J, Rudischhauser, L, Rummel, K, Rummel, T, Runov, A, Rust, N, Ryc, L, Saitoh, H, Satake, S, Schacht, J, Schmitz, O, Schmuck, S, Schneider, B, Schneider, M, Schneider, W, Schrittwieser, R, Schroder, M, Schroder, T, Schroder, R, Schumacher, H, Schweer, B, Seki, R, Sinha, P, Sipilae, S, Slaby, C, Smith, H, Sousa, J, Spring, A, Standley, B, Stange, T, Von Stechow, A, Stephey, L, Stoneking, M, Stridde, U, Suzuki, Y, Svensson, J, Szabolics, T, Szepesi, T, Thomsen, H, Travere, J, Traverso, P, Mora, H, Tsuchiya, H, Tsuijmura, T, Turkin, Y, Valet, S, Van Milligen, B, Vela, L, Velasco, J, Vergote, M, Vervier, M, Viebke, H, Vilbrandt, R, Von Thun, C, Wagner, F, Wang, E, Wang, N, Warmer, F, Wauters, T, Wegener, L, Wegner, T, Weir, G, Wendorf, J, Wenzel, U, Werner, A, Wie, Y, Wiegel, B, Wilde, F, Windisch, T, Winkler, M, Winters, V, Wright, A, Wurden, G, Xanthopoulos, P, Yamada, I, Yasuhara, R, Yokoyama, M, Zhang, D, Zilker, M, Zimbal, A, Zocco, A, Zoletnik, S, Pedersen T. S., Otte M., Lazerson S., Helander P., Bozhenkov S., Biedermann C., Klinger T., Wolf R. C., Bosch H. -S., Abramovic I., Akaslompolo S., Aleynikov P., Aleynikova K., Ali A., Alonso A., Anda G., Andreeva T., Ascasibar E., Baldzuhn J., Banduch M., Barbui T., Beidler C., Benndorf A., Beurskens M., Biel W., Birus D., Blackwell B., Blanco E., Blatzheim M., Bluhm T., Bockenhoff D., Bolgert P., Borchardt M., Bottger L. -G., Brakel R., Brandt C., Brauer T., Braune H., Burhenn R., Buttenschon B., Bykov V., Calvo I., Cappa A., Carls A., De Carvalho B. B., Castejon F., Cianciosa M., Cole M., Costea S., Cseh G., Czarnecka A., Dal Molin A., De La Cal E., De La Pena A., Degenkolbe S., Dhard C. P., Dinklage A., Dostal M., Drevlak M., Drewelow P., Drews P., Dudek A., Durodie F., Dzikowicka A., Von Eeten P., Effenberg F., Endler M., Erckmann V., Estrada T., Fahrenkamp N., Fellinger J., Feng Y., Figacz W., Ford O., Fornal T., Frerichs H., Fuchert G., Garcia-Munoz M., Geiger B., Geiger J., Gierse N., Gogoleva A., Goncalves B., Gradic D., Grahl M., Gross S., Grote H., Grulke O., Guerard C., Haas M., Harris J., Hartfuss H. -J., Hartmann D., Hathiramani D., Hein B., Heirnich S., Henneberg S., Hennig C., Hernandez J., Hidalgo C., Hidalgo U., Hirsch M., Hofel U., Holbe H., Holting A., Houry M., Huber V., Ionita C., Israeli B., Jablonski S., Jakubowski M., Van Vuuren A. J., Jenzsch H., Kaczmarczyk J., Kallmeyer J. -P., Kamionka U., Kasahara H., Kenmochi N., Kernbichler W., Killer C., Kinna D., Kleiber R., Knauer J., Kochl F., Kocsis G., Kolesnichenko Y., Konies A., Konig R., Kornejew P., Koster F., Kramer-Flecken A., Krampitz R., Krawzyk N., Kremeyer T., Krychowiak M., Ksiazek I., Kubkowska M., Kuhner G., Kurki-Suonio T., Kurz P., Kuttler K., Kwak S., Landreman M., Langenberg A., Lapayese F., Laqua H., Laqua H. -P., Laube R., Laux M., Lentz H., Lewerentz M., Liang Y., Liu S., Lobsien J. -F., Cisquella J. L., Lopez-Bruna D., Lore J., Lorenz A., Lui S., Lutsenko V., Maassberg H., Maisano-Brown J., Marchuk O., Marrelli L., Marsen S., Marushchenko N., Masuzaki S., McCarthy K., McNeely P., Medina F., Milojevic D., Mishchenko A., Missal B., Mittelstaedt J., Mollen A., Moncada V., Monnich T., Moseev D., Nagel M., Naujoks D., Neilson G. H., Neubauer O., Neuner U., Ngo T. -T., Niemann H., Nuhrenberg C., Nuhrenberg J., Ochando M., Ogawa K., Ongena J., Oosterbeek H., Pablant N., Pacella D., Pacios L., Panadero N., Pasch E., Pastor I., Pavone A., Pawelec E., Pedrosa A., Perseo V., Peterson B., Pilopp D., Pisano F., Piulatti M. E., Plunk G., Preynas M., Proll J., Sitjes A. P., Purps F., Rack M., Rahbarnia K., Riemann J., Risse K., Rong P., Rosenberger J., Rudischhauser L., Rummel K., Rummel T., Runov A., Rust N., Ryc L., Saitoh H., Satake S., Schacht J., Schmitz O., Schmuck S., Schneider B., Schneider M., Schneider W., Schrittwieser R., Schroder M., Schroder T., Schroder R., Schumacher H. W., Schweer B., Seki R., Sinha P., Sipilae S., Slaby C., Smith H., Sousa J., Spring A., Standley B., Stange T., Von Stechow A., Stephey L., Stoneking M., Stridde U., Suzuki Y., Svensson J., Szabolics T., Szepesi T., Thomsen H., Travere J. -M., Traverso P., Mora H. T., Tsuchiya H., Tsuijmura T., Turkin Y., Valet S., Van Milligen B., Vela L., Velasco J. -L., Vergote M., Vervier M., Viebke H., Vilbrandt R., Von Thun C. P., Wagner F., Wang E., Wang N., Warmer F., Wauters T., Wegener L., Wegner T., Weir G., Wendorf J., Wenzel U., Werner A., Wie Y., Wiegel B., Wilde F., Windisch T., Winkler M., Winters V., Wright A., Wurden G., Xanthopoulos P., Yamada I., Yasuhara R., Yokoyama M., Zhang D., Zilker M., Zimbal A., Zocco A., and Zoletnik S.

Abstract

Fusion energy research has in the past 40 years focused primarily on the tokamak concept, but recent advances in plasma theory and computational power have led to renewed interest in stellarators. The largest and most sophisticated stellarator in the world, Wendelstein 7-X (W7-X), has just started operation, with the aim to show that the earlier weaknesses of this concept have been addressed successfully, and that the intrinsic advantages of the concept persist, also at plasma parameters approaching those of a future fusion power plant. Here we show the first physics results, obtained before plasma operation: that the carefully tailored topology of nested magnetic surfaces needed for good confinement is realized, and that the measured deviations are smaller than one part in 100,000. This is a significant step forward in stellarator research, since it shows that the complicated and delicate magnetic topology can be created and verified with the required accuracy.

Published
2016

13. Microwave Diagnostics for Wendelstein 7-X

Author

Hirsch, M., Estrada, T., Wagner, D., Wolf, S., Hartfuss, H.-J., Kasparek, W., Lechte, C., Krämer-Flecken, A., Kornejew, P., Plaum, B., Stange, T., and Windisch, T.

Published
2014

22. Physics, technologies, and status of the Wendelstein 7-X device

Author

Wagner, F., Andreeva, T., Cardella, A., Czerwinski, M., Damiani, C., Dammertz, G., Duebner, A., Ehmler, J. H., Elio, F., Endler, M., Erckmann, V., Feist, J., Baldzuhn, J., Fillunger, M., Gantenbein, G., Gardebrecht, W., Gasparotto, M., Giesen, B., Greuner, H., Greve, A. B., Grigull, P., Grote, H., Harmeyer, E., Benndorf, A., Hartfuss, H. J., Hartmann, D., Hein, B., Heinemann, B., Holtum, D., Huguet, M., Hurd, F., Jaksic, N., Kasparek, W., Kissliner, J., Bolt, H., Klinger, T., Knauer, J., Krampitz, R., Laqua, H., Lentz, H., Liesenberg, K., Maier, J., Maix, R., Mendelevitch, B., Michel, G., Boscary, J., Nagel, H. Y., Naujoks, D., Niedermeyer, H., Nuehrenberg, C., Opitz, A., Pfeiffer, G., Pietsch, M., Reich, J., Risse, K., Rong, P., Bosch, H. S., Rummel, K., Rummel, T., Sborchia, C., Schauer, F., Schroeder, R., Schultz, U., Schweizer, S., Simon-Weidner, J., Sochor, M., Sonnerup, L., Braeuer, T., Streibl, B., Tretter, J., Thumm, M., Viebke, H., Wanner, M., Wegener, L., Weissgerber, M., Werner, A., Winkler, M., Brakel, R., and Brand, P.

Published
2004

24. Major results from Wendelstein 7-AS stellerator

Author

Wagner, F., Burhenn, R., Brakel, R., Dinklage, A., Grigull, P., Endler, M., Erckmann, V., Ehmler, H., Feng, Y., Fischer, R., Gadelmeier, F., LaGiannone, L., Hartfuss, H. J., Hildebrandt, D., Holzhauer, E., Igitkhanov, Y., Jänicke, R., Kick, M., Kislyakov, A., Kreter, A., Kisslinger, J., Klinger, T., Geiger, J., Klose, S., Knauer, J. P., König, R., Kühner, G., Maassberg, H., McCormick, K., Naujoks, D., Niedermeyer, H., Nührenberg, C., Pasch, E., Hirsch, M., Ramasubramanian, N., Rust, N., Sallander, E., Sardei, F., Wenzel, U., Wobig, H., Würsching, E., Zarnstorff, M., Zoletnik, S., Laqua, H. P., Weller, A., Werner, A., Bäumel, S., and Baldzuhn, J.

Published
2002

25. Physics of Density Limit in the W7-AS Stellarator

Author

Giannone, L., Baldzuhn, J., Burhenn, R., Grigull, P., Stroth, U., Wagner, F., Brakel, R., Fuchs, C., Hartfuss, H. J., McCormick, K., Weller, A., Wendland, C., NBI Team, ECRH Team, W7-AS Team, Itoh, K., and Itoh, S. I.

Published
2000

26. Physics of the Density Limit in the W7-AS Stellarator

Author

Giannone, L., Baldzuhn, J., Burhenn, R., Wagner, F., Brakel, R., Fuchs, C., Hartfuß, H.-J., McCormick, K., Weller, A., Wendland, C., NBI Team, ECRH Team, W7-AS Team, Itoh, K., and Itoh, S.-I.

Published
2000

27. Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X

Author

Bosch, H.-S., primary, Wolf, R.C., additional, Andreeva, T., additional, Baldzuhn, J., additional, Birus, D., additional, Bluhm, T., additional, Bräuer, T., additional, Braune, H., additional, Bykov, V., additional, Cardella, A., additional, Durodié, F., additional, Endler, M., additional, Erckmann, V., additional, Gantenbein, G., additional, Hartmann, D., additional, Hathiramani, D., additional, Heimann, P., additional, Heinemann, B., additional, Hennig, C., additional, Hirsch, M., additional, Holtum, D., additional, Jagielski, J., additional, Jelonnek, J., additional, Kasparek, W., additional, Klinger, T., additional, König, R., additional, Kornejew, P., additional, Kroiss, H., additional, Krom, J.G., additional, Kühner, G., additional, Laqua, H., additional, Laqua, H.P., additional, Lechte, C., additional, Lewerentz, M., additional, Maier, J., additional, McNeely, P., additional, Messiaen, A., additional, Michel, G., additional, Ongena, J., additional, Peacock, A., additional, Pedersen, T.S., additional, Riedl, R., additional, Riemann, H., additional, Rong, P., additional, Rust, N., additional, Schacht, J., additional, Schauer, F., additional, Schroeder, R., additional, Schweer, B., additional, Spring, A., additional, Stäbler, A., additional, Thumm, M., additional, Turkin, Y., additional, Wegener, L., additional, Werner, A., additional, Zhang, D., additional, Zilker, M., additional, Akijama, T., additional, Alzbutas, R., additional, Ascasibar, E., additional, Balden, M., additional, Banduch, M., additional, Baylard, Ch., additional, Behr, W., additional, Beidler, C., additional, Benndorf, A., additional, Bergmann, T., additional, Biedermann, C., additional, Bieg, B., additional, Biel, W., additional, Borchardt, M., additional, Borowitz, G., additional, Borsuk, V., additional, Bozhenkov, S., additional, Brakel, R., additional, Brand, H., additional, Brown, T., additional, Brucker, B., additional, Burhenn, R., additional, Buscher, K.-P., additional, Caldwell-Nichols, C., additional, Cappa, A., additional, Carls, A., additional, Carvalho, P., additional, Ciupiński, Ł., additional, Cole, M., additional, Collienne, J., additional, Czarnecka, A., additional, Czymek, G., additional, Dammertz, G., additional, Dhard, C.P., additional, Davydenko, V.I., additional, Dinklage, A., additional, Drevlak, M., additional, Drotziger, S., additional, Dudek, A., additional, Dumortier, P., additional, Dundulis, G., additional, Eeten, P.v., additional, Egorov, K., additional, Estrada, T., additional, Faugel, H., additional, Fellinger, J., additional, Feng, Y., additional, Fernandes, H., additional, Fietz, W.H., additional, Figacz, W., additional, Fischer, F., additional, Fontdecaba, J., additional, Freund, A., additional, Funaba, T., additional, Fünfgelder, H., additional, Galkowski, A., additional, Gates, D., additional, Giannone, L., additional, García Regaña, J.M., additional, Geiger, J., additional, Geißler, S., additional, Greuner, H., additional, Grahl, M., additional, Groß, S., additional, Grosman, A., additional, Grote, H., additional, Grulke, O., additional, Haas, M., additional, Haiduk, L., additional, Hartfuß, H.-J., additional, Harris, J.H., additional, Haus, D., additional, Hein, B., additional, Heitzenroeder, P., additional, Helander, P., additional, Heller, R., additional, Hidalgo, C., additional, Hildebrandt, D., additional, Höhnle, H., additional, Holtz, A., additional, Holzhauer, E., additional, Holzthüm, R., additional, Huber, A., additional, Hunger, H., additional, Hurd, F., additional, Ihrke, M., additional, Illy, S., additional, Ivanov, A., additional, Jablonski, S., additional, Jaksic, N., additional, Jakubowski, M., additional, Jaspers, R., additional, Jensen, H., additional, Jenzsch, H., additional, Kacmarczyk, J., additional, Kaliatk, T., additional, Kallmeyer, J., additional, Kamionka, U., additional, Karaleviciu, R., additional, Kern, S., additional, Keunecke, M., additional, Kleiber, R., additional, Knauer, J., additional, Koch, R., additional, Kocsis, G., additional, Könies, A., additional, Köppen, M., additional, Koslowski, R., additional, Koshurinov, J., additional, Krämer-Flecken, A., additional, Krampitz, R., additional, Kravtsov, Y., additional, Krychowiak, M., additional, Krzesinski, G., additional, Ksiazek, I., additional, Kubkowska, M., additional, Kus, A., additional, Langish, S., additional, Laube, R., additional, Laux, M., additional, Lazerson, S., additional, Lennartz, M., additional, Li, C., additional, Lietzow, R., additional, Lohs, A., additional, Lorenz, A., additional, Louche, F., additional, Lubyako, L., additional, Lumsdaine, A., additional, Lyssoivan, A., additional, Maaßberg, H., additional, Marek, P., additional, Martens, C., additional, Marushchenko, N., additional, Mayer, M., additional, Mendelevitch, B., additional, Mertens, Ph., additional, Mikkelsen, D., additional, Mishchenko, A., additional, Missal, B., additional, Mizuuchi, T., additional, Modrow, H., additional, Mönnich, T., additional, Morizaki, T., additional, Murakami, S., additional, Musielok, F., additional, Nagel, M., additional, Naujoks, D., additional, Neilson, H., additional, Neubauer, O., additional, Neuner, U., additional, Nocentini, R., additional, Noterdaeme, J.-M., additional, Nührenberg, C., additional, Obermayer, S., additional, Offermanns, G., additional, Oosterbeek, H., additional, Otte, M., additional, Panin, A., additional, Pap, M., additional, Paquay, S., additional, Pasch, E., additional, Peng, X., additional, Petrov, S., additional, Pilopp, D., additional, Pirsch, H., additional, Plaum, B., additional, Pompon, F., additional, Povilaitis, M., additional, Preinhaelter, J., additional, Prinz, O., additional, Purps, F., additional, Rajna, T., additional, Récsei, S., additional, Reiman, A., additional, Reiter, D., additional, Remmel, J., additional, Renard, S., additional, Rhode, V., additional, Riemann, J., additional, Rimkevicius, S., additional, Riße, K., additional, Rodatos, A., additional, Rodin, I., additional, Romé, M., additional, Roscher, H.-J., additional, Rummel, K., additional, Rummel, Th., additional, Runov, A., additional, Ryc, L., additional, Sachtleben, J., additional, Samartsev, A., additional, Sanchez, M., additional, Sano, F., additional, Scarabosio, A., additional, Schmid, M., additional, Schmitz, H., additional, Schmitz, O., additional, Schneider, M., additional, Schneider, W., additional, Scheibl, L., additional, Scholz, M., additional, Schröder, G., additional, Schröder, M., additional, Schruff, J., additional, Schumacher, H., additional, Shikhovtsev, I.V., additional, Shoji, M., additional, Siegl, G., additional, Skodzik, J., additional, Smirnow, M., additional, Speth, E., additional, Spong, D.A., additional, Stadler, R., additional, Sulek, Z., additional, Szabó, V., additional, Szabolics, T., additional, Szetefi, T., additional, Szökefalvi-Nagy, Z., additional, Tereshchenko, A., additional, Thomsen, H., additional, Timmermann, D., additional, Tittes, H., additional, Toi, K., additional, Tournianski, M., additional, Toussaint, U.v., additional, Tretter, J., additional, Tulipán, S., additional, Turba, P., additional, Uhlemann, R., additional, Urban, J., additional, Urbonavicius, E., additional, Urlings, P., additional, Valet, S., additional, Van Eester, D., additional, Van Schoor, M., additional, Vervier, M., additional, Viebke, H., additional, Vilbrandt, R., additional, Vrancken, M., additional, Wauters, T., additional, Weissgerber, M., additional, Weiß, E., additional, Weller, A., additional, Wendorf, J., additional, Wenzel, U., additional, Windisch, T., additional, Winkler, E., additional, Winkler, M., additional, Wolowski, J., additional, Wolters, J., additional, Wrochna, G., additional, Xanthopoulos, P., additional, Yamada, H., additional, Yokoyama, M., additional, Zacharias, D., additional, Zajac, J., additional, Zangl, G., additional, Zarnstorff, M., additional, Zeplien, H., additional, Zoletnik, S., additional, and Zuin, M., additional

Published
2013
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29. W7-AS Contributions to the 111th Topical Conference 'High-Teperatur Plasma Diagnostics' (12.-16.May. 1996 Monterey, Californien) W7-AS Contributions to the 12th International Conference on Plasma Surface Interacions (20.-24. May 1996, St.-Raphael, France) W7-AS Contribution s to the 23rd EPS Conference on Controlled Fusion and Plasma Physics (24.-28.June 1996, Kiev, Ukraine)

Author

Baldzuhn, J., Giannone, L., Hartfuss, H. J., Kühner, G., Feng, Y., Grigull, P., Herre, G., Sardei, F., Brakel, R., Branas, B., Cattanei, G., Fiedler, S., Geiger, J., Heinrich, O. P., Hofmann, J. V., Laqua, H. P., Maaßberg, H., Rome, M., and Bleuel, J.

Published
1996

30. Diagnostics development for quasi-steady-state operation of the Wendelstein 7-X stellarator (invited)

Author

König, R., primary, Baldzuhn, J., additional, Biedermann, C., additional, Burhenn, R., additional, Bozhenkov, S., additional, Cardella, A., additional, Endler, M., additional, Hartfuss, H.-J., additional, Hathiramani, D., additional, Hildebrandt, D., additional, Hirsch, M., additional, Jakubowski, M., additional, Kocsis, G., additional, Kornejev, P., additional, Krychowiak, M., additional, Laqua, H. P., additional, Laux, M., additional, Oosterbeek, J. W., additional, Pasch, E., additional, Richert, T., additional, Schneider, W., additional, Sunn-Pedersen, T., additional, Thomsen, H., additional, Weller, A., additional, Werner, A., additional, Wolf, R., additional, Zhang, D., additional, and Zoletnik, S., additional

Published
2012
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31. Diagnostics design for steady-state operation of the Wendelstein 7-X stellarator

Author

König, R., primary, Baldzuhn, J., additional, Biel, W., additional, Biedermann, C., additional, Burhenn, R., additional, Bozhenkov, S., additional, Cantarini, J., additional, Dreier, H., additional, Endler, M., additional, Hartfuss, H.-J., additional, Hildebrandt, D., additional, Hirsch, M., additional, Jakubowski, M., additional, Jimenez-Gomez, R., additional, Kocsis, G., additional, Kornejev, P., additional, Krychowiak, M., additional, Laqua, H. P., additional, Laux, M., additional, Oosterbeek, J. W., additional, Pasch, E., additional, Richert, T., additional, Schneider, W., additional, Schweer, B., additional, Svensson, J., additional, Thomsen, H., additional, Weller, A., additional, Werner, A., additional, Wolf, R., additional, Zhang, D., additional, and Zoletnik, S., additional

Published
2010
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38. W7-AS: One step of the Wendelstein stellarator line

Author

Wagner, F., primary, Bäumel, S., additional, Baldzuhn, J., additional, Basse, N., additional, Brakel, R., additional, Burhenn, R., additional, Dinklage, A., additional, Dorst, D., additional, Ehmler, H., additional, Endler, M., additional, Erckmann, V., additional, Feng, Y., additional, Gadelmeier, F., additional, Geiger, J., additional, Giannone, L., additional, Grigull, P., additional, Hartfuss, H.-J., additional, Hartmann, D., additional, Hildebrandt, D., additional, Hirsch, M., additional, Holzhauer, E., additional, Igitkhanov, Y., additional, Jänicke, R., additional, Kick, M., additional, Kislyakov, A., additional, Kisslinger, J., additional, Klinger, T., additional, Klose, S., additional, Knauer, J. P., additional, König, R., additional, Kühner, G., additional, Laqua, H. P., additional, Maassberg, H., additional, McCormick, K., additional, Niedermeyer, H., additional, Nührenberg, C., additional, Pasch, E., additional, Ramasubramanian, N., additional, Ruhs, N., additional, Rust, N., additional, Sallander, E., additional, Sardei, F., additional, Schubert, M., additional, Speth, E., additional, Thomsen, H., additional, Volpe, F., additional, Weller, A., additional, Werner, A., additional, Wobig, H., additional, Würsching, E., additional, Zarnstorff, M., additional, and Zoletnik, S., additional

Published
2005
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41. A new quasi-stationary, very high density plasma regime on the W7-AS stellarator

Author

Jaenicke, R, primary, Baeumel, S, additional, Baldzuhn, J, additional, Brakel, R, additional, Burhenn, R, additional, Ehmler, H, additional, Endler, M, additional, Erckmann, V, additional, Feng, Y, additional, Gadelmeier, F, additional, Geiger, J, additional, Giannone, L, additional, Grigull, P, additional, Hartfuss, H J, additional, Hartmann, D, additional, Hildebrandt, D, additional, Hirsch, M, additional, Holzhauer, E, additional, Kick, M, additional, Kisslinger, J, additional, Klinger, T, additional, Klose, S, additional, Knauer, J, additional, Koenig, R, additional, Kuehner, G, additional, Laqua, H, additional, Maassberg, H, additional, McCormick, K, additional, Narayanan, R, additional, Niedermeyer, H, additional, Pasch, E, additional, Ruhs, N, additional, Rust, N, additional, Saffert, J, additional, Sardei, F, additional, Schneider, F, additional, Schubert, M, additional, Speth, E, additional, Wagner, F, additional, Weller, A, additional, Wenzel, U, additional, Werner, A, additional, and Wuersching, E, additional

Published
2002
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42. Applicability of Heavy Ion Beam Probing for Stellarator W7-X.

Author

Perfilov, S., Melnikov, A., Krupnik, L., and Hartfuss, H. J.

Subjects
STELLARATORS, ION bombardment, PLASMA gases, PLASMA density, MAGNETICS, FEASIBILITY studies
Abstract

The feasibility study for HIBP on the stellarator W7-X was done to provide the measurements of the radial profiles of plasma potential, density and their fluctuations. Calculations of probing Tl+ beam trajectories were done for the various W7-X magnetic configurations with B0 = 2.5 T. They show that satisfactory access is possible for A11-N11 port combinations. The trajectory optimisation aiming for the maximal plasma observation was done for chosen port combination. © 2006 American Institute of Physics [ABSTRACT FROM AUTHOR]

Published
2006
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47. Operational conditions and characteristics of ELM-events during H-mode plasmas in the stellarator W7-AS

Author

Hirsch, M, Grigull, P, Wobig, H, Kisslinger, J, McCormick, K, Anton, M, Baldzuhn, J, Fiedler, S, Fuchs, Ch, Geiger, J, Giannone, L, Hartfuss, H-J, Holzhauer, E, Hirsch, M, Grigull, P, Wobig, H, Kisslinger, J, McCormick, K, Anton, M, Baldzuhn, J, Fiedler, S, Fuchs, Ch, Geiger, J, Giannone, L, Hartfuss, H-J, Jaenicke, R, Kick, M, Maassberg, H, Wagner, F, and Weller, A

Abstract

H-mode operation in the low-shear stellarator W7-AS is achieved for specific plasma edge topologies characterized by three `operational windows' of the edge rotational transform. An explanation for this strong influence of the magnetic configuration could be the increase of viscous damping if rational surfaces and thus island structures occur withinthe relevant plasma edge layer, thereby impeding the development of an edge transport barrier. Prior to the final transition to a quiescent state, the plasma edge passes a rich phenomenology of dynamic behaviour such as dithering and ELMs. Plasma edge parameters indicate that a quiescent H-mode occurs if a certain edge pressure is achieved.

Published
2000
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