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21 results on '"Tammelin, B."'

1. ModObs: Atmospheric modelling for wind energy, climate and environment applications: Exploring added value from new observation technique. Work in progress within a FP6 Marie Curie Research Training Network

Author

Semedo, Alvaro, Wagner, Rozenn, Suselj, K., Canadillas, B., Catarino, A., Cassol, M., Velea, L., Khalil, M., Hanson, T., Sempreviva, Anna Maria, Ejsing Jørgensen, Hans, Sood, A., Savunen, T., Tammelin, B., Neumann, T., Cheruy, F., Liberti, G., Rizza, U., Lanotte, A., Rutgersson, A., Smedman, A.-S., Esau, I., Jensen, L.E., Christensen, L.C., Furevik, B., Saetra, O., Semedo, Alvaro, Wagner, Rozenn, Suselj, K., Canadillas, B., Catarino, A., Cassol, M., Velea, L., Khalil, M., Hanson, T., Sempreviva, Anna Maria, Ejsing Jørgensen, Hans, Sood, A., Savunen, T., Tammelin, B., Neumann, T., Cheruy, F., Liberti, G., Rizza, U., Lanotte, A., Rutgersson, A., Smedman, A.-S., Esau, I., Jensen, L.E., Christensen, L.C., Furevik, B., and Saetra, O.

Published
2008

2. ModObs: Atmospheric modelling for wind energy, climate and environment applications: Exploring added value from new observation technique. Work in progress within a FP6 Marie Curie Research Training Network

Author

Semedo, Alvaro, Wagner, Rozenn, Suselj, K., Canadillas, B., Catarino, A., Cassol, M., Velea, L., Khalil, M., Hanson, T., Sempreviva, Anna Maria, Ejsing Jørgensen, Hans, Sood, A., Savunen, T., Tammelin, B., Neumann, T., Cheruy, F., Liberti, G., Rizza, U., Lanotte, A., Rutgersson, A., Smedman, A.-S., Esau, I., Jensen, L.E., Christensen, L.C., Furevik, B., Saetra, O., Semedo, Alvaro, Wagner, Rozenn, Suselj, K., Canadillas, B., Catarino, A., Cassol, M., Velea, L., Khalil, M., Hanson, T., Sempreviva, Anna Maria, Ejsing Jørgensen, Hans, Sood, A., Savunen, T., Tammelin, B., Neumann, T., Cheruy, F., Liberti, G., Rizza, U., Lanotte, A., Rutgersson, A., Smedman, A.-S., Esau, I., Jensen, L.E., Christensen, L.C., Furevik, B., and Saetra, O.

Published
2008

3. ModObs: Atmospheric modelling for wind energy, climate and environment applications: Exploring added value from new observation technique. Work in progress within a FP6 Marie Curie Research Training Network

Author

Semedo, Alvaro, Wagner, Rozenn, Suselj, K., Canadillas, B., Catarino, A., Cassol, M., Velea, L., Khalil, M., Hanson, T., Sempreviva, Anna Maria, Ejsing Jørgensen, Hans, Sood, A., Savunen, T., Tammelin, B., Neumann, T., Cheruy, F., Liberti, G., Rizza, U., Lanotte, A., Rutgersson, A., Smedman, A.-S., Esau, I., Jensen, L.E., Christensen, L.C., Furevik, B., Saetra, O., Semedo, Alvaro, Wagner, Rozenn, Suselj, K., Canadillas, B., Catarino, A., Cassol, M., Velea, L., Khalil, M., Hanson, T., Sempreviva, Anna Maria, Ejsing Jørgensen, Hans, Sood, A., Savunen, T., Tammelin, B., Neumann, T., Cheruy, F., Liberti, G., Rizza, U., Lanotte, A., Rutgersson, A., Smedman, A.-S., Esau, I., Jensen, L.E., Christensen, L.C., Furevik, B., and Saetra, O.

Published
2008

4. WINDENG - a new network in Europe (poster)

Author

Sempreviva, A., Barthelmie, R.J., Landberg, L., Heinemann, D., Stack, M., Christensen, L., Stefanatos, N., Svenson, J., Lavagnini, A., Tammelin, B., Sempreviva, A., Barthelmie, R.J., Landberg, L., Heinemann, D., Stack, M., Christensen, L., Stefanatos, N., Svenson, J., Lavagnini, A., and Tammelin, B.

Published
2004

5. WindEng - Research activity in an European training network

Author

Sempreviva, A.M., Barthelmie, R.J., Landberg, L., Larsén, Xiaoli Guo, Mann, J., Motta, M., Paus, T. de, Focken, U., Heinemann, D., Durante, F., Strack, M., Christensen, L.C., Danielan, R., Muri, H., Perstrup, C., Stefanatos, N., Lavagnini, A., Gregow, E., Tammelin, B., Sempreviva, A.M., Barthelmie, R.J., Landberg, L., Larsén, Xiaoli Guo, Mann, J., Motta, M., Paus, T. de, Focken, U., Heinemann, D., Durante, F., Strack, M., Christensen, L.C., Danielan, R., Muri, H., Perstrup, C., Stefanatos, N., Lavagnini, A., Gregow, E., and Tammelin, B.

Published
2004

6. WindEng - A new network in Europe

Author

Sempreviva, A.M., Barthelmie, R.J., Højstrup, J., Landberg, L., Heinemann, D., Focken, U., Stack, M., Christensen, L.C., Vølund, P., Stefanatos, N., Lavagnini, A., Tammelin, B., Sempreviva, A.M., Barthelmie, R.J., Højstrup, J., Landberg, L., Heinemann, D., Focken, U., Stack, M., Christensen, L.C., Vølund, P., Stefanatos, N., Lavagnini, A., and Tammelin, B.

Published
2003

7. WINDENG - A new network in Europe

Author

Sempreviva, A.M., Barthelmie, R.J., Landberg, L., Heinemann, D., Stack, M., Christensen, L., Svenson, J., Stefanatos, N., Lavagnini, A., Tammelin, B., Sempreviva, A.M., Barthelmie, R.J., Landberg, L., Heinemann, D., Stack, M., Christensen, L., Svenson, J., Stefanatos, N., Lavagnini, A., and Tammelin, B.

Published
2003

8. Wind energy production in cold climate (WECO)

Author

Tammelin, B., Böhringer, A., Cavaliere, M., Holttinen, H., Morgan, C., Seifert, H., Säntti, K., Vølund, P., Tammelin, B., Böhringer, A., Cavaliere, M., Holttinen, H., Morgan, C., Seifert, H., Säntti, K., and Vølund, P.

Abstract

This report introduces main results and recommendations of the research project “Wind Energy Production in COld climates” WECO (JOR3-CT95-0014), which was partially supported by the European Commission DG XII Non Nuclear Energy Programme aiming at the investigation of wind turbines under cold climate operation. It is shown experimentally and by numerical simulations that icing of rotor blades or other components lead to decreased production due to ice accretion or safety demands. The icing effect is directly related to the climate of the site of the wind turbine, and varies strongly from region to region in Europe. Extreme low air temperature again arises new demands for design parameters. Icing of anemometers and other wind gauges typically lead to wrong estimation of wind power potential and operational problems of wind turbines. The icing map over Europe, based on meteorological observations from 120 synoptic stations, show that icing and cold weather conditions occur in large regions in Europe, not only in the Nordic countries but also especially at mountainous regions in Northern Europe, Germany, UK, Alps, Spain and central Italy. On the other hand new megawatt turbines are high enough to encounter in-cloud icing even in lowlands. Following the method used to construct the European wind atlas, icing data is presented to show how it affects on-site wind power production. Experimental data, wind tunnel simulations and numerical analyses were used to describe the ice formation on wind turbine blades, to produce the C l, Cd values, to calculate the power curves for iced wind turbines, and to study the loads. Ice on blades usually decreases the power production. At harsh sites the annual power loss may be up to 20-50 %. The project also produced a preliminary method to combine the European Wind Atlas method, iced power curves and statistics of in-cloud icing to estimate annual or monthly losses due to icing at desired site. For environmental safety i

Published
2000

12. Wind resources at the Baltic Sea

Author

Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., Tammelin, B., Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., and Tammelin, B.

Published
1997

13. Wind resources at the Baltic Sea

Author

Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., Tammelin, B., Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., and Tammelin, B.

Published
1997

14. Wind resources at the Baltic Sea

Author

Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., Tammelin, B., Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., and Tammelin, B.

Published
1997

15. Wind resources at the Baltic Sea

Author

Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., Tammelin, B., Höjstrup, J., Bumke, Karl, Smedman, A.-S., Adrian, G., and Tammelin, B.

Published
1997

16. Wind resources in the Baltic Sea

Author

Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., Tammelin, B., Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., and Tammelin, B.

Abstract

The wind rcsource of the Baltic Sea has been investigated, using ship-based measurements and a model to establish the geostrophic wind climatology. Regional climatologies are then generated by meso-scale models, and finally local siting can be performed by the WASP-model. Four different ways of modelling the regional climate have been investigated, three mesoscale models and an empirical approach using near coastal ship-based observations

Published
1996

17. Wind resources in the Baltic Sea

Author

Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., Tammelin, B., Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., and Tammelin, B.

Abstract

The wind rcsource of the Baltic Sea has been investigated, using ship-based measurements and a model to establish the geostrophic wind climatology. Regional climatologies are then generated by meso-scale models, and finally local siting can be performed by the WASP-model. Four different ways of modelling the regional climate have been investigated, three mesoscale models and an empirical approach using near coastal ship-based observations

Published
1996

18. Wind resources in the Baltic Sea

Author

Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., Tammelin, B., Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., and Tammelin, B.

Abstract

The wind rcsource of the Baltic Sea has been investigated, using ship-based measurements and a model to establish the geostrophic wind climatology. Regional climatologies are then generated by meso-scale models, and finally local siting can be performed by the WASP-model. Four different ways of modelling the regional climate have been investigated, three mesoscale models and an empirical approach using near coastal ship-based observations

Published
1996

19. Wind resources in the Baltic Sea

Author

Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., Tammelin, B., Zervos, A., Ehmannn, H., Helm, P., Hoejstrup, J., Petersen, E.L., Landberg, L., Barthelmie, B., Bumke, Karl, Karger, U., Hasse, Lutz, Adrian, G., Fiedler, F., Smedman, A.-S., Bergström, H., and Tammelin, B.

Abstract

The wind rcsource of the Baltic Sea has been investigated, using ship-based measurements and a model to establish the geostrophic wind climatology. Regional climatologies are then generated by meso-scale models, and finally local siting can be performed by the WASP-model. Four different ways of modelling the regional climate have been investigated, three mesoscale models and an empirical approach using near coastal ship-based observations

Published
1996

20. Wind loads in complex terrain

Author

Tammelin, B., Säntti, K., Peltola, E., Neuvonen, H., Madsen, Peter Hauge, Tammelin, B., Säntti, K., Peltola, E., Neuvonen, H., and Madsen, Peter Hauge

Published
1992

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