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資料番号: AA0047118074

資料番号: AA0045426068

平成24年度スペースプラズマ研究会(2013年2月26-27日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県, Space Plasma Conference FY2012 (February 26-27, 2013. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan, 資料番号: SA6000078009

In order to realize long-lived electric propulsion systems, we have been investigating an electrodeless plasma thruster. In our concept, a helicon plasma is accelerated by the magnetic nozzle for the thrusts production. In addition, the electromagnetic thrust can be enhanced by the additional radio-frequency rotating electric field (REF) power in the magnetic nozzle. In this study, a direct measurement of the electromagnetic thrust and a probe measurement have been conducted using a laboratory model of the thruster under the condition without the REF power input. Fromthrust measurement, it is shown that the thruster produces a sub-milli-newton order electromagnetic thrust force without the additional REF power. The thrust force and the density jump are observed due to the discharge mode transition from the inductive coupled plasma to the helicon wave excited plasma. The thermal thrust is theoretically estimated, and the total thrust force, which is a sum of the electromagnetic and the thermal thrust force and specific impulse are calculated to be up to 650 μN (plasma production power of 400 W, Ar gas mass flow rate of 1.0 mg/s) and 210 s (plasma production power of 400 W, Ar gas mass flow rate of 0.2 mg/s), respectively., {"references":["H. Kuninaka, K. Nishiyama, I. Funaki, T. Yamada, Y. Shimizu and J.\nKawaguchi, \"Powered flight of electron cyclotron resonance ion engines\non Hayabusa explorer,\" J. Propul. Power, Vol. 23, 3, pp. 544-551, 2007.","K. Toki, S. Shinohara, T. Tanikawa, I. Funaki and K. P. Shamrai,\n\"Preliminary investigation of helicon plasma source for electric\npropulsion applications,\" IEPC 03-0168, 28th Int. Electric Propul. Conf.,\nToulouse, France, 17-21 March, 2003.","J. P. Squire, L. D. Cassady, F. R. Chang Diaz, M. D. Carter, T. G. Glover,\net al., \"Superconducting 200 kW VASIMR experiment and integrated\ntesting,\" IEPC-2009-209, 31st Int. Electric Propul. Conf., University of\nMichigan, USA, September 20-24, 2009.","L. D. Cassady, B. W. Longmier, C. S. Olsen, M. G. Ballenger, G. E.\nMcCaskill, et al., \"VASIMR® performance results,\" AIAA2010-6772,\n46th AIAA/ASME/SAE/ASEE Joint Propul. Conf. & Exhibit, Nashville,\nTN, July 25-28, 2010.","C. Charles, P. Alexander, C. Costa, O. Sutherland, R. W. Boswell, et al.,\n\"Helicon double layer thrusters,\" IECP-2005-290, 29th Int. Electric\nPropul. Conf., Princeton University, October 31 - November 4, 2005.","I.Musso,M.Manente, J. Carlsson, C. Giacomuzzo, D. Pavarin, et al. \"2D\nOOPIC simulations of the helicon double layer,\" IEPC-2007-146, 30th\nInt. Electric Propul. Conf., Florence, Italy, September 17-20, 2007.","M. D. West, C. Charles and R. W. Boswell, \"Testing a helicon double\nlayer thruster immersed in a space-simulation chamber,\" J. Propul.\nPower, Vol. 24, 1, pp. 134-141, 2008.","K. Toki, S. Shinohara, T. Tanikawa, I. Funaki and K. P. Shamrai,\n\"Feasibility study of electrodeless magnetoplasmadynamic acceleration,\"\nAIAA2004-3935, 40th AIAA/ASME/SAE/ASEE Joint Propul. Conf. &\nExhibit, Fort, Lauderdale, FL, July 11-14, 2004.","S. Shinohara, T. Hada, T. Motomura, K. Tanaka, T. Tanikawa, et al.,\n\"Development of high-density helicon plasma sources and their\napplications,\" Phys. Plasmas, Vol. 16, 057104, 2009.\n[10] S. Shinohara, \"High-density helicon plasma sources: development and\napplication,\" I1.301, 37th EPS Conference on Plasma Physics, Dublin,\nIreland, June, 21-25, 2010.\n[11] H. Nishida, T. Nakamura, S. Shinohara, T. Matsuoka, I. Funaki, et al.,\n\"Study on proof-of-principle of Lissajous acceleration for electrodeless\nhelicon plasma thruster,\" Frontier of Appl. Plasma Tech., Vol. 5, 2, 67,\n2012.\n[12] K. Toki, S. Shinohara, T. Tanikawa, T. Hada, I. Funaki, et al., \"A\ncompact helicon source plasma acceleration by RF antennae,\"\nJAXA-RR-09-003, JAXA Research and Development Report, 2010.\n[13] T. Matsuoka, I. Funaki, T. Nakamura, K. Yokoi, H. Nishida, et al.\n\"Scaling laws of Lissajous acceleration for electrodeless helicon plasma\nthruster,\" Plasma Fus. Res., Vol. 6, 2406103, 2011.\n[14] K. Takahashi, T. Lafleur, C. Charles, P. Alexander, R. W. Boswell, et al.,\n\"Direct thrust measurement of a permanent magnet helicon double layer\nthruster,\" Appl. Phys. Lett., Vol. 98, 141503, 2011.\n[15] K. Takahashi, T. Lafleur, C. Charles, P. Alexander and R. W. Boswell,\n\"Electron diamagnetic effect on axial force in an expanding plasma:\nexperiments and theory,\" Phys. Rev. Lett., Vol. 107, 235001, 2011."]}

平成21年度宇宙輸送シンポジウム(2010年1月14日-15日, 宇宙航空研究開発機構宇宙科学研究本部), Space Transportation Symposium (January 14-15, 2010. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)), Sagamihara, Kanagawa Japan, 形態: カラー図版あり, 形態: CD-ROM1枚, Physical characteristics: Original contains color illustrations, Note: One CD-ROM, 資料番号: AA0064741105