Heating, current drive, and advanced plasma control in JFT-2M

Fusion Science and Technology

Volumn 49, Issue 2, 2006, Pages 139-167

  Hoshino, K ^a   Yamamoto, T ^a   Tamai, H ^a   Ohasa, K ^a   Kawashima, H ^a   Miura, Y ^a   Ogawa, T ^a   Shoji, T ^a   Shibata, T ^a   Kikuchi, K ^a   Sawahata, M ^a   Takahashi, K ^a  

^a JAPAN ATOMIC ENERGY AGENCY   (Japan)

Author keywords

Current drive; JFT 2M tokamak; Radio frequency heating

Indexed keywords

CYCLOTRONS; ELECTRIC CURRENTS; PLASMA HEATING; PLASMAS;

CURRENT DRIVE; JFT-2M TOKAMAK; PLASMA CONTROL; RADIO-FREQUENCY HEATING;

FUSION REACTIONS;

EID: 33644597110     PISSN: 15361055     EISSN: None     Source Type: Journal    
DOI: 10.13182/FST06-A1092     Document Type: Article

References (79)

1. "ITER Physics Basis," Nucl. Fusion, 39, 12, Chaps. 3, 6, 8 (1999).
2. K. MIYAMOTO, Plasma Physics for Nuclear Fusion, The MIT Press, Cambridge, Massachusetts (1976).
3. J. WESSON, Tokamaks, 3rd ed., Clarendon Press, Oxford (2004).
4. K. HOSHINO et al., "A Design of a Mode Converter for Electron Cyclotron Heating by the Method of Normal Mode Expansion," JAERI-M 83-148, Japan Atomic Energy Research Institute (1983).
5. K. HOSHINO et al., "Design Concepts and Performance Tests of the 60 GHz Electron Cyclotron Heating (ECH) System for the JFT-2M Tokamak," JAERI-M 85-169, Japan Atomic Energy Research Institute (1985).
6. K. HOSHINO, K. TAKAHASHI, and JFT-2M GROUP, Fusion Eng. Des., 53, 249 (2001).
7. R. J. LAHAYE et al., Nucl. Fusion, 21, 1425 (1981).
8. K. HOSHINO et al., J. Phys. Soc. Jpn., 54, 2503 (1984).
9. C. P. MOELLER et al., Phys. Fluids, 25, 1211 (1982).
10. K. HOSHINO, "Electron Cyclotron Heating (ECH) of Tokamak Plasmas," J. Nucl. Sci. Technol., 27, 391 (1990).
11. V. ERCKMANN and U. GASPARINO, "Electron Cyclotron Resonance Heating and Current Drive in Toroidal Fusion Plasmas," Plasma Phys. Control. Fusion, 36, 1869 (1994).
12. B. LLOYD, "Overview of ECRH Experimental Results," Plasma Phys. Control. Fusion, 40, A119 (1998).
13. R. PRATER, "Heating and Current Drive by Electron Cyclotron Waves," Phys. Plasmas, 11, 2349 (2004).
14. K. HOSHINO et al., "RF Current Drive (LHH+ECH) and Electron Cyclotron Heating Experiments on JFT-2M Tokamak," Proc. 12th European Conf. Controlled Fusion and Plasma Physics, Budapest, Hungary, 1985, Vol. 9F, Part II, p. 184 (1985).
15. K. HOSHINO et al., "Study of the Second Harmonic Electron Cyclotron Heating in JFT-2M Tokamak," JAERI-M 86-076, Japan Atomic Energy Research Institute (1986).
16. T. YAMAUCHI et al., Jpn. J. Appl. Phys., 37, 5735 (1998).
17. K. NAGASHIMA, K. HOSHINO, H. OGAWA, and K. HAMAMATSU, Nucl. Fusion, 35, 994 (1995).
18. K. ODAJIMA et al., "Confinement Studies of Additionally Heated Plasma in the JFT-2M Tokamak," Proc. 11th Conf. Plasma Physics and Controlled Nuclear Fusion Research, Kyoto, Japan, 1986, Vol. 1, p. 151, International Atomic Energy Agency (1987).
19. H. MATSUMOTO et al., "H-Mode Phenomena During ICRF Heating on JFT-2M," Nucl. Fusion, 27, 1181 (1987).
20. K. HOSHINO et al., "Observation of H-Mode by Electron Cyclotron Heating of JFT-2M Tokamak Preheated by a Neutral Beam," JAERI-M 87-096, Japan Atomic Energy Research Institute (1987).
21. K. HOSHINO et al., Nucl. Fusion, 28, 301 (1988).
22. S. SENGOKU et al., J. Phys. Soc. Jpn., 57, 903 (1988).
23. K. HOSHINO et al., "Observation of H-Mode by Edge Heating Solely by Electron Cyclotron Heating in a Divertor Configuration of JFT-2M Tokamak," JAERI-M 89-038, Japan Atomic Energy Research Institute (1989).
24. K. HOSHINO et al., Phys. Rev. Lett., 63, 770 (1989).
25. K. HOSHINO et al., J. Phys. Soc. Jpn., 56, 1750 (1987).
26. K. HOSHINO et al., Phys. Lett. A, 124, 299 (1987).
27. K. HOSHINO et al., J. Phys. Soc. Jpn., 58, 1248 (1989).
28. K. HOSHINO et al., Phys. Lett. A, 130, 26 (1988).
29. K. IDA et al., Phys. Rev. Lett., 65, 1364 (1990).
30. T. IDO et al., Phys. Rev. Lett., 88, 055006 (2002).
31. K. HOSHINO et al., "H-Mode by ECH on JFT-2M Tokamak: Potential and Radial Electric Field Structure at the Pedestal," Proc. H-Mode Workshop, Toki, Japan, 2001.
32. S. SENGOKU et al., J. Nucl. Mater., 145-147, 556 (1987).
33. K. UEHARA, A. TSUSHIMA, H. AMEMIYA, H. KAWASHIMA, and K. HOSHINO, Jpn. J. Appl. Phys., 42, 657 (2003).
34. K. HOSHINO et al., Phys. Rev. Lett., 69, 2208 (1992).
35. K. HOSHINO et al., "Suppression of Disruptions with ECH on JFT-2M," Proc. 10th Topl. Conf. Radio Frequency Power in Plasmas, Boston, Massachusetts, 1993, p. 149, American Institute of Physics (1994).
36. K. YOSHIOKA, S. KINOSHITA, and T. KOBAYASHI, Nucl. Fusion, 24, 565 (1984).
37. P. H. RUTHERFORD, in Proc. Basic Physical Processes of Toroidal Fusion Plasmas, Varenna, Italy, 1985, Vol. 2, p. 531, Commission of the European Communities (1986).
38. E. WESTERHOF and W. J. GOEDHEER, Plasma Phys. Control. Fusion, 30, 1691 (1988).
39. G. RAMPONI, E. LAZZARO, and S. NOWAK, Phys. Plasmas, 6, 3561 (1999).
40. K. HOSHINO et al., "Disruption Control by ECH in the JFT-2M Tokamak," Proc. 15th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Seville, Spain, 1994, Vol. 1, p. 697, International Atomic Energy Agency (1995).
41. G. KURITA, T. TUDA, M. AZUMI, T. TAKIZUKA, and T. TAKEDA, Nucl. Fusion, 34, 1497 (1994).
42. T. YAMAMOTO et al., "Improvement of RF Current Drive Density Limit in the JFT-2M Tokamak," Proc. 12th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Nice, France, 1988, Vol. 1, p. 733, International Atomic Energy Agency (1989).
43. T. YAMAMOTO et al., Phys. Rev. Lett., 63, 1148 (1989).
44. Y. UESUGI et al., Nucl. Fusion, 30, 297 (1990).
45. Y. UESUGI et al., Nucl. Fusion, 30, 831 (1990).
46. M. SAIGUSA et al., Nucl. Fusion, 33, 421 (1993).
47. T. OGAWA et al., Nucl. Fusion, 41, 1767 (2001).
48. M. SAIGUSA et al., Nucl. Fusion, 42, 412 (2002).
49. D. A. PHELPS, C. P. MOELLER, and H. IKEJI, in Proc. 11th Topl. Conf. Radio Frequency Power in Plasmas, Palm Springs, California, 1995, p. 380, American Institute of Physics (1996).
50. R. I. PINSKER et al., in Proc. 19th Symp. Fusion Technology, Lisbon, Portugal, 1996, Vol. 1, p. 629 (1997).
51. A. FUKUYAMA et al., Comput. Phys. Rep., 3-4, 137 (1986).
52. T. FUJII et al., "Plasma Heating near Lower-Hybrid Frequency in JFT-2 Tokamak," Proc. 7th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Innsbruck, Austria, 1978, Vol. 1, p. 85, International Atomic Energy Agency (1979).
53. Y. UESUGI et al., Nucl. Fusion, 25, 1623 (1985).
54. H. KAWASHIMA, T. MATOBA, Y. UESUGI, K. HOSHINO, and T. YAMAMOTO, J. Phys. Soc. Jpn., 56, 1348 (1987).
55. T. YAMAMOTO et al., "Electron Cyclotron Heating of Lower Hybrid Current Driven Plasma in the JFT-2M Tokamak," Proc. 11th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Kyoto, Japan, 1986, Vol. 1, p. 545, International Atomic Energy Agency (1987).
56. T. YAMAMOTO et al., Phys. Rev. Lett., 58, 2220 (1987).
57. H. KAWASHIMA et al., Nucl. Fusion, 31, 495 (1990).
58. H. KAWASHIMA et al., Jpn. J. Appl. Phys., 33, 3590 (1994).
59. T. MAEHARA et al., Nucl. Fusion, 38, 39 (1998).
60. A. FUKUYAMA et al., "Kinetic Description of Propagation and Absorption Structures of ICRF Waves," Nucl. Fusion, 23, 1005 (1983).
61. H. OGAWA et al., "Impurity Behavior During ICRF Heating in JFT-2," J. Nucl. Mater., 128-129, 298 (1984).
62. M. MORI et al., "High Power ICRF Heating Experiments in the JFT-2M Tokamak," Proc. 10th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, London, United Kingdom, Vol. 1, p. 445, International Atomic Energy Agency (1984).
63. H. TAMAI et al., "Impurity Reduction During ICRF Heating in JFT-2M Tokamak," Nucl. Fusion, 26, 365 (1986).
64. K. ITOH et al., "Possible Origin of Metal Impurities in ICRF Heating Experiments," Comments, Plasma Phys. Control. Fusion, 10, 91 (1986).
65. H. TAMAI et al., "Edge Plasma Characteristics During ICRF Heating on JFT-2M Tokamak," Fusion Eng. Des., 12, 25 (1990).
66. K. ODAJIMA et al., "Scaling of Incremental Energy Confinement Time in the JFT-2M Tokamak," Phys. Rev. Lett., 57, 2814 (1986).
67. S. SENGOKU et al., "Regime of Improved Confinement in Neutral-Beam-Heated Limiter Discharges of a Tokamak," Phys. Rev. Lett., 59, 450 (1987).
68. T. OGAWA et al., "Characteristics of ICRF Loading During the H-Mode in the JFT-2M Tokamak," Nucl. Fusion, 30, 499 (1990).
69. H. TAMAI et al., "Ion Bernstein Wave Experiment on JFT-2M Tokamak," Jpn. J. Appl. Phys., 29, 1911 (1990).
70. A. CARDINALI et al., "Linear Propagation and Absorption of Ion Bernstein Waves in Toroidal Geometry," Phys. Fluids B, 4, 3, 504 (1992).
71. K. IDA et al., Phys. Rev. Lett., 74, 1990 (1995).
72. T. SHOJI et al., "Divertor Bias Experiment on JFT-2M," Proc. 14th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Würzburg, Germany, 1992, Vol. 1, p. 323, International Atomic Energy Agency (1992).
73. S. OHDACHI et al., "Fluctuations and Transport of JFT-2M Scrape-Off Plasma," Plasma Phys. Control. Fusion, 36, A201 (1994).
74. H. TOYAMA et al., "Observation of Turbulence Suppression and Transport Reduction in the Presence of Sheared Flow," Proc. 15th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Seville, Spain, 1994, Vol. 1, p. 575, International Atomic Energy Agency (1995).
75. Y. Z. ZHANG and S. M. MAHAJAN, "Edge Turbulence Scaling with Shear Flow," Phys. Fluids B, 4, 1385 (1992).
76. T. SHOJI et al., "Divertor Plasma Modification by Divertor Biasing and Edge Ergodization in JFT-2M," J. Nucl. Mater., 220-222, 357 (1995).
77. H. TAMAI et al., "ELM Control and Boundary Plasma Modification in the JFT-2M Tokamak," Proc. 15th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Seville, Spain, 1994, Vol. 1, p. 137, International Atomic Energy Agency (1995).
78. M. MORI et al., "Plasma Improvements with Ergodic Magnetic Fields in JFT-2M," Proc. 14th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Würzburg, Germany, 1992, Vol. 2, p. 567, International Atomic Energy Agency (1993).
79. K. OHASA et al., "Plasma Response to External Rotating Magnetic Fields in the JFT-2M Tokamak," Proc. 15th Int. Conf. Plasma Physics and Controlled Nuclear Fusion Research, Seville, Spain, 1994, Vol. 2, p. 279, International Atomic Energy Agency (1995).