Ion-Bernstein-Wave Heating in the JIPPT-II-U Tokamak Plasma

M. Ono; T. Watari; R. Ando; J. Fujita; Y. Hirokura; K. Ida; E. Kako; K. Kawahata; Y. Kawasumi; K. Matsuoka; A. Nishizawa; N. Noda; I. Ogawa; K. Ohkubo; M. Okamoto; K. Sato; S. Tanahashi; Y. Taniguchi; T. Tetsuka; K. Toi; K. Yamazaki

doi:10.1103/PhysRevLett.54.2339

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Ion-Bernstein-Wave Heating in the JIPPT-II-U Tokamak Plasma

M. Ono^*, T. Watari, R. Ando, J. Fujita, Y. Hirokura, K. Ida^*, E. Kako, K. Kawahata, Y. Kawasumi et al.

K. Matsuoka, A. Nishizawa, N. Noda, I. Ogawa, K. Ohkubo, M. Okamoto, K. Sato, S. Tanahashi, Y. Taniguchi, T. Tetsuka, K. Toi, and K. Yamazaki

Institute of Plasma Physics, Nagoya University, Nogoya 464, Japan

^*Permanent Address: Princeton Plasma Physics Laboratory, Princeton, N.J. 08544.

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Phys. Rev. Lett. 54, 2339 – Published 27 May, 1985

DOI: https://doi.org/10.1103/PhysRevLett.54.2339

Abstract

Ion-Bernstein-wave heating is investigated in the JIPPT-II-U tokamak plasma, ${\bar{n}}_{e} ≃ 1.5 \times 10^{13}$ ${cm}^{- 3}$ , $T_{e 0} ≃ 700$ eV, and $T_{i 0} ≃ 300$ eV for $P_{rf} ≲ 100$ kW. When the $\frac{3}{2} Ω_{H}$ layer is placed near the plasma minor axis, the bulk-hydrogen-ion temperature shows a significant rise, $Δ T_{i ⊥} <~ 700$ eV and $Δ T_{i ∥} <~ 300$ eV. The ion-heating dependence on the magnetic field and rf power suggests a presence of a direct bulk-hydrogen heating mechanism at $ω ≃ \frac{3}{2} Ω_{H}$ .

References (11)

M. Ono et al., in Heating in Toroidal Plasmas II, edited by E. Cannobbio (Pergamon, New York, 1981), Vol. 1, p. 593
M. Ono, G. A. Wurden, and K. L. Wong, Phys. Rev. Lett. 52, 37 (1984)
T. Amano et al., in Proceedings of the Ninth International Conference on Plasma Physics and Controlled Nuclear Fusion Research, Baltimore, 1982 (IAEA, Vienna, 1983)
T. Watari et al., Phys. Fluids 21, 2076 (1978) , Nucl. Fusion 22, 1359 (1983)
F. Skiff, Ph.D. thesis, Princeton University, 1984 (unpublished)
M. Ono, F. Skiff, and K. L. Wong, Bull. Am. Phys. Soc. 28, 1126 (1983)
M. Ono, K. L. Wong, and G. A. Wurden, Phys. Fluids 26, 298 (1983)
C. Singer et al., Princeton Plasma Physics Laboratory Report No. PPPL-2073, 1984 (unpublished)
H. Abe et al., Phys. Rev. Lett. 53, 1153 (1984)
M. N. Rosenbluth et al., Ann. Phys. (N.Y.) 55, 248 (1969)
M. Porkolab, Phys. Rev. Lett. 54, 434 (1985)

[c1] M. Ono et al., in Heating in Toroidal Plasmas II, edited by E. Cannobbio (Pergamon, New York, 1981), Vol. 1, p. 593

[c2] M. Ono, G. A. Wurden, and K. L. Wong, Phys. Rev. Lett. 52, 37 (1984)

[c3] T. Amano et al., in Proceedings of the Ninth International Conference on Plasma Physics and Controlled Nuclear Fusion Research, Baltimore, 1982 (IAEA, Vienna, 1983)

[c4] T. Watari et al., Phys. Fluids 21, 2076 (1978) , Nucl. Fusion 22, 1359 (1983)

[c5] F. Skiff, Ph.D. thesis, Princeton University, 1984 (unpublished)

[c6] M. Ono, F. Skiff, and K. L. Wong, Bull. Am. Phys. Soc. 28, 1126 (1983)

[c7] M. Ono, K. L. Wong, and G. A. Wurden, Phys. Fluids 26, 298 (1983)

[c8] C. Singer et al., Princeton Plasma Physics Laboratory Report No. PPPL-2073, 1984 (unpublished)

[c9] H. Abe et al., Phys. Rev. Lett. 53, 1153 (1984)

[c10] M. N. Rosenbluth et al., Ann. Phys. (N.Y.) 55, 248 (1969)

[c11] M. Porkolab, Phys. Rev. Lett. 54, 434 (1985)

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Ion-Bernstein-Wave Heating in the JIPPT-II-U Tokamak Plasma

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