Ion temperature gradient driven turbulence with strong trapped ion resonance

被引：15

作者：

Kosuga, Y. ^{[1
,2
]}

Itoh, S-I. ^{[2
,3
]}

Diamond, P. H. ^{[4
,5
,6
]}

Itoh, K. ^{[3
,7
]}

Lesur, M. ^{[2
]}

机构：

[1] Kyushu Univ, Inst Adv Study, Fukuoka 8168580, Japan

[2] Kyushu Univ, Appl Mech Res Inst, Fukuoka 8168580, Japan

[3] Kyushu Univ, Res Ctr Plasma Turbulence, Fukuoka 8168580, Japan

[4] Univ Calif San Diego, CASS, La Jolla, CA 92093 USA

[5] Univ Calif San Diego, CMTFO, La Jolla, CA 92093 USA

[6] Natl Fus Res Inst, WCI Ctr Fus Theory, Taejon, South Korea

[7] Natl Inst Fus Sci, Gifu, Japan

来源：

PHYSICS OF PLASMAS | 2014年 / 21卷 / 10期

关键词：

ENERGETIC PARTICLES; INSTABILITIES; RELAXATION; PLASMA; CLUMPS;

D O I：

10.1063/1.4897179

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A theory to describe basic characterization of ion temperature gradient driven turbulence with strong trapped ion resonance is presented. The role of trapped ion granulations, clusters of trapped ions correlated by precession resonance, is the focus. Microscopically, the presence of trapped ion granulations leads to a sharp (logarithmic) divergence of two point phase space density correlation at small scales. Macroscopically, trapped ion granulations excite potential fluctuations that do not satisfy dispersion relation and so broaden frequency spectrum. The line width from emission due only to trapped ion granulations is calculated. The result shows that the line width depends on ion free energy and electron dissipation, which implies that non-adiabatic electrons are essential to recover non-trivial dynamics of trapped ion granulations. Relevant testable predictions are summarized. (C) 2014 AIP Publishing LLC.

引用

页数：10

共 50 条

[41] Quasicoherent structures in ion temperature gradient turbulence
Tinkle, MD
Sen, AK
[J]. PHYSICS OF PLASMAS, 1996, 3 (11) : 4287 - 4289
[42] Simulation of ion temperature gradient turbulence in tokamaks
Dimits, AM
Cohen, BI
Mattor, N
Nevins, WM
Shumaker, DE
Parker, SE
Kim, C
[J]. NUCLEAR FUSION, 2000, 40 (3Y) : 661 - 666
[43] The long wavelength behaviour of ion-temperature-gradient-driven turbulence and the radial dependence of the turbulent ion conductivity
Ottaviani, M
Horton, W
Erba, M
[J]. PLASMA PHYSICS AND CONTROLLED FUSION, 1997, 39 (09) : 1461 - 1477
[44] The phase-space structure of a nonlinear ion diffusion tensor in ion-temperature-gradient-driven turbulence
Sun, Shiqiao
Li, Yuesong
Wang, Zihao
Wang, Shaojie
[J]. NUCLEAR FUSION, 2023, 63 (08)
[45] TRAPPED ION MODE DRIVEN BY ION MAGNETIC DRIFT RESONANCE IN A FAT TORUS
TAGGER, M
LAVAL, G
PELLAT, R
[J]. NUCLEAR FUSION, 1977, 17 (01) : 109 - 113
[46] Ion temperature gradient modes and the fraction of trapped electrons
Malinov, P
Zonca, F
[J]. JOURNAL OF PLASMA PHYSICS, 2005, 71 : 301 - 313
[47] COLLISIONLESS TRAPPED ION TEMPERATURE-GRADIENT INSTABILITIES
LI, JQ
DING, HC
[J]. COMMUNICATIONS IN THEORETICAL PHYSICS, 1995, 23 (04) : 487 - 494
[48] Comparison between kinetic and fluid simulations of slab ion temperature gradient driven turbulence
Sugama, H
Watanabe, TH
Horton, W
[J]. PHYSICS OF PLASMAS, 2003, 10 (03) : 726 - 736
[49] Plasma beta dependence of ion temperature gradient driven turbulence influenced by Shafranov shift
Niiro, M.
Ishizawa, A.
Nakamura, Y.
Maeyama, S.
Watanabe, T-H
[J]. PLASMA PHYSICS AND CONTROLLED FUSION, 2023, 65 (06)
[50] ION-TEMPERATURE-GRADIENT-DRIVEN TURBULENCE AND TRANSPORT IN A SHEARED MAGNETIC-FIELD
DIMITS, AM
DRAKE, JF
GUZDAR, PN
HASSAM, AB
[J]. PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1991, 3 (03): : 620 - 626

← 1 2 3 4 5 →