Abstract
The effects of finite Larmor radius (FLR) and diamagnetic drift on the current diffusive ballooning mode is studied. Starting from the reduced magnetohydrodynamic equations which include the effects of turbulent transport, the coupling with drift motion and the FLR effect of ions, we derive a ballooning mode equation with complex transport coefficients. The eigenfrequency, saturation amplitude and transport coefficients are evaluated numerically from the marginal stability condition. We found that the FLR effect increases the electron transport coefficients and that the finite drift frequency leads to the reduction of transport coefficients or the stabilization of the mode.
| Original language | English |
|---|---|
| Pages (from-to) | 2495-2511 |
| Number of pages | 17 |
| Journal | Plasma Physics and Controlled Fusion |
| Volume | 44 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - Dec 1 2002 |
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All Science Journal Classification (ASJC) codes
- Nuclear Energy and Engineering
- Condensed Matter Physics
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Analysis of current diffusive ballooning mode including kinetic effects. / Uchida, M.; Fukuyama, A.; Itoh, K.; Itoh, Sanae; Yagi, M.
In: Plasma Physics and Controlled Fusion, Vol. 44, No. 12, 01.12.2002, p. 2495-2511.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Analysis of current diffusive ballooning mode including kinetic effects
AU - Uchida, M.
AU - Fukuyama, A.
AU - Itoh, K.
AU - Itoh, Sanae
AU - Yagi, M.
PY - 2002/12/1
Y1 - 2002/12/1
N2 - The effects of finite Larmor radius (FLR) and diamagnetic drift on the current diffusive ballooning mode is studied. Starting from the reduced magnetohydrodynamic equations which include the effects of turbulent transport, the coupling with drift motion and the FLR effect of ions, we derive a ballooning mode equation with complex transport coefficients. The eigenfrequency, saturation amplitude and transport coefficients are evaluated numerically from the marginal stability condition. We found that the FLR effect increases the electron transport coefficients and that the finite drift frequency leads to the reduction of transport coefficients or the stabilization of the mode.
AB - The effects of finite Larmor radius (FLR) and diamagnetic drift on the current diffusive ballooning mode is studied. Starting from the reduced magnetohydrodynamic equations which include the effects of turbulent transport, the coupling with drift motion and the FLR effect of ions, we derive a ballooning mode equation with complex transport coefficients. The eigenfrequency, saturation amplitude and transport coefficients are evaluated numerically from the marginal stability condition. We found that the FLR effect increases the electron transport coefficients and that the finite drift frequency leads to the reduction of transport coefficients or the stabilization of the mode.
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U2 - 10.1088/0741-3335/44/12/301
DO - 10.1088/0741-3335/44/12/301
M3 - Article
AN - SCOPUS:0036953090
VL - 44
SP - 2495
EP - 2511
JO - Plasma Physics and Controlled Fusion
JF - Plasma Physics and Controlled Fusion
SN - 0741-3335
IS - 12
ER -