On Amplification of Ion-Acoustic Mode in Burning Plasma in Presence of Drift Wave Turbulence

2018 ◽  
Vol 37 (6) ◽  
pp. 301-307 ◽  
Author(s):  
P. N. Deka ◽  
J. K. Deka
Keyword(s):  
Acoustic Mode ◽  
Wave Turbulence ◽  
Drift Wave Turbulence ◽  
Drift Wave ◽  
Burning Plasma ◽  
Ion Acoustic

Excitation of geodesic acoustic mode continuum by drift wave turbulence

2012 ◽  
Vol 78 (6) ◽  
pp. 651-655 ◽  
Author(s):  
JUN YU ◽  
J. Q. DONG ◽  
X. X. LI ◽  
D. DU ◽  
X. Y. GONG
Keyword(s):  
Growth Rate ◽  
Acoustic Mode ◽  
Kinetic Approach ◽  
Wave Turbulence ◽  
Ion Temperature ◽  
Drift Wave Turbulence ◽  
Acoustic Modes ◽  
Drift Wave ◽  
Radial Structure ◽  
Geodesic Acoustic Mode

AbstractExcitation of the geodesic acoustic mode continuum by drift wave turbulence is studied using the wave kinetic approach. For a model profile of weak non-uniform ion temperature, the forms of growth rate and radial structure of geodesic acoustic modes are obtained analytically. The growth rate is analyzed for several conditions for present-day tokamaks and compared with that for uniform ion temperature, as well as that given by the coherent mode approach for non-uniform ion temperature.

Theory of electric‐field curvature effects on long‐wavelength drift wave turbulence

1994 ◽  
Vol 1 (5) ◽  
pp. 1142-1153 ◽  
Author(s):  
K. L. Sidikman ◽  
B. A. Carreras ◽  
P. H. Diamond ◽  
L. Garcia
Keyword(s):  
Electric Field ◽  
Wave Turbulence ◽  
Long Wavelength ◽  
Drift Wave Turbulence ◽  
Curvature Effects ◽  
Drift Wave ◽  
Field Curvature

Resistive coupling in drift wave turbulence

1996 ◽  
Vol 38 (12) ◽  
pp. 2143-2154 ◽  
Author(s):  
Thomas Sunn Pedersen ◽  
Poul K Michelsen ◽  
Jens Juul Rasmussen
Keyword(s):  
Wave Turbulence ◽  
Drift Wave Turbulence ◽  
Drift Wave

Suppression of shear damping in drift wave turbulence

1985 ◽  
Vol 109 (1-2) ◽  
pp. 34-38 ◽  
Author(s):  
D. Biskamp ◽  
M. Walter
Keyword(s):  
Wave Turbulence ◽  
Drift Wave Turbulence ◽  
Drift Wave ◽  
Shear Damping

Spectrum Cascade by Mode Coupling in Drift-Wave Turbulence

1978 ◽  
Vol 41 (21) ◽  
pp. 1470-1473 ◽  
Author(s):  
Akira Hasegawa ◽  
Yuji Kodama
Keyword(s):  
Mode Coupling ◽  
Wave Turbulence ◽  
Drift Wave Turbulence ◽  
Drift Wave
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