Lower-hybrid wave propagation domains in Tokomaks, implication for current drive

1997 ◽  
Author(s):  
J.-G. Wégrowe
Keyword(s):  
Wave Propagation ◽  
Current Drive ◽  
Lower Hybrid ◽  
Hybrid Wave ◽  
Lower Hybrid Wave

scholarly journals Experimental studies of lower hybrid wave propagation

1976 ◽  
Vol 19 (7) ◽  
pp. 995 ◽  
Author(s):  
P. M. Bellan ◽  
Miklos Porkolab
Keyword(s):  
Wave Propagation ◽  
Experimental Studies ◽  
Lower Hybrid ◽  
Hybrid Wave ◽  
Lower Hybrid Wave

Experimental measurements of lower‐hybrid wave propagation in the Versator II tokamak using microwave scattering

1991 ◽  
Vol 3 (8) ◽  
pp. 2101-2112 ◽  
Author(s):  
R. Rohatgi ◽  
K.‐I. Chen ◽  
G. Bekefi ◽  
P. Bonoli ◽  
S. C. Luckhardt ◽  
...  
Keyword(s):  
Wave Propagation ◽  
Lower Hybrid ◽  
Experimental Measurements ◽  
Hybrid Wave ◽  
Lower Hybrid Wave ◽  
Microwave Scattering

Observation of Parametric Decay of a Pumping Wave in Lower Hybrid Wave Heating and Current Drive Experiments at the FT-2 Tokamak

2019 ◽  
Vol 45 (12) ◽  
pp. 1134-1141 ◽  
Author(s):  
V. V. D’yachenko ◽  
A. N. Konovalov ◽  
A. Yu. Stepanov ◽  
A. B. Altukhov ◽  
E. Z. Gusakov ◽  
...  
Keyword(s):  
Current Drive ◽  
Lower Hybrid ◽  
Hybrid Wave ◽  
Lower Hybrid Wave ◽  
Parametric Decay ◽  
Wave Heating

scholarly journals Full wave simulations of lower hybrid wave propagation in tokamaks

2009 ◽  
Author(s):  
J. C. Wright ◽  
P. T. Bonoli ◽  
C. K. Phillips ◽  
E. Valeo ◽  
R. W. Harvey ◽  
...  
Keyword(s):  
Wave Propagation ◽  
Lower Hybrid ◽  
Hybrid Wave ◽  
Lower Hybrid Wave ◽  
Full Wave

Outline of a theory of lower-hybrid wave absorption

1993 ◽  
Vol 50 (2) ◽  
pp. 251-266
Author(s):  
E. Canobbio ◽  
R. Croci
Keyword(s):  
Homogeneous Magnetic Field ◽  
Current Drive ◽  
Lower Hybrid ◽  
Hybrid Wave ◽  
Lower Hybrid Wave ◽  
Linear Diffusion ◽  
Neighbouring Region ◽  
Nonlinear Relation ◽  
Single Path ◽  
Component Parallel

This paper outlines a theory of absorption of lower-hybrid (LH) waves in an electron plasma that is based on the nonlinear relation between grad │E3│2, where E3 is the electric field component parallel to the external homogeneous magnetic field, and the space dependent quasi-linear diffusion coefficient, and consequently between grad │E3│2 and the absorption. A local absorption induces an increase of the value of the gradient in the neighbouring region and thereby extends the absorption domain. In this way virtually total ‘single-path’ absorption of the injected LH power is obtained. The theory also allows an explanation of the density limit in current drive.

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