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Helicon and lower hybrid current drive comparisons in tokamak geometry

Harvard Dataverse (Africa Rice Center, Bioversity International, CCAFS, CIAT, IFPRI, IRRI and WorldFish)

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Title Helicon and lower hybrid current drive comparisons in tokamak geometry
 
Identifier https://doi.org/10.7910/DVN/OBWJGP
 
Creator Peter J. Catto, Muni Zhou,
 
Publisher Harvard Dataverse
 
Description The parallel current driven by applied helicon waves is evaluated in tokamak geometry along with the radio frequency (rf) power absorbed by the passing electrons. The results are compared to the corresponding expressions for lower hybrid current drive. The efficiency of both current drive schemes is found to be the same in the single wave frequency, single mode number limit. The evaluation of the parallel currents is performed using an adjoint technique and tokamak geometry is retained by using an eigenfunction expansion appropriate for a transit averaged long mean free path treatment of electrons making correlated poloidal passes through the applied rf fields.
 
Subject Physics
helicon
Landau resonance
LHCD
Lower hybrid
Whistler waves
 
Date 2024-03-05