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Optimization of Lower Hybrid Current Drive Efficiency for EAST Plasma with Non-Circular Cross Section and Finite Aspect-Ratio
Shi, XJ; Hu, YM; Gao, Z
2012
Source PublicationPLASMA SCIENCE & TECHNOLOGY
AbstractThe two-dimensional equilibrium with flexible boundaries is solved via using a MATLAB Equilibrium Code (MEC), which has applied the finite element method to handle the changeable plasma shape and employed the trust-region dogleg method to solve the nonlinear partial differential equation. The corresponding driven current profile is also calculated by coupling with the lower-hybrid simulation code (LSC). The results are applied to optimize the lower hybrid current drive (LHCD) efficiency for the Experimental Advanced Superconductor Tokamak (EAST) and suggested that both elongation and triangularity have a notable effect on the efficiency because of the competition between the increase in the resonant area and in the Shafranov shift. Moreover, large aspect-ratio has a negative effect on the efficiency. These effects are studied numerically, which might be considered carefully for both good plasma confinement and high LHCD efficiency.
Subject Area等离子体物理与核聚变研究
WOS IDWOS:000302786200006
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/5710
Collection中科院等离子体物理研究所
Recommended Citation
GB/T 7714
Shi, XJ,Hu, YM,Gao, Z. Optimization of Lower Hybrid Current Drive Efficiency for EAST Plasma with Non-Circular Cross Section and Finite Aspect-Ratio[J]. PLASMA SCIENCE & TECHNOLOGY,2012.
APA Shi, XJ,Hu, YM,&Gao, Z.(2012).Optimization of Lower Hybrid Current Drive Efficiency for EAST Plasma with Non-Circular Cross Section and Finite Aspect-Ratio.PLASMA SCIENCE & TECHNOLOGY.
MLA Shi, XJ,et al."Optimization of Lower Hybrid Current Drive Efficiency for EAST Plasma with Non-Circular Cross Section and Finite Aspect-Ratio".PLASMA SCIENCE & TECHNOLOGY (2012).
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