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LHCD experiments on the HL-1 M tokamak

Yong Liu, Li Xiaodong, Rao Jun, Siwen Xue, Xuan Weimin, Yuan Yong, Hong Wenyu

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Abstract

おhe paper presents the study of lower hybrid current drive (LHCD) on the HL1M tokamak.During LHCD particle confinement was improved and the MHD disturbances were suppressed completely.In the case of high density,the plasma was heated greatly by the lower hybrid wave (LHW). Analysis shows that mechanism of improvement of particle confinement links to the redistribution of radial electric field while LHW heating of ions is related to the parametric decay instability (PDI).

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What this paper is about

おhe paper presents the study of lower hybrid current drive (LHCD) on the HL1M tokamak.During LHCD particle confinement was improved and the MHD disturbances were suppressed completely.In the case of high density,the plasma was heated greatly by the lower hybrid wave (LHW). Analysis shows that mechanism of improvement of particle confinement links to the redistribution of radial electric field while LHW heating of ions is related to the parametric decay instability (PDI).

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Available abstract

おhe paper presents the study of lower hybrid current drive (LHCD) on the HL1M tokamak.During LHCD particle confinement was improved and the MHD disturbances were suppressed completely.In the case of high density,the plasma was heated greatly by the lower hybrid wave (LHW). Analysis shows that mechanism of improvement of particle confinement links to the redistribution of radial electric field while LHW heating of ions is related to the parametric decay instability (PDI).

Key concepts: Tokamak, Lower hybrid oscillation, Plasma, Magnetohydrodynamics, Instability, Ion, Atomic physics, Redistribution (election)

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