Study of confinement and LHCD efficiency on the HT-7 tokamak

X. Gao; Q. Xu; J. G. Li; J. F. Shan; L. Q. Hu; J. Y. Zhao

doi:10.1088/0741-3335/50/3/035006

Study of confinement and LHCD efficiency on the HT-7 tokamak

X. Gao
, Q. Xu
, J. G. Li
, J. F. Shan
, L. Q. Hu
, J. Y. Zhao

School of Electrical Engineering

CAS - Institute of Plasma Physics

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

High power heating of a lower hybrid wave (LHW) was performed (P _LHW ∼ 800 kW at 2.45 GHz) recently in the HT-7 tokamak. Lower hybrid current drive (LHCD) efficiency is studied for different injected powers and for different densities. Improved particle confinement is observed by the application of LHCD as characterized by an increase in the central line averaged electron density and the decrease in D_α emission. The particle confinement time (τ_p) increased by about 1.5 times. The dependence of energy confinement time (τ_E) on plasma density and LHW power is experimentally studied in detail.

Original language	English
Article number	035006
Journal	Plasma Physics and Controlled Fusion
Volume	50
Issue number	3
DOIs	https://doi.org/10.1088/0741-3335/50/3/035006
State	Published - 1 Mar 2008

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title = "Study of confinement and LHCD efficiency on the HT-7 tokamak",

abstract = "High power heating of a lower hybrid wave (LHW) was performed (P LHW ∼ 800 kW at 2.45 GHz) recently in the HT-7 tokamak. Lower hybrid current drive (LHCD) efficiency is studied for different injected powers and for different densities. Improved particle confinement is observed by the application of LHCD as characterized by an increase in the central line averaged electron density and the decrease in Dα emission. The particle confinement time (τp) increased by about 1.5 times. The dependence of energy confinement time (τE) on plasma density and LHW power is experimentally studied in detail.",

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T1 - Study of confinement and LHCD efficiency on the HT-7 tokamak

AU - Gao, X.

AU - Xu, Q.

AU - Li, J. G.

AU - Shan, J. F.

AU - Hu, L. Q.

AU - Zhao, J. Y.

PY - 2008/3/1

Y1 - 2008/3/1

N2 - High power heating of a lower hybrid wave (LHW) was performed (P LHW ∼ 800 kW at 2.45 GHz) recently in the HT-7 tokamak. Lower hybrid current drive (LHCD) efficiency is studied for different injected powers and for different densities. Improved particle confinement is observed by the application of LHCD as characterized by an increase in the central line averaged electron density and the decrease in Dα emission. The particle confinement time (τp) increased by about 1.5 times. The dependence of energy confinement time (τE) on plasma density and LHW power is experimentally studied in detail.

AB - High power heating of a lower hybrid wave (LHW) was performed (P LHW ∼ 800 kW at 2.45 GHz) recently in the HT-7 tokamak. Lower hybrid current drive (LHCD) efficiency is studied for different injected powers and for different densities. Improved particle confinement is observed by the application of LHCD as characterized by an increase in the central line averaged electron density and the decrease in Dα emission. The particle confinement time (τp) increased by about 1.5 times. The dependence of energy confinement time (τE) on plasma density and LHW power is experimentally studied in detail.

UR - https://www.scopus.com/pages/publications/43049137306

U2 - 10.1088/0741-3335/50/3/035006

DO - 10.1088/0741-3335/50/3/035006

M3 - 文章

AN - SCOPUS:43049137306

SN - 0741-3335

VL - 50

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - 3

M1 - 035006

ER -

Study of confinement and LHCD efficiency on the HT-7 tokamak

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