Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 59 / Number 4 / Pages 631-639
Baonian Wan, Changxuan Yu, Perry Philippe, N. C. Luhmann, Ti Ang, C. W. Domier, Binxi Gao, Kenneth Gentle, He Huang, Erzhong Li, Bili Ling, Wandong Liu, Yong Liu, Ron Prater, William Rowan, Zuowei Shen, Gary Taylor, Benjamin John Tobias, Jian Wang, Jun Wang, Yizhi Wen, Zhenggang Xia, Han Xiang, Jinlin Xie, Ming Xu, Xiaoyuan Xu
Fusion Science and Technology / Volume 59 / Number 4 / Pages 631-639
Format:electronic copy (download)
A program of electron cyclotron heating (ECH) with 4 MW at 140 GHz has been launched for developing scenarios of stable high performance through control of the pressure and current density profiles on the EAST tokamak. Several electron cyclotron emission (ECE) diagnostics are under development as important components of the research program on EAST. The smaller HT-7 tokamak is equipped with a multichannel superheterodyne radiometer and an ECE imaging system. Physics issues including fluctuations driven by electron and ion modes, low frequency zonal flows, magnetic reconnection mechanisms, etc. were investigated on HT-7 using these two systems, which have been moved to EAST after some modifications. New systems, including a 32-channel ECE system and an ECE imaging system of 24(radial) × 16(vertical) channels, are under development. These new systems are designed for the ECH plasma regimes and provide long-range correlation measurements of plasma turbulence. A grating polychromator ECE system has been installed for measurement of the Te profile covering the whole operational range of toroidal magnetic field on EAST.
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