First experimental results of intrinsic torque on EAST
PLASMA SCIENCE & TECHNOLOGY(2020)
摘要
Direct measurements of the intrinsic torque profile in L-mode plasmas on the EAST tokamak have been performed using the balanced neutral beam injection. Co- and counter-current neutral beams are modulated to balance the intrinsic and externally injected torques, which result in the rotation profile close to zero and flat. The experimental results show that the intrinsic torque derived from momentum balance equations is found to be in the co-current direction, peaked in the plasma edge and negligibly small in the core.
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关键词
intrinsic torque,balanced injection,momentum transport
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