Analysis of the Pipe Heat Loss of the Water Flow Calorimetry System in EAST Neutral Beam Injector

HU Chundong (胡纯栋); CHEN Yu (陈宇); XU Yongjian (许永建); YU Ling (于玲); LI Xiang (栗翔); ZHANG Weitang (张为堂); NBI Group

doi:10.1088/1009-0630/18/11/13

Plasma Science and Technology > 2016 > 18(11): 1139-1142. > DOI: 10.1088/1009-0630/18/11/13

HU Chundong (胡纯栋), CHEN Yu (陈宇), XU Yongjian (许永建), YU Ling (于玲), LI Xiang (栗翔), ZHANG Weitang (张为堂), NBI Group. Analysis of the Pipe Heat Loss of the Water Flow Calorimetry System in EAST Neutral Beam Injector[J]. Plasma Science and Technology, 2016, 18(11): 1139-1142. DOI: 10.1088/1009-0630/18/11/13

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Analysis of the Pipe Heat Loss of the Water Flow Calorimetry System in EAST Neutral Beam Injector

Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China

Funds: supported by the National Magnetic Confinement Fusion Science Program of China (No. 2013GB101001) and the International Science & Technology Cooperation Program of China (No. 2014DFG61950)

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Received Date: February 09, 2016

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Abstract

Abstract

Neutral beam injection heating is one of the main auxiliary heating methods in controllable nuclear fusion research. In the EAST neutral beam injector, a water flow calorimetry (WFC) system is applied to measure the heat load on the electrode system of the ion source and the heat loading components of the beamline. Due to the heat loss in the return water pipe, there are some measuring errors for the current WFC system. In this paper, the errors were measured experimentally and analyzed theoretically, which lay a basis for the exact calculation of beam power deposition distribution and neutralization efficiency.
- water flow calorimetry,
- power deposition,
- neutral beam injection,
- heat loss

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References

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