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Beam power measurement usually adopts water flow calorimetry (WFC) for neutral beam injector. In this article a calculation model of beam power for EAST neutral beam injector was given basing on thermocouples installed in the calorimeter plate. In order to obtain calculation model: (1) the heat flux of the surface of beam stopping elements was calculated using heat transfer science, (2) the processing...
Distributed thermocouple measurement will be used on EAST neutral beam injection beam angular divergence measurement. In order to obtain calculation model of beam angular divergence: (1) the structure of accelerating electrodes are analyzed, (2) mathematic derivations of beam intensity distribution for neutral beam is given basing on theory of Gaussian distribution, (3) the processing method of experiment...
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