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Design and Simulation of Transversal Field Sweeping System for W-Band Gyrotron Collector
Pages: 1247-1253
Year: Issue:  11
Journal: Vacuum Science and Technology

Keyword:  W-bandGyrotronsCollectorTFSSPower density;
Abstract: Thetransverse field sweeping system( TFSS) of the high power,W-band continuous wave( CW) gyrotron collector was modeled,analyzed in the electron-magnetic theory,and numerically simulated and designed with software particle-in-cell( PIC). The impact of the perturbation of the optimized TFSS,including its location and coil current,on the power density of the collector was investigated. The simulated results show that the power density,≤130 W / cm2,uniformly distributed in the collector. Moreover,the influence of the uniform and non-uniform heat fluxes and single-channel water cooling on the temperature distributions on the surfaces of the collector was calculated with software ANSYS. The thermal analysis show that the single-channel water cooling does a good job and that the temperature difference between the inside / outside surfaces of the collector strongly depends on the heating modes.The temperature difference heated by non-uniform heat-flux was 20℃ higher than that heated by uniform heat-flux.
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