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Design of the interaction cavity extending to the nonlinear taper for a 10 kw, W-band gyrotron
Journal of Electromagnetic Waves and Applications ( IF 1.3 ) Pub Date : 2020-12-23 , DOI: 10.1080/09205071.2020.1865210
Santanu Karmakar 1, 2 , Jagadish C. Mudiganti 3
Affiliation  

ABSTRACT

In this paper, the design of an interaction structure for a 10-kW, W-band gyrotron is presented. The beam voltage and beam current are chosen as 30 kV and 1 A, respectively. The mode of interaction was chosen as TE6,2. A parametric design code and a gyro large-signal analysis (LSA) code were developed. The computational steps are discussed in brief. The LSA was done using the in-house developed code and the Gyro-K code. The results of these two codes were found to be in good agreement. The design of the nonlinear taper (NLT) was also carried out. Based on Ohmic loss, the power dissipated in the cavity was estimated. A novel cooling arrangement was proposed with two concentric cylindrical jackets around the cavity. The computational fluid dynamics (CFD) analysis was done using the software FloEFD. Steady-state analysis for the CW mode of operation and the transient analysis for the pulsed mode of operation were carried out for various flow-rates of the coolant.



中文翻译:

相互作用腔的设计扩展到10千瓦W波段回旋管的非线性锥度

摘要

在本文中,提出了一种10 kW W波段回旋管的相互作用结构的设计。束电压和束电流分别选择为30 kV和1A。相互作用的模式选择为TE6,2。开发了参数设计代码和陀螺大信号分析(LSA)代码。简要讨论了计算步骤。LSA是使用内部开发的代码和Gyro-K代码完成的。发现这两个代码的结果非常吻合。还进行了非线性锥度(NLT)的设计。根据欧姆损耗,可以估算腔体中的功耗。提出了一种新颖的冷却装置,该冷却装置在空腔周围具有两个同心的圆柱形外套。使用软件FloEFD进行了计算流体动力学(CFD)分析。

更新日期:2020-12-23
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