Dynamic thermal dissipation of cathode module in electron gun of traveling wave tube(TWT) were theoretically simulated with a newly-developed model.

• 阴极作为行波管的“心脏”,其内部结构的热耗散是影响行波管预热时间的关键问题,热传导和热辐射是引起阴极组件内部热耗散的最重要因素。