2450MHz/15kW连续波磁控管阳极的多物理场分析  

Multiphysical Field Analysis of the Anode for a 2450 MHz/15 kW Continuous-wave Magnetron

作　　者：莫亚霖 杨道川 沈大贵 MO Ya-lin;YANG Dao-chuan;SHEN Da-gui(Chengdu Guoguang Electric Co.,Ltd.,Chengdu 610100,China)

机构地区：[1]成都国光电气股份有限公司,四川成都610100

出　　处：《真空电子技术》2024年第6期66-70,共5页Vacuum Electronics

摘　　要：简单分析了磁控管阳极的受热情况,推导了扇槽形腔阳极叶片工作端面温度的计算方法,并对2450 MHz/15 kW连续波磁控管阳极进行了电磁热流固多物理场数值仿真,分析了冷却水流量对磁控管温度场及热变形的影响,以及阳极内部温度分布对磁控管频率漂移和品质因数的影响,为磁控管的生产和使用提供一些参考。The heating condition of magnetron anode is analyzed briefly.The calculation method for the working end face temperature of the anode blade in a fan-shaped cavity is derived,and the electromagnetic thermal fluid-solid multi-physics field numerical simulation on the anode for a 2450 MHz/15 kW continuous-wave magne-tron is conducted.The influence of cooling water flow rate on the temperature field and thermal deformation of the magnetron,as well as the influence of the internal temperature distribution of the anode on the frequency drift and quality factor of the magnetron are analyzed,providing some references for the production and use of magnetrons.

关 键 词：磁控管 多物理场 冷却水流量 热变形 频率漂移 

分 类 号：TN11[电子电信—物理电子学] TN483