用于毫米波辐射非致命生物效应的94GHz回旋管设计与实验(英文)
发布时间:2021-04-17 19:56
设计和测试了内嵌准光系统的94 GH z回旋管,该系统主要用于研究毫米波辐射的非致命生物效应。为了减少大功率高频下的回旋管壁面加热问题,选择TE+6,2模式作为工作模式。对于高阶模式,存在更多相邻模式,因此模式竞争会影响实验的稳定性和有效的可操作性。渐变腔已被设计为抑制单个腔中的模式竞争。另外,具有低衍射准光模式变换器的功率转换效率为98.54%。实验结果表明,回旋管输出功率为50.9 kW,效率为34.3%。对于非致死的生物效应研究,整体设计方案达到了预期的效果。
【文章来源】:红外与毫米波学报. 2020,39(02)北大核心EISCICSCD
【文章页数】:6 页
【图文】:
图1腔体结构与电场分布的关系图??
?wall?of?the?wave???guide.?The?eigen?modes?in?a?circular?waveguide?will?cou-??0??2.8?3?3.2?3.4?3.6?3.8?4??Magnetic?field^S/T??Fig.?2?The?normalized?beam-wave?coupling?coefficient?of?the??dominant?and?competitive?modes?varies?with?beam?radius??图2主模和竞争模式的归一化注波親合系数随波束半径变化??Fig.?3?The?starting?current?of?the?operating?mode?and?the?mam??competitive?mode?varies?with?the?external?magnetic?field,?where??the?beam?voltage?of?30?kV,?beam?radius?of?3.?3?mm?and?trans-??verse-to-axial?velocity?ratio?of?1.?3?were?selected??图3工作模式和主要竞争模式的起振电流随外磁场变化,其??中选取了?30?kV的电子注电压、3.?3?mm的电子注半径和1.?3的??横轴速比??GHz?and?100?GHz?and?the?beam-wave?coupling?of?rela???tive?to?the?main?mode?is?greater?than?70%?were?selected.??The?startup?simulation?is?
0?400?800?1200?1600?2000??time/ns??Fig.?4?The?startup?of?multi-mode?beam-wave?interaction,?where??the?beam?voltage?of?40?kV,?beam?current?of?4A,?transverse-to-??axial?velocity?ratio?of?1.?3,?beam?radius?of?3.?3?mm??图4多模式注波相互作用的起振,其中电子注电压为40kV,??电子注电流为4?A,横轴速度比为1.?3,电子注半径为3.?3?mm??to?be?2.?7%?and?4.?0%.?The?trajectories?and?structure?are??shown?in?Fig.?5.?The?specific?parameters?of?optimized??beam?are?presented?in?Table?1.??Fig.?5?The?trajectory?and?structure?of?the?designed?MIG??图5设计的磁控注入枪的轨迹和结构??Table?1?Optimized?beam?parameters?and?MIG?geometry??表1优化的电子注参数和磁控注入枪的几何结构?1??Parameters??Values??Beam?voltage??40?kV??beam?current??4?A??average?radius??3.?3?mm??Beam?pitch?ratio??1.3??(Cavity?Magnetic?field??3.540?T??
本文编号:3144050
【文章来源】:红外与毫米波学报. 2020,39(02)北大核心EISCICSCD
【文章页数】:6 页
【图文】:
图1腔体结构与电场分布的关系图??
?wall?of?the?wave???guide.?The?eigen?modes?in?a?circular?waveguide?will?cou-??0??2.8?3?3.2?3.4?3.6?3.8?4??Magnetic?field^S/T??Fig.?2?The?normalized?beam-wave?coupling?coefficient?of?the??dominant?and?competitive?modes?varies?with?beam?radius??图2主模和竞争模式的归一化注波親合系数随波束半径变化??Fig.?3?The?starting?current?of?the?operating?mode?and?the?mam??competitive?mode?varies?with?the?external?magnetic?field,?where??the?beam?voltage?of?30?kV,?beam?radius?of?3.?3?mm?and?trans-??verse-to-axial?velocity?ratio?of?1.?3?were?selected??图3工作模式和主要竞争模式的起振电流随外磁场变化,其??中选取了?30?kV的电子注电压、3.?3?mm的电子注半径和1.?3的??横轴速比??GHz?and?100?GHz?and?the?beam-wave?coupling?of?rela???tive?to?the?main?mode?is?greater?than?70%?were?selected.??The?startup?simulation?is?
0?400?800?1200?1600?2000??time/ns??Fig.?4?The?startup?of?multi-mode?beam-wave?interaction,?where??the?beam?voltage?of?40?kV,?beam?current?of?4A,?transverse-to-??axial?velocity?ratio?of?1.?3,?beam?radius?of?3.?3?mm??图4多模式注波相互作用的起振,其中电子注电压为40kV,??电子注电流为4?A,横轴速度比为1.?3,电子注半径为3.?3?mm??to?be?2.?7%?and?4.?0%.?The?trajectories?and?structure?are??shown?in?Fig.?5.?The?specific?parameters?of?optimized??beam?are?presented?in?Table?1.??Fig.?5?The?trajectory?and?structure?of?the?designed?MIG??图5设计的磁控注入枪的轨迹和结构??Table?1?Optimized?beam?parameters?and?MIG?geometry??表1优化的电子注参数和磁控注入枪的几何结构?1??Parameters??Values??Beam?voltage??40?kV??beam?current??4?A??average?radius??3.?3?mm??Beam?pitch?ratio??1.3??(Cavity?Magnetic?field??3.540?T??
本文编号:3144050
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