期刊论文

中文

真空

1002-0322

2023

60

01

62-70

10.13385/j.cnki.vacuum.2023.01.11

湖南省教育厅科学研究一般项目（No.18C0465）；

本校为第一机构

可持续绿色能源核聚变具有清洁环保、原料储量丰富、安全可靠、不产生核废料等优点，是解决未来能源及环境问题的重要选择。然而，实现受控核聚变并非易事，托卡马克是最有希望实现可控聚变能的磁约束装置。大功率真空发射管是托卡马克装置中的一个重要器件，其电流作为发射电子管极限参量和额定功率的一个重要指标，取决于发射管本身的结构、尺寸、材料等。由于四极管的结构和工作原理十分复杂，很难直接获得发射电流随其结构参数变化的情况。可先将四极管等效成二极管结构来探寻二极管空间电荷限制流随其几何结构变化的规律，从而为等离子体加热发射管（四极管）结构设计及优化提供理论参考和...

Due to the advantages of clean and environmentally friendly,abundant raw material reserves,safety and reliability,and no nuclear waste,sustainable green energy nuclear fusion has become an important choice to solve energy and environmental problems in future.However,ach...MORE Due to the advantages of clean and environmentally friendly,abundant raw material reserves,safety and reliability,and no nuclear waste,sustainable green energy nuclear fusion has become an important choice to solve energy and environmental problems in future.However,achieving controlled nuclear fusion is not easy.Tokamak...