研究了高功率气体火花开关电极烧蚀的基本物理过程。
The basic physical mechanisms of the electrode erosion process of high power gas switches were also studied.
通过实验我们发现气流流速、电极烧蚀、绝缘筒污染等因素制约了高能、大电荷量气体开关的重复工作性能。
These experimental results indicated that several factors such as gas velocity, electrode erosion, insulator envelope pollution and so on limited the repetitive operating capability of the switches.
结合旋转电弧开关和环形轨道开关特点，设计了一种旋转电弧、场畸变气体火花开关，有效地减少了气体火花开关电极烧蚀，提高了气体火花开关寿命。
The high current which flows in the closing gas spark switch results in the electrode erosion that influences largely the switch performance especially for the lifetime.
但问题是，如果离子没有顺利通过电极栅，而是撞在上面，将会造成电极的烧蚀，从而限制了其使用年限，美国宇航局离子发动机的平均寿命约为3年。
The problem is, ions that bump into the grid instead of passing through it cause erosion, which limits the average NASA ion engine's lifespan to about 3 years.
在不同开关结构、不同电极材料和不同电流波形情况下对开关进行了单次触发放电实验，验证了旋转电弧、场畸变间隙开关能够有效地减轻开关电极的烧蚀程度；
It indicates that the rotary-arc gap switch employing a sharp knife-edge electrode as a third trigger electrode can distinctly reduce the electrode erosion and prolong the lifetime of the switch.
气体火花开关在大电流工作情形下，会因为开关电极受到高能量、大电流电弧的烧蚀作用而影响其工作性能和寿命。
The electrode erosion of gas spark switch caused by high current, high energy arc influences the feature and lifetime of the switch.
由于单体上下对接，高度可变，可以利用烧蚀变短的电极棒。
As the single bodies are butted up and down, the height of the invention can be changed and an ablation and shortened electrode bar is used.
微波等离子推力器(MPT)的最大优点是微波在谐振腔内放电使工质形成悬浮的等离子体，没有电极的烧蚀与寿命问题。
Microwave plasma thruster can generate free-floating plasma brought about by microwave discharge breakdown gas in resonant cavity without the service life problem produced by electrode ablation.
微波等离子推力器(MPT)的最大优点是微波在谐振腔内放电使工质形成悬浮的等离子体，没有电极的烧蚀与寿命问题。
Microwave plasma thruster can generate free-floating plasma brought about by microwave discharge breakdown gas in resonant cavity without the service life problem produced by electrode ablation.
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