Characteristics of electron evolution during initial low-pressure discharge stage upon microwave circuits
Source abstract
Abstract
High-power microwave-induced low-pressure discharges seriously threaten the reliability of space payload systems. Under extremely low-pressure conditions, the evolution of ionized and secondary electrons at the initial stage of discharge is crucial to figure out the discharge process. Therefore, this paper investigates the development of multiple electrons in the discharge process under a highly low-pressure environment using numerical simulation. A three-dimensional simulation model based on the Monte Carlo algorithm is established by considering various electron-gas collisions and secondary electron emissions from different material surfaces. The evolution characteristics of various electrons' populations, energy, and distribution patterns during the discharge process are analyzed. In addition, the influence of the critical conditions at different air pressures on the electron evolution during the discharge process and the intrinsic causes are also investigated. This study is significant in revealing the transition characteristics between multipactor and low-pressure discharge and exploring their inherent mechanisms.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Plasma Diagnostics and Applications · Particle accelerators and beam dynamics · Gyrotron and Vacuum Electronics Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Key Laboratory of Science and Technology on Space Microwave, China Academy of Space Technology 1 , Xi’an 710100, China
School of Computer Science and Engineering, Xi’an University of Technology 2 , Xi’an 710048, China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Shanxi Province · Scientific Research Project of the Shannxi Education Department
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