电喷雾推进器用多孔介质硼硅玻璃离子源的研制与表征

2022 13th International Conference on Mechanical and Aerospace Engineering (ICMAE) Pub Date : 2022-07-20 DOI:10.1109/ICMAE56000.2022.9852852

Kuan Qiao, Yuntian Yang, Xiao-kang Li, Jianjun Wu, D. Guo, M. Cheng

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引用次数: 0

摘要

基于多孔介质的电喷雾推进器是一种尖端的微推进技术，可以彻底改变纳米卫星的能力。本文报道了多孔介质硼硅酸盐玻璃电喷雾推力器的设计、制造和表征。将皮秒红外激光加工技术应用于多孔介质中的机81发射器。采用离子液体EMI-BF4被动馈入推进器进行了性能特性实验。结果表明，在2kV时，单发射极的发射强度可达1.27μA。相应的机器方法为实现更可控的发射器形状提供了机会，这对推进器的寿命和性能改善有积极的影响。

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Development and Characterization of Porous-Media Borosilicate Glass Ion Sources for Electrospray Thruster

The porous-media based electrospray thruster is a cutting edge micro propulsion technology that can revolutionize the capabilities of NanoSats. This paper reports the design, fabrication, and characterization of a porous-media borosilicate glass electrospray thruster. The picosecond infrared laser processing technique is applied to machine 81 emitters out of porous-media. Performance characteristic experiments are conducted with the thruster passively fed with ionic liquid EMI-BF4. The results reveal that the per emitter can emit up to 1.27μA at 2kV. The corresponding machine method present an opportunity to attain more controllable emitter shapes, which has a positive impact on thruster lifetime and performance improvement.

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2022 13th International Conference on Mechanical and Aerospace Engineering (ICMAE)

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