Preliminary Study for Effects of Laser Pulse Width on Propulsion Performance of GAP Propellant Doped with Carbon

Journal of Propulsion Technology ›› 2016, Vol. 37 ›› Issue (4): 788-792.

• Electric Propulsion and Other Advanced Propulsion • Previous Articles Next Articles

Preliminary Study for Effects of Laser Pulse Width on Propulsion Performance of GAP Propellant Doped with Carbon

School of Chemical Engineering，Nanjing University of Science and Technology，Nanjing 210094，China,School of Chemical Engineering，Nanjing University of Science and Technology，Nanjing 210094，China,Shanghai Space Propulsion Technology Research Institute，Shanghai 201109，China,School of Chemical Engineering，Nanjing University of Science and Technology，Nanjing 210094，China,School of Chemical Engineering，Nanjing University of Science and Technology，Nanjing 210094，China and School of Chemical Engineering，Nanjing University of Science and Technology，Nanjing 210094，China

Published:2021-08-15

激光脉宽对含碳粉GAP推进剂推进性能影响初步研究

王晓勇¹,吴立志¹,郭宁²,何念柏¹,沈瑞琪¹,叶迎华¹

南京理工大学化工学院，江苏南京 210094,南京理工大学化工学院，江苏南京 210094,上海航天动力技术研究所，上海 201109,南京理工大学化工学院，江苏南京 210094,南京理工大学化工学院，江苏南京 210094,南京理工大学化工学院，江苏南京 210094

作者简介:王晓勇，男，硕士生，研究领域为激光烧蚀微推进。E-mail: wangxiaoyong909@gmail.com 通讯作者:吴立志，男，讲师，研究领域为激光物理和化学、激光等离子体微推进技术。
基金资助:
上海航天科技创新基金(SAST201363)。

Abstract

Abstract: A GAP propellant doped with carbon was designed in order to solve the problem of lower thrust and impulse coupling coefficient in micro laser ablation propulsion technology. The propulsion performance of doped GAP ablated by low power diode laser was measured and analysed. The effects of different pulse width of laser on specific impulse and impulse coupling coefficient were received. The results show that the maximum specific impulse and impulse coupling coefficient are 100s and 195μN/W，respectively, when laser power is 7W and the pulse width is 2ms.

Key words: Laser ablation；Micro-propulsion；Specific impulse；Impulse coupling coefficient

摘要： 针对激光烧蚀微推进技术中推进剂微推力偏小、冲量耦合系数较低的现状，设计了掺杂碳粉的聚叠氮缩水甘油醚(GAP)推进剂。利用低功率半导体激光器，对GAP推进剂的推进性能进行了测试和分析，获得了不同脉宽条件下，比冲、冲量耦合系数的变化规律。研究结果表明，激光功率7W、脉宽2ms时，推进剂比冲和冲量耦合系数最大分别为100s和195μN/W。

关键词: 激光烧蚀；微推进；比冲；冲量耦合系数

WANG Xiao-yong¹,WU Li-zhi¹,GUO Ning²,HE Nian-bai¹,SHEN Rui-qi¹,YE Ying-hua¹. Preliminary Study for Effects of Laser Pulse Width on Propulsion Performance of GAP Propellant Doped with Carbon[J]. Journal of Propulsion Technology, 2016, 37(4): 788-792.

王晓勇,吴立志,郭宁,何念柏,沈瑞琪,叶迎华. 激光脉宽对含碳粉GAP推进剂推进性能影响初步研究[J]. 推进技术, 2016, 37(4): 788-792.

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Preliminary Study for Effects of Laser Pulse Width on Propulsion Performance of GAP Propellant Doped with Carbon

激光脉宽对含碳粉GAP推进剂推进性能影响初步研究

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