郑日恒,刘方彬,姚兆普,王鹏,陈操斌,潘率诚

• 1:北京航空航天大学能源与动力工程学院
• 2:北京控制工程研究所
• 3:中国航发四川燃气涡轮研究院
• 4:北京动力机械研究所

摘要(Abstract)：

近年来，随着环保、低碳的要求越来越严格，绿色推进技术逐渐成为航空航天领域内的研究热点。梳理了航空电推进、低排放航空发动机、绿色吸气式高超声速推进、空间液体燃料推进等空天技术领域的研究进展和技术挑战，旨在为空天领域绿色推进技术的发展提供参考。首先，比较了航空电推进技术中的纯电推进技术、涡轮电推进技术和混合电推进技术这三种技术的研究现状，并提出了相应的研究热点问题。其次，总结了低排放航空发动机技术的贫油多级燃烧技术、富燃-淬熄-贫燃燃烧技术和其它新型燃烧技术等多种燃烧技术的研究现状和存在的技术挑战。然后，分析了绿色吸气式高超声速推进中当量比、燃料类型、燃烧室结构、发动机性能等因素对氮氧化物（NOx）排放的影响，并指出还存在着NOx排放的数值预测、NOx排放控制与发动机性能之间的关系等困难。最后，在对比分析不同绿色液体空间推进技术的基础上，总结分析了绿色单组元推进是目前技术成熟度最高的原因。而绿色双组元推进技术的技术路线，包括离子液体燃料空间推进技术和高含能密度烃类燃料空间推进技术，虽然具有较好的发展前景，但目前均仍处于初步研究阶段。此外，分析了电-化学双模式推进技术的挑战问题，这种绿色空间推进技术未来有希望获得重要应用。

关键词(KeyWords)： 绿色推进;航空电推进;低排放航空推进;吸气式高超声速推进;空间推进;航空发动机

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郑日恒,刘方彬,姚兆普,王鹏,陈操斌,潘率诚

DOI: 10.16338/j.issn.2097-0714.20220020

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