重油航空活塞发动机燃油喷射技术  

Fuel injection technology of heavy fuel aircraft piston engine

作　　者：丁水汀[1] 邵龙涛 赵帅 朱锟 杜发荣[1] 周煜[1] DING Shuiting;SHAO Longtao;ZHAO Shuai;ZHU Kun;DU Farong;ZHOU Yu(Research Institute of Aero-Engine,Beihang University,Beijing 100083,China;School of Energy and Power Engineering,Beihang University,Beijing 100083,China;Areo Engine Academy of China,Beijing 101300,China)

机构地区：[1]北京航空航天大学航空发动机研究院,北京100083 [2]北京航空航天大学能源与动力工程学院,北京100083 [3]中国航空发动机研究院,北京101300

出　　处：《北京航空航天大学学报》2022年第9期1630-1642,共13页Journal of Beijing University of Aeronautics and Astronautics

基　　金：国家重点基础研究发展计划(2018YFB010400);国家自然科学基金(51775025,51775013)。

摘　　要：燃油喷射技术作为航空活塞发动机的关键技术之一,其结构形式及特性直接影响航空活塞发动机的整机性能,随着通用航空对发动机性能要求的不断提升,燃油喷射技术的发展也在不断延续。综述了当前各种重油航空活塞发动机采用的燃油供给系统,对其适用的经典机型进行了梳理,总结了各种燃油供给系统的优缺点。阐述了研究重油喷射技术采用的前沿理论、仿真计算及试验方法,分析了研究重油雾化过程存在的难点,给出了研究重油喷射技术的相关建议。提出了未来重油航空活塞发动机发展思路和关键技术,重点希望对重油航空活塞发动机的正向研制提供技术指导,推动中国通用航空的可持续发展。Fuel injection technology is one of the key technologies of aviation piston engines.Its structure and characteristics directly affect the integral performance of aircraft piston engines.With the requirements of general aviation for better engine performance,the development of fuel injection technology continues.This paper summarizes the current fuel supply systems used in various heavy fuel aircraft piston engines,sorts out the classic models that are applicable to them,and reviews the advantages and disadvantages of the various fuel supply systems.It expounds some cutting-edge theories,simulation calculations and experimental methods used in the study of heavy oil injection technology,and analyzes some difficulties in heavy fuel atomization,followed by relevant suggestions for the study of heavy fuel injection technology.Finally,this paper puts forward some ideas and key technologies for the future development of heavy fuel aircraft piston engine,with a focus on providing technical guidance for the forward development of heavy fuel aircraft piston engines,thus contributing to the sustainable development of China’s general aviation.

关 键 词：航空活塞发动机 重油 喷射技术 二冲程 负碳生物燃料 控制策略 

分 类 号：V233[航空宇航科学与技术—航空宇航推进理论与工程]