星型航空活塞发动机增压匹配及控制参数研究  

Turbocharging Matching and Control Parameters of Radial Aero-Piston Engine

作　　者：王岩 赵振峰[1] 武成玉 金金 孙昭 WANG Yan;ZHAO Zhen-feng;WU Cheng-yu;JIN Jin;SUN Zhao(School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China;Aerospace Era Feihong Technology Co.LTD,Beijing 100097,China;Defense Department Test Base,North Heavy Industry Group Co.LTD,Baotou 014000,China)

机构地区：[1]北京理工大学机械与车辆学院,北京100081 [2]航天时代飞鸿技术有限公司,北京100097 [3]北方重工业集团有限公司防务事业部试验基地,内蒙古包头014000

出　　处：《推进技术》2023年第7期147-156,共10页Journal of Propulsion Technology

摘　　要：针对某星型航空活塞发动机在高海拔地区的功率衰减问题,开展增压匹配及控制策略研究。利用GT-Power建立星型发动机的性能匹配仿真模型,并通过试验对仿真模型进行了校核;在此基础上匹配了涡轮增压器,建立增压发动机模型。进行了0~8km不同飞行高度条件下的增压匹配与发动机功率随海拔高度的匹配计算;根据计算结果设计了废气旁通阀开度控制策略并得到了喷油点火控制参数的影响规律。研究结果表明:为星型活塞发动机所匹配的废气涡轮增压系统,可使发动机在8km海拔高度时功率恢复到地面功率的83%,较原机8km海拔高度功率提升了90%,可很好满足飞机对发动机高空功率恢复需求。To solve the problem of power attenuation of a radial aero-piston engine in high altitude areas,the boost matching and control parameters research were carried out.A performance matching simulation model of the radial engine was established by GT-Power,and the simulation model was checked by experiments.On this basis,turbochargers were matched to establish a supercharged engine model.The calculation of boost matching and engine power matching at different flight altitudes from 0~8km was carried out.Based on the calculation re⁃sults,the control strategy of exhaust gas bypass valve opening was designed and the influence law of injection and ignition control parameters was obtained.The research results show that the exhaust gas turbocharging system matched for the radial piston engine can restore the power of the radial engine to 83%of the ground power at an al⁃titude of 8km,which is 90%higher than that of the original engine at an altitude of 8km.This scheme can well meet the aircraft’s demand for high-altitude power recovery of the engine.

关 键 词：活塞发动机 高空功率恢复 涡轮增压 增压匹配 控制策略 

分 类 号：V234[航空宇航科学与技术—航空宇航推进理论与工程]