基于等效假设的发动机持久试验符合性方法  

The Endurance Test Method Based on the Equivalent Hypothesis

作　　者：郑君 胡崇波 洪楠 卞少春 ZHENG Jun;HU Chong-bo;HONG Nan;BIAN Shao-chun(CETC Wuhu Diamond Aircraft Manufacture Co.,Ltd.,Wuhu 241100,China;Wuhu Diamond Aero Engine Co.,Ltd.,Wuhu 241100,China)

机构地区：[1]中电科芜湖钻石飞机制造有限公司,芜湖241100 [2]芜湖钻石航空发动机有限公司,芜湖241100

出　　处：《内燃机与配件》2021年第10期11-12,共2页Internal Combustion Engine & Parts

摘　　要：本文针对航空活塞发动机持续适航试验的符合性验证方法开展研究,首先建立了发动机爆压表征机械载荷、排温表征温度载荷两个等效假设,以爆压和排温相当的原则,探索了海平面高度下模拟发动机在不同高度条件的持久试验适航符合性验证方法。经连续900小时螺旋桨台架持续试验验证,表明建立的持久试验适航符合性方法安全可行,可用于涡轮增压式航空活塞发动机的适航持久性试验。In this paper,two equivalent hypotheses of engine are adopted to study the method for verifying the consistency of the piston engine.Based on the principle that the explosion pressure and the exhaust temperature are equivalent,the method of verifying the airworthiness of the engine in the endurance test at different altitude is explored.The results of the 900-hour test show that the method of the endurance test for airworthiness is safe and feasible;it can be used in the endurance test of turbocharged piston aero engine.

关 键 词：等效假设 航空活塞发动机 持久试验 符合性方法 

分 类 号：U467[机械工程—车辆工程]