Review of Aero-engine Temperature Distortion Research

进气温度畸变是影响航空发动机稳定工作的重要因素,本文首先概述了航空发动机进气温度畸变的来源,介绍了国内外围绕温度畸变引入机制开展的流动机理研究进; 展,总结了进气温度畸变对推进系统部件和发动机总体的影响。其次,分析了国内外现有的温度畸变模拟装置结构、工作原理与性能特性,介绍了利用畸变模拟装置; 开展机理研究与工程应用研究取得的进展。进一步,对比分析了各类温度畸变评定措施和评定标准,介绍了进气温度畸变测试环节涉及的关键技术。最后,列举了航; 空发动机进气温度畸变的抑制技术及针对温度畸变的发动机防喘控制技术,分析了各种技术的优缺点。航空发动机进气温度畸变研究对发动机抗温度畸变设计和测试; 具有重要的指导意义。Inflow temperature distortion is an influential factor to determine the; stable work margin of aero-engine.In current paper,an overview of; temperature distortion introduction mechanism is first reviewed.; Fundamental study concerning temperature distortion introduction; mechanism is presented. Summarization is given about influence of; temperature distortion on propulsion component characteristics and the; aero-engine overall performance.Then comparative study is made based on; currently applied temperature distortion simulation devices as well as; their operation mechanisms.Progress made in both fundamental and applied; research with the aid of temperature distortion simulation devices is; introduced. In addition,inflow temperature distortion assessment; methodology as well as corresponding standard is introduced with; highlight on key techniques concerning temperature distortion; test.Finally,techniques to mitigate temperature distortion on; aero-engine are summarized and trade study is made upon those; techniques.Aero-engine temperature distortion research will provide; guidance for engine temperature resistance design and test