论文部分内容阅读
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。
The temperature distortion of intake air is an important factor affecting the stability of aeroengine. This paper firstly summarizes the source of temperature distortion of aeroengine intake, introduces the research progress of flow mechanism around the mechanism of introduction of temperature distortion at home and abroad, Promote the system components and the overall impact of the engine. Secondly, the structure, working principle and performance characteristics of the existing temperature distortion simulation device both at home and abroad are analyzed. The progress of mechanism research and engineering application research using distortion simulation device is introduced. Further, various types of temperature distortion assessment measures and evaluation criteria are compared and analyzed, and the key technologies involved in the testing of intake air temperature distortion are introduced. Finally, the article lists the suppression technology of aeroengine intake air temperature distortion and anti-asthma control technology for temperature distortion, and analyzes the advantages and disadvantages of various technologies. Aeroengine inlet temperature distortion research on the engine temperature distortion design and testing has important guiding significance.