考虑设计裕度的Smith图扩展应用探索研究  

Research on the Extended Application of Smith Diagram Considering Design Margin

作　　者：于贤君[1,2] 张琦 安广丰[1,2] 刘宝杰 YU Xianjun;ZHANG Qi;AN Guangfeng;LIU Baojie(Research Institute of Aero-Engine,Beihang University,Beijing 100191,China;National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics,Beihang University,Beijing100191,China;Avic Capdi Integration Equipment Limited Company,Beijing 102206,China)

机构地区：[1]北京航空航天大学航空发动机研究院,北京100191 [2]航空发动机气动热力国防科技重点实验室,北京100191 [3]中航工程集成设备有限公司,北京102206

出　　处：《工程热物理学报》2023年第9期2390-2398,共9页Journal of Engineering Thermophysics

基　　金：国家自然科学基金资助项目(No.51806004);国家科技重大专项资助项目(No.2017-Ⅱ-0001-0013)。

摘　　要：编写一维设计程序,并引入E参数作为裕度评估参数,完成了对亚音可压非重复级范围内一维设计方案设计点特性的计算,得到在裕度层面有所扩展的Smith图。结合Smith图,分析了各一维设计参数对裕度的影响。将该程序及Smith图应用至某九级压气机,验证了程序的可靠性及E参数作为裕度参数的合理性,并对该九级压气机E参数的选取进行了初步探索。In this paper,a one-dimensional design program is written,and the E parameter is introduced as the margin evaluation parameter to complete the calculation of the design point characteristics of the one-dimensional design scheme in the range of subsonic compressible non-repetitive stages,and the Smith diagram with an extension in the margin level is obtained.Combined with Smith's diagram,the influence of each one-dimensional design parameter on the margin is analyzed.The program and Smith diagram are applied to a nine-stage compressor,the reliability and the rationality of E parameter as margin parameter are verified,and the selection of the nine-stage E parameter is preliminarily explored.

关 键 词：Smith图 一维设计方案评估 裕度评估 E参数 

分 类 号：V233.3[航空宇航科学与技术—航空宇航推进理论与工程]