基于台架“诱喘”试验的涡轴发动机稳定性与性能劣化研究

推进技术 ›› 2019, Vol. 40 ›› Issue (5): 1015-1022.

基于台架“诱喘”试验的涡轴发动机稳定性与性能劣化研究

余双¹,李本威¹,林学森¹,张赟¹,伍恒¹,黄帅²

海军航空大学航空基础学院，山东烟台 264001,海军航空大学航空基础学院，山东烟台 264001,海军航空大学航空基础学院，山东烟台 264001,海军航空大学航空基础学院，山东烟台 264001,海军航空大学航空基础学院，山东烟台 264001,海军驻常州地区航空军事代表室，江苏常州 213022

发布日期:2021-08-15
作者简介:余双，硕士生，研究领域为航空发动机稳定性和性能分析。E-mail: 951909652@qq.com 通讯作者:林学森，博士生，研究领域为航空发动机测试与故障诊断。
基金资助:
国家自然科学基金(51505492)；“泰山学者”建设工程专项经费资助。

Research on Stability and Performance-Worse of a Turbo-Shaft Engine Based on Bench “Induce-Surge” Test

Aeronautical Foundation Institute，Naval Aviation University，Yantai 264001，China,Aeronautical Foundation Institute，Naval Aviation University，Yantai 264001，China,Aeronautical Foundation Institute，Naval Aviation University，Yantai 264001，China,Aeronautical Foundation Institute，Naval Aviation University，Yantai 264001，China,Aeronautical Foundation Institute，Naval Aviation University，Yantai 264001，China and Aeronautical Military Representative Office of Navy in Changzhou，Changzhou 213022，China

Published:2021-08-15

摘要/Abstract

摘要： 为评价涡轴发动机的气动稳定性，采用台架“诱喘”试验的方法，通过插板式畸变发生器制造发动机进口的总压畸变流场，对涡轴发动机的综合畸变指数进行了试验测算。试验表明:对压气机转子进行先进性设计改造，在中高转速工况下，其临界综合畸变指数显著增大，随转速提高，增幅由5.01%上升至33.74%。在加速工作过程中，临界畸变指数较原型机增幅达到68.32%。另外，通过分析不同插板高度下发动机各状态的性能劣化趋势，评估了发动机在进气畸变条件下的健康状态。

关键词: 涡轴发动机；诱喘试验；进气畸变；稳定性；性能劣化

Abstract: In order to evaluate the aerodynamic stability of a turbo-shaft engine， using the bench ‘induce-surge’ testing method， the total pressure distortion flow field of the engine inlet was produced through flat distortion generator， and the comprehensive distortion index of a turbo-shaft engine was calculated. The test showed that by applying the advanced design of the compressor rotor， the critical comprehensive distortion index increased significantly at medium and high speed. Moreover， the increase was from 5.01% to 33.74% with the rising of the speed. In the acceleration process， the critical distortion index has increased by 68.32% compared with the prototype. In addition， the health conditions of engine under the inlet distortion was evaluated by analyzing the performance-worse of the engine at different flat heights.

Key words: Turbo-shaft engine；Induce-surge test；Inlet distortion；Stability；Performance-worse

余双,李本威,林学森,张赟,伍恒,黄帅. 基于台架“诱喘”试验的涡轴发动机稳定性与性能劣化研究[J]. 推进技术, 2019, 40(5): 1015-1022.

YU Shuang¹,LI Ben-wei¹,LIN Xue-sen¹,ZHANG Yun¹,WU Heng¹,HUANG Shuai². Research on Stability and Performance-Worse of a Turbo-Shaft Engine Based on Bench “Induce-Surge” Test[J]. Journal of Propulsion Technology, 2019, 40(5): 1015-1022.

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