涡扇发动机气路部件衰退对转速差影响研究

推进技术 ›› 2014, Vol. 35 ›› Issue (5): 610-617.

涡扇发动机气路部件衰退对转速差影响研究

杨欣毅¹,沈伟¹,王永华¹,赵勇²,宋汉强²

海军航空工程学院飞行器工程系，山东烟台 264001;海军航空工程学院飞行器工程系，山东烟台 264001;海军航空工程学院飞行器工程系，山东烟台 264001;海军航空工程学院研究生管理大队，山东烟台 264001;海军航空工程学院研究生管理大队，山东烟台 264001

发布日期:2021-08-15
作者简介:杨欣毅(1987—)，男，博士，讲师，研究领域为航空发动机性能仿真和状态监控。E-mail :jimyang2008@163.com

Study on Negative Effects on Rotational Speeds Difference Caused by Turbine Fan Engine Gas Path Components Performance Deteriorations

Department of Aerocraft Engineering，Naval Aeronautical and Astronautical University，Yantai 264001，China;Department of Aerocraft Engineering，Naval Aeronautical and Astronautical University，Yantai 264001，China;Department of Aerocraft Engineering，Naval Aeronautical and Astronautical University，Yantai 264001，China;Graduate Students’Brigade，Naval Aeronautical and Astronautical University，Yantai 264001，China;Graduate Students’Brigade，Naval Aeronautical and Astronautical University，Yantai 264001，China

Published:2021-08-15

摘要/Abstract

摘要： 针对缺乏涡扇发动机气路部件性能衰退与加力性能关联研究的问题，利用发动机模型在加力和不开加力两种情况下的求解及曲面拟合技术，获得气路部件的流量和效率参数耦合变化对应的转速差值曲面，并与转速差值限制条件比较，确定气路部件满足转速差值限制条件的性能包线。研究结果表明:压气机对转速差值性能的影响大于涡轮，低压压气机(风扇)是影响最大的部件。每个部件效率衰退的影响大于其流量衰退的影响。研究结果明确了对加力性能影响较大需要重点监控的气路部件，为保障发动机加力性能和加力系统稳定工作提供了理论依据。

关键词: 涡扇发动机；部件特性；性能衰退；量子行为粒子群优化；滑动最小二乘

Abstract: Studies on the relationship between turbine fan engine gas path components performance deterioration and the rotational speeds difference (difference between low pressure rotor speeds when afterburner is turned on and off) are necessary but urgently needed. In order to obtain a clear picture on this relationship，the engine model and surface fitting technique were used and the rotational speed difference surfaces interrelating gas path component air flow rate and efficiency parameters were obtained. They were then compared with rotational speed difference threshold and gas path components performance parameter envelops which satisfied the difference threshold requirement were obtained. The study demonstrates that the compressor has more negative effects on rotationed speed difference than turbine and low-pressure compressor affects the most among all the gas path components. For each component，efficiency parameter has more impact than flow rate parameter. The results indicate compressor components deterioration have negative effects on afterburner system performance and need more monitoring. The study also provides theoretical foundation for maintaining good performance and reliable work of the engine afterburner system.

Key words: Turbine fan engine；Component characteristics；Performance deterioration；Quantum-behaved particle swarm optimization；Moving least square

杨欣毅,沈伟,王永华,赵勇,宋汉强. 涡扇发动机气路部件衰退对转速差影响研究[J]. 推进技术, 2014, 35(5): 610-617.

YANG Xin-yi¹,SHEN Wei¹,WANG Yong-hua¹,ZHAO Yong²,SONG Han-Qiang². Study on Negative Effects on Rotational Speeds Difference Caused by Turbine Fan Engine Gas Path Components Performance Deteriorations[J]. Journal of Propulsion Technology, 2014, 35(5): 610-617.

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