背压脉动作用下旋转冲压转子进气道流场激励特性

推进技术 ›› 2013, Vol. 34 ›› Issue (7): 880-889.

背压脉动作用下旋转冲压转子进气道流场激励特性

亢维佳,刘占生,张广辉,马瑞贤

哈尔滨工业大学能源科学与工程学院,黑龙江哈尔滨 150001;哈尔滨工业大学能源科学与工程学院,黑龙江哈尔滨 150001;哈尔滨工业大学能源科学与工程学院,黑龙江哈尔滨 150001;哈尔滨工业大学能源科学与工程学院,黑龙江哈尔滨 150001

发布日期:2021-08-15
作者简介:亢维佳(1986—),男,博士生,研究领域为动力机械、转子动力学、设备故障诊断等。 E-mail:kwj1221@163.com
基金资助:
国家自然科学基金资助项目(51106035)。

Flow Excitation Characteristics of Rampressor Inlet under Back Pressure Pulsation

School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

Published:2021-08-15

摘要/Abstract

摘要： 为了获取外界激励作用下旋转冲压转子进气道流场激励特性及性能的变化规律,对旋转冲压转子进气道背压脉动时压缩进气道的内部流场进行了数值仿真,分析了背压脉动时不同脉动频率、不同脉动幅值条件下旋转冲压转子进气道流场的激励特性及性能变化。研究结果表明,背压脉动对旋转冲压转子进气道流场的激励特性及性能具有显著的影响。旋转冲压转子进气道流场激励的非线性特征随着背压脉动频率的增加而增强,却随着背压脉动幅值的增加而减弱。旋转冲压转子进气道性能的稳定性随着背压脉动频率和幅值的减小而增强。 

关键词: 旋转冲压转子;背压脉动;激励特性 

Abstract: In order to obtain the excitation characteristic and performance of inlet flow field under external-excitation, the compression inlet flow field of rampressor was simulated based on back pressure pulsation. Flow excitation characteristics and performance of rampressor inlet were analyzed under different frequency and amplitude of back pressure pulsation. The results show that back pressure pulsation has significant effects on flow excitation characteristics and performance of rampressor inlet. Nonlinear characteristics of flow excitation in rampressor inlet enhances with increase of back pressure pulsation frequency, but decreases along with increment of back pressure pulsation amplitude. Performance stability of rampressor rotor inlet heightens with decrease of back pressure pulsation frequency and amplitude. 

Key words: Rampressor rotor; Back pressure pulsation; Excitation characteristic

亢维佳,刘占生,张广辉,马瑞贤. 背压脉动作用下旋转冲压转子进气道流场激励特性[J]. 推进技术, 2013, 34(7): 880-889.

KANG Wei-jia, LIU Zhan-sheng, ZHANG Guang-hui, MA Rui-xian. Flow Excitation Characteristics of Rampressor Inlet under Back Pressure Pulsation[J]. Journal of Propulsion Technology, 2013, 34(7): 880-889.

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