半埋入式S弯进气道主动流动控制研究

推进技术 ›› 2014, Vol. 35 ›› Issue (9): 1168-1173.

半埋入式S弯进气道主动流动控制研究

刘　雷,陈　浮,宋彦萍,陈焕龙

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:刘　雷(1984—)，男，博士生，研究领域为叶轮机械设计与气动热力学分析。
基金资助:
国家自然科学基金(50976026)；国家自然科学基金委创新研究群体基金(51121004)。

Numerical Simulation of Effects of Active Flow Control on the Performance of a Half Flush-Mounted S-Shaped Inlet

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： 为了改善半埋入式亚声速S弯进气道出口气流品质，本文采用吹、吸气方式对其进行了主动流动控制数值研究。结果表明:吸气位置、吸气量变化显著影响进气道气动性能，最佳吸气位置位于唇口附近，当唇口吸气量为进气道流量的1.9%时，总压畸变指数降低约45.7%，总压恢复系数和增压比略有提高；而附面层吹气时进气道的性能仅在吹气量较小时有所改善；附面层吹、吸组合控制对流场的改善程度介于上述方案之间，而非单独吹、吸气方案效果的简单叠加。

关键词: 附面层；S弯进气道；主动流动控制；数值研究

Abstract: For the sake of improving the air quality at the exit of a subsonic half flush-mounted S-shaped inlet，numerical investigation of the effects of active flow control technology such as suction and blowing on it was examined.The results show that suction flow rate and position have a significant influence on the effect of the suction flow control，and lip is the best suction location. When sucking at lip with suction flow rate being about 1.9% of the inlet mass flow rate，the total pressure distortion coefficient reduces by 45.7%，while the total pressure recovery coefficient and the pressure ratio increase slightly. In the blowing schemes，the aerodynamic performance of the inlet improves only when the blowing flow is small. The combination effect of suction and blowing is between the effect of blowing or suction alone，not the simple superposition of them.

Key words: Boundary layer；S-shaped inlet；Active flow control；Numerical investigation

刘　雷,陈　浮,宋彦萍,陈焕龙. 半埋入式S弯进气道主动流动控制研究[J]. 推进技术, 2014, 35(9): 1168-1173.

LIU Lei,CHEN Fu,SONG Yan-ping,CHEN Huan-long. Numerical Simulation of Effects of Active Flow Control on the Performance of a Half Flush-Mounted S-Shaped Inlet[J]. Journal of Propulsion Technology, 2014, 35(9): 1168-1173.

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