高频高速流体振荡器工作特性

周銮良; 王士奇; 温新

doi:10.13224/j.cnki.jasp.20210099

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高频高速流体振荡器工作特性

气动热力学与总体设计 | 更新时间：2025-04-07

- 高频高速流体振荡器工作特性
- Working characteristics of a fluidic oscillator with high frequency and high speed
- 航空动力学报 2022年37卷第4期页码：877-885
- 作者机构：
  
  1.上海交通大学机械与动力工程学院，上海 200240
  2.中国航空发动机集团有限公司中国航空发动机研究院，北京 101304
- 作者简介：
  
  周銮良（1997-），男，硕士生，主要从事叶轮机械气动热力学研究。
- 基金信息：
  
  航空动力基金(6141B0950399);国家自然科学基金(12072196);先进航空动力创新工作站(HKCX2019⁃01⁃016)
- DOI：10.13224/j.cnki.jasp.20210099
  中图分类号：
- 稿件说明：
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周銮良, 王士奇, 温新. 高频高速流体振荡器工作特性[J]. 航空动力学报, 2022,37(4):877-885.

Luanliang ZHOU, Shiqi WANG, Xin WEN. Working characteristics of a fluidic oscillator with high frequency and high speed[J]. Journal of Aerospace Power, 2022, 37(4): 877-885.
周銮良, 王士奇, 温新. 高频高速流体振荡器工作特性[J]. 航空动力学报, 2022,37(4):877-885. DOI： 10.13224/j.cnki.jasp.20210099.

Luanliang ZHOU, Shiqi WANG, Xin WEN. Working characteristics of a fluidic oscillator with high frequency and high speed[J]. Journal of Aerospace Power, 2022, 37(4): 877-885. DOI： 10.13224/j.cnki.jasp.20210099.

摘要

设计了一种新型高频高速流体振荡器，并采用热线风速仪、高频动态压力传感器等测量手段，对其频率⁃压力响应特性、速度⁃压力响应特性及内部压力传播特性进行了实验研究。结果表明：设计的流体振荡器工作频率约为900 Hz，进出口压比为2时，其出口射流速度范围为75~239 m/s。建立了振荡周期/频率与内部尺寸的关系式，验证了振荡器内部的压力传播与反射机制，并用压力的作用机制解释了射流偏转的两个阶段，为今后设计不同流动条件下所需的流体振荡器提供了设计思路。

Abstract

A fluidic oscillator with high⁃frequency and high⁃speed was designed，and its frequency and velocity response to inlet pressure，and internal pressure propagation pattern were measured by hot wire anemometers and high⁃frequency dynamic pressure sensors.The results showed that the working frequency of the fluid oscillator was about 900 Hz，and when the inlet pressure ratio was 2，the outlet velocity range was 75-239 m/s.The relationship between the oscillation frequency and the internal size was established，the pressure propagation and reflection mechanism inside the oscillator were verified.And the two stages of the jet switching were explained by the pressure propagation mechanisms，which can provide insights into the future fluidic oscillator design under different flow control conditions.

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references

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