Volume 37 Issue 4
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ZHOU Luanliang, WANG Shiqi, WEN Xin. 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
Citation: ZHOU Luanliang, WANG Shiqi, WEN Xin. 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
shu

Working characteristics of a fluidic oscillator with high frequency and high speed

doi: 10.13224/j.cnki.jasp.20210099
  • 1.

    School of Mechanical Engineering，Shanghai Jiao Tong University，Shanghai 200240，China

  • 2.

    Aero Engine Academy of China，Aero Engine Corporation of China，Beijing 101304，China

  • Received Date: 2021-03-07
  • Publish Date: 2022-04-28
    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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