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<p>The transient effects that develop when supplying intake air to a ventilated space through a fluidic oscillator were numerically studied. The results of parametric two-dimensional URANS simulations in the Reynolds number range of (5.3–53)·10<sup>3</sup> showed that with an increase in the supply flow rate, the frequency of self-oscillations of the supply jet increases linearly, while the Strouhal number varies slightly: from 3.3·10<sup>−3</sup> to 5.4·10<sup>−3</sup>. The use of an oscillator intensifies air mixing significantly compared to the basic case with a stationary air supply through a slot, which provides almost uniform temperature distribution in the room during cooling.</p>

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Study of temperature equalization in a ventilated room with air supplied through an oscillator

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • T. S. Korskova,
  • M. A. Zasimova,
  • V. V. Ris,
  • N. G. Ivanov

摘要

The transient effects that develop when supplying intake air to a ventilated space through a fluidic oscillator were numerically studied. The results of parametric two-dimensional URANS simulations in the Reynolds number range of (5.3–53)·103 showed that with an increase in the supply flow rate, the frequency of self-oscillations of the supply jet increases linearly, while the Strouhal number varies slightly: from 3.3·10−3 to 5.4·10−3. The use of an oscillator intensifies air mixing significantly compared to the basic case with a stationary air supply through a slot, which provides almost uniform temperature distribution in the room during cooling.