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Experimental and numerical analysis of heat transfer within cavity working under highly non-stationary flow conditions

Author

Listed:
  • Rulik, Sebastian
  • Wróblewski, Włodzimierz
  • Majkut, Mirosław
  • Strozik, Michał
  • Rusin, Krzysztof

Abstract

Cavities and gaps are a common design element of a lot of types of machinery and equipment. The fluid flow over a cavity may generate acoustic waves, which may have both negative and positive implications. This paper is focused on the possibility of improving the heat transfer conditions using the phenomenon of the acoustic wave generation. The operating conditions of a system including an acoustic generator are analysed both numerically and experimentally. A measuring stand and the applied measuring techniques are presented. The sound pressure level characteristic is determined and then compared with the results of a numerical simulation performed for different models. Additionally, the Schlieren technique is used to determine flow structure within the cavity.

Suggested Citation

  • Rulik, Sebastian & Wróblewski, Włodzimierz & Majkut, Mirosław & Strozik, Michał & Rusin, Krzysztof, 2020. "Experimental and numerical analysis of heat transfer within cavity working under highly non-stationary flow conditions," Energy, Elsevier, vol. 190(C).
    • Handle: RePEc:eee:energy:v:190:y:2020:i:c:s036054421931998x
    DOI: 10.1016/j.energy.2019.116303
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    References listed on IDEAS

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    1. Rulik, Sebastian & Wróblewski, Włodzimierz & Nowak, Grzegorz & Szwedowicz, Jarosław, 2015. "Heat transfer intensification using acoustic waves in a cavity," Energy, Elsevier, vol. 87(C), pages 21-30.
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    Cited by:

    1. Sebastian Rulik & Włodzimierz Wróblewski & Krzysztof Rusin, 2021. "Numerical and Experimental Analysis of the Noise Generated in a Ducted Cavity Working in Various Conditions," Energies, MDPI, vol. 14(22), pages 1-17, November.

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