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An Efficient Numerical Method for Pressure Loss Investigation in an Oil/Air Separator with Metal Foam in an Aero-Engine

Author

Listed:
  • Lifen Zhang

    (School of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, China)

  • Xiaoxue Zhang

    (School of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, China)

  • Zhenxia Liu

    (School of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, China)

Abstract

An efficient method of simulating pressure loss in a separator with metal foam is reported. In this method, a metal foam is modeled as a porous media having homogenized permeability and inertial resistance coefficients. The permeability and inertial resistance coefficients were obtained by a numerical method that was validated by experimental data from a literature. Then the pressure drop in the separator with metal foam replaced by porous media was efficiently simulated under different working conditions, and the results were analyzed. It was found that the porous media had a great effect on the pressure drop in the separator. As pores per inch (PPI) and rotating speed increase and porosity decreases, the pressure drop of the separator increases. The results indicate that replacing metal foam by porous media is effective and simulating the pressure drop is feasible and effective in a separator with metal foam.

Suggested Citation

  • Lifen Zhang & Xiaoxue Zhang & Zhenxia Liu, 2020. "An Efficient Numerical Method for Pressure Loss Investigation in an Oil/Air Separator with Metal Foam in an Aero-Engine," Energies, MDPI, vol. 13(2), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:346-:d:307281
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    References listed on IDEAS

    as
    1. Xue Chen & Xiaolei Li & Xinlin Xia & Chuang Sun & Rongqiang Liu, 2019. "Thermal Performance of a PCM-Based Thermal Energy Storage with Metal Foam Enhancement," Energies, MDPI, vol. 12(17), pages 1-18, August.
    2. Ashley Fly & Kyoungyoun Kim & John Gordon & Daniel Butcher & Rui Chen, 2019. "Liquid Water Transport in Porous Metal Foam Flow-Field Fuel Cells: A Two-Phase Numerical Modelling and Ex-Situ Experimental Study," Energies, MDPI, vol. 12(7), pages 1-14, March.
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    Cited by:

    1. Martin Beer & Marcela Taušová & Radim Rybár & Michal Kaľavský, 2020. "A Novel Economical Method of Determining the Geometric Characteristic of the Metal Foam Based on Image Analysis," Energies, MDPI, vol. 13(13), pages 1-11, July.

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