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Influence of Fins Number and Frosting on Heat Transfer through Longitudinal Finned Tubes of LNG Ambient Air Vaporizers

Author

Listed:
  • Filip Lisowski

    (Department of Machine Design and Composite Structures, Cracow University of Technology, ul. Warszawska 24, 31-155 Cracow, Poland)

  • Edward Lisowski

    (Department of Applied Informatics, Cracow University of Technology, ul. Warszawska 24, 31-155 Cracow, Poland)

Abstract

The use of cryogenic liquefied gasses in industry is constantly increasing both for process purposes and for power supply needs. The liquefied natural gas (LNG) is stored at cryogenic temperature and its immediate use in gaseous form requires its evaporation. The heat needed to cause a phase change is usually delivered by means of vaporizers. This paper presents a numerical analysis of the influence of the fins number and frost accumulated within the fins surface on the heat transferred through the aluminum finned tubes of LNG ambient air vaporizers. The calculations were carried out applying finite element thermal analysis within Ansys software as well as using an analytical approach. As a result, the heat rate per unit length of the finned tube was obtained. The results were compared for different numbers of longitudinal fins both without frost and for total frosting of the tubes.

Suggested Citation

  • Filip Lisowski & Edward Lisowski, 2022. "Influence of Fins Number and Frosting on Heat Transfer through Longitudinal Finned Tubes of LNG Ambient Air Vaporizers," Energies, MDPI, vol. 15(1), pages 1-14, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:1:p:280-:d:715900
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    Cited by:

    1. Igor Korobiichuk & Viktorij Mel’nick & Vladyslav Shybetskyi & Sergii Kostyk & Myroslava Kalinina, 2022. "Optimization of Heat Exchange Plate Geometry by Modeling Physical Processes Using CAD," Energies, MDPI, vol. 15(4), pages 1-18, February.

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