IDEAS home Printed from https://ideas.repec.org/a/wsi/ijmpcx/v32y2021i04ns012918312150056x.html
   My bibliography  Save this article

Computational fluid dynamics and experimental study of the effect of inclination angle on turbulent natural convection in an upward open cubic cavity

Author

Listed:
  • A. Pinã-Ortiz

    (Department of Chemical Engineering and Metallurgy, University of Sonora, Blvd. Luis Encinas y, Rosales S/N, Col. Centro, Hermosillo, Sonora 83000, Mexico)

  • J. F. Hinojosa

    (Department of Chemical Engineering and Metallurgy, University of Sonora, Blvd. Luis Encinas y, Rosales S/N, Col. Centro, Hermosillo, Sonora 83000, Mexico)

  • I. Hernández-López

    (Department of Chemical Engineering and Metallurgy, University of Sonora, Blvd. Luis Encinas y, Rosales S/N, Col. Centro, Hermosillo, Sonora 83000, Mexico)

Abstract

The effect of inclination angle on heat transfer by turbulent natural convection in an inclined open cubic cavity with side length of 1m is experimentally and numerically studied. The wall opposite to the aperture is subjected to uniform heat flux condition with a value of 110W/m2, whereas the remaining walls were kept thermally insulated. Six most used two equations turbulence models were tested, with Computational Fluid Dynamics (CFD) software ANSYS FLUENT. The results were obtained for four inclination angle values: 0∘, 15∘, 30∘ and 45∘. The spatial distribution for temperature, flow pattern and magnitude of velocity are determined and analyzed. An experimental prototype was built to obtain experimental temperature profiles and heat transfer coefficients. The experimental average Nusselt number increases as the inclination angle increases, having a minimum of 203 for 0∘ case and a maximum of 225 for 45∘ case. The comparison between experimental and numerical average Nusselt numbers indicates that the minimum average difference is with the realizable κ−εt turbulence model, therefore, this turbulence model is recommended to model this type of systems.

Suggested Citation

  • A. Pinã-Ortiz & J. F. Hinojosa & I. Hernández-López, 2021. "Computational fluid dynamics and experimental study of the effect of inclination angle on turbulent natural convection in an upward open cubic cavity," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 32(04), pages 1-21, April.
    • Handle: RePEc:wsi:ijmpcx:v:32:y:2021:i:04:n:s012918312150056x
    DOI: 10.1142/S012918312150056X
    as

    Download full text from publisher

    File URL: http://www.worldscientific.com/doi/abs/10.1142/S012918312150056X
    Download Restriction: Access to full text is restricted to subscribers
    File URL: https://libkey.io/10.1142/S012918312150056X?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to

    for a different version of it.

    More about this item

    Keywords

    ;
    ;
    ;

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:wsi:ijmpcx:v:32:y:2021:i:04:n:s012918312150056x. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Tai Tone Lim (email available below). General contact details of provider: http://www.worldscinet.com/ijmpc/ijmpc.shtml .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.