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Mixed Convection in a Square Cavity Filled with a Porous Medium and Different Exit Port Position

卷 10, 册 7, 2007, pp. 701-718
DOI: 10.1615/JPorMedia.v10.i7.50
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摘要

This article presents a two-dimensional finite difference numerical model of steady laminar mixed convection inside a square vented cavity filled with a fluid-saturated porous medium for different outlet port positions. It was assumed that one of the vertical walls is at constant temperature, while the remaining walls are perfectly insulated (adiabatic). Forced convection was imposed at the inlet port fixed at the bottom surface and vented through the exit port. The exit port position was allowed to vary. A powerful, accurate numerical algorithm was introduced to solve the governing equations. This method has some advantages, such as high speed of convergence, high accuracy, and simplicity. It is concluded that the maximum overall heat transfer of the cavity is achieved when the exit port is located in the upper right corner, while minimum heat transfer is observed when the outlet port is located in the both the upper right or lower left corner.

对本文的引用
  1. Basak Tanmay, Roy S., Singh Sandeep Kumar, Pop I., Analysis of mixed convection in a lid-driven porous square cavity with linearly heated side wall(s), International Journal of Heat and Mass Transfer, 53, 9-10, 2010. Crossref

  2. Buonomo B, Cresci G, Manca O, Mesolella P, Nardini S, Transient mixed convection in a channel with an open cavity filled with porous media, Journal of Physics: Conference Series, 395, 2012. Crossref

  3. Basak Tanmay, Roy S., Chamkha A.J., A Peclet number based analysis of mixed convection for lid-driven porous square cavities with various heating of bottom wall, International Communications in Heat and Mass Transfer, 39, 5, 2012. Crossref

  4. Ahmed Sameh E., Mixed convection in thermally anisotropic non-Darcy porous medium in double lid-driven cavity using Bejan’s heatlines, Alexandria Engineering Journal, 55, 1, 2016. Crossref

  5. Nield Donald A., Bejan Adrian, Mixed Convection, in Convection in Porous Media, 2017. Crossref

  6. Biswas Nirmalendu, Manna Nirmal K., Enhanced convective heat transfer in lid-driven porous cavity with aspiration, International Journal of Heat and Mass Transfer, 114, 2017. Crossref

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  8. Biswas Nirmalendu, Chamkha Ali J., Manna Nirmal K., Energy-saving method of heat transfer enhancement during magneto-thermal convection in typical thermal cavities adopting aspiration, SN Applied Sciences, 2, 11, 2020. Crossref

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