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Numerical Study of Three-Dimensional Natural Convection in a Cubical Cavity with Partially Heated Vertical Wall

Published: 10 October 2018 Publication History

Abstract

In this work, the three-dimensional natural convection in a cubical cavity due to a partially heated vertical sidewall has been investigated numerically using the finite volume method. Six isothermal parts at a hot temperature are considered and distributed with three different arrangements on a vertical wall of the cubical cavity. In case I, the number of these hot isothermal parts increases from the bottom to the top of this wall: one, two then three parts (1x2x3). Case III is the opposite of the first (3x2x1). Case II is an intermediate situation between the two first ones: that is (2x2x2). The opposite vertical sidewall is maintained at a cold temperature and the other sidewalls are supposed to be adiabatic. The number of Pr is fixed at 0.71 whereas the number of Ra varies between 103 to 106. The results of the simulation show that case II leads to a more important heat transfer compared to the two other studied cases.

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  1. Numerical Study of Three-Dimensional Natural Convection in a Cubical Cavity with Partially Heated Vertical Wall

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    SCA '18: Proceedings of the 3rd International Conference on Smart City Applications
    October 2018
    580 pages
    ISBN:9781450365628
    DOI:10.1145/3286606
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Published: 10 October 2018

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    Author Tags

    1. Natural convection
    2. Partially heated vertical sidewall
    3. Three-dimensional numerical simulation

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