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Numerical investigation on convective heat transfer over two heated wall-mounted cubes in tandem and staggered arrangement 被引量:2

Numerical investigation on convective heat transfer over two heated wall-mounted cubes in tandem and staggered arrangement
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摘要 In this study, laminar convective heat transfer over two heated wall-mounted cubes is investigated.Two cubes, which are under constant heat flux, are placed in different tandem and staggeredarrangements on a base plate. This problem is studied for different streamwise and spanwisedistances between two cubes in different Renolds number (Re), by using finite-volume method.Effects of these parameters are considered on flow and heat transfer characteristics. The resultsshow that the temperature distribution is strongly dependent on flow structure and varies with anychange of flow pattern in different arrangements of cubes. In addition, it is observed that the dragcoefficient, which is influenced more by pressure forces, in staggered arrangement, is greater thantandem arrangement. Results show that by increasing the spanwise distance the amount of meanNusselt number (Nu) of Cube 2 becomes the same as Cube 1. In this study, laminar convective heat transfer over two heated wall-mounted cubes is investigated.Two cubes, which are under constant heat flux, are placed in different tandem and staggeredarrangements on a base plate. This problem is studied for different streamwise and spanwisedistances between two cubes in different Renolds number (Re), by using finite-volume method.Effects of these parameters are considered on flow and heat transfer characteristics. The resultsshow that the temperature distribution is strongly dependent on flow structure and varies with anychange of flow pattern in different arrangements of cubes. In addition, it is observed that the dragcoefficient, which is influenced more by pressure forces, in staggered arrangement, is greater thantandem arrangement. Results show that by increasing the spanwise distance the amount of meanNusselt number (Nu) of Cube 2 becomes the same as Cube 1.
出处 《Theoretical & Applied Mechanics Letters》 CAS CSCD 2018年第3期171-183,共13页 力学快报(英文版)
关键词 Steady laminar flow Vortical structure Convective heat transfer Constant heat flux Steady laminar flow Vortical structure Convective heat transfer Constant heat flux
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