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首页> 外文期刊>Arabian Journal for Science and Engineering >Investigation of Natural Convection Heat Transfer Along a Uniformly Heated Vertical Plate
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Investigation of Natural Convection Heat Transfer Along a Uniformly Heated Vertical Plate

机译：沿均匀加热的垂直板自然对流换热的研究

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摘要

Natural convection heat transfer along a vertical plate with uniform heat fluxes ranging from 400 to 1000 was investigated by using air. The local surface temperatures on the heated surface were calculated by utilizing correlations existing in the literature. Computational analysis was also performed to determine the local wall temperatures for natural convection. The results of computational analysis of the velocity distribution of the fluid in the hydrodynamic boundary layer are presented as well as the thermal distribution in the velocity boundary layer, respectively. The local temperatures determined by those correlations were compared both with each other and then with the results of the computational analysis. The local temperature results obtained in the computational analysis were in good agreement with one of those correlations and demonstrate that the increase in uniform wall heat flux causes both an increase in the local wall temperature and an increase in the velocity of air in the hydrodynamic boundary layer. It was observed that local wall temperature had risen with the increase in the distance from the plate edge.
机译：通过使用空气研究了沿垂直板的自然对流传热，传热范围从400到1000均匀。通过利用文献中存在的相关性来计算加热表面上的局部表面温度。还进行了计算分析，以确定自然对流的局部壁温。给出了流体动力边界层中流体速度分布的计算分析结果以及速度边界层中的热分布。将由这些相关性确定的局部温度相互比较，然后与计算分析的结果进行比较。在计算分析中获得的局部温度结果与这些相关性之一非常吻合，表明均匀壁热通量的增加既引起局部壁温的增加，又导致流体动力边界层中空气速度的增加。 。观察到局部壁温随着与板边缘的距离的增加而升高。

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