具有不同加热器的平面热辐射载荷的温度依赖特性的影响

Journal of the Nigerian Mathematical Society Pub Date : 2016-04-01 DOI:10.1016/j.jnnms.2015.12.002

M.Y. Abdollahzadeh Jamalabadi

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引用次数: 2

摘要

本研究的目的是研究与温度相关的热物理性质对外壳热辐射载荷特性的影响。研究了加热数(ζ=0.05 ~ 500)、长径比(A=0.1 ~ 1)、加热器数(N=1 ~ 19)对系统最高温度、平均温度、努塞尔数和最大流函数速率的影响。结果表明，考虑温度相关粘度的平均换热率高于考虑温度相关导热系数的平均换热率，且温度相关粘度、导热系数和流函数均较低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of temperature dependent properties on thermal radiative loading of planar surfaces with distinct heaters

The purpose of the current study is to investigate the effect of temperature dependent thermophysical properties on thermal radiative loading characteristics of an enclosure. The results are studied the effect of heating number ( $ζ = 0.05$ –500), aspect ratio ( $A = 0.1$ –1), the number of heaters ( $N = 1$ –19), on the maximum and mean temperature of system, Nusselt number, and the maximum stream function rate have been quantitatively analyzed. The results reveal that the average heat transfer rate considering temperature-dependent viscosity are higher than considering temperature-dependent thermal conductivity and both temperature-dependent viscosity and thermal conductivity and the stream function are lower.

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Journal of the Nigerian Mathematical Society

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