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Complete heat transfer solutions of an insulated regular polyhedron by using an RPSWT model

机译：使用RPSWT模型的绝缘规则多面体的完整传热解决方案

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摘要

The heat transfer characteristics for an insulated regular polyhedron (including sphere) are analyzed by using the same RPSWT model in the present study as that used by Wong and Chou previously [Energy Convers. Manage. 44 (2003) 3015]. The thermal resistance of the inner convection term and the wall conduction term in the heat transfer rate are not neglected in the present study. Thus, the complete heat transfer solution will be obtained. The present results can be applied more extensively to practical situations, such as an insulated gas tank. The results of the critical thickness t_(cr) and the neutral thickness t_e are independent of the values of J (generated by the effect of the inner convection term and the wall conduction term). However, the heat transfer rates are dependent on the values of J. The present study shows that the thermal resistance of the inner convection term and the body conduction term cannot be neglected in the heat transfer equation in situations of low to medium inner convection coefficients h_i and/or low to medium wall conductivities K and/or great wall thickness t_1, especially in situations with small body sizes or/and great outer convection coefficients h_o.
机译：通过使用与Wong和Chou以前使用的模型相同的RPSWT模型，分析了绝缘规则多面体（包括球体）的传热特性。管理。 44（2003）3015]。在本研究中，内部对流项和壁传导项在传热速率中的热阻没有被忽略。因此，将获得完整的传热解决方案。本结果可以更广泛地应用于实际情况，例如绝缘储气罐。临界厚度t_（cr）和中性厚度t_e的结果与J的值无关（由内部对流项和壁传导项的影响生成）。但是，传热速率取决于J的值。本研究表明，在低至中等内部对流系数h_i的情况下，内部对流项和体导热项的热阻不能忽略不计。和/或低至中等的壁电导率K和/或大的壁厚t_1，尤其是在具有小体积或/和大对流系数h_o的情况下。

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