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Constructal T-shaped fins

机译:结构性T形鳍

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摘要

This paper reports the geometric (constructal) optimization of T-shaped fin assemblies, where the objective is to maximize the global thermal conductance of the assembly, subject to total volume and fin-material constraints. Assemblies of plate fins and cylindrical fins are considered. It is shown that every geometric feature of the assembly is delivered by the optimization principle and the constraints. These optimal features are reported in dimensionless terms for this entire class of fin assemblies. Corresponding results are developed for more evolved versions of the T- shaped assembly, namely, the tau-shaped assembly where the free ends of the thinner fins are bent, the tau-shaped assembly that is narrower than the space allocated to it, and the umbrella-shaped construct containing cylindrical fins. The results show that some of the optimized geometrical features are relatively robust, i.e., insensitive to changes in some of the design parameters.
机译:本文报告了T形翅片组件的几何(结构)优化,其目的是在总体积和翅片材料约束下,最大化组件的整体热导率。考虑了板式翅片和圆柱形翅片的组合。结果表明,组件的每个几何特征都是通过优化原理和约束条件传递的。对于整个翅片组件,这些最佳功能均以无量纲的形式报告。对于T形组件的更多改进版本,也就是相应的结果,即较薄鳍片的自由端弯曲的tau形组件,比分配给它的空间窄的tau形组件以及包含圆柱形鳍的伞形结构。结果表明,一些优化的几何特征是相对鲁棒的,即,对某些设计参数的变化不敏感。

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