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首页> 外文期刊>International journal of numerical methods for heat & fluid flow >An optimum profile of a special pin fin: full solutions
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An optimum profile of a special pin fin: full solutions

机译:特殊引脚鳍的最佳配置文件:完整的解决方案

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Purpose - This paper aims to present an elegant exact solution in terms of elementary functions for a special pin fin without the classical length-of-arc approximation. Design/methodology/approach - The temperature distribution along the fin and the surface function, both being the functions of a shape parameter, is inversely proportional to each other. The specialty of the spine is such that its shape and temperature profile are linked for a given Biot number. Findings - Exact formulas for the pin fin tip temperature, pin fin base heat transfer rate, surface area of the spine and thermal fin efficiency are also given. Originality/value - Without the traditional arc length assumption, the pin fin is shown to be an effective extended surface to remove the excessive heat from the hot surface it is pinned to. Optimum pin fin dimensions leading to the maximum base heat transfer rate are also worked out for a specified fin volume.
机译:目的 - 本文旨在为特殊销钉的基本功能提供优雅的精确解决方案,而无需经典长度近似近似。设计/方法/方法 - 沿翅片和表面功能的温度分布,既是形状参数的功能,也彼此成反比。脊柱的专业使得其形状和温度曲线与给定的BIOT数相连。发现 - 还给出了销钉尖端温度,尖翅基传热速率,脊柱表面区域和热翅片效率的精确公式。原创性/值 - 没有传统的电弧长度假设,销钉被显示为有效的延伸表面,以从固定的热表面上除去过量的热量。导致最大基本传热速率的最佳销翅片尺寸也用于指定的鳍片量。

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