Orthotropic thermal conductivity effect on cylindrical pin fin heat transfer

Raj Bahadur; Avram Bar-Cohen

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Orthotropic thermal conductivity effect on cylindrical pin fin heat transfer

机译：正交各向异性导热对圆柱销翅片传热的影响

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摘要

Analytical equations for temperature distribution and heat transfer rate from a cylindrical pin fin with orthotropic thermal conductivity, encountered in the use of thermally enhanced polymer composites, are derived and validated using detailed finite-element results. The thermal performance of such fins was found to depart from the classical fin solution with increasing radial conductivity-based Biot number. The in depth analysis of developed orthotropic axi-symmetric pin fin temperature and heat transfer rate equation is carried out to better understand the heat flow rate in such fins.

机译：在使用热增强型聚合物复合材料的过程中遇到的具有正交各向异性导热性的圆柱销形翅片的温度分布和传热速率的分析方程式得到了推导，并使用了详细的有限元结果进行了验证。人们发现，随着基于径向电导率的比奥特数的增加，这种鳍片的热性能与经典鳍片解决方案背道而驰。对已开发的正交各向异性轴对称销翅片温度和传热速率方程进行了深入分析，以更好地了解此类翅片的热流率。

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来源
《International Journal of Heat and Mass Transfer》 |2007年第6期|p.1155-1162|共8页
作者
Raj Bahadur; Avram Bar-Cohen;
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作者单位

Intel Corporation, Chandler, AZ 85226, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
关键词
orthotropic thermal conductivity; biot number; pin fin heat transfer; polymer composites; carbon fiber; fin optimization; heat sink;

机译：正交各向异性导热系数;比奥数;销翅片传热;聚合物复合材料;碳纤维;翅片优化;散热片;

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4. ORTHOTROPIC THERMAL CONDUCTIVITY EFFECT ON CYLINDRICAL PIN FIN HEAT TRANSFER [C] . Raj Bahadur, Avram Bar-Cohen Advances in Electronic Packaging 2005 pt.A . 2005

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Orthotropic thermal conductivity effect on cylindrical pin fin heat transfer

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