Using Porous Fins for Heat Transfer Enhancement

S. Kiwan; M. A. Al-Nimr

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Using Porous Fins for Heat Transfer Enhancement

机译：使用多孔鳍片增强传热

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摘要

This work introduces a novel method that enhances the heat transfer from given surface by using porous fins. The thermal performance of porous fins is estimated and compared with that of the conventional solid fins. It is found that using porous fin of porosity ∈ may enhance the performance of an equal size conventional solid fin and, as a result, save 100 ∈ percent of the fin material. The effect of different design and operating parameters on the porous fin thermal performance is investigated. Examples of these parameters are Ra number, Da number, and thermal conductivity ratio.

机译：这项工作介绍了一种新方法，该方法通过使用多孔散热片来增强从给定表面的传热。估计了多孔翅片的热性能，并将其与常规固体翅片的热性能进行了比较。结果发现，使用孔隙率ε的多孔翅片可以增强同等尺寸的传统固体翅片的性能，结果节省了翅片材料的100ε％。研究了不同设计和操作参数对多孔翅片热性能的影响。这些参数的例子是Ra数，Da数和热导率。

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来源
《Journal of Heat Transfer》 |2001年第4期|p.790-795|共6页
作者
S. Kiwan; M. A. Al-Nimr;
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作者单位

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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、热机;
关键词
Conduction; Finned Surfaces; Heat Transfer;

机译：传导翅片表面;传播热量;

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2. Flow and Heat Transfer Correlations for Porous Fin In a Plate-Fin Heat Exchanger [J] . S.Y. Kim, J.W. Paek, B.H. Kang Journal of Heat Transfer . 2000,第3期

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3. INVESTIGATION OF HEAT TRANSFER ENHANCEMENT THROUGH POROUS RADIAL FINS WITH VARIABLE THERMAL CONDUCTIVITY [J] . T. G. Motsumi JP journal of heat and mass transfer . 2016,第2期

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6. Adomian decomposition sumudu transform method for solving a solid and porous fin with temperature dependent internal heat generation [O] . Trushit Patel, Ramakanta Meher -1

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7. Performance Evaluation of Heat Transfer Enhancement in Plate-fin Heat Exchangers with Offset Strip Fins [O] . Yujie Yang, Yanzhong Li, Biao Si, 2015

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8. HE HEAT TRANSFER AND FLOW FRICTION CHARACTERISTICS OF A WAVY FIN, A STRIP FIN, AND A PERFORATED FIN HEAT TRANSFER SURFACE [R] . W. M. KAYS 1958

机译：一种波浪翅片，条带翅片和穿孔翅片传热面的HE传热和流动摩擦特性

Using Porous Fins for Heat Transfer Enhancement

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