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首页> 外文期刊>Heat Transfer Engineering >Establishment of Modified-One-Dimensional and Two-Dimensional Models for Two-Directional Heat Conduction in a Wet Fin Assembly
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Establishment of Modified-One-Dimensional and Two-Dimensional Models for Two-Directional Heat Conduction in a Wet Fin Assembly

机译：湿翅片组件中二维热传导的修正一维和二维模型的建立

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摘要

This paper deals with an analysis of two-dimensional temperature distribution within a rectangular fin assembly under wet conditions and subject to convective condition at the primary inner wall. An analytical method based upon the separation of variables was suggested to determine the two-dimensional temperature field. A modified one-dimensional model was used to more closely approximate the results of the two-dimensional model; a one-dimensional classical model was also elaborated to provide a basis for comparison, allowing the two-dimensional effect to be established in the case of wet fins. Next, wet fin efficiency was determined. To establish the merit of the present work in considering the two-dimensional effect in wet fins, the results of the two-dimensional model were compared with those obtained from the one-dimensional classical models, demonstrating a considerable difference in their results for various design and psychrometric conditions. The wet-fin analysis presented herein is equally suitable for dry-surface fins by accounting for the absence of latent heat transfer.
机译：本文分析了矩形翅片组件在潮湿条件下并在主内壁处处于对流条件下的二维温度分布。提出了一种基于变量分离的分析方法来确定二维温度场。修改后的一维模型用于更接近地估算二维模型的结果。还详细说明了一维经典模型，以提供比较的基础，从而在湿鳍的情况下可以建立二维效果。接下来，确定湿翅效率。为了确定当前工作在考虑湿式鳍片中的二维效应的优点上，将二维模型的结果与从一维经典模型获得的结果进行了比较，证明了在各种设计中它们的结果有很大差异和测湿条件。考虑到不存在潜热传递，本文提出的湿翅片分析同样适用于干表面翅片。

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  • 来源
    《Heat Transfer Engineering》 |2017年第4期|190-205|共16页
  • 作者

    Balaram Kundu; Pratul Biswas; Kwan-Soo Lee;

  • 作者单位

    Department of Mechanical Engineering, Jadavpur University, Kolkata, India;

    Department of Mechanical Engineering, Jadavpur University, Kolkata, India;

    School of Mechanical Engineering, Hanyang University, Seoul,Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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