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首页> 外文期刊>Journal of Heat Transfer >Louver Finned Heat Exchangers for Automotive Sector:Numerical Simulations of Heat Transfer and Flow Resistance Coping With Industrial Constraints
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Louver Finned Heat Exchangers for Automotive Sector:Numerical Simulations of Heat Transfer and Flow Resistance Coping With Industrial Constraints

机译：汽车领域的百叶窗翅片式换热器：应对工业约束的传热和流阻的数值模拟

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摘要

Louveredfins perform better than any other geometry in accomplishing the task of enhancing heat transfer of compact heat exchangers without prohibitive costs and pressure drops. For this reason, they are widely adopted for automotive applications. However, in order to improve louvered-fin compact heat exchangers, it is strongly required to understand how louvered fins behave regarding both heat transfer and pressure drop taking into account industrial constraints. For this purpose, numerical simulations based on the equations of thermofluid dynamics have been developed for this study. In particular, boundary heat flux and pressure distributions have been analyzed along the louvered-fin assembly and around the louvers, and even the effects of the flat portions (central and lateral louvers) have been investigated. In particular, the effects of the main geometrical parameters, such as fin pitch, louver pitch, and louver angle, have been evaluated by performing simulations on 40 different configurations. The results show that there is not one optimum configuration for the heat exchangers. Finally, a detailed procedure for the optimization of louvered-fin compact heat exchangers, considering industrial constraints is suggested according to multiple regression technique of the numerical results.
机译：百叶窗翅片在完成紧凑型热交换器的传热任务时，比任何其他几何形状都具有更好的性能，而不会带来高昂的成本和压降。因此，它们被广泛用于汽车应用。然而，为了改善百叶窗式紧凑型热交换器，强烈需要理解百叶窗式散热片在考虑到工业限制的同时关于传热和压降的行为。为此，已经为该研究开发了基于热流体动力学方程的数值模拟。尤其是，已经分析了沿百叶窗式散热片组件以及百叶窗周围的边界热通量和压力分布，甚至研究了平坦部分（中央百叶窗和横向百叶窗）的影响。尤其是，主要的几何参数（例如鳍间距，百叶窗间距和百叶窗角度）的影响已通过对40种不同配置进行仿真来评估。结果表明，热交换器没有一种最佳配置。最后，根据数值结果的多元回归技术，提出了考虑工业约束的百叶窗式紧凑型换热器的优化程序。

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  • 来源
    《Journal of Heat Transfer》 |2013年第12期|121801.1-121801.12|共12页
  • 作者

    M. Ferrero; A. Scattina; E. Chiavazzo; F. Carena; D. Perocchio; M. Roberti; G. Toscano Rivalta; P. Asinari;

  • 作者单位

    Department of Mechanical and Aerospace Engineering,Politecnico di Torino,Turin 10129, Italy;

    Department of Mechanical and Aerospace Engineering,Politecnico di Torino,Turin 10129, Italy;

    Energy Department,Politecnico di Torino,Turin 10129, Italy;

    DENSO Thermal Systems,Poirino 10046, Italy;

    DENSO Thermal Systems,Poirino 10046, Italy;

    DENSO Thermal Systems,Poirino 10046, Italy;

    DENSO Thermal Systems,Poirino 10046, Italy;

    Energy Department,Politecnico di Torino,Turin 10129, Italy;

  • 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
  • 关键词

    heat exchanger; louver fin; CFD modeling;

    机译：热交换器;百叶窗鳍CFD建模;

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