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Optimal design of conductive natural branched pathways for cooling a heat-generating volume

机译：用于冷却发热体积的导电天然支链途径的最佳设计

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摘要

The application of constructal networks to cool a heat-generating volume has been the subject of many research studies in the past decade. However, the current volume-point constructs mainly include rectangular, triangular, and parabolic-shaped constructs, and none of them are similar to the constructs of common plant leaves in nature. A bionic quadrilateral volume based on the shape of common leaf veins is proposed, and the heat-conductive model of the quadrilateral volume is established. The analysis results show that the minimal peak temperature difference can be as low as 1.3k when the porosity α_1 of the quadrilateral volume is equal to 0.15; the recommended value of interval number n of central link is 30, the optimal value of exponent m_1 of the width of central link is about 0.9; and the optimal value of the aspect ratio H_1/L_1 remains nearly constant at 0.7. When the quadrilateral volume obtains highest heat conductivity, the branching cooling links should be perpendicular to the central link.
机译：构造网络在过去十年中的许多研究研究的应用已经存在于发热体积的主题。然而，目前的音量构建体主要包括矩形，三角形和抛物面形状的构建体，它们都不是与普通植物叶子的结构相似。提出了基于普通叶静脉形状的仿生四边形体积，建立了四边体积的导热模型。分析结果表明，当四边形体积的孔隙率α_1等于0.15时，最小峰值温度差可以低至1.3k;中心链路的间隔数n的推荐值为30，中央链路宽度的指数M_1的最佳值约为0.9;纵横比H_1 / L_1的最佳值在0.7时保持几乎恒定。当四边形容积获得最高的导热率时，支化冷却连杆应垂直于中心环节。

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  • 来源
    《Heat transfer》 |2021年第3期|2571-2591|共21页
  • 作者

    Yinglin Li; Mengli Feng;

  • 作者单位

    School of Energy and Mechanical Engineering Nanjing Normal University Nanjing China;

    School of Energy and Mechanical Engineering Nanjing Normal University Nanjing China;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bionic path; construct theory; heat conduction; volume-point;

    机译：仿生路径;构建理论;热传导;卷点;

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