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Investigating Entropy Generation in a Thermal Cloak Corresponding Different Material Layer Number

机译:研究对应于不同材料层数的热身斗篷中的熵产生

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摘要

In this study, entropy analysis was introduced to characterize the thermodynamic properties of a two-dimensional (2D) thermal cloak consisting of multiple layers. The local entropy generation rate distribution was obtained, and the total entropy generation of different models was calculated. The irreversible extent of the heat transfer increased in the even layers with larger thermal conductivities. A better thermal cloak not only enhances thermal protection but also concentrates the energy fluctuations on the plate. The augmentation entropy generation number is used to identify the best cloaking scheme by varying the cloaking layer number from 1 to 20. This work shows that the fitting equation derived by analysis of variance (ANOVA) can be used to optimize the number of layers of the cloaking structure.
机译:在这项研究中,引入了熵分析来表征由多层组成的二维(2D)热身斗篷的热力学性质。获得局部熵产生率分布,并计算不同模型的总熵产生。在具有较大热导率的均匀层中,不可逆的传热程度增加。更好的热披风不仅可以增强热保护效果,而且可以将能量波动集中在板上。增强熵生成数用于通过将隐身层数从1更改为20来识别最佳隐身方案。这项工作表明,可以使用通过方差分析(ANOVA)得出的拟合方程来优化隐身层的层数。隐身结构。

著录项

  • 来源
    《Journal of Heat Transfer》 |2017年第5期|054501.1-054501.5|共5页
  • 作者单位

    School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 15001, China;

    School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 15001, China;

    School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 15001, China;

    School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 15001,China;

    School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 15001, China;

  • 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
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