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Effective properties of a thermoelectric composite containing an elliptic inhomogeneity

机译:包含椭圆异质性的热电复合材料的有效特性

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摘要

In this paper we use complex variable methods to develop the effective properties of a thermoelectric composite containing an elliptic inhomogeneity. We provide closed-form representations of the effective electric conductivity, the Seebeck coefficient, the thermal conductivity and the thermoelectric figure of merit for a square area containing the elliptic inhomogeneity. In addition, we present explicit expressions for and a discussion of the effective properties of the composite in the particular case of a circular inhomogeneity. In this case, we find that the effective figure of merit can exceed more than 6.4% of that of each constituent for a precise ratio of material parameters. Consequently, our analysis provides a new approach for improving the performance of thermoelectric devices and the design of thermoelectric composites. (C) 2019 Elsevier Ltd. All rights reserved.
机译:在本文中,我们使用复杂的变量方法来开发包含椭圆不均匀性的热电复合材料的有效特性。对于包含椭圆不均匀性的正方形区域,我们提供有效电导率,塞贝克系数,热导率和热电系数的闭合形式表示。另外,我们给出了在圆形不均匀性的特殊情况下复合材料的有效表达的明确表达和讨论。在这种情况下,我们发现,对于精确的材料参数比率,有效品质因数可以超过每种成分的品质因数的6.4%以上。因此,我们的分析提供了一种改进热电器件性能和热电复合材料设计的新方法。 (C)2019 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2019年第6期|1319-1326|共8页
  • 作者单位

    Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R China|Univ Alberta, Dept Mech Engn, Edmonton, AB T6G 1H9, Canada;

    Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R China;

    Univ Alberta, Dept Mech Engn, Edmonton, AB T6G 1H9, Canada;

    Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R 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
  • 关键词

    Thermoelectric material; Effective properties; Figure of merit;

    机译:热电材料;有效性能;优点;

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