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首页> 外文期刊>Journal of Heat Transfer >Mie Scattering Theory for Phonon Transport in Particulate Media
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Mie Scattering Theory for Phonon Transport in Particulate Media

机译:声子在颗粒介质中传输的米氏散射理论

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摘要

Scattering theory for the scattering of phonons by paniculate scatterers is developed in this paper. Recently the author introduced the generalized equation of phonon radiative transport (GEPRT) in paniculate media, which included a phase function to account for the anisotropic scattering of phonons by paniculate scatterer. Solution of the GEPRT showed that scattering cross section is different from the thermal transport cross-section. In this paper formulations for the scattering and transport cross section for horizontally shear (SH) wave phonon or transverse wave phonon without mode conversion is developed. The development of the theory of scattering and the transport cross section is exactly analogous to the Mie scattering theory for photon transport in paniculate media. Results show that transport cross section is very different from the scattering cross section. The theory of phonon scattering developed in this paper will be useful for the predictive modeling of thermal conductivity of practical systems, such as nanocomposites, nano-micro-partide-laden systems, etc.
机译:本文提出了一种由圆锥形散射体散射声子的散射理论。最近,作者介绍了在声波介质中声子辐射传输的广义方程(GEPRT),该方程包括一个相位函数,以解释声波由声散射体的各向异性散射。 GEPRT的解决方案表明,散射截面与热传递截面不同。在本文中,开发了无模式转换的水平剪切声子或横波声子的散射和传输截面的公式。散射和传输截面理论的发展与用于米质介质中光子传输的Mie散射理论完全相似。结果表明,传输截面与散射截面截然不同。本文开发的声子散射理论将对实际系统的热导率预测模型有用,例如纳米复合材料,纳米微颗粒负载系统等。

著录项

  • 来源
    《Journal of Heat Transfer》 |2004年第5期|p.793-804|共12页
  • 作者

    Ravi S. Prasher;

  • 作者单位

    Assembly Technology Development, CH5-157, Intel Corporation, 5000 W. Chandler Blvd., Chandler, AZ 85226-3699;

  • 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 热力工程、热机;
  • 关键词

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