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An accurate low-frequency model for the 3omega method

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摘要

An analytical solution of the 3D heat diffusion problem, in the two-pad and four-pad 3omegaexperimental technique configurations, is achieved using integral transforms. It leads to rapid calculation of the average temperature on the heated area without any numerical problems whatever the dimensions of the narrow strip. Such an analytical resolution is of great interest in the low-frequency range, which is generally concerned by the method, where the finite thickness of the material plays a crucial role. In particular, we demonstrate that the 3D method is required to correctly calculate the heat diffusion along a narrow strip, when its length is particularly short, as it is the case in the two-pad configuration.

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  • 来源
    《Journal of Applied Physics》 |2007年第10期|104510-1-104510-5-0|共5页
  • 作者

    J.-L. Battaglia; C. Wiemer; M. Fanciulli;

  • 作者单位

    Ecole Nationale Superieure d'Arts et Metiers, Esplanade des Arts et Metiers, 33405 Talence Cedex, France;

    Institute of Chemistry, Academia Sinica, Taipei, Taiwan, P.R.C.;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 应用物理学;计量学;
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