Noninvasive measurement of thermal conductivity and thermal diffusivity of biological materials (preliminary examination of heat transfer models and measurement accuracy)

Satoru Uchida, Keisuke Yoshida, Hiroshi Takamatsu, King Zhang, Motoo Fujii

研究成果: Contribution to journalArticle査読

抄録

A nonivasive technique was developed to measure the thermal conductivity and the thermal diffusivity of biological materials. This technique involves laser heating and infrared thermometry of target surface. The thermophysical properties are determined by comparing measured temperatures with those calculated analytically using an appropriate model. In this paper, heat transfer models that incorporate heat loss from the surface and laser absorption within the material were discussed. The accuracy of measurement was then examined using simulated experimental data that were generated by adding perturbation to a theoretical temperature response. The thermal conductivity and the thermal diffusivity of biomaterials. which are similar to those of water, are expected to be determined within an error of 1% and 6%. respectively.

本文言語英語
ページ(範囲)2774-2779
ページ数6
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
72
11
DOI
出版ステータス出版済み - 11 2006

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 機械工学

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