ハロゲンフラッシュ法による熱拡散率,比熱,熱伝導度の同時測定におけるMarquardt法の適用

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  • Application of Marquardt Method to Simultaneous Measurement of Thermal Diffusivity, Specific Heat and Thermal Conductivity with Halogen Flash Method
  • ハロゲン フラッシュホウ ニヨル ネツ カクサンリツ ヒネツ ネツ デンドウド

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Parameter fitting with the Marquardt method was applied to simultaneous measurements of thermal diffusivity, specific heat and thermal conductivity with the halogen flash method.<BR>Thermal diffusivity, specific heat and thermal conductivity of dense Al2O3 samples (8.55mm in diameter and 10mm in thickness) were measured with the above method. The influence of radiation from the side of the sample on thermal diffusivity was examined with two kinds of analytical solutions (cylinder and infinite plate). The heat loss by radiation from the side of the sample was negligible in this work. The measurement results agreed well with reference values.

収録刊行物

  • 鉄と鋼

    鉄と鋼 83 (11), 707-712, 1997

    一般社団法人 日本鉄鋼協会

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