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首页> 外文期刊>ISIJ international >A New Method for Apparent Thermal Conductivity Determination for Sheet Samples Utilizing Principle of Bunsen Ice Calorimeter
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A New Method for Apparent Thermal Conductivity Determination for Sheet Samples Utilizing Principle of Bunsen Ice Calorimeter

机译：利用本生冰量热原理测定片材表观导热系数的新方法

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摘要

A new apparatus to measure a heat flux across a sheet sample has been proposed to determine its apparent thermal conductivity. The heat flux was derived from the volume change caused by melting of ice utilizing the prin'ciple of the Bunsen Ice Calorimeter. Measurements were conducted using Ni-base super alloy (Incbnel 600), alumina and Teflon as samples to confirm the reasonability of this method, in addition to a simulation study. The apparent thermal conductivity values obtained are 14.7 + 0.4 Wm ~(-1)K~(-1) for Inconel at 281 K-287 K, 24.8±0.7 Wm ~(-1)K~(-1) for alumina at 281 K-287 K and 0.313±0.004 Wm ~(-1)K~(-1) for Teflon at 285 K-411 K, which are in very good agreement with the respective reported values. Discussion has been made on error factors of this method and a feasibility of this method being applied to measurements of apparent thermal conductivities of oxide scales formed on the steel surface under steep temperature gradient in the actual hot-rolling process.
机译：已经提出了一种测量薄片样品上的热通量的新设备，以确定其表观热导率。利用本生冰量仪的原理，由冰融化引起的体积变化得出热通量。除模拟研究外，还使用镍基超级合金（Incbnel 600），氧化铝和特富龙作为样品进行了测量，以确认该方法的合理性。对于Inconel在281 K-287 K下获得的表观热导率值为14.7 + 0.4 Wm〜（-1）K〜（-1），对于在281°C的氧化铝为24.8±0.7 Wm〜（-1）K〜（-1）特氟隆在285 K-411 K时的K-287 K和0.313±0.004 Wm〜（-1）K〜（-1）与各自报道的值非常吻合。已经讨论了该方法的误差因素，并且将该方法的可行性应用于在实际热轧过程中在陡峭的温度梯度下测量在钢表面上形成的氧化皮的表观导​​热系数的可行性。

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  • 来源
    《ISIJ international》 |2016年第2期|366-375|共10页
  • 作者

    Mu Ll; Rie ENDO; Li Ju WANG; Lei LI; Masahiro SUSA;

  • 作者单位

    Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, 152-8552 Japan;

    Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, 152-8552 Japan;

    School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164 USA;

    School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164 USA;

    Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, 152-8552 Japan;

  • 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 eng
  • 中图分类
  • 关键词

    Bunsen Ice Calorimeter; heat flux; apparent thermal conductivity; sheet sample; oxide scale;

    机译：本生冰热量计;热通量表观导热率片状样品氧化皮;

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