脉冲式平面热源法测量材料热导率和热扩散率的分析与实验

于帆; 张欣欣

doi:10.11949/0438-1157.20190550

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脉冲式平面热源法测量材料热导率和热扩散率的分析与实验

热力学 | 更新时间：2020-06-24

- 脉冲式平面热源法测量材料热导率和热扩散率的分析与实验
- Analysis and experiments of measuring thermal conductivity and diffusivity of materials by plane source-pulse transient method
- 化工学报 2019年70卷第S2期页码：70-75
- 作者机构：
  
  北京科技大学能源与环境工程学院，北京100083
- 作者简介：
  
  于帆（1964—），男，博士，教授，fanyu@me.ustb.edu.cn
- 基金信息：
- DOI：10.11949/0438-1157.20190550
  中图分类号： TK 311
- 收稿：2019-05-22，
  
  修回：2019-06-05，
  
  纸质出版：2019-09-05
- 稿件说明：
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于帆, 张欣欣. 脉冲式平面热源法测量材料热导率和热扩散率的分析与实验[J]. 化工学报, 2019, 70(S2): 70-75

YU Fan, ZHANG Xinxin. Analysis and experiments of measuring thermal conductivity and diffusivity of materials by plane source-pulse transient method[J]. CIESC Journal, 2019, 70(S2): 70-75
于帆, 张欣欣. 脉冲式平面热源法测量材料热导率和热扩散率的分析与实验[J]. 化工学报, 2019, 70(S2): 70-75 DOI： 10.11949/0438-1157.20190550.

YU Fan, ZHANG Xinxin. Analysis and experiments of measuring thermal conductivity and diffusivity of materials by plane source-pulse transient method[J]. CIESC Journal, 2019, 70(S2): 70-75 DOI： 10.11949/0438-1157.20190550.

摘要

对于脉冲式平面热源法实验中的脉冲加热持续时间对测量的影响以及热参数计算公式中的

系数做了理论分析，建立了相应的实验装置并对一些常见材料进行实际测量，系统分析了热导率和热扩散率以及体积热容测试的不确定度。

Abstract

The influence of pulse heating duration on measurement and the

coefficient in the formula for calculating thermal parameters in the experiment of plane source-pulse transient method are theoretically analyzed. The corresponding experimental apparatus is established and some commonly used materials are measured in practice. The uncertainty of thermal conductivity

thermal diffusivity and volume heat capacity measurement are systematically analyzed.

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