基于高温瞬态热响应的石英窗口导热系数反演

石宇; 夏新林; 陈学; 王秦阳; 康宏琳

doi:10.13224/j.cnki.jasp.20210222

基于高温瞬态热响应的石英窗口导热系数反演

doi: 10.13224/j.cnki.jasp.20210222

1.
哈尔滨工业大学能源科学与工程学院，哈尔滨 150001
2.
中国航天科工集团有限公司第三研究院北京空天技术研究所，北京 100074

基金项目: 国家自然科学基金（51806046）；中国博士后科学基金（2020T130145）

详细信息

作者简介:
石宇（1994-），男，博士生，主要从事高温导热辐射换热、高温热物性测量、辐射物性测量的研究。

通讯作者:
陈学（1985-），男，讲师，博士后，主要从事太阳能光-热转换利用，多孔介质材料辐射特性及耦合换热的研究。E-mail：hit_chenxue@hit.edu.cn

中图分类号: V219
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出版历程
- 收稿日期: 2021-05-09
- 刊出日期: 2022-04-28

Inversion of thermal conductivity of quartz window based on transient thermal response at high temperature

1.
School of Energy Science and Engineering，Harbin Institute of Technology，Harbin 150001，China
2.
Beijing Aerospace Technology Institute，The Third Academy，China Aerospace Science and Industry Corporation Limited，Beijing 100074，China

摘要

摘要: 提出一种利用高温加热下瞬态热响应信息来同时反演石英窗口在不同温度下导热系数的方法。结合实验测试过程，首先建立石英窗口-石墨板-石英窗口三明治结构高温非灰体辐射-导热耦合传热模型。再通过实际测试温度响应结果和材料光谱辐射特性参数，构建石英窗口导热系数的遗传算法反演辨识模型。采用1 100 K加热条件下实验数据，反演辨识获得了常温至1 100 K石英窗口导热系数介于1.35~2.58 $W / (m ? K)$ ，并拟合出高温导热系数关联式。结果表明：该材料辐射对导热系数影响随温度升高而增大，在1 100 K下辐射影响占比16.12%。最终通过变工况的高温传热过程测试，验证了方法的可靠性及导热系数数据的准确性。
- 石英窗口 /
- 瞬态热响应 /
- 导热系数 /
- 辐射-导热耦合传热 /
- 非灰体
Abstract: A method for simultaneous inversion of thermal conductivity of quartz window at different temperatures was presented by using transient thermal response information under high temperature heating.Combining the experimental test process，a high-temperature non-gray body radiative and conductive heat transfer model with a quartz window-graphite plate-quartz window sandwich structure was established firstly.Through the actual temperature response and the material's spectral radiation characteristic parameters，the genetic algorithm was used for constructing the inversion and identification model of the thermal conductivity of quartz window.The thermal conductivity of quartz window was inversed by the result data of 1 100 K heating conditions，ranging from 1.35 to 2.58 W/（m·K） at room temperature to 1 100 K，and the relationship between thermal conductivity and temperature was fitted.The influence of radiation on the thermal conductivity of the material increased with the temperature，accounting for 16.12% at 1 100 K.Finally，the method and the accuracy of the thermal conductivity data were verified by the additional high-temperature tests.
- quartz window /
- transient thermal response /
- thermal conductivity /
- radiative and conductive heat transfer /
- non-gray body

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参考文献(23)

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基于高温瞬态热响应的石英窗口导热系数反演

doi: 10.13224/j.cnki.jasp.20210222

作者简介:
石宇（1994-），男，博士生，主要从事高温导热辐射换热、高温热物性测量、辐射物性测量的研究。

通讯作者:
陈学（1985-），男，讲师，博士后，主要从事太阳能光-热转换利用，多孔介质材料辐射特性及耦合换热的研究。E-mail：hit_chenxue@hit.edu.cn

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Inversion of thermal conductivity of quartz window based on transient thermal response at high temperature

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留言板

基于高温瞬态热响应的石英窗口导热系数反演

doi: 10.13224/j.cnki.jasp.20210222

作者简介: 石宇（1994-），男，博士生，主要从事高温导热辐射换热、高温热物性测量、辐射物性测量的研究。

通讯作者: 陈学（1985-），男，讲师，博士后，主要从事太阳能光-热转换利用，多孔介质材料辐射特性及耦合换热的研究。E-mail：hit_chenxue@hit.edu.cn

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出版历程

Inversion of thermal conductivity of quartz window based on transient thermal response at high temperature

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出版历程

目录

作者简介:
石宇（1994-），男，博士生，主要从事高温导热辐射换热、高温热物性测量、辐射物性测量的研究。

通讯作者:
陈学（1985-），男，讲师，博士后，主要从事太阳能光-热转换利用，多孔介质材料辐射特性及耦合换热的研究。E-mail：hit_chenxue@hit.edu.cn