| 瞬态热线法液体导热系数测试系统的研制 |
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| 引用本文： | 张洪武,潘江,王玉刚.瞬态热线法液体导热系数测试系统的研制[J].中国计量学院学报,2010,21(4). |
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| 作者姓名： | 张洪武 潘江 王玉刚 |
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| 作者单位： | 中国计量学院计量测试工程学院 |
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| 基金项目： | 国家自然科学基金，浙江省自然科学基金 |
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| 摘 要： | 根据瞬态热线法测量导热系数的原理,研制了测量装置和数据采集系统.利用阳极氧化的方式,在热线表面进行绝缘处理,使其能够适用于导电性或者极性物质的导热系数的研究.为了检验该系统的性能,在常温常压下对蒸馏水的导热系数进行了测量.测试结果表明,该系统能够满足导热系数测试的需要.
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| 关 键 词： | 导热系数 液体 瞬态热线法 |
Development of experimental systems for measurement of liquid thermal conductivity by the transient hot-wire technique |
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| ZHANG Hong-wu,PAN Jiang,WANG Yu-gang.Development of experimental systems for measurement of liquid thermal conductivity by the transient hot-wire technique[J].Journal of China Jiliang University,2010,21(4). |
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| Authors: | ZHANG Hong-wu PAN Jiang WANG Yu-gang |
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| Affiliation: | ZHANG Hong-wu; PAN Jiang; WANG Yu-gang(College of Metrology and Measurement Engineering; China Jiliang University; Hangzhou 310018; China); |
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| Abstract: | A new experimental instrument and date acquisition system for measuring the thermal conductivity of liquid was established based on the transient hot-wire technique.An anodized tantalum wire was used as the sensing element in the cell,and the instrument was suitable for the measurements of electrically conducting or polar liquids.The thermal conductivity of distilled water was measured to test the performance of the apparatus.The results show that the system can be used for the research of thermal conductiv... |
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| Keywords: | thermal conductivity liquid transient hot-wire technique |
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