| 应用激光引发热栅方法测量液体热扩散系数的研究 |
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| 引用本文： | 汪军菲.,马. 应用激光引发热栅方法测量液体热扩散系数的研究[J]. 上海理工大学学报(社会科学版), 1998, 0(1): 1-9 |
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| 作者姓名： | 汪军菲. 马 |
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| 作者单位： | 上海理工大学,德国波鸿鲁尔大学 |
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| 基金项目： | 德国科研联合会（DFG）资助项目 |
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| 摘 要： | 综述了流体工质导热系数及热扩散的各种测量技术,阐明了应用激光引发热栅方法测量液体热扩散系数的理论、实验装置和实验技术,给出了应用该方法测量液体以及液体混合物热徼扩散系数的一些典型结果,并与文献数据进行了比较。
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| 关 键 词： | 导热系数 激光引发热栅 热扩散系数 |
Determination of the thermal diffusivity of liquids by a laser induced thermal grating technique |
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| Wang Jun Chen Zhihang. Determination of the thermal diffusivity of liquids by a laser induced thermal grating technique[J]. Journal of University of Shanghai For Science and Technilogy(Social Science), 1998, 0(1): 1-9 |
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| Authors: | Wang Jun Chen Zhihang |
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| Abstract: | As an innovative optical method, the laser induced thermal grating technique has been used for the measurement of the thermophysical properties of working fulids. This measurement technique has been developed to determine thermophysical properties nuder special conditions, particularly in the fields related to high technology research and development. These special conditions include electrical conductivity, corrosiveness, toxicity and anisotropy of the sample, and extremely high or low temperatures and pressures. In the present paper, the authors interpreted in detail the principle, measuring technique and experimental apparatus for determining the thermal diffusivity of liquids using the lader induced thermal grating technique. Some typical measuring results were presented and compared with those from other sources. |
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| Keywords: | measurement thermal conductivity laser induced thermal grating thermal diffusivity thermophysical properites diffraction |
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