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一种全自动的准稳态法导热系数测量装置
百灵千岛酱
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一种全自动的准稳态法导热系数测量装置
Fully Automated Mea uring Apparatu of Thermal Conductivity by u ing Qua i_ teady State Method
摘要在对准稳态法测量导热系数原理分析的基础上，研制了一套用准稳态法测量导热系数的实验装置，克服了以往准稳态法导热系数测量装置中存在的一些不足，同时开发了运行于Windows 环境下的全自动测量软件。最后利用已知热物性数据的标准试样有机玻璃对装置进行了检验。实验结果表明，所研制的实验装置能够准确地测得一定范围内固体试样的导热系数，并可满足实际工程
导热系数测量的需要。
关键词准稳态法导热系数自动化测量
Abstract On the basis of analysis of the principle of the quasi-steady state technique to measure the thermal conductivity，a fully automated apparatus to measure the thermal conductivity was developed.Many disadvantages in previous apparatus had been overcome. In addition，automatic measurement software running in Windows environment was developed. Finally，the apparatus was tested with a calibrated sample of which the thermal property data are known.The experimental results indicated that the apparatus is able to measure thermal conductivity of solid samples precisely in certain range and meet the requirements in engineering application.
Keywords Quasi-steady state method Thermal conductivity Automated measurement
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