基于PASCO平台的稳态法测量导热系数

Thermal conductivity measurement by steady-state method based on PASCO

不良导体导热系数测量普遍采用稳态法,现有的导热系数测定仪存在测量时间长,操作不便等问题。针对这些问题,介绍了新的实验装置和实验方法,从而实现自动数据采集、处理和导热系数的计算、显示和输出打印,并通过实验进行了验证。与传统的测量方式相比,该实验模型直观准确,测量方法精确灵活,完全满足高等院校和研究所等科研单位的要求。

Steady state method is mostly adopted in measuring thermal conductivity.For the traditional thermal conductivity instrument has the disadvantages such as long working time and complicated operation,a new experimental device and an experimental means are proposed.The system can achieve date collection,processing and calculating thermal conductivity coefficient,displaying and printing measuring results,which are verified by experiment.Compared with the traditional measuring method,the test model is intuitive and accurate,and the measuring method is flexible.The system is quite suitable for colleges and research institutes.