恒功率平面热源法智能热物理参数测试系统  

An Intelligent Measuring System for Thermal Physical Properties by Plane Heat Source Method with Constant Heat Rate

作　　者：禹国强[1] 刘安伟[1] 张国君[1] 胡小唐[1] 

机构地区：[1]天津大学精密仪器及光电子工程学院,300072

出　　处：《仪器仪表学报》2000年第1期98-99,103,共3页Chinese Journal of Scientific Instrument

摘　　要：本文介绍了一种采用恒功率平面热源法测试热物理参数的智能化系统。论述了系统测试原理和软硬件结构。该系统具有测量准确度高、自动化程度高和操作方便等特点。测试结果表明 ,导热系数和导温系数的测试误差均小于± 4%。An intelligent measuring system for thermal physical properties is presented in this paper. The structures of hardware and software. and the measuring method of the system are discussed in details. The system can measure automatically and conveniently with high a precision. It is proved by the result that the maximum errors α and λ are ±4%.

关 键 词：热物理参数 智能测试系统 热电偶 平面热源法 

分 类 号：TH81[机械工程—仪器科学与技术]