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%.
出处
《仪器仪表学报》
EI
CAS
CSCD
北大核心
2000年第1期98-99,103,共3页
Chinese Journal of Scientific Instrument
关键词
热物理参数
智能测试系统
热电偶
平面热源法
Thermal physical properties Intelligent measuring system Thermocouple An plane heat source method with constant heat rate
