双热流计法测定聚氨酯保温材料的导热系数  

Twin Heat Flow Meter Measurement Methods for Thermal Conductivity of Polyurethane Thermal Insulation Materials

作　　者：李杰妹[1] 

机构地区：[1]黎明化工研究院,河南洛阳471000

出　　处：《化学推进剂与高分子材料》2010年第1期63-66,共4页Chemical Propellants & Polymeric Materials

摘　　要：简要介绍了几种测定固体材料导热系数的方法,重点讨论了稳态双热流计法测定聚氨酯保温材料导热系数的方法原理、导热仪的结构、影响测试结果的因素,并对提高检测结果的准确性、减少误差提出了建议。Several measurement methods for thermal conductivity of solid materials are introduced briefly. The method principle of the steady-state twin heat flow meter technique for determining the the thermal conductivity of polyurethane thermal insulation materials, the structure of thermal conductivity meter and the influence factors on the testing results are .discussed emphatically, and some suggestions for improving the accuracy of the testing results and reducing error are proposed.

关 键 词：导热系数 导热仪 双热流计 保温材料 固体材料 测定方法 

分 类 号：TQ323.8[化学工程—合成树脂塑料工业]