摘要
研制了一套能在4~300K温区和1×10 ̄(-4)~1×10 ̄2W.cm ̄(-1)·K ̄(-1)导热系数范围内,测出各种固体材料导热系数的装置。本文介绍了装置的原理、结构、几种工程材料导热系数的测试结果。该装置具有结构简单、操作方便等优点。
The apparatus for measuring the heat transfer coefficient of va-rious solid materials used in 4.2~300K temperature range and1×10-4~1×102W·cm-1·K-1 heat transfer coefficient range has been developed.The paper introduces the principle and the construction of this apparatus and its measuring results of some engineering materials.The apparatus has such advantages as simple construction,convenient operation and so on.
出处
《低温工程》
CAS
CSCD
1994年第4期31-35,共5页
Cryogenics
关键词
低温
固体材料
导热系数
测量
low temperature
solid material
heat transfer coefficient
mea-surement