Properties of thermal insulation materials during extreme environment changes

被引：34
|
作者：
Bjork, Folke [1 ]
Enochsson, Tomas [2 ]
机构：
[1] Royal Inst Technol, Div Bldg Technol, SE-10044 Stockholm, Sweden
[2] Ramboll Sverige AB, SE-79119 Falun, Sweden
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2009年 / 23卷 / 06期
关键词：
Thermal insulation; Condensation; Drainage; Thermal transmissivity; Basotect; Moniflex; Isover; Railway carriages; FIBROUS INSULATION; MOISTURE TRANSFER; PERFORMANCE; HEAT;
D O I：
10.1016/j.conbuildmat.2008.12.006
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this experimental study properties of condense formation, drainage and moisture dependent heat transmittance were studied for three different thermal insulation materials often used in railway carriages; glass wool (from Isover), melamine foam (Basotect) and corrugated sheets of cellulose plastics (Moniflex). The materials are quite different with respect to condense formation and maximal moisture accumulation at similar environmental conditions. They showed also considerable differences in moistures' influence on thermal transmissivity. The higher the moisture accumulation, the bigger the moistures' influence on thermal transmissivity at steady state. At a sudden reversion of the temperature field the moisture gave a temporary effect of even higher heat transmission for 1-2 h. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2189 / 2195
页数：7
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