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三种墙体保温隔热性能的数值分析

汤莉1+ ,汤广发2
(1.中南大学土木建筑学院,湖南长沙410075;2.湖南大学土木工程学院,湖南长沙410082)
 

摘要:利用计算流体力学和计算传热学的方法,建立数值仿真的物理模型和数学模型,对比较适合“夏热冬冷”地区的三种外墙进行了传热计算,并用相关资料进行验证.通过数值仿真计算了由墙体传入室内的热量(夏季)或由室内通过墙体传到室外的热量(冬季),并对三种墙体的热工性能进行了比较.研究结果表明外挂式封闭间层墙体的夏季隔热性能及冬季保温性能都较好。可以在“夏热冬冷”地区推广使用.
 

关键词:建筑节能;动态模拟;保温;隔热


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