摘要
建立围护结构内部热传导的微分方程,运用有限差分法利用计算机求解,得到不同保温层厚度下与室内热量交换情况。结合保温层建造费用与室内制冷和保暖费用,求得保温层的最佳厚度。热工测试表明模型设计值与实测值吻合较好,这一算法为节能建筑设计提供科学参考。
Heat conduction differential equations were presented in the building envelope,and the numerical solutions were worked out by computer for the analysis of the heat exchange between the building envelope and the room.The most economical thickness of insulation layer was figured out by the minimal total cost of insulation layer and heat preservation for the roof.Thermal experiment demonstrated the conformity between the numerical solution and the measured values,and this method could provide scientific reference for energy saving building design.
出处
《工业建筑》
CSCD
北大核心
2009年第S1期171-174,共4页
Industrial Construction
关键词
不稳定传热
有限差分法
保温层
节能建筑
unsteady heat conduction
finite difference
insulation layer
energy saving building
