摘要
运用非稳态法测定银杏木空心刨花板的导热系数,同时探讨了不同厚度空气层对复合墙体传热阻的影响。结果表明,绝干时空心刨花板的导热系数为0.136 W/(m.K),可以作为保温材料;当空气层厚度<74 mm时,复合墙体的传热阻随空气层厚度的增加而增大。
The unsteady state was used to measure tubular gingko particleboard coefficient of heat conductivity.The authors found that the heat conductivity coefficient of the particleboard less than 0.233 W/（m·K）,met the requirements for construction insulating material.They also found during this study that an air space in the sandwich wall had a considerable effect in the heat-conducting property,that was,the larger the air space the better the heat insulation.The results showed that sandwich wall,which had a 23 mm air space,provided 3.21 and 1.77 times better heat insulation properties than a reinforced concrete wall and a porous brick wall,respectively.
出处
《木材工业》
北大核心
2010年第5期5-7,共3页
China Wood Industry
基金
江苏省自然科学基金-企业博士创新项目(BK2009530)
关键词
空心刨花板
复合墙体
银杏木
导热系数
传热阻
tubular particleboard
sandwich wall
ginkgo
coefficient of heat conductivity
resistance of heat transfer
