According to theoretical analysis , a formula that is used in the calculation of heat transfer coefficient can be deduced and the formula is verified with experiment data 本文通过理论分析,推导出非稳态传热情况下,围护结构传热系数的计算公式,并且用试件试验数据进行验证。
Tianjin metro line 1 adopted this technology in its renovation project of the existing tunnel at the norshwest - southwest corner , and obtained good engineering results 天津市地铁1号线工程西北角西南角既有区间隧道改建工程的围护结构施工中采用了该技术，并取得了良好的效果。
Analyses the determination of surface heat transfer coefficient , interior building envelope load , air infiltration load , equipment load and heat storage load , etc 摘要分析了民用建筑舒适性空调负荷计算中表面传热系数、内围护结构负荷、渗透风负荷、设备负荷、蓄热负荷的确定等问题。
Ehtv is suited energy consume calculation for all region , ehtv reflects the effect of envelop heat exchange . base ehtv is a better energy design value Ehtv法能适应各种气象条件下的节能设计和计算， ehtv指标能反映建筑围护结构的保温隔热水平，基准ehtv指标为更合理的节能设计指标。
Not only including the heat transfer of envelop , it is also considered air infiltration inner heat gain lighting energy efficiency ratio for energy consume calculation 建筑能耗计算不仅考虑围护结构的传热，而且要包括空气渗透传热、内部得热、室内照明、空调采暖设备的能效比等因素。
The increased demand during the last two decades for more precise methods to calculate heating and cooling loads has led to many studies of the transient heat flow to ( and from ) the ground 在过去的二十年中,由于需要更精确的计算空调冷热负荷,使得触地围护结构不稳定传热成为研究的焦点。
Concludes that the envelope of heavy quality material plus external heat insulation layer is very beneficial to improving the indoor thermal environment in natural ventilated buildings 研究表明在该地区完全靠自然通风的建筑中使用重质材料加外保温层的围护结构对于改善室内热环境是非常有利的。
