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Wall insulation effect on building energy efficiency with the intermittent and compartmental energy consuming method

机译:壁绝缘效应与间歇储能法建设能效的效果

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Based on the intermittent and compartmental energy consuming method of residential buildings in Hot Summer and Cold Winter Zone, a two-dimensional heat transfer model of one household flat is built for a transient study of the wall insulation effect on building energy efficiency. With the mode of compartmental energy consuming, the energy consumption of interior walls accounts for nearly 45% of the total amount, thus insulation for interior walls should be taken into more consideration as well as for exterior walls. With the intermittent energy consuming mode, exterior wall external insulation can decrease air-conditioner heating load. However, when cooling in summer nights, the temperature of wall is higher than both indoor and outdoor. External insulation hinders heat in walls from dissipating to outside, and thus there is an "anti-insulation" effect existing here. Interior insulation can effectively decrease both heating and cooling loads of air-conditioner.
机译:基于炎热夏季和冷冬区住宅建筑的间歇和隔间能耗方法,建立了一个家庭平板的二维传热模型,为墙壁绝缘效应对建筑能效的瞬态研究。随着隔室能量消耗的方式,内壁的能量消耗占总量的近45%,因此应将内壁的绝缘作为更多的考虑以及外壁。通过间歇的能量消耗模式,外壁外部绝缘可以降低空调加热负荷。但是,在夏季夜间冷却时,壁的温度高于室内和室外。外部绝缘阻碍了墙壁的热量,从而耗散到外部,因此这里存在“抗绝缘”效果。内部绝缘可以有效地降低空调的加热和冷却负载。

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