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Simulation of the thermal behaviour of a building retrofitted with a green roof: optimization of energy efficiency with reference to italian climatic zones

机译:模拟绿色屋顶建筑的热行为:参考意大利气候区优化能源效率

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摘要

Running a building energy simulation program (EnergyPlus), simulations were conducted on a 'public housing' building type, in\udorder to evaluate the energy savings achieved by a green roof coupled with different configurations of external wall. EnergyPlus\udenabled the investigation of the thermal behaviour variations of the building envelope, and the possible consequences, in terms of\udcomfort, on the temperature of the internal spaces. The variation of the energy behaviour of the building envelope type was\udassessed primarily through the analysis of the operative temperature T° of the elements of surface casing, the trend of the surface\udheat fluxes on the faces of the elements of internal and external housing, the variation of the operating temperature inside the\udrooms. The energy savings achieved with a green roof varies considerably in relation to the reference performance obtained\udwithout this kind of insulating structure. The main parameters, useful to define the contribution of the green roof to the reduction\udof the loads of cooling plants, consist of the specific climate and the thermal isolation level of the initial coverage.
机译:运行建筑能耗模拟程序(EnergyPlus),对\“公共房屋\”类型的建筑进行了模拟,以评估由绿色屋顶与不同配置的外墙实现的节能效果。 EnergyPlus能够调查建筑物围护结构的热行为变化,以及就舒适度而言可能对内部空间温度产生的影响。主要通过分析表层外壳的元件的工作温度T°,内外壳元件的表面上的表面\过热通量的趋势来分析\评估了建筑围护结构类型的能量行为的变化。 ,\室内的工作温度变化。相对于在没有这种绝缘结构的情况下获得的参考性能,使用绿色屋顶实现的节能差异很大。主要参数用于定义屋顶绿化对冷却设备负荷的减少/降低的作用,主要参数包括特定气候和初始覆盖范围的隔热等级。

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