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Simulation study of a naturally ventilated building integrated photovoltaic (BIPV) envelope

机译:天然通风建筑集成光伏(BIPV)信封的仿真研究

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This paper addresses the numerical simulation of a partially transparent, ventilated PV facade designed for cooling in summer (by natural convection) and for heat recovery in winter (with the aid of mechanical ventilation). For both configurations, air in the cavity between the two building skins (photovoltaic facade and the primary building wall) is heated by transmission through transparent glazed sections, and by convective and radiative exchange. First we describe the model for the naturally ventilated envelope. Validation of the model and the subsequent simulation of a building-coupled system are then presented, which were undertaken using experimental data from the RESSOURCES project (ANR-PREBAT 2007). The dataset comprise measurements from a full scale prototype system installed on a real office building in Toulouse, France. Finally the heating and cooling needs of a simulated building were calculated and the impact of climatic variations on the system performance was investigated. The PV double-skin was found to result in a slight increase in cooling needs for all the French climates considered, whereas the impact of the facade on heating needs was found to be not predominant from point of view energetic.
机译:本文介绍了用于在夏季(自然对流)冷却的部分透明,通风光伏外观的数值模拟,并在冬季进行热量回收(借助机械通气)。对于这两种配置中,两个建筑外观(光电门面和主建筑物墙壁)之间的空腔中的空气被传输通过透明釉部分加热,通过对流和辐射交换。首先,我们描述了天然通风封套的模型。然后呈现模型的验证和随后的建筑耦合系统模拟,从Ressources项目(ANR-PREBAT 2007)使用实验数据进行。数据集包括来自法国图卢兹真正的办公楼上安装的全级原型系统的测量。最后计算了模拟建筑的加热和冷却需求,研究了气候变化对系统性能的影响。发现PV双皮肤导致所有法国气候所考虑的冷却需求略有增加,而立面对加热需求的影响则发现不受欢迎的能量。

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