This work presents the concept of a photovoltaic (PV)‐powered solar chimney. We modeled and experimentally studied the integration of a PV system within a naturally ventilated façade (NVF), attempting to use the inherent cavity as a ventilation channel to transfer heat. Thermodynamic models were created to study the thermal and, therefore, the electrical performance of a PV system installed at different positions within the cavity of the NVF. An experimental setup of the PV chimney was manufactured to validate the computational models. Results show low root mean square error (RMSE) values for the prediction of the mass flow and the temperature of the different materials considered in the chimney. A basic sensitivity analysis was performed to find the best position of the PV modules within the chimney for a three‐story household in the Netherlands. Optimization showed that with a cavity depth of 0.2 m with PV modules located at the front layer, the electric annual yield is maximized. For the same cavity depth, placing the modules in the middle significantly increases heat flow production, albeit with a reduction on electrical performance.

中文翻译：

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光伏烟囱：集成在建筑物中的热模型和概念演示

这项工作提出了由光伏（PV）供电的太阳能烟囱的概念。我们对自然通风的立面（NVF）中的光伏系统的集成进行了建模和实验研究，试图利用固有空腔作为通风通道来传递热量。创建了热力学模型来研究安装在NVF腔内不同位置的PV系统的热性能以及电气性能。制造了PV烟囱的实验装置以验证计算模型。结果显示出较低的均方根误差（RMSE）值，可用于预测烟囱中考虑的不同材料的质量流量和温度。进行了基本的敏感性分析，以找到荷兰三层家庭中烟囱中光伏组件的最佳位置。优化表明，在腔体深度为0.2 m且光伏组件位于表层的情况下，年发电量最大。对于相同的腔深度，将模块放置在中间位置会显着增加热量的产生，尽管会降低电气性能。