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首页> 外文会议>Geothermal Resources Council Annual Meeting Expo >Simulation Study of a Ground-Source Heat Pump (GSHP)System Coupled with Photovoltaic Thermal Collectors (PVT) in Cooling-Dominated Buildings
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Simulation Study of a Ground-Source Heat Pump (GSHP)System Coupled with Photovoltaic Thermal Collectors (PVT) in Cooling-Dominated Buildings

机译：浅源热泵（GSHP）系统与光伏热量收集器（PVT）在冷却束缚建筑物中的仿真研究

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A novel ground-source heat pump (GSHP) system with an array of solar photovoltaic-thermal (PVT) modules for cooling-dominated buildings is proposed in this study. The purpose of the PVT array is to remove annual ground thermal load imbalances on the ground-loop heat exchanger (GLHE) to assist in achieving an optimally-sized GLHE. The PVT array operates by generating electricity during the day via the photovoltaic effect, and unloading thermal energy from the ground during the night via combined convection plus sky thermal radiation by means of pipes bonded to the back of the PVT panels. To examine the merits of the proposed concept, U.S. Department of Energy reference building loads for a school building in Phoenix, Arizona were used to construct a computer model of a GSHP + PVT system in the TRNSYS modeling environment. System simulations were conducted for a 20-year life cycle for designs with and without the PVT subsystem to determine the potential size reduction of the GLHE with the PVT array. The results of this study showed that by including a PVT array of 4962 m~2 for the modeled school building, a 56% reduction in size of the GHLE is possible. In addition, the hybrid system reduced the implementation cost and supplied 26% of the electricity load of the building.
机译：本研究提出了一种新型地源热泵（GSHP）具有用于冷却占地建筑物的太阳能光伏 - 热（PVT）模块的阵列。 PVT阵列的目的是去除地面回路热交换器（GLHE）上的年地热负荷不平衡，以帮助实现最佳大小的GLHE。 PVT阵列通过在白天通过光伏效果产生电力，并通过组合对流和天空热辐射通过粘合到PVT板的背面的管道在夜间从地面卸载热能。审查拟议概念的优点，美国能源参考系列凤凰城的学校建筑物，亚利桑那州的船舶在Trnsys建模环境中构建了GSHP + PVT系统的计算机模型。为具有PVT子系统的设计和没有PVT子系统的设计的20年生命周期进行了系统模拟，以确定与PVT阵列的潜在尺寸减小。该研究的结果表明，通过为建模学校建模设定为4962米〜2的PVT阵列，可以进行56％的GHLE的减少。此外，混合系统还降低了实施成本，并提供了建筑物的26％的电力负荷。

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