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Experimental evaluation of an active solar thermoelectric radiant wall system

机译:主动式太阳能热电辐射墙系统的实验评估

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摘要

Active solar thermoelectric radiant wall (ASTRW) system is a new solar wall technology which integrates thermoelectric radiant cooling and photovoltaic (PV) technologies. In ASTRW system, a PV system transfers solar energy directly into electrical energy to power thermoelectric cooling modes. Both the thermoelectric cooling modes and PV system are integrated into one enclosure surface as radiant panel for space cooling and heating. Hence, ASTRW system presents fundamental shift from minimizing building envelope energy losses by optimizing the insulation thickness to a new regime where active solar envelop is designed to eliminate thermal loads and increase the building's solar gains while providing occupant comfort in all seasons. This article presents an experimental study of an ASTRW system with a dimension of 1580 × 810 mm. Experimental results showed that the inner surface temperature of the ASTRW is 3-8 ℃ lower than the indoor temperature of the test room, which indicated that the ASTRW system has the ability to control thermal flux of building envelope by using solar energy and reduce the air conditioning system requirements. Based on the optimal operating current of TE modules and the analysis based upon PV modeling theories, the number and type of the electrical connections for the TE modules in ASTRW system are discussed in order to get an excellent performance in the operation of the ASTRW system.
机译:主动式太阳能热电辐射墙(ASTRW)系统是一种新的太阳能墙技术,它集成了热电辐射冷却和光伏(PV)技术。在ASTRW系统中,光伏系统将太阳能直接转换为电能,为热电制冷模式提供动力。热电冷却模式和光伏系统都集成在一个外壳表面中,作为辐射板用于空间制冷和加热。因此,ASTRW系统呈现出从根本上的转变,从通过优化保温层厚度来最大程度地减少建筑物围护结构的能量损失,转变为一种新的方案,在该方案中,主动式太阳能围护结构旨在消除热负荷并增加建筑物的太阳能吸收量,同时在所有季节都为乘客提供舒适感。本文介绍了尺寸为1580×810 mm的ASTRW系统的实验研究。实验结果表明,ASTRW的内表面温度比测试室内的温度低3-8℃,这表明ASTRW系统具有利用太阳能控制建筑围护结构热通量并减少空气排放的能力。空调系统要求。基于TE模块的最佳工作电流以及基于PV建模理论的分析,讨论了ASTRW系统中TE模块的电连接的数量和类型,以在ASTRW系统的运行中获得出色的性能。

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