Experimental investigation of Thermal Performance of a Multipurpose PV Solar Collector Wall with Phase Change Material

[+] Author and Article Information
Preeda Chantawong

1518 Pracharat 1 Road, Wongsawang, Bangsue, Bangkok 10800, Thailand, Bangkok, Thailand, 10800 Thailand cpreeda@yahoo.com

1Corresponding author.

Contributed by the Solar Energy Division of ASME for publication in the Journal of Solar Energy Engineering. Manuscript received August 31, 2018; final manuscript received May 1, 2019; published online xx xx, xxxx. Assoc. Editor: Jorge Gonzalez.

ASME doi:10.1115/1.4043712 History: Received August 31, 2018; Accepted May 02, 2019


This paper reports experimental investigation of the thermal performance of a multipurpose PV Solar Wall with Phase Change Material (PVSW-PCM). The PVSW-PCM configuration was made of double-layers. The external layer consists of a 60 W photovoltaic panel attached to a 8 cm thick PCM tank integrating water pipes. The internal wall is an ordinary clear glass pane. There is a 6.4 cm air gap between the two layers. At the inner lower part (room side) and external upper part (ambient) of the gap, a small DC fan (12V, 0.48A) box was installed. The fans were connected to the PV panel directly to enhance indoor ventilation. Investigation considered both natural (fans Off) and PV assisted ventilation. Another similar house without the PVSW-PCM was built and used as a reference for comparison.

The experimental results revealed that the indoor temperature of the PVSW-PCM house was considerably lower than that of the GW house. Moreover, the PVSW-PCM could produce hot water temperature of 55–62°C and induce a ventilation rate proportional to the intensity of solar radiation. Indoor illumination was sufficient for general house use. Therefore, the PVSW-PCM offers a new alternative for architects and engineers to reduce electric energy use for producing hot water and ventilation and save electrical energy consumption of air conditioner, as indoor temperature is lower than that of the conventional house.

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