Potential of Façade-Integrated PVT With Radiant Heating and Cooling Panel Supported by a Thermal Storage for Temperature Stability and Energy Efficiency

Authors

  • Assoc. Prof. Mohannad Bayoumi Faculty of Architecture and Planning, King Abdulaziz University

DOI:

https://doi.org/10.7480/jfde.2021.1.5442

Keywords:

Photovoltaic/thermal systems, radiant cooling, building-integrated photovoltaic, façade, solar cooling

Abstract

Hybrid photovoltaic/thermal (PVT) systems combine electric and thermal energy generation and provide
noiseless operation and space-saving features. As the efficiency of photovoltaic (PV) panels increases
at low surface temperatures, this paper suggests combining the PVT panel with a radiant cooling and
heating panel in one system. A thermal storage tank fluidly connects the heat-exchanging pipes at the
back of the PVT system and radiant panel. The upper portion of the tank feeds the radiant panel and the
lower portion of the tank is connected to the PVT system. The proposed device is expected to function
in connection with a heat pump that feeds the thermal storage. Using the dynamic thermal simulation
software Polysun, the performance of the proposed façade-integrated device was investigated while
considering the surface temperatures and energy production in the moderate climatic condition of the
city of Munich. The results indicate a substantial impact on the efficiency of the PV module with an
increase of up to 35% in the electricity production of the PV due to the lowered surface temperature.
The obtained results contribute to façade-supported cooling/heating and electricity generation through
the novel coupling and integration of PV, PVT, and radiant cooling elements.

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Published

2021-04-06

How to Cite

Bayoumi, M. (2021). Potential of Façade-Integrated PVT With Radiant Heating and Cooling Panel Supported by a Thermal Storage for Temperature Stability and Energy Efficiency. Journal of Facade Design and Engineering, 9(1), 47–58. https://doi.org/10.7480/jfde.2021.1.5442