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The performance comparison of fan-assisted Trombe wall system [ITU J Faculty Arch]
ITU J Faculty Arch. 2013; 10(2): 198-211

The performance comparison of fan-assisted Trombe wall system

Başak Kundakçı Koyunbaba1, Zerrin Yılmaz2
1Faculty of Architecture, Yasar University, Izmir, TURKEY
2Faculty of Architecture, Istanbul Technical University, Istanbul, TURKEY

One of the various systems used for energy conservation in buildings is building integrated photovoltaic (BIPV) Trombe wall system. This system is applied to the blind south facades of buildings to produce heat and electrical energy. In this paper, the energy performance comparison of fan-assisted single glass, double glass and a-Si semi-transparent PV module integrated on the Trombe wall façade of a model test room built in Izmir, Turkey has been carried out. The system has been operated during 19 - 21 January. The temperature variations at certain nodes where the temperature probes are placed have been evaluated. The measured values of inter-space, inlet and outlet air temperatures for single glass, double glass and photovoltaic module have been compared. The surface temperatures of the photovoltaic module and the thermal wall have also been evaluated. The comparison of the thermal performance for three modules has been made according to the experimental results. The change in electrical efficiency by surface temperature of the photovoltaic module has also been interpreted. According to the experimental results 10% of solar radiation has been transmitted through the semi-transparent photovoltaic module. Meanwhile, the electrical efficiency of PV cells can reach 4.5% according to the experimental results.

Keywords: Forced convection, BIPV Trombe wall system, thermal storage, electrical efficiency, electric output


Başak Kundakçı Koyunbaba, Zerrin Yılmaz. The performance comparison of fan-assisted Trombe wall system. ITU J Faculty Arch. 2013; 10(2): 198-211

Corresponding Author: Başak Kundakçı Koyunbaba, Türkiye


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