A Three-Dimensional Modeling of Photovoltaic Thermal Collector

ben cheikh el hocine hanene, Touafek Khaled, Kerrour Fouad, Khelifa Abdelkrim, Tabet Ismail, Haloui Hafsia

Abstract


In order to obtain a high current efficiency a photovoltaic generator PV, it has been necessary to recuperate the heat dissipated by combination a PV to a thermal heating system. The heat exchanger is under the PV, thus cooling the cells back face. Such a system therefore improves the efficiency of the PV module while extracting useful heat calories heating. In this paper, a 3D model of a new PVT collector has been implemented using the Comsol environment. A (FEM) approach is used for the analysis of the thermal and electrical behavior of new absorber integrated for the PVT collector which has as an advantage of a simple realization and to use a material of galvanised steel for it low cost  compared to other configurations of PV/T hybrid collectors. Some results are presented the temperature of the PVT collector decreases with the increasing flow rate, For a flow rate of about 0.0016 kg/s and irradiation of 1000W/m² and ambient temperature equal to 20.15 °C, the temperature reaches a value equal to 55.96°C. The influence of mass flow rate in the PVT collector demonstrate that the PV cell temperature decreases with the increasing mass flow rate and the increases  until the flow rate reaches about 0.0256 m/s; it reaches a value equal to 23.845 °C and electrical power equal to 59.434 after these values will be maintained at a relatively constants values.

Keywords


PV module; photovoltaic; Photovoltaic-thermal PVT; finite element method; COMSOL

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v6i2.3365.g6843

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