研究目的
Investigating the performance of a photovoltaic thermal system integrated with a thermoelectric generator module (PVT/TE) and comparing it with a conventional PVT system under various operating conditions.
研究成果
The PVT/TE system shows higher electrical efficiency but lower thermal efficiency compared to the conventional PVT system. The performance of both systems is significantly affected by solar radiation, coolant mass flow rate, and ambient and inlet temperatures. The study provides insights into optimizing hybrid solar systems for better energy conversion.
研究不足
The study is based on numerical simulations under steady-state conditions with constant thermophysical properties. The model assumes incompressible and laminar water flow, which may not capture all real-world complexities.
1：Experimental Design and Method Selection:
A three-dimensional numerical model was developed to simulate the PVT/TE system. The model includes all layers of the monocrystalline silicon PV module and considers the TE module placed between the Tedlar layer and the copper absorber plate.
2：Sample Selection and Data Sources:
Water is used as the working fluid in the system. The thermophysical and geometrical properties of the simulated systems are based on literature.
3：List of Experimental Equipment and Materials:
The system includes a PV module, TE module, and a thermal collector with a riser tube.
4：Experimental Procedures and Operational Workflow:
The system is simulated under steady-state conditions with laminar water flow. The model solves continuity, momentum, and energy equations using the finite volume method and SIMPLE algorithm.
5：Data Analysis Methods:
The performance of the system is evaluated based on thermal and electrical efficiencies, calculated from the simulation results.
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