研究目的
To present the methods for the development and testing of polymeric hybrid Photovoltaic Thermal (PVT) collectors for indoor experiments.
研究成果
The polymeric hybrid PVT collector can be made easily and cheaply using simple equipment, providing optimal cooling effects to PV surface temperature and achieving around 80% thermal efficiency with a 0.03 %/oC decrease in electrical efficiency. The method is applicable for indoor experiments and can be extended to larger collectors with modular systems.
研究不足
The study was limited to indoor experiments with a specific type of PV module and polymeric material. The scalability and long-term durability of the PVT collector under outdoor conditions were not addressed.
1：Experimental Design and Method Selection:
The study involved the development of a hybrid PVT collector with an absorber made of polymethyl-methacrylate (PMMA) combined with a copper sheet. The methodology included varying the mass flow rate, irradiance, and inlet water temperature to understand the thermal and electrical performance.
2：Sample Selection and Data Sources:
The experiments were conducted using a mono-crystalline type PV module (GT434 type, KIS Solar Japan) and a polymeric hybrid PVT collector.
3：List of Experimental Equipment and Materials:
Equipment included a halogen solar simulator, water supply tank, flow meter, thermocouples, and data acquisition systems. Materials included PMMA, copper sheet, and ethylene vinyl acetate (EVA).
4：Experimental Procedures and Operational Workflow:
The PVT collector was tested under varying conditions of mass flow rate, irradiance, and inlet water temperature. Data on thermal and electrical performance were collected.
5：Data Analysis Methods:
The data were analyzed to determine thermal and electrical efficiencies, with statistical methods applied to assess performance.
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