# Mathematical model of double pass photovoltaic thermal air collector with fins

Ebrahim M. Ali Alfegi, Kamaruzzaman Sopian, Mohd. Yusof Othman, Baharudin Yatim

Research output: Contribution to journalArticle

18 Citations (Scopus)

### Abstract

Problem statement: The efficiency of photovoltaic cells is generally temperature dependent (efficiency decrease when the temperature of the photovoltaic cells increase). This problem can be solved by cooling the solar cells during operation and operated at low temperature. Approach: This study presented a numerical model of double pass Photovoltaic Thermal (PV/T) solar air collector with fins attached to the back side of the absorber plate to improve heat transfer to the flowing air for predicting the performance of the system. Results: Five coupled of unsteady nonlinear partial differential equations were formulated by using first order forward scheme in time and second order central difference scheme in space to predict the performance of PV/T solar air heater at different parameters and conditions. The temperatures of the solar cells, outlet fluid temperature and the temperature distribution of every static element in both models were predicted. The performance of the collector including photovoltaic, thermal and combined PV/T collector over range of operating conditions are discussed. Conclusion: Experimental and theoretical results were compared and showed that close agreement between these two values were obtained.

Original language English 592-598 7 American Journal of Environmental Sciences 5 5 https://doi.org/10.3844/ajessp.2009.592.598 Published - 2009

### Fingerprint

Mathematical models
air
Air
Photovoltaic cells
temperature
Solar cells
Temperature
Partial differential equations
heat transfer
Numerical models
Temperature distribution
Hot Temperature
Heat transfer
Cooling
cooling
Fluids
fluid
solar cell

### Keywords

• Fin
• Hybrid PV/T solar collector
• Performance analysis

• Pollution
• Ecology

### Cite this

Mathematical model of double pass photovoltaic thermal air collector with fins. / Ali Alfegi, Ebrahim M.; Sopian, Kamaruzzaman; Othman, Mohd. Yusof; Yatim, Baharudin.

In: American Journal of Environmental Sciences, Vol. 5, No. 5, 2009, p. 592-598.

Research output: Contribution to journalArticle

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title = "Mathematical model of double pass photovoltaic thermal air collector with fins",
abstract = "Problem statement: The efficiency of photovoltaic cells is generally temperature dependent (efficiency decrease when the temperature of the photovoltaic cells increase). This problem can be solved by cooling the solar cells during operation and operated at low temperature. Approach: This study presented a numerical model of double pass Photovoltaic Thermal (PV/T) solar air collector with fins attached to the back side of the absorber plate to improve heat transfer to the flowing air for predicting the performance of the system. Results: Five coupled of unsteady nonlinear partial differential equations were formulated by using first order forward scheme in time and second order central difference scheme in space to predict the performance of PV/T solar air heater at different parameters and conditions. The temperatures of the solar cells, outlet fluid temperature and the temperature distribution of every static element in both models were predicted. The performance of the collector including photovoltaic, thermal and combined PV/T collector over range of operating conditions are discussed. Conclusion: Experimental and theoretical results were compared and showed that close agreement between these two values were obtained.",
keywords = "Fin, Hybrid PV/T solar collector, Performance analysis, Unsteady state analysis",
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AU - Ali Alfegi, Ebrahim M.

AU - Sopian, Kamaruzzaman

AU - Othman, Mohd. Yusof

AU - Yatim, Baharudin

PY - 2009

Y1 - 2009

N2 - Problem statement: The efficiency of photovoltaic cells is generally temperature dependent (efficiency decrease when the temperature of the photovoltaic cells increase). This problem can be solved by cooling the solar cells during operation and operated at low temperature. Approach: This study presented a numerical model of double pass Photovoltaic Thermal (PV/T) solar air collector with fins attached to the back side of the absorber plate to improve heat transfer to the flowing air for predicting the performance of the system. Results: Five coupled of unsteady nonlinear partial differential equations were formulated by using first order forward scheme in time and second order central difference scheme in space to predict the performance of PV/T solar air heater at different parameters and conditions. The temperatures of the solar cells, outlet fluid temperature and the temperature distribution of every static element in both models were predicted. The performance of the collector including photovoltaic, thermal and combined PV/T collector over range of operating conditions are discussed. Conclusion: Experimental and theoretical results were compared and showed that close agreement between these two values were obtained.

AB - Problem statement: The efficiency of photovoltaic cells is generally temperature dependent (efficiency decrease when the temperature of the photovoltaic cells increase). This problem can be solved by cooling the solar cells during operation and operated at low temperature. Approach: This study presented a numerical model of double pass Photovoltaic Thermal (PV/T) solar air collector with fins attached to the back side of the absorber plate to improve heat transfer to the flowing air for predicting the performance of the system. Results: Five coupled of unsteady nonlinear partial differential equations were formulated by using first order forward scheme in time and second order central difference scheme in space to predict the performance of PV/T solar air heater at different parameters and conditions. The temperatures of the solar cells, outlet fluid temperature and the temperature distribution of every static element in both models were predicted. The performance of the collector including photovoltaic, thermal and combined PV/T collector over range of operating conditions are discussed. Conclusion: Experimental and theoretical results were compared and showed that close agreement between these two values were obtained.

KW - Fin

KW - Hybrid PV/T solar collector

KW - Performance analysis

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