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RSS FeedsEnergies, Vol. 16, Pages 2842: Cooling of Concentrated Photovoltaic Cells—A Review and the Perspective of Pulsating Flow Cooling (Energies)

 
 

18 march 2023 11:37:52

 
Energies, Vol. 16, Pages 2842: Cooling of Concentrated Photovoltaic Cells—A Review and the Perspective of Pulsating Flow Cooling (Energies)
 


This article presents a review to provide up-to-date research findings on concentrated photovoltaic (CPV) cooling, explore the key challenges and opportunities, and discuss the limitations. In addition, it provides a vision of a possible future trend and a glimpse of a promising novel approach to CPV cooling based on pulsating flow, in contrast to existing cooling methods. Non-concentrated photovoltaics (PV) have modest efficiency of up to around 20% because they utilise only a narrow spectrum of solar irradiation for electricity conversion. Therefore, recent advances employed multi-junction PV or CPV to widen the irradiation spectrum for conversion. CPV systems concentrate solar irradiation on the cell’s surface, producing high solar flux and temperature. The efficient cooling of CPV cells is critical to avoid thermal degradation and ensure optimal performance. Studies have shown that pulsating flow can enhance heat transfer in various engineering applications. The advantage of pulsating flow over steady flow is that it can create additional turbulence and mixing in the fluid, resulting in a higher heat transfer coefficient. Simulation results with experimental validation demonstrate the enhancement of this new cooling approach for future CPV systems. The use of pulsating flow in CPV cooling has shown promising results in improving heat transfer and reducing temperature gradients.


 
92 viewsCategory: Biophysics, Biotechnology, Physics
 
Energies, Vol. 16, Pages 2843: Experimental Investigation of High-Pressure Liquid Ammonia Injection under Non-Flash Boiling and Flash Boiling Conditions (Energies)
Energies, Vol. 16, Pages 2844: A Novel Energy Accounting Model Using Fuzzy Restricted Boltzmann Machine—Recurrent Neural Network (Energies)
 
 
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