Photovoltaic-thermal solar air heater based on PCM cylinders, air convection

Researchers in Malaysia designed a photovoltaic-thermal system that can be used in solar drying, space heating, rooftop systems, and off-grid thermal applications. It relies on a double-pass cooling technique based on air convection and phase change material that can reportedly increase PV efficiency from 7% to 9% and thermal efficiency by 31. 45%. Researchers from the Universiti Kebangsaan Malaysia have developed a photovoltaic-thermal double-pass solar air heater (PVT- DPSAH) that utilizes a double-cooling system relying on air convection and cylinders made of phase change material (PCM), which ...

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