Abstract
Abstract: This study investigates the cooling capacity enhancement of refrigerant R-134a by dispersing copper oxide (CuO) and silica (SiO2) nanoparticles in the base fluid. The nanoparticles were mixed at different concentrations, and their effects on the thermophysical properties and heat transfer characteristics of R-134a were evaluated. Experimental results demonstrated that the addition of CuO and SiO2 nanoparticles significantly improved the cooling capacity of R-134a, highlighting the potential of nanofluids in enhancing refrigeration systems. The demand for efficient and environmentally friendly refrigeration systems has led to extensive research in the field of nanofluids. This study investigates the cooling capacity enhancement of refrigerant R-134a by dispersing copper oxide (CuO) and silica (SiO2) nanoparticles in the base fluid. The nanoparticles were mixed at different concentrations, and their effects on the thermophysical properties and heat transfer characteristics of R-134a were evaluated. Experimental results demonstrated that the addition of CuO and SiO2 nanoparticles significantly improved the cooling capacity of R-134a, highlighting the potential of nanofluids in enhancing refrigeration systems.
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