Fabrication of Solar Water Heater Using Nano Fluids

Abstract

The investigation outlines the development, production, and practical assessment of an evacuated tube solar water heater (ETCSWH) incorporating Al₂O₃ nanofluids. Utilizing a fundamental blend of ethylene glycol and water in a 60:40 ratio, the study examines how different mass fractions of Al₂O₃ nanoparticles affect the system's thermal behavior and heat transfer capabilities relative to traditional working fluids. The outcomes of the experiments show notable boosts in thermal conductivity and the system's overall effectiveness, resulting in better practical application of solar energy. These results highlight the capability of nanofluid-based heat transfer media as a hopeful and sustainable option for effective water heating, particularly in areas rich in solar resources.