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Energy Efficiency Of A Flat-Plate Solar Collector Using Thermally Treated Graphene-Based Nanofluids: Experimental Study, Omer A. Alawi, Haslinda Mohamed Kamar, Hussein A. Mohammed, A. R. Mallah, Omar A. Hussein
Energy Efficiency Of A Flat-Plate Solar Collector Using Thermally Treated Graphene-Based Nanofluids: Experimental Study, Omer A. Alawi, Haslinda Mohamed Kamar, Hussein A. Mohammed, A. R. Mallah, Omar A. Hussein
Research outputs 2014 to 2021
© The Author(s) 2020. A covalent functionalization approach was utilized for the preparation of highly dispersed pentaethylene glycol-thermally treated graphene-water as the absorbing material inside a flat-plate solar collector. Four mass fractions of nanofluids were prepared (0.025, 0.05, 0.075, and 0.1 wt% pentaethylene glycol-thermally treated graphene-water). Graphene nanoparticles were characterized by energy dispersive X-ray analysis with a scanning electron microscope. Measurements of the thermophysical properties were subsequently carried out for the nanosuspensions. The raw investigation data were collected from an indoor flat-plate solar collector test setup. The experimental procedure included different sets of variables such as input temperatures of 303, …