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Energy and exergy comparison of a flat-plate solar collector using water, Al2O3 nanofluid, and CuO nanofluid
Abstract The performance of a flat-plate solar collector was investigated by using water, Al2O3 nanofluid, and CuO nanofluid as the working fluids. The energy efficiency, entropy generation, exergyExpand
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Theoretical investigation of the thermal performance of evacuated heat pipe solar collector with optimum tilt angle under various operating conditions
The thermal performance of an individual pipe in an evacuated tube solar collector with a heat pipe is investigated by an analytical method based on the energy balance of the collector. A simulationExpand
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Improvement of photo-thermal energy conversion performance of MWCNT/Fe3O4 hybrid nanofluid compared to Fe3O4 nanofluid
Abstract The thermal, optical, and photo-thermal energy conversion characteristics of Fe3O4 and multi-walled carbon nanotube (MWCNT)/Fe3O4 hybrid nanofluids, which was suspended in the mixture ofExpand
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Comparative investigation of efficiency sensitivity in a flat plate solar collector according to nanofluids
Abstract The performance characteristics of a flat plate solar collector were investigated experimentally by applying various nanofluids in the solar collector and comparing the sensitivity of itsExpand
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Comparative Study on the Thermal Performance of Evacuated Solar Collectors with U-Tubes and Heat Pipes
Evacuated solar collectors with U-tubes (ESCU) and heat pipes (ESCHP) were designed and constructed to allow heat from solar radiation to be collected at a relatively high efficiency. A theoreticalExpand
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Effects of thermal performance of enclosed-type evacuated U-tube solar collector with multi-walled carbon nanotube/water nanofluid
An enclosed-type evacuated U-tube solar collector (EEUSC) with high efficiency and low cost was designed and constructed. A copper fin was employed in the U-tube to assume a constant heat flux. TheExpand
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