Table of Contents
Appl. Sci., Volume 9, Issue 15 (August-1 2019)
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Cover Story (view full-size image) In this study, a parabolic dish concentrator was investigated as a heat source for an organic [...] Read more. In this study, a parabolic dish concentrator was investigated as a heat source for an organic Rankine cycle for power generation. Different types of cavity receivers were considered as solar working fluid, including hemispherical, cubical, and cylindrical with different nanofluids such as Al2O3/oil, CuO/oil, and SiO2/oil. The numerical model was validated using experimental data. Results show that compared to pure oil, the thermal efficiency of the cavity receivers increased slightly with the application of nanofluids. Furthermore, results showed that the cubical cavity receiver using oil/Al2O3 nanofluid was the most efficient choice for application as the investigated solar ORC’s heat source. View this paper.