Nanofluid-based direct solar receivers, where strongly absorb aQ4 selectiVely absorb incident radiation. nanoparticles in a liquid medium caa scatter and absorb solar Based on the pdiation and Brownian motion properties of radiation, have recently received interest to efficiently distribnanoparticle, the utilization of nanofluids in solar thermal ute and store the thermal energy. The objective of the present system becomes the new study hotspot. work is to investigate theoretically the unsteady homogeneous Solar energy is one of the best sources of renewable Hiemenz flow of an incompressible viscous nanofluid past a energy with minimal environmental impact, S h m a et al. porous wedge due to solar energy (incident radiation). The [I]. Power tower solar collectors could benefit from the conclusion is drawn that the temperature is s i~c a n t l y potential efficiency improvements that arise from using a a u e n c e d by magnetic strength, nanoparticle volume &tion, nanofluid as a working fluid. The basic concept of using convective radiation and porosity of the wedge sheet.particles to collect soIar energy was studied in the 1970s
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