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Article

Numerical Investigation of Heat Transfer on Unsteady Hiemenz Cu-Water and Ag-Water Nanofluid Flow over a Porous Wedge Due to Solar Radiation

1
School of Systems and Technology, University of Management and Technology, Lahore 54000, Pakistan
2
Energy Research Centre, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
3
Department of Electrical Engineering, National University of Computer and Emerging Sciences, Lahore 54000, Pakistan
*
Authors to whom correspondence should be addressed.
Academic Editor: Hijaz Ahmad
Appl. Sci. 2021, 11(22), 10855; https://doi.org/10.3390/app112210855
Received: 9 October 2021 / Revised: 8 November 2021 / Accepted: 10 November 2021 / Published: 17 November 2021
(This article belongs to the Special Issue Heat Transfer Reinforcement Techniques in Heat Exchangers)
Nanoparticles are generally used to scatter and absorb solar radiations in nanofluid-based direct solar receivers to efficiently transport and store the heat. However, solar energy absorption in nanofluid can be enhanced by using differential materials and tuning nanofluid parameter. In this regard, theoretical investigations of unsteady homogeneous Hiemenz flow of an incompressible nanofluid having copper and silver nanoparticles over a porous wedge is carried out by using optimal homotopy asymptotic method (OHAM). Hence, a semi-analytical solver is applied to the transformed system to study the significance of magnetic field along with Prandtl number. In this work, impacts of conductive radiations, heat sink/source, unsteadiness, and flow parameters have been investigated for velocity and temperature profiles of copper and silver nanoparticles-based nanofluid. The effects of magnetic strength, volume fraction of nanoparticles, thermal conductivity, and flow parameters have also been studied on the considered nanofluids. View Full-Text
Keywords: nanofluid; Hiemenz flow; optimal homotopy asymptotic method; porous wedge sheet; solar energy nanofluid; Hiemenz flow; optimal homotopy asymptotic method; porous wedge sheet; solar energy
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MDPI and ACS Style

Inayat, U.; Iqbal, S.; Manzoor, T.; Zia, M.F. Numerical Investigation of Heat Transfer on Unsteady Hiemenz Cu-Water and Ag-Water Nanofluid Flow over a Porous Wedge Due to Solar Radiation. Appl. Sci. 2021, 11, 10855. https://doi.org/10.3390/app112210855

AMA Style

Inayat U, Iqbal S, Manzoor T, Zia MF. Numerical Investigation of Heat Transfer on Unsteady Hiemenz Cu-Water and Ag-Water Nanofluid Flow over a Porous Wedge Due to Solar Radiation. Applied Sciences. 2021; 11(22):10855. https://doi.org/10.3390/app112210855

Chicago/Turabian Style

Inayat, Usman, Shaukat Iqbal, Tareq Manzoor, and Muhammad Fahad Zia. 2021. "Numerical Investigation of Heat Transfer on Unsteady Hiemenz Cu-Water and Ag-Water Nanofluid Flow over a Porous Wedge Due to Solar Radiation" Applied Sciences 11, no. 22: 10855. https://doi.org/10.3390/app112210855

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