Heat Transfer Simulation for 3D MHD Rotating Hybrid NanoFluid Flow Between Parallel Plates in Parabolic Trough Solar Collector: A Numerical Study

Abstract

Solar thermal collectors disperse and collect the solar radiation with its further conversion into thermal energy through solar thermal concentrating systems, which frequently use nanofluids as a heat transporter. The present research makes emphasis on the analysis of the magnetohydrodynamics (MHD) of flow of hybrid nanofluid (HNF) and conventional nanofluid (CNF) between two rotating plates. The flow is induced by an exponentially stretching sheet in a parabolic trough solar collector (PTSC). Owing to a similarity transformation, partial differential equations with boundary constraints were converted to a simpler case of nonlinear ordinary-differential formulas. The Keller-box process is introduced for finding an approximate solution of the ordinary reduced differential equations. Hybrid nanofluid, which consists of two kinds of nanoparticles, copper (Cu) and aluminium (Al) with Newtonian water (H 2 O) base fluid, is considered. The key idea of this article is to scrutinize the impact of variation of significant parameters on the velocity, temperature, and heat transport rate for Al-H 2 O nanofluid and Cu-Al/H 2 O hybrid nanofluid. The results evidence that the hybrid nanofluid (Cu-Al/H 2 O) has a lower friction factor and higher heat transmission rate as compared with the conventional nanofluid (Al-H 2 O). Furthermore, the rotation parameter decelerates the heat transport rate. To visualize the fluid flow, streamlines are drawn for different values of the suction/injection parameter.

Significance of Dufour and Soret aspects on dynamics of water based ternary hybrid nanofluid flow in a 3D computational domain

“…The impacts of magnetic field accompanied with Dufour and Soret on 3D cross fluid flow in the streamwise direction was explored by Khan et al 43 . Shahzad et al 44 analyzed the MHD flow of hybrid nanofluid conventional nanofluid between two plates. Exponentially stretched sheet caused fluid flow.…”

Enhancing heat transfer in solar-powered ships: a study on hybrid nanofluids with carbon nanotubes and their application in parabolic trough solar collectors with electromagnetic controls

“…Parabolic trough solar collect (PTSC) is a type of solar energy device that harnesses the sun's energy by using a concave mirror to reflect and concentrate sunlight onto a tube containing a liquid, which in turn absorbs the heat and converts it into usable energy. It is common practice to use a heat transfer fluid (HTF) to fill the receiver tube 27 . The purpose of the HTF is to transfer thermal energy to a heat exchanger, where it is employed to create steam to produce electricity.…”