A Novel Hybrid Model for Cu–Al 2 O 3 /H 2 O Nanofluid Flow and Heat Transfer in Convergent/Divergent Channels

Umar Khan, Adnan, Naveed Ahmed, Syed Tauseef Mohyud-Din, Dumitru Baleanu, Ilyas Khan and Kottakkaran Sooppy Nisar
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Umar Khan: Department of Mathematics and Statistics, Hazara University, Mansehra 21120, Pakistan
Adnan: Department of Mathematics, Mohi-ud-Din Islamic University, Nerian Sharif, AJ&K, Trarkhel 12080, Pakistan
Naveed Ahmed: Department of Mathematics, Faculty of Sciences, Heavy Industries Taxila Education City University, Taxila Cantt 47070, Pakistan
Syed Tauseef Mohyud-Din: Department of Mathematics, Faculty of Sciences, Heavy Industries Taxila Education City University, Taxila Cantt 47070, Pakistan
Dumitru Baleanu: Department of Mathematics, Cankaya University, Ankara 06790, Turkey
Ilyas Khan: Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City 72915, Vietnam
Kottakkaran Sooppy Nisar: Department of Mathematics, College of Arts and Sciences, Wadi Aldawaser, 11991, Prince Sattam bin Abdulaziz University, Wadi Aldawaser 11991, Saudi Arabia

Energies, 2020, vol. 13, issue 7, 1-13

Abstract: In the present study, our aim is to present a novel model for the flow of hybrid nanofluids in oblique channels. Copper and aluminum oxide have been used to obtain a novel hybrid nanofluid. The equations that govern the flow of hybrid nanofluids have been transformed to a set of nonlinear equations with the implementation of self-similar variables. The resulting system is treated numerically by using coupled shooting and Runge–Kutta (R-K) scheme. The behavior of velocity and temperature is examined by altering the flow parameters. The cases for narrowing (convergent) and opening (divergent) channels are discussed, and the influence of various parameters on Nusselt number is also presented. To indicate the reliability of the study, a comparison is made that confirms the accuracy of the study presented.

Keywords: heat transfer; convergent/divergent channels; hybrid nanofluids; base fluid; numerical solution; Nusselt number (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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