Impact of thermophoretic transport of Al2O3 nanoparticles on viscoelastic flow of oil-based nanofluid over a porous exponentially stretching surface with activation energy

• Autorzy: Etwire Christian John , Seini Ibrahim Yakubu , Musah Rabiu , Makinde Oluwole Daniel

Identyfikatory

DOI

10.24423/EngTrans.954.20190725

• Języki publikacji: EN

Abstrakty

EN

The influence of thermophoretic transport of Al2O3 nanoparticles on heat and mass transfer in viscoelastic flow of oil-based nanofluid past porous exponentially stretching surface with activation energy has been examined. Similarity technique was employed to transform the governing partial differential equations into a coupled fourth-order ordinary differential equations which were reduced to a system of first-order ordinary differential equations and then solved numerically using the fourth-order Runge-Kutta algorithm with a shooting method. The results for various controlling parameters were tabulated and graphically illustrated. It was found that the thermophoretic transport of Al2O3 nanoparticles did not affect the rate of flow and heat transfer at the surface but it affected the rate of mass transfer of the nanofluid which decayed the solutal boundary layer thickness. This study also revealed that activation energy retards the rate of mass transfer which causes a thickening of the solutal boundary layer.

Słowa kluczowe

EN

thermophoresis; activation energy; exponential stretching; deposition; nanofluid; thermophoretic

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 2019
• Tom: Vol. 67, iss. 3
• Strony: 387--410

Twórcy

autor

Etwire Christian John

• Faculty of Mathematical Sciences University for Development Studies P.O. Box 24, Navrongo, UER, Ghana

autor

Seini Ibrahim Yakubu

• School of Engineering University for Development Studies Nyankpala Campus, P.O. Box 1882, Tamale, Ghana

autor

Musah Rabiu

• Faculty of Applied Sciences University for Development Studies P.O. Box 24, Navrongo, UER, Ghana

autor

Makinde Oluwole Daniel

• Faculty of Military Science Stellenbosch University Private Bag X2, Saldanha 7395, South Africa

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).