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Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip

Unsteady stagnation point flow in hybrid nanofluid (Al2O3-Cu/H2O) past a convectively heated stretching/shrinking sheet is examined. Apart from the conventional surface of the no-slip condition, the velocity slip condition is considered in this study. By incorporating verified similarity transformat...

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Main Authors: Nazar, Roslinda, Zainal, Nurul Amira, Naganthran, Kohilavani, Pop, Ioan
Format: Article
Language:English
Published: MDPI AG 2020
Online Access:http://eprints.utem.edu.my/id/eprint/25252/2/MATHEMATICS-08-01649-V2.PDF
http://eprints.utem.edu.my/id/eprint/25252/
https://www.mdpi.com/2227-7390/8/10/1649/htm
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spelling my.utem.eprints.252522021-07-28T17:01:15Z http://eprints.utem.edu.my/id/eprint/25252/ Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip Nazar, Roslinda Zainal, Nurul Amira Naganthran, Kohilavani Pop, Ioan Unsteady stagnation point flow in hybrid nanofluid (Al2O3-Cu/H2O) past a convectively heated stretching/shrinking sheet is examined. Apart from the conventional surface of the no-slip condition, the velocity slip condition is considered in this study. By incorporating verified similarity transformations, the differential equations together with their partial derivatives are changed into ordinary differential equations. Throughout the MATLAB operating system, the simplified mathematical model is clarified by employing the bvp4c procedure. The above-proposed approach is capable of producing non-uniqueness solutions when adequate initial assumptions are provided. The findings revealed that the skin friction coefficient intensifies in conjunction with the local Nusselt number by adding up the nanoparticles volume fraction. The occurrence of velocity slip at the boundary reduces the coefficient of skin friction; however, an upward trend is exemplified in the rate of heat transfer. The results also signified that, unlike the parameter of velocity slip, the increment in the unsteady parameter conclusively increases the coefficient of skin friction, and an upsurge attribution in the heat transfer rate is observed resulting from the increment of Biot number. The findings are evidenced to have dual solutions, which inevitably contribute to stability analysis, hence validating the feasibility of the first solution. MDPI AG 2020-10 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/25252/2/MATHEMATICS-08-01649-V2.PDF Nazar, Roslinda and Zainal, Nurul Amira and Naganthran, Kohilavani and Pop, Ioan (2020) Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip. Mathematics, 8 (10). pp. 1-22. ISSN 2227-7390 https://www.mdpi.com/2227-7390/8/10/1649/htm 10.3390/MATH8101649
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description Unsteady stagnation point flow in hybrid nanofluid (Al2O3-Cu/H2O) past a convectively heated stretching/shrinking sheet is examined. Apart from the conventional surface of the no-slip condition, the velocity slip condition is considered in this study. By incorporating verified similarity transformations, the differential equations together with their partial derivatives are changed into ordinary differential equations. Throughout the MATLAB operating system, the simplified mathematical model is clarified by employing the bvp4c procedure. The above-proposed approach is capable of producing non-uniqueness solutions when adequate initial assumptions are provided. The findings revealed that the skin friction coefficient intensifies in conjunction with the local Nusselt number by adding up the nanoparticles volume fraction. The occurrence of velocity slip at the boundary reduces the coefficient of skin friction; however, an upward trend is exemplified in the rate of heat transfer. The results also signified that, unlike the parameter of velocity slip, the increment in the unsteady parameter conclusively increases the coefficient of skin friction, and an upsurge attribution in the heat transfer rate is observed resulting from the increment of Biot number. The findings are evidenced to have dual solutions, which inevitably contribute to stability analysis, hence validating the feasibility of the first solution.
format Article
author Nazar, Roslinda
Zainal, Nurul Amira
Naganthran, Kohilavani
Pop, Ioan
spellingShingle Nazar, Roslinda
Zainal, Nurul Amira
Naganthran, Kohilavani
Pop, Ioan
Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip
author_facet Nazar, Roslinda
Zainal, Nurul Amira
Naganthran, Kohilavani
Pop, Ioan
author_sort Nazar, Roslinda
title Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip
title_short Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip
title_full Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip
title_fullStr Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip
title_full_unstemmed Unsteady Stagnation Point Flow Of Hybrid Nanofluid Past A Convectively Heated Stretching/Shrinking Sheet With Velocity Slip
title_sort unsteady stagnation point flow of hybrid nanofluid past a convectively heated stretching/shrinking sheet with velocity slip
publisher MDPI AG
publishDate 2020
url http://eprints.utem.edu.my/id/eprint/25252/2/MATHEMATICS-08-01649-V2.PDF
http://eprints.utem.edu.my/id/eprint/25252/
https://www.mdpi.com/2227-7390/8/10/1649/htm
_version_ 1706960991751766016
score 13.211869

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