relation: https://khub.utp.edu.my/scholars/11410/
title: Numerical and analytical investigation of an unsteady thin film nanofluid flow over an angular surface
creator: Rasheed, H.U.
creator: Khan, Z.
creator: Khan, I.
creator: Ching, D.L.C.
creator: Nisar, K.S.
description: In the present study, we examine three-dimensional thin film flow over an angular rotating disk plane in the presence of nanoparticles. The governing basic equations are transformed into ordinary differential equations by using similarity variables. The series solution has been obtained by the homotopy asymptotic method (HAM) for axial velocity, radial velocity, darning flow, induced flow, and temperature and concentration profiles. For the sake of accuracy, the results are also clarified numerically with the help of the BVPh2-midpoint method. The effect of embedded parameters such as the Brownian motion parameter Nb, Schmidt number Sc, thermophoretic parameter and Prandtl number Pr are explored on velocity, temperature and concentration profiles. It is observed that with the increase in the unsteadiness factor S, the thickness of the momentum boundary layer increases, while the Sherwood number Sc, with the association of heat flow from sheet to fluid, reduces with the rise in S and results in a cooling effect. It is also remarkable to note that the thermal boundary layer increases with the increase of the Brownian motion parameter Nb and Prandtl number Pr, hindering the cooling process resulting from heat transfer. © 2019 by the authors. Licensee MDPI, Basel, Switzerland.
publisher: MDPI
date: 2019
type: Article
type: PeerReviewed
identifier:   Rasheed, H.U. and Khan, Z. and Khan, I. and Ching, D.L.C. and Nisar, K.S.  (2019) Numerical and analytical investigation of an unsteady thin film nanofluid flow over an angular surface.  Processes, 7 (8).   ISSN 22279717     
relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85080888153&doi=10.3390%2fPR7080486&partnerID=40&md5=ba44e2fb9bf0cc37703252dfe5b6bbdc
relation: 10.3390/PR7080486
identifier: 10.3390/PR7080486