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Paper Information

Journal:   JOURNAL OF APPLIED FLUID MECHANICS (JAFM)   2016 , Volume 9 , Number 3; Page(s) 1321 To 1328.
 
Paper: 

VISCOELASTIC FLOW AND HEAT TRANSFER OVER A NON-LINEARLY STRETCHING SHEET: OHAM SOLUTION

 
 
Author(s):  MUSTAFA M.*
 
* SCHOOL OF NATURAL SCIENCES (SNS), NATIONAL UNIVERSITY OF SCIENCES AND TECHNOLOGY (NUST), ISLAMABAD 44000, PAKISTAN
 
Abstract: 

In this paper the viscoelastic flow and heat transfer over a non-linearly stretching sheet with the power law velocity of the form uw= cxn is investigated for the first time. A prescribed power-law surface temperature distribution of the form Tw= T ¥ + Axn is considered. Mathematical model is constructed through the constitutive equations of second grade fluid. The arising non-linear boundary value problem has been treated analytically by a powerful optimal homotopy analysis method (OHAM). The solutions are found in excellent agreement with the obtained numerical solutions in the case of Newtonian fluid. The results show that velocity and skin friction coefficient have direct relationship with the power-law index n. Further the thermal boundary layer becomes thinner when larger values of n are taken into account.

 
Keyword(s): SECOND GRADE FLUID, NON-LINEARLY STRETCHING SHEET, HEAT TRANSFER, OPTIMAL HOMOTOPY ANALYSIS METHOD (OHAM), NON-LINEAR PROBLEM
 
References: 
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