Flow and heat transfer in a power-law fluid over a nonisothermal stretching sheet

A boundary layer analysis has been presented for the problem of flow and heat transfer from a power-law fluid to a continuous stretching sheet with variable wall temperature. A similarity transformation is applied to reduce the Navier-Stokes and energy equations, and the resulting system of nonlinea...

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Bibliographic Details
Published in:Mathematical and computer modelling 1998-11, Vol.28 (9), p.105-116
Main Authors: Hassanien, I.A., Abdullah, A.A., Gorla, R.S.R.
Format: Article
Language:English
Subjects:
Continuous moving surfaces
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Heat transfer
Mathematical analysis
Mathematics
Non-newtonian fluid flows
Non-Newtonian fluids
Numerical analysis
Numerical analysis. Scientific computation
Ordinary differential equations
Partial differential equations
Partial differential equations, boundary value problems
Physics
Power-law fluids
Sciences and techniques of general use
Stretching surface
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Summary:A boundary layer analysis has been presented for the problem of flow and heat transfer from a power-law fluid to a continuous stretching sheet with variable wall temperature. A similarity transformation is applied to reduce the Navier-Stokes and energy equations, and the resulting system of nonlinear ordinary differential equations is solved using the expansion of Chebyshev polynomials. Parametric studies are performed to investigate the effects of non-Newtonian flow index, generalized Prandtl number, power-law surface temperature and surface mass transfer rate. The friction factor and heat transfer rate results exhibit strong dependence on the fluid parameters.
ISSN:0895-7177
1872-9479
DOI:10.1016/S0895-7177(98)00148-4