A numerical study of two-phase nanofluid MHD boundary layer flow with heat absorption or generation and chemical reaction over an exponentially stretching sheet by Haar wavelet method

This study examines the two-phase nanofluid magnetohydrodynamic (MHD) boundary layer flow model with heat absorption or generation and chemical reaction via porous media due to an exponential stretching sheet using the Haar wavelet collocation method (HWCM). First, the governing nonlinear partial di...

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Bibliographic Details
Published in:Numerical heat transfer. Part B, Fundamentals Fundamentals, 2024-06, Vol.85 (6), p.706-735
Main Authors: Preetham, M. P., Kumbinarasaiah, S.
Format: Article
Language:English
Subjects:
Absorption
Boundary layer flow
Chemical reaction
Chemical reactions
Collocation methods
collocation points
Coordinate transformations
exponentially stretching sheet
Fluid flow
Haar wavelet
Heat generation
Magnetohydrodynamics
nanofluid
Nanofluids
Nonlinear differential equations
Parameters
Partial differential equations
Physical properties
Porous media
Stretching
Transformations (mathematics)
Wavelet analysis
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Summary:This study examines the two-phase nanofluid magnetohydrodynamic (MHD) boundary layer flow model with heat absorption or generation and chemical reaction via porous media due to an exponential stretching sheet using the Haar wavelet collocation method (HWCM). First, the governing nonlinear partial differential equations (PDEs) are transformed into coupled, highly nonlinear, ordinary differential equations (ODEs) using similarity transformations. Then the coupled ODEs are translated from the infinite domain [0, ∞ ) to the finite domain [0, 1] via coordinate transformation because the wavelet plays a crucial role in [0, 1]. The obtained equations are solved using HWCM. The impacts of the physical parameters are discussed using tables and graphs. It was found that the Nusselt number R e x − 1 / 2   N u x is a decreasing function of the magnetic field, porous media parameter, heat generation or absorption parameter, and chemical reaction parameter.
ISSN:1040-7790
1521-0626
DOI:10.1080/10407790.2023.2253364