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Characteristics of Modified Diffusion Analysis of Squeezed Hydro-magnetic Nanofluid Flow

Journal of Magnetics, Volume 26, Number 3, 30 Sep 2021, Pages 347-355
S. Ahmad * (Riphah International University), Samreen Sheriff (National University of Sciences and Technology), M. Farooq (The University of Haripur)
Abstract
This communication based on nanofluid theory is exhibited to study the squeezing mechanism. Hydro-magnetic
phenomenon is incorporated in the analysis of nanofluid flow. The flow of heat and mass transport is
interpreted by the constitutive relationship of modified diffusion model which overcomes the deficiencies in
Fourier’s and Fick’s classical theories. The nano-fluid theory also incorporates the features of two important
slip mechanisms namely Brownian diffusion and thermophoresis. Resulting heat and mass transport problems
are figure out to develop the series solutions. Interval of convergence is established for computed series solutions.
Behavior of emerging parameters in flow distributions are graphed and discussed. The major founds in
this attempt is that higher Brownian diffusion strengthens the both heat and mass fluxes, while larger thermophoresis
parameter enhances the heat flux but it weakens the mass flux. Moreover, both heat and mass flow
field decays for enlarge estimation of thermal and solutal time relaxation parameters, respectively. Velocity field
shows dual behavior for dominant magnetic parameter.
Keywords: squeezing flow; nanofluid; Magneto-hydrodynamics (MHD); brownian motion; thermophoresis diffusion; modified double diffusive model
DOI: https://doi.org/10.4283/JMAG.2021.26.3.347
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