نتایج جستجو برای: hartmann number

تعداد نتایج: 1170262  

In the present study, an analytical investigation on the entropy generation examination for viscoelastic fluid flow involving inclined magnetic field and non-linear thermal radiation aspects with the heat source and sink over a stretching sheet has been done. The boundary layer governing partial differential equations were converted in terms of appropriate similarity transformations to non-line...

The augment of heat transfer and fluid of buoyancy-driven flow of Fe3O4-Water nanofluid in a square cavity under the influence of an external magnetic field is studied numerically. Cold temperature is applied on the side (vertical) walls and high temperature is imposed on the bottom wall while the top wall is kept at thermally insulated. The governing non-dimensional differential equations are ...

A. Zare Ghadi M. Sadegh Valipour

In the present research mixed convection flow through a copper-water nanofluid in a driven cavity in the presence of magnetic field is investigated numerically. The cavity is heated from top and cooled from bottom while its two vertical walls are insulated. The governing equations including continuity, N-S and energy equations are solved over a staggered grid system. The study is conducted for ...

Journal: :Mathematical Problems in Engineering 2021

Nanofluids are used as coolants in heat transport devices like exchangers, radiators, and electronic cooling systems (like a flat plate) because of their improved thermal properties. The preeminent perspective this study is to highlight the influence combined convection on transfer pseudoplastic non-Newtonian nanofluid flow towards an extendable Riga surface. Buongiorno model incorporated prese...

2012
G. Domairry M. Sheikholeslami H. R. Ashorynejad

The article solves the Jeffery–Hamel flow with analytically method and the effect of external magnetic field is studied. The traditional Navier-Stoks equation of fluid mechanics and Maxwell’s electromagnetism governing equations reduce to nonlinear ordinary differential equations to model this problem. Differential transformation is applied in order to obtain analytical solution of the governin...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2014
j. prakash k. s. balamurugan s. vijaya kumar varma

an analytical study was performed to study effects of thermo-diffusion and chemical reactions on a three-dimensional mhd mixed convective flow of dissipative fluid along an infinite vertical porous plate with transverse sinusoidal suction velocity. the parabolic partial differential equations governing the fluid flow, heat transfer, and mass transfer were solved using perturbation technique and...

2007
G. C. Shit M. Roy

With an aim to investigate the effect of externally imposed body acceleration and magnetic field on pulsatile flow of blood through an arterial segment having stenosis is under consideration in this paper. The flow of blood is presented by a unsteady micropolar fluid and the heat transfer characteristics have been taken into account. The non-linear equations that governing the flow are solved n...

2012
I. J. Uwanta M. M. Hamza M. O. Ibrahim Dileep Singh

We study magnetohydrodynamic radiation-convection flow through a porous medium with mass transfer in the presence of a homogeneous first order chemical reaction and surface temperature oscillation. The governing equations are solved analytically using perturbation technique. Detailed computations of the influence of Hartmann number, frequency of the oscillation, radiation parameter, Prandtl num...

Journal: :Bratislava Medical Journal 2013

2001
A. Yu P. Z. Bar-Yoseph

The present study is devoted to the problem of onset of oscillatory instability in convective flow of an electrically conducting fluid under an externally imposed time-independent uniform magnetic field. Convection of a low-Prandtl-number fluid in a laterally heated two-dimensional horizontal cavity is considered. Fixed values of the aspect ratio ~length/height54! and Prandtl number ~Pr50.015!,...

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