نتایج جستجو برای: mhd mixed convection

تعداد نتایج: 254020  

2013
Ahmed Kadhim Hussein

: This paper gives a comprehensive overview and understanding related with mixed convection in cylinders. About onehundred papers which are published in different local and international journals and conferences started from the past decade until the recent years are collected and described in various sections to give both researchers and readers a good overview and a solid background about mix...

2008
M Eleuteri

A uniqueness result for a parabolic partial differential equation with hysteresis and convection is established. This equation is a part of a model system which describes the magnetohydrodynamic (MHD) flow of a conducting fluid between two ferromagnetic plates. The result of this paper complements the content of [6], where existence of the solution has been proved under fairly general assumptio...

2009
S. Suneetha N. Bhaskar Reddy V. Ramachandra Prasad N. B. Reddy

1813-8235 (Print), 2070-8998 (Online) © 2008 ANAME Publication. All rights reserved. Received on: 1 Oct. 2008 THERMAL RADIATION EFFECTS ON MHD FREE CONVECTION FLOW PAST AN IMPULSIVELY STARTED VERTICAL PLATE WITH VARIABLE SURFACE TEMPERATURE AND CONCENTRATION S. Suneetha, N. Bhaskar Reddy and V. Ramachandra Prasad Department of Mathematics, Sri Venkateswara University, Tirupati 517502, A. P., IN...

2015
G. Vidyasagar B. Ramana P. Mohan Krishna

In this paper deals with the combined effect of thermal radiation and heat source on the MHD free convection heat and mass transfer flow of a viscous incompressible fluid past a uniformly vertical porous plate. The velocity, temperature and concentration field are obtained and discussed graphically for various values of the physical parameters present. In addition, expressions for the skin fric...

2013
Sharidan Shafie

In this paper, the unsteady magnetohydrodynamics (MHD) free convection flow of an incompressible and electrically conduction fluid over a stretching surface under the influence of Soret and Dufour effects with thermophresis has been investigated. The governing equations are solved numerically by using implicit finitedifference scheme. The results of skin friction, the Nusselt number and the She...

Journal: :Anais da Academia Brasileira de Ciencias 2015
Jacques Padet Renato M Cotta Emilia C Mladin Colette Padet

This paper aims to renew interest on mixed thermal convection research and to emphasize three issues that arise from the present analysis: (i) a clear definition of the reference temperature in the Boussinesq approximation; (ii) a practical delimitation of the three convective modes, which are the forced convection (FC), mixed convection (MC) and natural (or free) convection (NC); (iii) and, fi...

Journal: :transport phenomena in nano and micro scales 2013
g. a. sheikhzadeh h. teimouri m. mahmoodi

in this work, the steady and laminar mixed convection of nanofluid in horizontal concentric annulus withrotating inner cylinder is investigated numerically. the inner and outer cylinders are kept at constanttemperature ti and to respectively, where ti>to. the annular space is filled with alumina-water nanofluid.the governing equations with the corresponded boundary conditions in the polar coord...

Journal: :journal of nanostructures 2012
a. a. abbasian g. a. sheikhzadeh r. heidary m. ebrahim-qomi n. hajialigol

in the present study, mixed convection laminar flow around an adiabatic body in a lid-driven enclosure filled with nanofluid using variable thermal conductivity and variable viscosity is numerically investigated. the fluid around the body in the enclosure is a water-based nanofluid containing al2o3 nanoparticles. the vertical enclosure’s walls are maintained at constant cold temperature and the...

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