RT Journal Article
ID 65ed231511fd136e
A1 Das, S.
A1 Tarafdar, B.
A1 Jana, Rabindra N.
A1 Makinde, Oluwole Daniel
T1 MAGNETIC FERRO-NANOFLUID FLOW IN A ROTATING CHANNEL CONTAINING DARCIAN POROUS MEDIUM CONSIDERING INDUCED MAGNETIC FIELD AND HALL CURRENTS
JF Special Topics & Reviews in Porous Media: An International Journal
JO STRPM
YR 2019
FD 2019-08-19
VO 10
IS 4
SP 357
OP 383
K1 magnetohydrodynamic (MHD)
K1 Hall currents
K1 ferro-nanofluid
K1 porous medium
K1 rotating frame
AB In this article, a fully developed magnetohydrodynamic (MHD) flow of a viscous incompressible electrically conducting
ferro-nanofluid in the presence of a uniform transverse strong magnetic field has been investigated under constant
pressure gradient, taking Hall currents and induced magnetic field into account in a rotating frame of reference. A
Darcy model is employed to simulate drag effects in the porous medium. The base fluid is considered as water which
consists of magnetite-Fe3O4 nanoparticles. The heat transfer analysis is carried out considering the viscous dissipation
and Ohmic heating effects in the presence of nanoparticles. The governing equations describing the flow are solved
analytically. The influences of the pertinent parameters on the velocity field, induced magnetic field, temperature, shear stresses, flow rate, and rate of heat transfer have been presented either graphically or in tabular form. The asymptotic behavior of solutions is analyzed for small and large values of magnetic parameter, rotation parameter, and Darcy number. The obtained results reveal that the Hall currents moderate the flow dynamics significantly. It is interesting to note that for strong magnetic field the boundary layer thickness is independent of rotation as well as solid volume fraction of nanoparticles. The rate of heat transfer at the upper plate of the channel for Fe3O4-water nanofluid is larger in comparison to the pure fluid.
PB Begell House
LK https://www.dl.begellhouse.com/journals/3d21681c18f5b5e7,6d3d396247ce078d,65ed231511fd136e.html