scholarly journals Numerical solutions for steady viscous flow past a circular cylinder in an aligned magnetic field

2014 ◽  
Vol 9 (2) ◽  
pp. 201-217
Author(s):  
T.V.S. Sekhar ◽  
R. Sivakumar ◽  
H. Kumar
Keyword(s):  
Magnetic Field ◽  
Circular Cylinder ◽  
Viscous Flow ◽  
Numerical Solutions ◽  
Flow Past ◽  
Aligned Magnetic Field

scholarly journals Effect of aligned magnetic field on the steady viscous flow past a circular cylinder

2007 ◽  
Vol 31 (1) ◽  
pp. 130-139 ◽  
Author(s):  
T.V.S. Sekhar ◽  
R. Sivakumar ◽  
H. Kumar ◽  
T.V.R. Ravi kumar
Keyword(s):  
Magnetic Field ◽  
Circular Cylinder ◽  
Viscous Flow ◽  
Flow Past ◽  
Aligned Magnetic Field

scholarly journals A numerical study of steady viscous flow past a circular cylinder

1980 ◽  
Vol 98 (4) ◽  
pp. 819-855 ◽  
Author(s):  
Bengt Fornberg
Keyword(s):  
Reynolds Number ◽  
Circular Cylinder ◽  
Viscous Flow ◽  
Numerical Solutions ◽  
Numerical Study ◽  
Reynolds Numbers ◽  
Iteration Scheme ◽  
The Body ◽  
Flow Past ◽  
A New Technique

Numerical solutions have been obtained for steady viscous flow past a circular cylinder at Reynolds numbers up to 300. A new technique is proposed for the boundary condition at large distances and an iteration scheme has been developed, based on Newton's method, which circumvents the numerical difficulties previously encountered around and beyond a Reynolds number of 100. Some new trends are observed in the solution shortly before a Reynolds number of 300. As vorticity starts to recirculate back from the end of the wake region, this region becomes wider and shorter. Other flow quantities like position of separation point, drag, pressure and vorticity distributions on the body surface appear to be quite unaffected by this reversal of trends.

Oscillatory flow past a circular cylinder in a rotating frame

1997 ◽  
Vol 345 ◽  
pp. 101-131
Author(s):  
M. D. KUNKA ◽  
M. R. FOSTER
Keyword(s):  
Circular Cylinder ◽  
Steady Flow ◽  
Stagnation Point ◽  
Oscillatory Flow ◽  
Numerical Solutions ◽  
Initial Conditions ◽  
Temporal Integration ◽  
Oncoming Flow ◽  
Flow Past ◽  
Rear Stagnation Point

Because of the importance of oscillatory components in the oncoming flow at certain oceanic topographic features, we investigate the oscillatory flow past a circular cylinder in an homogeneous rotating fluid. When the oncoming flow is non-reversing, and for relatively low-frequency oscillations, the modifications to the equivalent steady flow arise principally in the ‘quarter layer’ on the surface of the cylinder. An incipient-separation criterion is found as a limitation on the magnitude of the Rossby number, as in the steady-flow case. We present exact solutions for a number of asymptotic cases, at both large frequency and small nonlinearity. We also report numerical solutions of the nonlinear quarter-layer equation for a range of parameters, obtained by a temporal integration. Near the rear stagnation point of the cylinder, we find a generalized velocity ‘plateau’ similar to that of the steady-flow problem, in which all harmonics of the free-stream oscillation may be present. Further, we determine that, for certain initial conditions, the boundary-layer flow develops a finite-time singularity in the neighbourhood of the rear stagnation point.

Full magnetohydrodynamic flow past a circular cylinder considering the penetration of magnetic field

2018 ◽  
Vol 30 (8) ◽  
pp. 087102 ◽  
Author(s):  
Samit Ghosh ◽  
Subharthi Sarkar ◽  
R. Sivakumar ◽  
T. V. S. Sekhar
Keyword(s):  
Magnetic Field ◽  
Circular Cylinder ◽  
Magnetohydrodynamic Flow ◽  
Flow Past
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