Spinup or spindown of a rotating electrically conducting fluid in a magnetic field
Journal Article
·
· Phys. Fluids; (United States)
The hydromagnetic spinup or spindown of an incompressible, rotating, electrically conducting fluid over an infinite insulated disk with an applied magnetic field is studied when the impulsive motion is imparted either to the fluid or to the disk. The nonlinear partial differential equations governing the flow are solved numerically using an implicit finite-difference scheme. It is found that the spinup (or spindown) time due to impulsive motion of the disk is much shorter than the spinup (or spindown) time due to the impulsive motion of the distant fluid. The spinup (or spindown) time for the hydromagnetic case is comparatively smaller than the corresponding nonmagnetic case. Spindown is not merely a mirror reflection of spinup.
- Research Organization:
- Department of Applied Mathematics, Indian Institute of Science, Bangalore 560012, India
- OSTI ID:
- 6660751
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 27:7; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640430* -- Fluid Physics-- Magnetohydrodynamics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR VELOCITY
BOUNDARY LAYERS
DIFFERENTIAL EQUATIONS
ELECTRIC CONDUCTORS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
EQUATIONS
EQUIPMENT
FINITE DIFFERENCE METHOD
FLUID FLOW
FLUID MECHANICS
FLUIDS
HYDRODYNAMICS
INCOMPRESSIBLE FLOW
ITERATIVE METHODS
LAMINAR FLOW
LAYERS
MAGNETIC FIELDS
MAGNETOHYDRODYNAMICS
MECHANICS
MOTION
NONLINEAR PROBLEMS
NUMERICAL SOLUTION
PARTIAL DIFFERENTIAL EQUATIONS
ROTATION
STEADY-STATE CONDITIONS
VELOCITY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR VELOCITY
BOUNDARY LAYERS
DIFFERENTIAL EQUATIONS
ELECTRIC CONDUCTORS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
EQUATIONS
EQUIPMENT
FINITE DIFFERENCE METHOD
FLUID FLOW
FLUID MECHANICS
FLUIDS
HYDRODYNAMICS
INCOMPRESSIBLE FLOW
ITERATIVE METHODS
LAMINAR FLOW
LAYERS
MAGNETIC FIELDS
MAGNETOHYDRODYNAMICS
MECHANICS
MOTION
NONLINEAR PROBLEMS
NUMERICAL SOLUTION
PARTIAL DIFFERENTIAL EQUATIONS
ROTATION
STEADY-STATE CONDITIONS
VELOCITY