Slow flow of a conducting fluid past a non-conducting porous sphere of variable permeability in presence of a uniform radial magnetic field is studied. The drag experienced by the sphere is shown graphically and compared to that for a non-conducting fluid.
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- \(\vec Q,\vec q\) :
velocity vectors of the porous matrix and the conducting fluid
- P, p :
pressures in the porous material and the free fluid
- K :
permeability at a point of the porous medium
- μ :
- v :
(=μρ) kinematic viscosity
- \(\vec B\) :
- \(\vec J\) :
- (r, θ, ϕ):
- α :
- σ :
conductivity of the liquid
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The authors remain thankful to the referee for his valuable comments and helpful suggestions for improvement of the quality of the paper.
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Das, K., Sanyal, D.C. Slow flow of a conducting fluid past a non-conducting porous sphere with variable permeability. Czech J Phys 44, 737–743 (1994). https://doi.org/10.1007/BF01700640
- Magnetic Field
- Slow Flow
- Conducting Fluid
- Porous Sphere