Abstract
For fluid with finite electric conductivity placed in a magnetic field the dissipative term of magnetic origin causes the governing equation to be nonsymmetric with respect to source and sink. Sink flow of an incompressible, nonconductive, perfect fluid is spherically symmetric with the velocity falling off according to an inverse square law. If the fluid is endowed with finite electrical conductivity and a strong parallel uniform magnetic field is imposed, the magnetic lines will channel the flow along the preferred direction. Far away from the sink a similarity solution exists. Both the velocity field and the magnetic perturbation field have been computed and they represent an axisymmetrical wake-type configuration. It was found that the velocity on the axis falls off as z−½ and the width of the wake increases as z¼. The axial disturbance of the magnetic field is maximum on the z axis and drops off as z−1. The radial component vanishes on the axis and for a given relative position falls off asz−7/4.
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