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Electromagnetic Velometry. II. Elimination of the Effects of Induced Currents in Explorations of the Velocity Distribution in Axially Symmetrical Flow

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2 Author(s)
Kolin, Alexander ; University of Chicago, Chicago, Illinois ; Reiche, Fritz

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The distribution of electrical potential in a conduit carrying an axially symmetrical flow through an homogeneous magnetic field, which is perpendicular to the flow, is analyzed. It is shown that it is possible to eliminate the difficulties arising from induced currents in electromagnetic determinations of the velocity distribution by measuring the potential gradient ∂ψ/∂y (y being ⊥H and ⊥v) along a diameter bisecting the angle between the H axis and the Y axis. The knowledge of the distribution of (∂ψ/∂y)45° at a known discharge through the conduit determines the velocity distribution v=f(r).

Published in:

Journal of Applied Physics  (Volume:25 ,  Issue: 4 )