The Fascination of Vortex Rings |
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Authors: | N Riley |
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Institution: | (1) School of Mathematics, University of East Anglia, Norwich, NR4 7TJ, U.K |
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Abstract: | We present inviscid and viscous models for the formation and propagation of single, and co-axial pairs of, vortex rings. Inviscid flows are based on both thin rings, and thick rings treated by a contour dynamics approach, whilst viscous flows are determined from numerical solutions of the Navier–Stokes equations. A kaleidoscope of different flow behaviours for these axisymmetric flows is presented. |
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Keywords: | vortex rings co-axial formation propagation interaction viscous inviscid |
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