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Interaction of a vortex with a non-linear shear flow

Published online by Cambridge University Press:  04 July 2016

F. Albers
Affiliation:
Max-planck-institut für Strömungsforschung, Göttingen, Germany
D. W. Schmidt
Affiliation:
Max-planck-institut für Strömungsforschung, Göttingen, Germany
W. J. Wagner
Affiliation:
Max-planck-institut für Strömungsforschung, Göttingen, Germany

Extract

Experiments in the wake of a circular rod at a Reynolds number Re=5·104 have shown that single vortex-like structures can leave the wake and may be detected in the ambient potential flow. This experimental finding suggested the theoretical investigation of the interaction between a vortex and a shear flow. Lin has calculated the average acceleration acting on the vortex at the time t = 0. In the following a finite-difference scheme is described which, in detail, determines the local components of the acceleration and the temporal development of the flow.

Information

Type
Technical Notes
Copyright
Copyright © Royal Aeronautical Society 1980 

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