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Title: Transient behavior of vortical flow through a constant diameter pipe
Description:
This video shows the transient behavior of a dye filament introduced close to the axis of symmetry of a vortex when the vortex is subject to a sudden increase in swirl. The apparatus consists of a conventional guide vane arrangement to generate the swirl and a constant diameter pipe through which the vortex flows. The swirl intensity is determined by the angle of attack of the guide vane, ß. The Reynolds number (based on the pipe diameter and the bulk axial velocity) is constant and approximately equal to 4000. Credits: T. W. Mattner, M. S. Chong, and P. N. Joubert References: Web Page: http://pof.aip.org/pof/gallery/2001-mattner.jsp#video Contributed By: Tausif Billah |