A combined PIV/LIF-system for the measurement of heterogeneous drag reduction effects in a pipe-flow

A combined PIV/LIF-system for the measurement of heterogeneous drag reduction effects in a pipe-flow  Particle Image Velocimetry (PIV) technique combined with flow visualization was applied in heterogeneous drag reduction to examine the motion of the polymer thread and the mixing process of polymer and water simultaneously at Reynolds numbers of 15000. The instantaneous velocity profiles for water/polymer motion showed in some cross-sections differences in the velocities of the two phases which indicates an interaction between the polymer thread and the water phase. The results of this interaction have not a significant effect on the drag reduction compared with the influence of the mixing process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

A combined PIV/LIF-system for the measurement of heterogeneous drag reduction effects in a pipe-flow

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Publisher
Springer-Verlag
Copyright
Copyright © 1997 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s003480050051
Publisher site
See Article on Publisher Site

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