Similarity analysis of a glottal-like jet

Similarity analysis of a glottal-like jet This work discloses similarity properties of a high-aspect-ratio pulsating jet with lateral confinement exhibiting axis switching in a region close to the jet exit. The analysis is conducted separately within the major and minor planes of the jet source. The similarity relations derived from the in-plane flow equations are combined with experimental data collected in a recent three-dimensional velocimetry study of a glottal-like jet. Empirically, non-collapsing profiles are shown to rescale as collapsing profiles in the similarity variables within ranges of the streamwise coordinate, which are determined by the analysis. The similarity properties are shown to be useful to make predictions on the jet axis-switching characteristics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Similarity analysis of a glottal-like jet

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Publisher
Springer-Verlag
Copyright
Copyright © 2012 by Springer-Verlag
Subject
Engineering; Engineering Thermodynamics, Heat and Mass Transfer; Engineering Fluid Dynamics; Fluid- and Aerodynamics
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-012-1327-z
Publisher site
See Article on Publisher Site

Abstract

This work discloses similarity properties of a high-aspect-ratio pulsating jet with lateral confinement exhibiting axis switching in a region close to the jet exit. The analysis is conducted separately within the major and minor planes of the jet source. The similarity relations derived from the in-plane flow equations are combined with experimental data collected in a recent three-dimensional velocimetry study of a glottal-like jet. Empirically, non-collapsing profiles are shown to rescale as collapsing profiles in the similarity variables within ranges of the streamwise coordinate, which are determined by the analysis. The similarity properties are shown to be useful to make predictions on the jet axis-switching characteristics.

Journal

Experiments in FluidsSpringer Journals

Published: Jun 6, 2012

References

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