On the laminar-turbulent transition in injection-driven porous chambers

On the laminar-turbulent transition in injection-driven porous chambers This paper presents a characterization of the laminar-turbulent transition in a cold flow setup, representative of the flow in a solid rocket motor. Recent developments based on a linear stability analysis of this particular flow have highlighted the existence of intrinsic instabilities, generating the so-called parietal vortex shedding, responsible for thrust oscillations. From this essential ingredient, an original interpretation of the laminar-turbulent transition is proposed using three approaches. Eventually, a description of the laminar and turbulent areas is obtained for the entire flow, from which a transition line is defined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

On the laminar-turbulent transition in injection-driven porous chambers

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2013 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/s00348-013-1643-y
Publisher site
See Article on Publisher Site

Abstract

This paper presents a characterization of the laminar-turbulent transition in a cold flow setup, representative of the flow in a solid rocket motor. Recent developments based on a linear stability analysis of this particular flow have highlighted the existence of intrinsic instabilities, generating the so-called parietal vortex shedding, responsible for thrust oscillations. From this essential ingredient, an original interpretation of the laminar-turbulent transition is proposed using three approaches. Eventually, a description of the laminar and turbulent areas is obtained for the entire flow, from which a transition line is defined.

Journal

Experiments in FluidsSpringer Journals

Published: Dec 13, 2013

References

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