Time–space characteristics of stratified shear layer from UVP measurements

Time–space characteristics of stratified shear layer from UVP measurements The stratified shear layer flow pattern involves a fresh water layer flowing over a salted water one. The instabilities arising due to velocity gradients are mainly convective and thus evolve in time and space during their downstream propagation. This work was carried out within the framework of a study on the interaction between fresh water and seawater in the estuaries of rivers, where the main part of the physicochemical and biological phenomena occurs under the control of hydrodynamic conditions. The spatio-temporal velocity profile measurement by the ultrasonic Doppler method is well adapted to the stability analysis of such flows. It allows a comparison between the experimental wave properties and the theoretical results given by a linear temporal approach extended to the spatial point of view. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Time–space characteristics of stratified shear layer from UVP measurements

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Publisher
Springer-Verlag
Copyright
Copyright © 2003 by Springer-Verlag
Subject
Engineering
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-003-0614-0
Publisher site
See Article on Publisher Site

Abstract

The stratified shear layer flow pattern involves a fresh water layer flowing over a salted water one. The instabilities arising due to velocity gradients are mainly convective and thus evolve in time and space during their downstream propagation. This work was carried out within the framework of a study on the interaction between fresh water and seawater in the estuaries of rivers, where the main part of the physicochemical and biological phenomena occurs under the control of hydrodynamic conditions. The spatio-temporal velocity profile measurement by the ultrasonic Doppler method is well adapted to the stability analysis of such flows. It allows a comparison between the experimental wave properties and the theoretical results given by a linear temporal approach extended to the spatial point of view.

Journal

Experiments in FluidsSpringer Journals

Published: Jun 3, 2003

References

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