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RESEARCH PAPERS

Observations of Wave Motion and Upstream Influence in a Stratified Fluid

[+] Author and Article Information
D. A. Hurdis

Department of Mechanical Engineering, The University of Maryland, College Park, Md.

H.-P. Pao

Department of Aerospace and Atmospheric Sciences, The Catholic University of America, Washington, D. C.

J. Appl. Mech 43(2), 222-226 (Jun 01, 1976) (5 pages) doi:10.1115/1.3423813 History: Received August 01, 1975; Online July 12, 2010

Abstract

The disturbances created by the motion of a vertical flat plate within the density-gradient region between two superimposed liquid layers were examined both experimentally and numerically. An upstream influence, which resulted from a balance of inertial and gravitational forces, was observed, and it was possible to predict the behavior of this influence with the numerical model. The prediction included a description of the propagation of the upstream influence to steadily increasing distances from the flat plate and the shapes and magnitudes of the velocity profiles.

Copyright © 1976 by ASME
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