Results 221 to 230 of about 94,207 (269)

Formation of a tripolar vortex in a stratified fluid

Applied Scientific Research, 1993
This paper reports on an experimental study of vortices in a stratified fluid. The vortices were generated by two different stirring devices, viz. a rotating sphere and a rotating bent rod. It was found that the vortices created with the rotating sphere are mostly axisymmetric and stable, whereas the vortices produced with the bent rod generally show ...
Flór, Jan-Bert, W.S.S., Govers, van Heijst, Gertjan F., van Sluis, R.   +3 more
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Intrusion into a stratified fluid

Journal of Fluid Mechanics, 1976
Preliminary measurements have been made of the debouching of homogeneous fluid from a broad source at its equilibrium depth into a linearly stratified tank of salt water. With c the velocity of the nose of the intrusion, h its half-thickness near the source, N the environmental buoyancy frequency and v the kinematic viscosity of the fluid, it is shown ...
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The stability of a stratified fluid

Journal of Fluid Mechanics, 1967
For the flow of a stably-stratified fluid in the inlet region of a rectangular duct, it is shown experimentally that the upper and lower critical Reynolds numbers are functions of the interfacial Froude number F, and that if F is large they are lower than for a homogeneous flow.
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Mixing in stratified fluids

Geophysical & Astrophysical Fluid Dynamics, 1979
Abstract Laboratory experiments on mixing in stratified fluids are examined in the light of some simple energy arguments applied to an analysis of mixing at density interfaces. It is shown that as the stability of the flow, as measured by an overall Richardson number Rio , increases, the velocity interface becomes considerably thicker than the density ...
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Report on the International Conference on stratified fluids

Journal of Fluid Mechanics, 1968
A conference on ‘Stratified Fluids’ was held in Ann Arbor, Michigan, 11–14 April 1967, under the sponsorship of the National Science Foundation. The meeting was organized by Professor C.-S. Yih (University of Michigan) with the assistance of the other members of the scientific committee: T. B. Benjamin, W. R. Debler, L. N. Howard, R. R. Long, J.
Graebel, W. P., Long, R. R., Wu, T. Y. T.   +2 more
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Analysis and Computation with Stratified Fluid Models

Journal of Computational Physics, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Liska, Richard, Wendroff, Burton
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Turbulence in Stratified Fluids

2006
Turbulence and stratification are common features of environmental flows, and their interactions lead to a myriad of flow phenomena of dynamical interest. These flow phenomena are described based on a dynamical framework provided by the equations of motion.
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Tomographic reconstruction of stratified fluid flow

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1993
A method for imaging a moving fluid is proposed and evaluated by numerical simulation. A cross-section of a three-dimensional fluid is probed by high-frequency acoustic waves from several different directions. Assuming straight-ray geometric acoustics, the time of flight depends on both the scaler sound speed and the vector fluid velocity.
K B, Winters, D, Rouseff
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“Negative heat capacity” of stratified fluids

Journal of Experimental and Theoretical Physics Letters, 2000
In 'doubly nonequilibrium' fluids (e.g., in temperature- and admixture-concentration-stratified solutions in the gravity field) situations may occur in which adding (extracting) heat can lower (raise) the temperature of the medium. Several simple examples of this phenomenon are considered.
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Transition modes in stratified compressible fluids

Fluid Dynamics Research, 2001
Summary: Normal modes which exist in stratified compressible fluids are investigated. For the analysis, the conservation of the number of zeros in an eigenfunction is used. It is generally shown that the condition for transition modes such as Lamb-wave modes to exist is determined only by boundary conditions.
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