Journal ArticleDOI
The effects of particles on the stability of a two-phase wake flow
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In this paper, the effects of particles on the stability of two-phase wake flows were investigated and it was shown that the presence of the particles enhances the stability and can lower the imaginary part of the branch point and transfer the flow to the convectively unstable region.About:
This article is published in International Journal of Multiphase Flow.The article was published on 1993-02-01. It has received 21 citations till now. The article focuses on the topics: Two-phase flow & Open-channel flow.read more
Citations
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Journal ArticleDOI
Electrohydrodynamic atomization: A two-decade effort to produce and process micro-/nanoparticulate materials.
TL;DR: The goal is to review this field, which allows scientists and engineers to learn about the EHDA technique and how it might be used to create, process, and assemble micro-/nanoparticulate materials with unique and intriguing properties.
Journal ArticleDOI
Experiments on particle dispersion in a plane wake
TL;DR: In this paper, the effects of vortex structures on the solid particle dispersion process in a plane wake were analyzed using laser sheet pulsed imaging of glass bead particles in a wake downstream of a blunt trailing edge.
Book ChapterDOI
Particle Interactions with Vortices
TL;DR: In this article, the effect of vortical flows on suspended particles and droplets is to generate a dispersion pattern in which the particulate phase tends to migrate from the vortex core and concentrate on the edges of the vortices.
Journal ArticleDOI
Linear instability of a particle-laden mixing layer with a dynamic dispersed phase
Athanassios A. Dimas,K. T. Kiger +1 more
TL;DR: In this article, the authors studied the linear, inviscid, spatial instability of a mixing layer uniformly laden with a dilute concentration of heavy particles and modeled the effect of the particles using an ensemble averaged Eulerian description of the velocity field and Stokes drag formula to compute an averaged force, and the carrier fluid and the particle motions were assumed to be fully coupled.
Journal ArticleDOI
Interactions of particles and microbubbles with turbulence
TL;DR: In this paper, the authors considered the fluctuating forces on an individual particle in an unsteady flow, the response of a solid particle to a turbulent air flow, and the corresponding response of small bubble in turbulent liquid flows.
References
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Journal ArticleDOI
Local and global instabilities in spatially developing flows
TL;DR: In this article, a review of recent developments in the hydro- dynamic stability theory of spatially developing flows pertaining to absolute/convective and local/global instability concepts is presented.
Journal ArticleDOI
Absolute and convective instabilities in free shear layers
TL;DR: The absolute or convective character of inviscid instabilities in parallel shear flows can be determined by examining the branch-point singularities of the dispersion relation for complex frequencies and wavenumbers.
Journal ArticleDOI
On the stability of laminar flow of a dusty gas
TL;DR: In this paper, the effect of dust on the stability of a gas is described by two parameters; the concentration of dust and a relaxation time τ which measures the rate at which the velocity of a dust particle adjusts to changes in the gas velocity and depends upon the size of the individual particles.