About choice of particle parameters for visualization and diagnostics of free concentrated air vortices

The problem of the choice of parameters (density, size) of particle inertia for visualization and diagnostics of free vortices of various intensities (characteristic velocity, vortex funnel diameter) is considered. The dimensionless criterion (Stokes number) is used, which determines the peculiariti...

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Bibliographic Details
Published in:High temperature 2014-07, Vol.52 (4), p.554-559
Main Authors: Varaksin, A. Yu, Protasov, M. V., Teplitskii, Yu. S.
Format: Article
Language:English
Subjects:
Atoms and Molecules in Strong Fields
Classical and Continuum Physics
Heat and Mass Transfer and Physical Gasdynamics
Industrial Chemistry/Chemical Engineering
Laser Matter Interaction
Materials Science
Physical Chemistry
Physics
Physics and Astronomy
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Summary:The problem of the choice of parameters (density, size) of particle inertia for visualization and diagnostics of free vortices of various intensities (characteristic velocity, vortex funnel diameter) is considered. The dimensionless criterion (Stokes number) is used, which determines the peculiarities of solid particles behavior in concentrated vortex structures. An example of the choice of particle parameters for visualization of a laboratory-simulated air vortex funnel and debris cloud is described.
ISSN:0018-151X
1608-3156
DOI:10.1134/S0018151X14040257