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2. Optical Hilbert Diagnostics of the Vortical Structures Induced by the Pressure Front on an Aperture

Author

Nikolay A. Dvornikov, Vitaly A. Arbuzov, Yury N. Dubnishchev, and Viktor G. Nechaev

Subjects
Diffraction, Physics, Work (thermodynamics), Aperture, business.industry, Mechanical Engineering, Phase (waves), Front (oceanography), Optical density, Vortex ring, Physics::Fluid Dynamics, Optics, Mechanics of Materials, General Materials Science, business
Abstract

The methods of Hilbert optics widely use in tasks of visualization and measurement of phase optical density in fluids. In this work, the problem of vortex rings generation upon sudden opening of a cylindrical chamber containing a gas at elevated pressure is considered. At diffraction of pressure front on an aperture in a wall the vortical rings propagated in the opposite directions from the wall have been detected by optical Hilbert methods.

Published
2010
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