NDLI: Flow in near-critical fluids induced by shock and expansion waves

Content Provider	Springer Nature Link
Author	Schlamp, S. Rösgen, T.
Copyright Year	2005
Abstract	Unsteady shock and expansion waves are proposed as means to produce flows near the liquid-vapor critical-point without imposing pressure gradients. By choosing appropriate initial conditions and wave speeds, near-critical post-wave conditions can be obtained. The post-shock conditions are shown to be stable with respect to perturbations in the pre-shock conditions. The initial conditions are sufficiently far from the critical-point to allow fast thermal equilibration, permitting the use of larger fluid volumes. Example calculations for the cases of an impulsively accelerated piston, of a shock tube, and of a Ludwieg-like tube are presented yielding flows up to 20 m/s in sulfur hexafluoride (SF6), where the limit is due to the region of validity of the equation of state. The proposed setup also allows one to study shock wave propagation into near-critical fluids.
Starting Page	93
Ending Page	101
Page Count	9
File Format	PDF
ISSN	09381287
Journal	Shock Waves
Volume Number	14
Issue Number	1-2
e-ISSN	14322153
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sulfur hexafluoride Xenon Ludwieg tube dense gas BZT fluids critical phenomena two-phase flow Mechanics, Fluids, Thermodynamics Fluids Thermodynamics Acoustics Condensed Matter Solid State Physics and Spectroscopy
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanical Engineering

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Interaction of a shock wave with a loose dusty bulk layer

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Tomographic reconstruction of shock layer flows

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Flow in near-critical fluids induced by shock and expansion waves

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