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Unsteady turbulent shear flow in shock tube discontinuitiesA pressure-ruptured shock tube and an arc driven shock tube, have been used to study the evolution of turbulent fluctuations at contact surfaces with N2O4-2NO2 mixtures and at ionizing shock fronts in argon. The study has focused on point density diagnostics derived from crossed light beam correlations and electric probes. Turbulent bursts are found for which dynamical and spectral analyses suggest a particle-like evolution of fluctuation segments with a unique and characteristic frequency, independent of flow history and overall flow conditions.
Document ID
19830065227
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Johnson, J. A., III
(Rutgers Univ. New Brunswick, NJ, United States)
Ramaiah, R.
(Rutgers Univ. New Brunswick, NJ, United States)
Lin, I.
(Rutgers University New Brunswick, NJ, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1981
Subject Category
Fluid Mechanics And Heat Transfer
Meeting Information
Meeting: Unsteady turbulent shear flows; Proceedings of the Symposium
Location: Toulouse
Country: France
Start Date: May 5, 1981
End Date: May 8, 1981
Accession Number
83A46445
Funding Number(s)
CONTRACT_GRANT: NSG-3280
Distribution Limits
Public
Copyright
Other

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