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Calculation of Turbulent Expansion ProcessesOn the basis of certain formulas recently established by L. Prandtl for the turbulent interchange of momentum in stationary flows, various cases of "free turbulence" - that is, of flows without boundary walls - are treated in the present report. Prandtl puts the apparent shearing stress introduced by the turbulent momentum interchange. This present report deals first with the mixing of an air stream of uniform velocity with the adjacent still air, than with the expansion or diffusion of an air jet in the surrounding air space.
Document ID
20030071258
Acquisition Source
Langley Research Center
Document Type
Other - NACA Technical Memorandum
Authors
Tollmien, Walter
(National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Date Acquired
September 7, 2013
Publication Date
September 1, 1945
Publication Information
Publication: Zeitschrift fuer angewandte Mathematik und Mechanik
Volume: 6
Subject Category
Fluid Mechanics And Thermodynamics
Report/Patent Number
NACA-TM-1085
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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