Experimental investigation of an axisymmetric free jet with an initially uniform velocity profile
by Thomas L. Labus and Eugene P. Symons.
Description
- Language(s)
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English
- Published
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Washington, D.C. : National Aeronautics and Space Administration ; 1972.
- Summary
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An experimental investigation was conducted to determine the flow characteristics of a circular free helium jet having an initially uniform velocity profile. Complete velocity profiles are presented at Reynolds numbers of 1027 and 4571 at 0, 3, 6, 10, 15, and 20 nozzle diameters (where possible) from the nozzle exit. Centerline velocity decay and potential core length were obtained over a range of Reynolds numbers from 155 to 5349 at distances up to and including 25 nozzle diameters from the nozzle exit. The angles of spread associated with the diffusion of the jet downstream of the nozzle are also given. Axial jet momentum flux and entrained mass flux, at various distances downstream of the nozzle, are presented as a function of the jet Reynolds number.
- Note
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Prepared at Lewis Research Center.
Cover title.
- Physical Description
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22 p. :
ill. ;
27 cm.
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University of Illinois at Urbana-Champaign
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