Item Details

Experimental Investigation of an Axisymmetric Free Jet With an Initially Uniform Velocity Profile

by Thomas L. Labus and Eugene P. Symons
Format
Book; Government Document; Online; EBook
Published
Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service], 1972.
Language
English
Series
NASA Technical Note
Summary
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.
Description
22 p. : ill. ; 27 cm.
Mode of access: Internet.
Notes
  • Prepared at Lewis Research Center.
  • Cover title.
  • Bibliography: p. 21-22.
Series Statement
NASA technical note ; NASA TN D-6783
Logo for No Copyright - United StatesNo Copyright - United States
Technical Details

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    a| Experimental investigation of an axisymmetric free jet with an initially uniform velocity profile c| by Thomas L. Labus and Eugene P. Symons.
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    a| Washington, D.C. : b| National Aeronautics and Space Administration ; a| [Springfield, Va. : b| For sale by the National Technical Information Service], c| 1972.
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    a| 22 p. : b| ill. ; c| 27 cm.
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    a| NASA technical note ; v| NASA TN D-6783
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    a| Prepared at Lewis Research Center.
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    a| Cover title.
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    a| Bibliography: p. 21-22.
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    a| 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.
    538
      
      
    a| Mode of access: Internet.
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    a| Speed.
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    a| Jet nozzles.
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    a| Jets x| Fluid dynamics.
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    a| Symons, Eugene P.
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    a| United States. b| National Aeronautics and Space Administration.
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    a| Lewis Research Center.
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    b| UIU c| UIUC d| 20141113 s| google u| uiug.30112106883736 y| 1972 r| pd q| bib

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