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An investigation of a free jet at low Reynolds numbers

Author
Greene, G. C.
Published
Aug 1, 1973.
Physical Description
1 electronic document
Online Version

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Summary
A comparison of the measured and calculated flow field properties of a nozzle of unusual design which was used to produce an incompressible, low Reynolds number jet is presented. The nozzle is essentially a porous metal plate which covers the end of a pipe. Results are presented for nozzle Reynolds numbers from 50 to 1000 with velocities of 100 or 200 ft/sec. The nozzle produces a uniform velocity profile at nozzle Reynolds numbers well below those at which conventional contoured nozzles are completely filled with the boundary layer. A jet mixing analysis based on the boundary layer equations accurately predicted the flow field over the entire range of Reynolds numbers tested.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19730021501.
Accession ID: 73N30233.
NASA-TM-X-69566.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15748034