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Noise Computation of a Shock-Containing Supersonic Axisymmetric Jet by the CE/SE MethodThe space-time conservation element solution element (CE/SE) method is employed to numerically study the near-field of a typical under-expanded jet. For the computed case-a circular jet with Mach number M(j) = 1.19-the shock-cell structure is in good agreement with experimental results. The computed noise field is in general agreement with the experiment, although further work is needed to properly close the screech feedback loop.
Document ID
20000025236
Acquisition Source
Glenn Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Loh, Ching Y. (Taitech, Inc. Cleveland, OH United States)
Hultgren, Lennart S. (NASA Glenn Research Center Cleveland, OH United States)
Chang, Sin-Chung (NASA Glenn Research Center Cleveland, OH United States)
Jorgenson, Philip C. E. (NASA Glenn Research Center Cleveland, OH United States)
Date Acquired
September 7, 2013
Publication Date
December 1, 1999
Subject Category
Acoustics
Report/Patent Number
NAS 1.15:209658
E-12029
AIAA Paper 2000-0475
NASA/TM-1999-209658
Report Number: NAS 1.15:209658
Report Number: E-12029
Report Number: AIAA Paper 2000-0475
Report Number: NASA/TM-1999-209658
Meeting Information
Meeting: 38th Aerospace Sciences Meeting
Location: Reno, NV
Country: United States
Start Date: January 10, 2000
End Date: January 13, 2000
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
PROJECT: RTOP 522-81-11
Distribution Limits
Public
Copyright
Public Use Permitted.

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