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Experimental and Computational Study of Tones Occurring with a Coaxial NozzleTones were encountered in large-scale, multi-stream nozzle tests in the Aeoacoustics Propulsion Laboratory (AAPL). A different coaxial nozzle used in a past experiment also produced tones. In this paper, we present experimental and COMSOL results addressing the tone mechanism in the latter nozzle.
Document ID
20180006112
Document Type
Presentation
Authors
Zaman, Khairul (NASA Glenn Research Center Cleveland, OH, United States)
Milanovic, Ivana (Hartford Univ. West Hartford, CT, United States)
Fagan, Amy (NASA Glenn Research Center Cleveland, OH, United States)
Miller, Chris (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
October 4, 2018
Publication Date
June 29, 2018
Subject Category
Aeronautics (General)
Report/Patent Number
GRC-E-DAA-TN58208
Meeting Information
AIAA/CEAS Aeroacoustics Conference(Atlanta, GA)
Funding Number(s)
WBS: WBS 110076.02.03.04.40.01
Distribution Limits
Public
Copyright
Public Use Permitted.

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