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Duplex tab exhaust nozzleAn exhaust nozzle includes a conical duct terminating in an annular outlet. A row of vortex generating duplex tabs are mounted in the outlet. The tabs have compound radial and circumferential aft inclination inside the outlet for generating streamwise vortices for attenuating exhaust noise while reducing performance loss.
Document ID
20120001608
Acquisition Source
Glenn Research Center
Document Type
Other - Patent
Authors
Gutmark, Ephraim Jeff
Martens, Steven (nmn)
Date Acquired
August 25, 2013
Publication Date
January 3, 2012
Subject Category
Fluid Mechanics And Thermodynamics
Report/Patent Number
Patent Number: US-Patent-8,087,250
Patent Application Number: US-Patent-Appl-SN-12/146,510
Funding Number(s)
CONTRACT_GRANT: NAS3-01135
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-8,087,250
Patent Application
US-Patent-Appl-SN-12/146,510

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