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Review and experimental survey of flapped exhaust performance

Bénard, Emmanuel and Watterson, John K. and Gault, Richard and Richardson, Jennifer Review and experimental survey of flapped exhaust performance. (2008) Journal of Aircraft, 45 (1). 349-352. ISSN 0021-8669

(Document in English)

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Official URL: http://dx.doi.org/10.2514/1.34238


An extension to work by NACA was presented for a square flap opening from a large cavity to a transonic turbulent boundary layer. For flap angles from 18 to 45 deg, the discharge coefficients decrease at given stagnation pressure ratio between the cavity and the freestream. This loss of performance is likely linked to competitive flow features. At a given flap deflection and Mach number, dimensionless discharge increases nearly linearly with pressure ratio.

Item Type:Article
Additional Information:Thanks to AIAA editor. The definitive version is available at http://www.aiaa.org/
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Bombardier Inc. (CANADA)
Other partners > Queen's University Belfast - QUB (UNITED KINGDOM)
Other partners > University of Glasgow (UNITED KINGDOM)
Laboratory name:
Deposited On:07 Mar 2011 15:39

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