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Investigations of Propulsion Interference Effects on a Transport Aircraft Configuration

Rossow, C.-C. (1994) Investigations of Propulsion Interference Effects on a Transport Aircraft Configuration. Journal of Aircraft, Vol. 31, No. 5, No. 5, pp. 1022-1030.

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In a joint effort ONERA and DLR have assessed the interference effects of a generic twin-engine transport aircraft configuration equipped with through-flow nacelle. Both experimental and theoretical investigations were performed. The results showed that the installation of the nacelles had substantial effects on total forces at cruise Mach number. With respect to the clean configuration, total lift decreased at constant incidence, and total drag increased at constant lift. A detailed analysis of the flowfield revealed that for transonic flows the installation of the nacelle influenced the complete upper wing surface. On the lower wing surface the flow was considerably accelerated due to the propulsion system, and a supersonic region terminated by a shock wave appeared. The nacelle pressure distribution was also substan- tially influenced by interference effects. Comparison of experi- mental and numerical results showed that the solution of the Euler equations is well capable of simulating the interference effects.

Item URL in elib:https://elib.dlr.de/36243/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=1994,
Title:Investigations of Propulsion Interference Effects on a Transport Aircraft Configuration
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:Journal of Aircraft, Vol. 31, No. 5
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Volume:No. 5
Page Range:pp. 1022-1030
Series Name:Vol.31
Keywords:Interference Effects, Transport Aircraft Configuration, generic twinengine transport aircraft configuration
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):L - Concepts & Integration (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: DLR-Beauftragter, elib
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:05

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