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The Flight Testing of Natural And Hybrid Laminar Flow Nacelles

Barry, B. (1994) The Flight Testing of Natural And Hybrid Laminar Flow Nacelles.

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The achievement of large areas of laminar flow over aircraft engine nacelles offers significant savings in aircraft fuel consumption. Based upon current engine configurations net sfc of up to 2% are possible. In addition the engine nacelle is ideally suited to the early inclusion of laminar flow technology, being relatively self contained with the possibility of application to existing airframes. In September 1992 a European Consortium managed by Rolls-Royce including MTU and DLR began flight testing of a natural laminar flow nacelle. This programme was later extended by R-R and DLR to flight test a hybrid flow nacelle featuring boundary layer suction and insect contamination protection. The tests evaluated the ef- fects of flight and engine environment, boundary layer transition phenomena suction system operation and insect contamination avoidancestrategies. This paper describes the global conclusions from these flight tests which are a significant milestone leading to the future application of laminar flow technology to engine nacelles.

Item URL in elib:https://elib.dlr.de/36198/
Document Type:Conference or Workshop Item (Speech)
Additional Information: institution=The American Society of Mechanical Engineers, LIDO-Berichtsjahr=1994, pages=14,
Title:The Flight Testing of Natural And Hybrid Laminar Flow Nacelles
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Natural laminar flow nacelle, Hybrid laminar flow nacelle, Flight Tests
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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