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Flight investigations of the effect of yaw on the intake and fan nozzle flow of a natural laminar flow nacelle

Riedel, H. and Sitzmann, M. (1997) Flight investigations of the effect of yaw on the intake and fan nozzle flow of a natural laminar flow nacelle. The Aeronautical Journal, 101, pp. 389-397. The Royal Aeronautical Society, London, England..

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Abstract

Two major technologies in aeronautics promise substantial improvements in the fields of economy and ecology. One is laminar flow technology and the other arises from new developments related to aircraft turbofan engines. The trend in turbofan engine development is towards engines prossessing higher bypass ratios. This, however, entails larger engine dimensions, leading not only to an increase in the skin friction drag but also to negative engine-airframe interactions. As a consequence, the need for laminar flow nacelles becomes all the more important as part of the general process of engine-airframe integration optimization for advanced transport aircraft. This paper deals with some results obtained from flight tests with a laminar flow nacelle demonstrator and specially addresses the topic of aerodynamics of intakes and nozzles. The results described relate to a European collaborative programme in which a natural.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1997,
Title:Flight investigations of the effect of yaw on the intake and fan nozzle flow of a natural laminar flow nacelle
Authors:
AuthorsInstitution or Email of Authors
Riedel, H.UNSPECIFIED
Sitzmann, M.UNSPECIFIED
Date:1997
Journal or Publication Title:The Aeronautical Journal
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:101
Page Range:pp. 389-397
Publisher:The Royal Aeronautical Society, London, England.
Series Name:1008
Status:Published
Keywords:Flight measurements, Natural laminar flow nacelle, Transport aircraft, Effect of yaw, Intake flow, Fan nozzle flow
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
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:06

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