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Analysis of the Static Pressure Distribution on a Laminar Flow Nacelle Based on Euler Calculations and Flight Measurements

Riedel, H. and Ronzheimer, A. and Sitzmann, M. (1998) Analysis of the Static Pressure Distribution on a Laminar Flow Nacelle Based on Euler Calculations and Flight Measurements. Aerospace Science and Technology, 2 (2), pp. 129-143.

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Abstract

The requirement to reduce the specific fuel consumption of future advanced transport aircraft, in order to achieve definite improvements in the areas of economy and ecology, has resulted in dedicated activities among others in two fields of aeronautics. In the area of propulsion the current trend in the development of turbofan engines is directed towards very high and ultra high bypass ratios with the objective to lower the specific fuel consumption and the noise level. In the area of aerodynamics the laminarization of extensive surface areas of the airframe wetted by the external flow aims at a reduction of the skin friction drag. Since the higher bypass ratios of the advanced powerplants are associated with a growth in the engine nacelle dimensions, not only the skin friction drag rises, but the problem of engine-airframe integration is also intensified due to negative engine-airframe interactions. Therefore there is a challenge to an efficient integration of.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1998,
Title:Analysis of the Static Pressure Distribution on a Laminar Flow Nacelle Based on Euler Calculations and Flight Measurements
Authors:
AuthorsInstitution or Email of Authors
Riedel, H.UNSPECIFIED
Ronzheimer, A.UNSPECIFIED
Sitzmann, M.UNSPECIFIED
Date:1998
Journal or Publication Title:Aerospace Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:2
Page Range:pp. 129-143
Status:Published
Keywords:Laminar flow nacelle, Natural laminar flow, Static pressure distribution, Euler calculations, Flight measurements, Transport...
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
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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