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Calculation of Transonic Wing Flow by Interaction of a Potential and an Integral Three-Dimensional Laminar-Turbulent Boundary Layer Method

Yang, Q.-Z. and Wichmann, G. (1998) Calculation of Transonic Wing Flow by Interaction of a Potential and an Integral Three-Dimensional Laminar-Turbulent Boundary Layer Method. DLR-Interner Bericht. 129-98/11.

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Abstract

A viscous-inviscid interaction method is presented for the analysis of viscous flow around three-dimensional laminar wings and conventional wings. It consists of the transonic inviscid wing analysis code Flo22 and a three-dimensional integral laminar and turbulent boundary layer code including the prediction of transition, coupled by an interaction procedure based on the boundary layer displacement concept, representing a direct iterative method. Results obtained from the computation of the flow around different wing configurations and comparisons with results of other codes prove that the present method is a fast and low cost tool for the prediction of the influence of viscosity on the aerodynamic characteristics of three-dimensional wings.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Calculation of Transonic Wing Flow by Interaction of a Potential and an Integral Three-Dimensional Laminar-Turbulent Boundary Layer Method
Authors:
AuthorsInstitution or Email of Authors
Yang, Q.-Z.UNSPECIFIED
Wichmann, G.UNSPECIFIED
Date:1998
Status:Published
Keywords:Three-dimensional full potential code, three-dimensional boundary layer code, viscous-inviscid interaction, laminar and turbulent wings, displacement concept, transition prediction
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: Claudia Grant
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 19:56

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