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Validation of transonic turbulent flows past delta wing configurations

Published online by Cambridge University Press:  04 July 2016

A. Hilgenstock
A. Hilgenstock*
Affiliation:
Institut für Theoretische Strömungsmechanik, DLR Göttingen, Germany
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Abstract

The turbulent flow around a delta wing at incidence is simulated numerically using a finite-volume Navier-Stokes method. The numerical simulation makes use of a simple algebraic turbulence model. The influence of grid refinement is investigated. The more realistic wing-body configuration with round leading edge is used to discuss the influence of the position of the transition line and to compare experimental and numerical data to validate the numerical method. The topological structure of the flow is discussed. An explanation is given for the low particle density area close to the primary vortex as it is visualised by laser light-sheet technique in the experiment. Results for a close coupled delta-wing-canard configuration are discussed.

Type
Research Article
Information
The Aeronautical Journal , Volume 95 , Issue 947 , September 1991 , pp. 219 - 230
Copyright
Copyright © Royal Aeronautical Society 1991 

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