Blind Test Case Data, Technical Note M-DAW

Streit, T. and Ronzheimer, A. and Büscher, A. (2004) Blind Test Case Data, Technical Note M-DAW. DLR-Interner Bericht. 124-2004/904, 38 S.

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Abstract

Blind RANS CFD solutions were obtained for the N-47 wing body with three different wing tip devices: Küchemann tip (basic configuration), fence tip and large winglet. Onflow conditions are M=0.85 and a high Reynolds number Re=54.2 mill, corresponding to cruise conditions. Solutions were obtained on unstructured hybrid meshes using the TAU solver. Solutions were obtained at various incidences and at constant lift to evaluate performance. Different adaptation mesh refinement procedures were used to improve resolution of flow regions of interest. One and two-equation turbulence models were used. The three wing tip devices were compared by analysing results of pressure distributions, local distributions of force and moment, surface contours and skin friction lines.

Document Type:

Monograph (DLR-Interner Bericht)

Additional Information:

LIDO-Berichtsjahr=2005,

Title:

Blind Test Case Data, Technical Note M-DAW

Authors:

Authors	Institution or Email of Authors
Streit, T.
Ronzheimer, A.
Büscher, A.	Technische Universität Braunschweig

Date:

2004

Number of Pages:

Status:

Published

Keywords:

Küchemann, large winglet, fence tip, Navier-Stokes, hybrid unstructured meshes, TAU, Menter SST turbulence model

HGF - Research field:

Aeronautics, Space and Transport

HGF - Program:

Aeronautics

HGF - Program Themes:

L AR - Aircraft Research

DLR - Research area:

Aeronautics

DLR - Program:

L AR - Aircraft Research

DLR - Research theme (Project):

L - Flight Physics

Location:

Köln-Porz , Braunschweig , Göttingen

Institutes and Institutions:

Institute of Aerodynamics and Flow Technology

Deposited By:

Claudia Grant

Deposited On:

31 Jan 2006

Last Modified:

14 Jan 2010 19:44

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