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Incorporation of an Actuator Disc for Lattice Wing Modelling in an unstructured Navier-Stokes Solver

Reynier, P. and Schülein, E. (2002) Incorporation of an Actuator Disc for Lattice Wing Modelling in an unstructured Navier-Stokes Solver. 13. DGLR-Fach Symposium, München (de), 12.-14.11.2002.

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Abstract

This paper focuses on the numerical prediction of the flow around a lattice wing. Due to the complex geometry of such a configuration the actuator disc approach has been chosen to reduce the computational effort. Using this modelling, the lattice wing is replaced by artificial boundary conditions where the forces due to the grid fin are computed using semi-empirical formulae. The incorporation of this approach in an unstructured Navier-Stokes solver has been achieved. This method allows the prediction of the global axial and normal forces acting on a lattice wing in function of its geometrical characteristics. The numerical results obtained for a lattice wing alone are compared against experimental data for different Mach numbers and angles of attack in order to validate the method.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Incorporation of an Actuator Disc for Lattice Wing Modelling in an unstructured Navier-Stokes Solver
Authors:
AuthorsInstitution or Email of Authors
Reynier, P.UNSPECIFIED
Schülein, E.UNSPECIFIED
Date:2002
Status:Published
Keywords:Actuator Disc, Lattice Wing, Unstructured Solver, Numerical Simulation, Modelling
Event Title:13. DGLR-Fach Symposium, München (de), 12.-14.11.2002
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 - Military Technologies
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 19:06

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