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Numerical Simulation and Analysis of the Hypersonic Turbulent Flow past a Blunt Fin/Ramp Configuration

Gerhold, T. (1995) Numerical Simulation and Analysis of the Hypersonic Turbulent Flow past a Blunt Fin/Ramp Configuration. Other. 1327.

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Abstract

The turbulent hypersonic flow past a blunt fin/ramp configuration is investigated numerically. The implicit finite-difference method which is used, with upwind discretization and TVD characteristic, integrates the compressible mass-weighted Reynolds-averaged Navier-Stokes equations. Perfect gas is assumed. Both the algebraic turbulence model according to Baldwin & Lomax and various versions of the two-equation-k-epsilon model according to Jones & Launder are used to solve the equations. One version of this model takes into account the influence of compressibility on turbulence. The influence of the turbulence models on the flow field solutions is investigated, the grid influence is discussed, and the topology of the flow field is depicted using the results. A comparison is made with new experimental data, in order to validate the investigations. Finally, the validity of transferring the results to free-flight conditions is discussed

Document Type:Monograph (Other)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Numerical Simulation and Analysis of the Hypersonic Turbulent Flow past a Blunt Fin/Ramp Configuration
Authors:
AuthorsInstitution or Email of Authors
Gerhold, T.UNSPECIFIED
Date:1995
Series Name:ESA-TT
Status:Published
Keywords:complex turbulent 3D flow, topology of the flow field, shock-shock interaction, shock-boundary-layer, interaction, vortex-boundary layer interaction, numerical flow field simulation, comparison of turbulence models, compressibility effects on turbulence, grid influence, upwind discretization, TVD, implicit finite-difference method
Institution:ESA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:40

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