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Full Navier-Stokes and Thin Layer Approximation for the ARD Aerothermodynamics Simulation

Longo, J.M.A. (1996) Full Navier-Stokes and Thin Layer Approximation for the ARD Aerothermodynamics Simulation. DLR-Interner Bericht. 129-96/15, 17 S.

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Abstract

In the present technical note Navier-Stokes computations for the ARD capsule under hypersonic laminar perfect gas and hypersonic laminar equilibrium flow assumptions are presented and discussed. The numerical simulation is carried out using two approaches to solve the viscous part, the thin-layer and the full Navier-Stokes model. For the perfect gas case, results are also compared with a solution performed by Aerospatiale. For the perfect gas case the thin-layer approximation overpredicts the levels of heat flux, but the surface static pressure and the flow field around the capsule seem to be insensitive to the type of viscous model used. It turns out overall forces and moments computed with the full Navier-Stokes model may be smaller than those obtained with the thin-layer approach. The results obtained for the equilibrium flow assumption with both viscous model, i.e. thin-layer and full Navier-Stokes, show good.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1996,
Title:Full Navier-Stokes and Thin Layer Approximation for the ARD Aerothermodynamics Simulation
Authors:
AuthorsInstitution or Email of Authors
Longo, J.M.A.UNSPECIFIED
Date:1996
Number of Pages:17
Status:Published
Keywords:Aerothermodynamik, reentry vehicle, laminar flow, perfect gas & real gas, 3D Navier-Stokes
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Grundlagen Raumtransport - Anlagen und Messtechnik (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:06

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