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Application of the DLR Tau Code to predict acoustic damping rates in generic combustion chamber configurations

Karl, Sebastian and Lüdeke, Heinrich (2012) Application of the DLR Tau Code to predict acoustic damping rates in generic combustion chamber configurations. DLR-Interner Bericht. DLR-IB 224-2012 A 67, 11 S.

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Abstract

The DLR Tau code was used to predict the acoustic damping rates in the two dimensional generic combustion chamber configurations of the REST test case HF1 step 1 to 3. The aim of the present study was to assess the applicability of the compressible Navier-Stokes solver Tau using an upwind scheme on unstructured grids for the prediction of acoustic damping. Auxiliary numerical analysis of step 1 and 3 of the HF1 case was performed using the DLR structured Navier Stokes solver Flower applying a low-dissipation central scheme. Good agreement with analytical and other reference solutions was achieved for all considered test cases and both numerical methods.

Document Type:Monograph (DLR-Interner Bericht)
Title:Application of the DLR Tau Code to predict acoustic damping rates in generic combustion chamber configurations
Authors:
AuthorsInstitution or Email of Authors
Karl, SebastianUNSPECIFIED
Lüdeke, HeinrichUNSPECIFIED
Date:2012
Number of Pages:11
Status:Published
Keywords:DLR Tau code
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Numerische Verfahren und Simulation
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Dagmar Brennecke-Hosseinzadeh
Deposited On:23 Oct 2012 08:47
Last Modified:23 Oct 2012 08:47

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