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CFD simulation of the ignition of coaxial injected methane and oxygen

Zhukov, Victor / V. P. and Wohlhüter, Michael and Sender, Joachim and Haidn, Oskar (2011) CFD simulation of the ignition of coaxial injected methane and oxygen. In: Proceedings. 4TH EUROPEAN CONFERENCE FOR AEROSPACE SCIENCES (EUCASS, 4. - 8. Jul. 2011, St. Petersburg, Russia.

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Abstract

The ignition of methane by laser spark in a small combustion chamber has been modelled using CFD-code ANSYS CFX. The numerical simulations were performed in a 2D axisymmetric geometry. Turbulence has been modelled using SST turbulence model while the combustion of methane has been modelled with the help of the combined Eddy Dissipation/Finite Rate Chemistry model and a one-step kinetic mechanism. The numerical results have been compared with the experiments by the pressure inside the combustion chamber. The filling of the combustion chamber with the propellants before the ignition and the stationary combustion in the chamber have been modelled accurately. However the numerical model predicts notably higher pressure peak immediately after the ignition. The reasons of the disagreement with experimental data have been discussed.

Item URL in elib:https://elib.dlr.de/72537/
Document Type:Conference or Workshop Item (Speech)
Title:CFD simulation of the ignition of coaxial injected methane and oxygen
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Zhukov, Victor / V. P.victor.zhukov (at) dlr.dehttps://orcid.org/0000-0003-0110-7419
Wohlhüter, MichaelMichael.Wohlhueter (at) dlr.dehttps://orcid.org/0000-0003-1324-3127
Sender, JoachimJoachim.Sender (at) dlr.dehttps://orcid.org/0000-0002-7408-1208
Haidn, OskarOskar.Haidn (at) dlr.deUNSPECIFIED
Date:2011
Journal or Publication Title:Proceedings
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:CFD simulation, LH2, O2
Event Title:4TH EUROPEAN CONFERENCE FOR AEROSPACE SCIENCES (EUCASS
Event Location:St. Petersburg, Russia
Event Type:international Conference
Event Dates:4. - 8. Jul. 2011
Organizer:EUCASS
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):W - Antriebsystemtechnik - Schubkammertechnologie und Hochdruckverbrennung (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Rocket Propulsion
Institute of Space Propulsion > Technologie
Deposited By: Hanke, Michaela
Deposited On:07 Dec 2011 14:25
Last Modified:13 Mar 2019 13:14

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