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Numerical Analysis of Laser Ignition and Flame Development in a Subscale Combustion Chamber

Wohlhüter, Michael and Zhukov, Victor / V. P. and Manfletti, Chiara (2014) Numerical Analysis of Laser Ignition and Flame Development in a Subscale Combustion Chamber. Space Propulsion 2014, 19. - 22. Mai 2014, Cologne, Germany.

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Abstract

Methane has never been used as rocket fuel in a flight mission up to now. However, for upper stage engines and long duration scientific missions it can provide beneficial properties compared to the commonly used fuels. Reliable ignition is crucial for the usage of a rocket engine, especially for mission scenarios requiring ignitions at space conditions. Thus, for future use of methane as rocket fuel, detailed knowledge about the flame behavior in methane/oxygen mixtures inside rocket combustion chambers is essential. The goal of this work is to simulate the laser ignition of methane/oxygen-mixtures in an experimental combustion chamber and gain insight in the processes occurring during the ignition phase. Simulations are done using Unsteady Reynolds-averaged Navier-Stokes (URANS) equations. Combustion is modeled using the combined Finite Rate Chemistry/Eddy Dissipation Model (FRC/EDM) and a reduced global four-step chemical reaction mechanism. Simulations are done using a simplified 180°- and the full 3D-geometry of the combustion chamber and injector. The results show sensitivity towards the time of ignition and the geometry used in the simulation.

Item URL in elib:https://elib.dlr.de/91612/
Document Type:Conference or Workshop Item (Speech)
Title:Numerical Analysis of Laser Ignition and Flame Development in a Subscale Combustion Chamber
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wohlhüter, MichaelMichael.Wohlhueter (at) dlr.dehttps://orcid.org/0000-0003-1324-3127
Zhukov, Victor / V. P.victor.zhukov (at) dlr.dehttps://orcid.org/0000-0003-0110-7419
Manfletti, ChiaraRA-RAK LAUNSPECIFIED
Date:2014
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:laser ignition; rocket combustion chamber
Event Title:Space Propulsion 2014
Event Location:Cologne, Germany
Event Type:international Conference
Event Dates:19. - 22. Mai 2014
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 - Antriebsystemtechnik - Schubkammertechnologie
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Rocket Propulsion
Deposited By: Hanke, Michaela
Deposited On:10 Nov 2014 08:45
Last Modified:13 Mar 2019 12:24

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