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Prediction and analysis of combustion instabilities in a model rocket engine

Selle, Laurent and Blouquin, Rodolphe and Théron, Marie and Dorey, Luc-Henry and Schmid, Martin and Anderson, William Prediction and analysis of combustion instabilities in a model rocket engine. (2014) Journal of Propulsion and Power, 30 (4). 978-990. ISSN 0748-4658

(Document in English)

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Official URL: http://dx.doi.org/10.2514/1.B35146


This paper is a compilation of the research efforts of five different groups (Bertin Technologies and CNES, IMFT, ONERA, Purdue University and Technische Univer- sität München) on the prediction of combustion instabilities in a model rocket engine. This research was initiated by the REST group (Rocket Engine Stability iniTiative) for the 2nd REST Workshop on Combustion Instability Modeling, which took place in October 2010 at Astrium GmbH in Ottobrunn. The target experiment consists of a single shear coaxial injector using methane and decomposed hydrogen peroxide as reactants. Both the inlet of the injector and the outlet of the chamber are choked, resulting in well-defined acoustic boundary conditions. The length of the oxidizer tube could be varied continuously and its influence on the stability is studied. Many numerical strategies were tested, addressing different physical phenomena at play during unstable combustion. Acoustic solvers, both with and without mean-flow effects were used to draw stability maps. The weak spot of these solvers is that they require the flame response to acoustic perturbations as an input. Large-Eddy Simulations, requiring no such a priori knowledge, were performed with the intent to elucidate flame stabilization and flame response mechanisms.

Item Type:Article
Additional Information:Thanks to AIAA editor. The definitive version is available at http://arc.aiaa.org/doi/abs/10.2514/1.B35146
HAL Id:hal-03466719
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Bertin Technologies (FRANCE)
French research institutions > Centre National d'Études Spatiales - CNES (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
French research institutions > Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE)
Other partners > Purdue University (USA)
Other partners > Technische Universität München - TUM (GERMANY)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Deposited On:09 Jul 2014 06:50

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