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Large Eddy Simulation of combustion and heat transfer in a single element GCH4/GOx rocket combustor

Maestro, Dario and Cuenot, Bénédicte and Selle, Laurent Large Eddy Simulation of combustion and heat transfer in a single element GCH4/GOx rocket combustor. (2019) Flow Turbulence and Combustion, 103 (3). 699-730. ISSN 1386-6184

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Official URL: https://doi.org/10.1007/s10494-019-00036-w


The single element GCH 4 /GOx rocket combustion chamber developed at the Technische Universität München has been computed using Large Eddy Simulation. The aim of this work is to analyze the flow and combustion features at high pressure, with a particular focus on the prediction of wall heat flux, a key point for the development of reusable engines. The impact of the flow and flame, as well as of the model used, on thermal loads is investigated. Longitudinal distribution of wall heat flux, as well as chamber pressure, have been plotted against experimental data, showing a good agreement. The link between the heat released by the flame, the heat losses and the chamber pressure has been explained by performing an energetic balance of the combustion chamber. A thermally chained numerical simulation of the combustor structure has been used to validate the hypothesis used in the LES.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Centre Européen de Recherche et Formation Avancées en Calcul Scientifique - CERFACS (FRANCE)
Laboratory name:
Deposited On:30 Jun 2021 13:33

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