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Numerical Investigation of Flow and Combustion in a Single-Element GCH4/GOX Rocket Combustor: Aspects of Turbulence Modeling
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chemnitz, Alexander Sattelmayer, Thomas Roth, Christoph Haidn, Oskar J. Daimon, Yu Gerlinger, Peter M. Zips, Julian Pfitzner, Michael |
| Copyright Year | 2016 |
| Abstract | A comparison of the numerical predictions of several groups modeling the reacting flow inside a GCH4/GOX single element rocket combustion chamber is conducted. The focus is placed on turbulence quantities and their influence on the computed mean fields. However, subject of this paper is not a pure study of turbulence model variation but it aims at showing their effect within the framework of different overall setups. These comprise differences in combustion models as well as codes used. Several RANS approaches incorporating the Boussinesq approximation for the modeling of Reynolds stresses are considered. Turbulent heat and mass transfer are modeled via turbulent Prandtl and Schmidt numbers. Characteristic tendencies of the turbulence models are observed across the different codes and combustion models. Furthermore, the relevance of turbulence modeling parameters depends on the combustion modeling approach. An influence of the code used is found as well. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://elib.dlr.de/112332/1/2016_chemnitz_keller_AIAA2016_4998_final.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
