Combustion modelling of JP10 in a scramjet engine
Date
2011
Authors
Christo, F.
Editors
Love, D.
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Type:
Conference paper
Citation
Proceedings of the AIAC14 Fourteenth Australian International Aerospace Congress, 2011 / Love, D. (ed./s), pp.1-10
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Conference Name
AIAC14 Fourteenth Australian International Aerospace Congress: 3rd Asia-Pacific International Symposium on Aerospace Technology (APISAT 2011) (28 Feb 2011 - 3 Mar 2011 : Melbourne, Australia)
Abstract
This paper introduces a new concept of thermal cracking of aviation fuels using a porous media reactor (PMR). In this process thermal partial oxidation (TPOX) is achieved inside a porous bed where the heavy JP10 is broken down into a lighter molecules. A numerical modelling of the combustion of the decomposed JP10 injected in a scramjet engine is carried out. The results highlight the importance of selecting an appropriate chemistry, combustion and turbulence-chemistry interaction models. The superiority of using multistep chemistry and the eddy-dissipation concept, over fast-chemistry models, in predicting flow and flame characteristics is demonstrated. Overall, the TPOX-PMR approach offers a potential solution for achieving a stable burning of JP10 fuel in scramjet engines. However further design optimisation of the fuel injector is required.
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Copyright 2011 F Christo