Mathematical Modeling and Analysis of Different Type of Fuel Injector in Scramjet Engine Using CFD Simulation in Fluent
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 2
Abstract
At Present the most promising propulsive systems, the scramjet engine has drawn the attention of many researchers. The two-dimensional coupled implicit NS equations, the standard k-ε turbulence model and the finite-rate/eddy-dissipation reaction model have been applied to numerically simulate the flow field of the hydrogen fuel scramjet combustor with a different type of fuel injector like single wall, double wall and Pylon structure is compare with the basis of Temperature, Pressure and velocity variation, Mass fraction of H2, O2 & H2O and total energy. The results obtained by CFD simulation shows that the numerical method used in this study is suitable to simulate the flow field of the scramjet combustor. At last we analyse the pylon type fuel injector and conclude that this type of injector give the best results as compare to other. Temperature is increased by almost 35% as compared to previous one. Pylon injector provides better mixing of air-fuel and complete combustion in efficient manner due to this energy is increased and emission is reduced. From this study we can conclude that Pylon type of injector may solve the recent problem of scramjet combustor in use and this analysis shows the solution regarding stabilized flow. From flow phenomenon we can see the stability of flow which is the major problem with planer strut injector as which provide limitation in Mach no of engine but may give continuous flow and combustion through the flight. The eddy generated in the pylon acts as a flame holder in the combustor, and it can prolong the residence time of the mixture in the supersonic flow.
Authors and Affiliations
Santosh Kumar Dixit, Rohit Kumar Choudhary, Suresh Badholiya
Keywords
Related Articles
- EP ID EP23145
- DOI http://doi.org/10.22214/ijraset.2017.2056
- Views 262
- Downloads 5
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