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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 555CFD Analysis of Scramjet Combustor with...

CFD Analysis of Scramjet Combustor with Non-Premixed Turbulence Model Using Ramp Injector

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Abstract:

This paper presents the supersonic combustion of hydrogen using strut injector along with two-dimensional turbulent non-premixed combustion model with air inlet temperature of 750 ⁰k and vitiated Mach number of 2. In this process, a PDF approach is created and this method needs solution to a high dimensional PDF transport equation. As the combustion of hydrogen fuel is injected from the strut injector, it is successfully used to model the turbulent reacting flow field. It is observed from the present work that, the maximum temperature of 2096 ⁰k occurred in the recirculation area which is produced due to shock wave-expansion and the fuel jet losses concentration and after passing successively through such areas, temperature decreased slightly along the axis. From the maximum mass fraction of OH, it is observed that there is very little amount of OH around 0.0017 were found out after combustion. By providing strut injector, expansion wave is created which causes the proper mixing between the fuel and air that results in complete combustion.

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Periodical:

Applied Mechanics and Materials (Volume 555)

Pages:

18-25

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.555.18

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Online since:

June 2014

Authors:

Krishna Murari Pandey*, Sukanta Roga

Keywords:

CFD, Hydrogen Fuel, Ramp Injector, Scramjet Combustor, Supersonic Combustion

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* - Corresponding Author

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