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Numerical modeling of mixing and reaction near an angled cavity flame holder for a supersonic combustor
Sadanand Sadahiv Gokhale
Published in
2005
Pages: 453 - 456
Abstract
The cavity in supersonic combustor provides a stable flame holding with enhanced mixing. Computational analysis of the flow field associated with the cavity based supersonic combustors is presented. Results are obtained by numerically solving unsteady, compressible, turbulent Navier-Stokes equations, using Unstructured Finite Volume Method (UFVM) incorporating RNG based κ-ε two equation model and time integration using three stage Runge-Kutta method. Reaction is modeled using a simplified two step H 2-air chemistry. The code is validated against standard experimental data. The extend to which fuel injected upstream of the cavity, mixes with the cross flow, will vary as the aft wall angle has a vital role in deciding the nature of shear layer formed in the cavity region.
About the journal
Journal5th Asia-Pacific Conference on Combustion, ASPACC 2005: Celebrating Prof. Bob Bilger's 70th Birthday
Open AccessNo
Concepts (15)
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    CAVITY FLAME HOLDERS
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    Computational analysis
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    ENHANCED MIXING
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    Experimental datum
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    SUPERSONIC COMBUSTORS
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    TIME INTEGRATION
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    TWO-EQUATION MODEL
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    UNSTRUCTURED FINITE VOLUME METHODS
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    Combustion
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    Finite volume method
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    FUEL PURIFICATION
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    Incompressible flow
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    Navier stokes equations
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    Runge kutta methods
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    Supersonic aerodynamics