Khan, AA and Shembharkar, TR (2008) Numerical Simulation of Supersonic Combustion in a Slant Cavity. In: 10th Annual CFD Symposium, 11-12 Aug 2008, NAL, Bangalore, India.
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Abstract
A commercial CFD code has been used to compute supersonic combustion in a slant cavity with upstream fuel injection. The 2-D steady state Reynolds Averaged Navier-Stokes equations along with RNG k-ε turbulence model have been solved. Combustion has been modeled by a 5-step 7-species reaction mechanism. The pressure-based algorithm, which the code uses, requires quite some adjustment of solution controlling options and boundary conditions for obtaining the solution. Experiences of using such algorithm for high speed flows are discussed in the paper. The converged solution, however, predicts the important flow features like separation shock ahead of fuel injection, bow shock near fuel injection, free shear layer across the cavity, flow recirculation inside the cavity, impingement of shear layer on slant wall and oblique shock at the trailing edge reasonably well.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | CFD;Slant cavity;Supersonic combustion;Multi-step reaction;Pressure-based algorithm |
| Subjects: | AERONAUTICS > Aeronautics (General) ENGINEERING > Fluid Mechanics and Thermodynamics |
| Depositing User: | Ms. Alphones Mary |
| Date Deposited: | 09 Apr 2013 07:52 |
| Last Modified: | 09 Apr 2013 07:52 |
| URI: | http://nal-ir.nal.res.in/id/eprint/11582 |
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