SIMULATION MODELING OF AN ENHANCED LOW-EMISSION SWIRL-CASCADE BURNER
Based on the physical and computational models outlined in the previous technical progress reports, Natural gas jet diffusion flames in baseline, cascade, swirl, and swirlcascade burners were numerically modeled. The thermal, composition, and flow (velocity) fields were simulated. The temperature, CO{sub 2} and O{sub 2} concentrations, as well as the axial and radial velocity profiles were computed and analyzed. The numerical results showed that swirl and cascade burners have a more efficient fuel/air mixing, a shorter flame, and a lower NOx emission levels, compared to the baseline case. The results also revealed that the optimal configurations of the cascaded and swirling flames have not produced an improved performance when combined together in a ''swirl-cascade burner''.
- Research Organization:
- University of Texas (US)
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FG26-02NT41682
- OSTI ID:
- 838121
- Country of Publication:
- United States
- Language:
- English
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