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DYNA

versão impressa ISSN 0012-7353

Resumo

COPETE, HENRY; AMELL, ANDRÉS  e  CADAVID, FRANCISCO. NUMERICAL SIMULATION OF HIGH SPEED COMBUSTION CHAMBER USING TWO FUEL INJECTION CONFIGURATIONS. Dyna rev.fac.nac.minas [online]. 2008, vol.75, n.156, pp.109-120. ISSN 0012-7353.

In this work, it was simulated the combustion process in a high velocity chamber, which uses highly preheated air and methane as fuel. The simulation was carried out with FLUENT and the grid was drawn with GAMBIT. These programs were used as designing tool to predict the performance of the combustion system when two different types of burners are tested, and there is not swirl generation. The first type of burner the fuel is injected axially. In the second one the fuel is injected radially. The models were: k - e for turbulence, P1 for radiation and PDF-Mixture Fraction for combustion processes. The numerical results show that radial injection of fuel presents a better performance than axial injection with regard to combustion efficiency, also it is achieved a more complete combustion due to the better mix between air and fuel

Palavras-chave : High velocity; Combustion; Simulation; Non-premixed flame; FLUENT; Gas injection.

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