Simulation of Aviation Kerosene Combustion in Dual-mode Scramjet Combustor |
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Authors: | LIU Ou-zi ZOU Jian-feng CAI Yuan-hu HU Yu-li |
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Affiliation: | 1.School of Aeronautics and Astronautics;Zhejiang University;Hangzhou 310027 Zhejiang;China;2.Northwestern Polytechnical University;Xi'an 710072 Shaanxi;China |
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Abstract: | Supersonic combustion of aviation kerosene is investigated under the flight conditions of Mach number 5 and fuel-air equivalence ratio 0.551. The trajectories of the fuel droplets and the heat/mass transfer between them are simulated by means of discrete phase model (DPM). The k-ω model is chosen for turbulence closure and the non-premixed probability density function (PDF) approach is used to calculate the turbulence-chemistry interaction. The calculated wall static pressure and the total pressure loss coefficient are very close to the experiment results. The strut and cavity devices significantly increase the combustion efficiency. |
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Keywords: | propulsion system of aviation and aerospace scramjet engine dual-mode subsonic combustion supersonic combustion |
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