Flame Surface Density in Turbulent Premixed V-Flame with Buoyancy

被引:0
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作者
C. K. Chan
Xiang-Gui Li
机构
[1] The Hong Kong Polytechnic University,Department of Applied Mathematics
[2] Beijing Information Technology Institute,undefined
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关键词
premixed combustion; buoyancy; flame surface density;
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摘要
A fractional step numerical model is established for turbulent premixed combustion with buoyancy. The flame front propagation is described by the level-set method. Simulated results without buoyancy have been previously validated with available experimental data on a premixed V-flame. A new formula is presented to fit the flame surface density with respect to the reaction progress variable in a turbulent premixed V-flame. By numerical simulations, dynamical behaviour of the flame under the interaction of turbulence, exothermicity and buoyancy are investigated.
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页码:273 / 289
页数:16
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