雾化效果对液雾燃烧过程影响的数值模拟  

Numerical Simulation Research on the Influence of Atomization Effect on the Combustion Performance in a Model Combustor

作　　者：舒宝万[1] 毛羽[1] 

机构地区：[1]石油大学化工学院,北京102200

出　　处：《工业炉》2004年第4期27-32,共6页Industrial Furnace

摘　　要：采用数值模拟的方法分析雾化效果(雾化角和雾化平均粒径两个主要指标)对液雾燃烧过程的影响。对燃烧室内的流动及燃烧状况进行了全尺寸数值模拟,预报了燃烧室内流场和温度场,考察了雾化效果对其内温度场、速度场的影响规律,对进一步分析燃油燃烧状况,提高工业炉热效率有很好的指导意义。The standard k-εturbulent model , PDF turbulent combustion model, discrete phase stochastic model, spray evaporation model and discrete ordinates radiation model are used to simulate the three-dimensional turbulent flow and combustion of different atomization effect (include atomization angle and even atomization diameter )in a combustor with kerosene-spray. The result of the numerical simulation predicts the flow field, temperature, especially analyses the influence rule of atomization effect. It is helpful to the optimization of burner and the improvement of burner efficiency.

关 键 词：燃烧室 液雾 湍流 燃烧 辐射 结构化网格 数值模拟 

分 类 号：TQ05[化学工程]