对旋流两相流动,用考虑壁面粗糙度的双流体颗粒-壁面碰撞模型,结合二阶矩两相湍流模型和不同颗粒相边界条件,进行了数值模拟.结果表明,由于考虑了各方向雷诺应力之间的相互转化,雷诺应力从平均运动中得到能量,以及壁面对颗粒运动的衰减作用等因素,该颗粒壁面碰撞模型给出的模拟结果与实验符合较好,而广泛应用的零梯度颗粒壁面边界条件给出的模拟结果最差.
参考文献
| [1] | Zhou L X.Recent Advances in the Second-Order Moment Two-Phase Turbulence Models for Gas-Particle and Bubble-Liquid Flows[A].CD-ROM.New Orleans,2001 |
| [2] | 张夏,周力行.考虑壁面粗糙度的双流体颗粒-壁面碰撞模型[J].燃烧科学与技术,2002(02):140-144. |
| [3] | 张夏,周力行.双流体颗粒-壁面碰撞模型在突扩两相湍流模拟中的应用[J].燃烧科学与技术,2003(03):195-199. |
| [4] | Zhang X;Zhou L X.Simulation of horizontal channel Gas-Particle Flows Using a Two-Fluid Particle-Wall Collision Model Accounting for Wall Roughness[A].Honolulu,Hawaii,2003 |
| [5] | Sommerfeld M;Qiu H H .Detailed Measurements in a Swirling Particulate Two-Phase Flow by a Phase-Doppler Anemometer[J].International Journal of Heat and Fluid Flow,1991,12(01):20-28. |
| [6] | Zhou L X;Chen T .Simulation of Swirling Gas-Particle Flows Using USM and κ - ε - κρ Two-Phase Turbulence Models[J].Powder Technology,2001,114(01):1-11. |
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