气相采用直接数值模拟方法、颗粒相采用拉格朗日轨道模型方法对摩擦雷诺数为180的充分发展槽道内Stokes数为1～104的颗粒趋壁沉积现象进行了研究.研究表明,惯性颗粒在湍流涡的作用下趋向壁面运动,并以一定速率沉积.在"吸收壁面"条件下沉积速率首先随着颗粒弛豫时间增大而增大,在弛豫时间大于100时,沉积速率保持不变.
参考文献
| [1] | Liu B Y;Agarwal J K .Experimental Observation of Aerosol Deposition in Turbulent Flows[J].Journal of Aerosol Science,1974,5:145-155. |
| [2] | McCoy D D;Hanratty T J .Rate of Deposition of Droplets in Annular Two-Phase Flow[J].International Journal of Multiphase Flow,1977,3:319-331. |
| [3] | McLaughlin J B .Aerosol Particle Deposition in Numer-ically Simulated Turbulent Channel Flow[J].Physics of Fluids A Fluid Dynamics,1989,1:1211-1224. |
| [4] | Kin D S;Lee J W .Deposition or inertia Dominated Particles Inside a Turbulent Boundary Layer[J].International Journal of Multiphase Flow,2003,29:893-926. |
| [5] | Lin Tian;Goodarz Ahmadi .Particle deposition in turbulent duct flows-comparisons of different model predictions[J].Journal of Aerosol Science,2007(4):377-397. |
| [6] | Young J.;Leeming A. .A THEORY OF PARTICLE DEPOSITION IN TURBULENT PIPE FLOW[J].Journal of Fluid Mechanics,1997(0):129-159. |
| [7] | Kallio G A;Reeks M W .A Numerical Simulation of Par-ticle Deposition in Turbulent Boundary Layers[J].International Journal of Multiphase Flow,1989,15:433-446. |
| [8] | Zhang HF.;Ahmadi G. .Aerosol particle transport and deposition in vertical and horizontal turbulent duct flows[J].Journal of Fluid Mechanics,2000(0):55-80. |
| [9] | Matida EA.;Torii K.;Nishino K. .Statistical simulation of particle deposition on the wall from turbulent dispersed pipe flow[J].International journal of heat and fluid flow,2000(4):389-402. |
| [10] | Kuerten JGM;Vreman AW .Can turbophoresis be predicted by large-eddy simulation?[J].Physics of fluids,2005(1):1701-1-1701-4-0. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%