本文用基于HCN释放的简化Solomon模型的NO生成湍流反应的统一二阶矩代数模型(AUSM)和煤粉燃烧的双流体模型,对不同旋流数下煤粉燃烧器内两相流动,煤粉燃烧和NO生成进行了数值模拟.模拟结果和文献中实验结果符合很好.模拟结果指出,随着旋流数的增加,NO的排放先减少后增加,燃尽率先增加后减小,和气体燃烧中得到的规律类似.
参考文献
| [1] | Asay B W;Smoot L D;Hedman P O .Mixing Control of NO Formation and Burnout for Pulverized Coals[J].Combustion Science and Technology,1983,35:15-34. |
| [2] | Beer J M.Low NO Burners for Boilers Furnaces and Gas Turbines: Drive Towards the Low Bounds of NO Emissions[A].,1995:6. |
| [3] | 周力行,陈兴隆,张健.旋流数对湍流燃烧中NO生成影响的研究[J].工程热物理学报,2002(05):637-640. |
| [4] | Abbas T;Costen P;Hassan M A .The Effect of the Near Burner Aerodynamics on Pollution Stability and Combustion in a PF-Fired Furnace[J].Combustion Science and Technology,1993,93:73-90. |
| [5] | L.X. ZHOU;Y.C. GUO;W.Y. LIN .Two-Fluid Models for Simulating Reacting Gas-Particle Flows, Coal Combustion and NO_X formation[J].Combustion science and technology,2000(1/6):161-180. |
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%