摘要
In order to understand the characteristics of the flow field in the tangential-firing boilerfurnace, the cold and hot flow field in the HG-670/149-9 (200 MW) boiler furnace are numerically studied. The calculated results indicate that the hot flow field is quiet different from the cold one. In the cold Condition, the gas flows in the furnace swirl strongly andthe turbulence is weaker. While, in the hot condition, the swirling flow in the furnace is reduced, consequently, there is no recirculation region in the center zone, and the turbulenceis stronger.
In order to understand the characteristics of the flow field in the tangential-firing boilerfurnace, the cold and hot flow field in the HG-670/149-9 (200 MW) boiler furnace are numerically studied. The calculated results indicate that the hot flow field is quiet different from the cold one. In the cold Condition, the gas flows in the furnace swirl strongly andthe turbulence is weaker. While, in the hot condition, the swirling flow in the furnace is reduced, consequently, there is no recirculation region in the center zone, and the turbulenceis stronger.
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
1998年第5期657-660,共4页
Journal of Engineering Thermophysics
关键词
流场
四角切向燃烧
数值模拟
锅炉
煤粉锅炉
flow field, tangential-firing boiler furnace, numerical simulation
