The cold flow field in the tangential-firing boiler furnace is numerically studied by using ALE algorithm together with a grid-system which is consistent with the flow direction in the furnace.

• 采用ALE算法，选用与流动方向较一致的网格体系，对四角切向燃烧煤粉锅炉炉膛内冷态流场进行了模拟。