The width of the wake is larger and the base pressure of the plate is lower in comparison with the fully turbulent wake behind a smooth flat plate at the same flowconditions.
与在相同流动条件下光滑平板后的湍流尾流比较，涡街尾流较宽，平板底部压力较小。
2
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulentflow and multiphase flow theories.
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
3
The hollow interchange disk can be used to strengthen flows heat transfer under turbulentconditions such as improve working conditions of ethylene cracking furnace, also can be used for flow mixing.