three-dimensional separation中文什么意思

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Numerical investigation of three - dimensional separation flow in the rotor cascade of a steam turbine governing stage at large negative incidence
汽轮机调节级动叶栅大负冲角工况下的三维分离流动研究
Results from this investigation show that the loss generation within the coolant holes is substantial and that ejection into regions of low static pressure increases the loss per unit coolant mass flow . the results also reveal strong interactions between endwall coolant ejection and secondary flow in the blade passage . the secondary flow has a strong influence on coolant trajectories and coolant ejection delays the three - dimensional separation of the inlet boundary layer on the endwall , chang the secondary flow and reduces its associated losses
本文的研究成果显示，冷却孔内产生的损失是主要的，并且低静压区域的冷空气喷射会增加单位冷空气质量流的消耗；喷射的冷空气与叶栅端壁流场之间有强烈的相互作用；二次流对冷却空气的流动轨迹有较强的影响；冷空气喷射能延缓端壁入口边界层的三维分离、改变二次流从而减少其相关损耗。

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