The computational results revealed a complex vortex system within the casing model, including a passage vortex, a separation vortex and an endwall vortex.
数值模拟清晰地显示了排气缸通道内的流场结构是以各种旋涡为主要特征,包括通道涡、分离涡和端壁涡等。
The negative bowed blades raise the endwall loading and emphasis the boundary layer separation.
叶片反弯增加了端区叶片的负荷,加重了附面层的分离。
The rotor tip leakage vortex has a stronger influence on the downstream endwall flow than the rotor wake.
同转子尾迹相比,转子叶尖泄漏涡对静子尖区的影响更为明显和深远。
Finally, carried on every position damage statics and carried out fatigue life prediction of endwall in accordance with AAR standard and BS EN1993-1-3 standard separately.
最后进行端墻各部位的损伤统计,分别按照AAR标準和BSEN1993-1-9标準估算端墻各部位的疲劳寿命。
Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).
实验中对不同雷诺数、不同出流比时通道端壁表面的静压分布、压力损失系数、弦向流量分配以及换热系数进行了测量。
The result indicated that the interaction between the boundary layer on the suction surface of blade and on the endwall thicken the boundary layer on the suction surface.
实验结果表明,角区中端壁附面层和叶面附面层的堆积使得叶面附面层变厚;
The control stage of improved 300MW steam turbine used bowed static blade cascades with convergent tip endwall and integral shroud triple pin rotating blades.
优化了300MW汽轮机的调节级,采用了子午面端壁收缩的弯曲叶栅,动叶为自带围带三销钉三联叶片,再用铆接围带形成整圈联结叶片。
The radius radio of model is between 0.83, aspect ratio is 6, and the end wall is stationary endwall, rotating endwall and stress free endwall respectively.
半径比为0.83,形状比为6,侧墻为静止侧墻、旋转侧墻及无剪切力侧墻3种边界条件。
A second endwall extends generally perpendicularly from the playing surface and is located on an opposite side of the playing surface from the first endwall.
第二端壁,所述第二端壁通常从所述游戏表面垂直地伸展并且定位于所述游戏表面的与所述第一端壁相反的一端;
The result shows that the swept-curved cascade has lower endwall loss and higher midspan loss as compared with the straight cascade.
结果表明弯掠叶栅端部损失降低而叶展中部损失增加,但相应的端部扩压因子有所减小。