A stator blade cascade of an axial flow compressor
A compressor and axial flow technology, applied in passive flow control, the flow control scheme of the slotted root of the compressor stator blade, and the flow control field of the compressor stator blade, can solve the problem of poor processing and inaccurate jet velocity direction It is difficult to optimize the design of control and control schemes, etc., to achieve the effect of facilitating processing, avoiding rapid performance degradation, and easy slotting scheme
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[0024] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0025] Such as figure 1 As shown in the figure, a compressor stator with S-shaped slots in the root of the blade that suppresses angular separation is provided. At the end wall 2 of the root of the cascade 1, an S-shaped slot of equal width is provided from the pressure surface 3 of the cascade 1 to the suction surface 4. Road 5.
[0026] Such as figure 2 As shown, according to the PVD prototype stator cascade flow field, the position of the outlet of the channel 5 on the suction surface 4 is selected before the separation point; along the axial direction of the cascade, the position of the inlet of the channel 5 on the pressure surface 3 is located on the suction surface 4 Upstream of the outlet position; according to the pressure distribution on the surface of the PVD prototype stator cascade, the position of the inlet of the channel 5 on the press...
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