A Centrifugal Impeller Forced Vibration Suppression System and Control Method
A technology of forced vibration and centrifugal impeller, which is applied in the field of compressors, can solve the problems of weakening the vibration of the wheel disk, being difficult to apply, and unable to suppress the vibration of the impeller blades, etc., to achieve the effect of increasing aerodynamic damping and inhibiting fatigue damage
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[0031] Below in conjunction with embodiment technical solution of the present invention is made more specific description:
[0032] Such as figure 2 , 3 As shown, the centrifugal impeller forced vibration suppression system of the present invention includes a centrifugal compressor 2, the front of the impeller 21 of the centrifugal compressor 2 is a casing cover plate 22, and the casing cover plate 22 forms an air suction channel, and the suction An annular air collection chamber 222 is provided on the outer peripheral surface of the air passage, and a jet air inlet 221 communicating with the air intake passage 1 is provided on the annular air collection chamber 222. The gas collection chamber 222 communicates with the spray hole 223 that sprays the spray air to the front of the impeller 21 to suppress the vibration of the impeller. The axial direction of the spray hole 223 is arranged toward the impeller 21 . The impeller 21 is a semi-open impeller. In the present inventi...
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