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Compressor Problems

 

 

Vibration Source

 

 

Exciting Frequency

 

Dominant Plane

 

Amplitude

 

Envelope Characteristics

 

Comments

Diffuser Type

 

blade rate

radial, transverse

steady

narrow band

Sometimes blade rate harmonics are present

Piston Type

 

2X

radial, axial

steady

narrow band

1X harmonics common

 





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