Blade vibration mode shapes and frequencies

 

Blade mode shapes and frequencies for centrifugal compressor impellers (rpm 90000)

 

 

Intro

This is a small case study regarding the vibration mode shapes and frequencies of a centrifugal compressor blade.

For further information regarding this case see the following document:  BladeVibration.pdf

 

Mode shapes and frequencies

 

Mode 1, Cal. Frequency=5163.6 Hz

 

 

Mode 2, Cal. Frequency=10338 Hz

Mode 2, Cal. Frequency=16273 Hz