Lateral and Torsional Rotordynamic Analyses

The analyses are normally carried out according to standards, e.g. the standards of API (American Petroleum Institute). Typically components such as bearings and couplings are tuned in order to fulfil specifications.

Torsional natural vibration mode of a system consisting of motor, gear and compressor

Resonance curve of a steam turbine rotor

Shape in the resonance

 

 

 

 

      

Torsional natural vibration mode of a system consisting of  motor, gear and compressor 

 

 

 

 

 

Resonance curve of a steam turbine rotor

 

 

 

 

 

 

       

 

 

Shape in the resonance