I am currently working on an air compressor unit. I have already done the simulation and testing for modal analysis on the compressor(static condition). Now I want to do a Harmonic response simulation using the imbalance in the rotor because until now I think that is the only parameter that will be causing a harmonic excitation force. but my question is how can I verify the simulation with testing.
Till now I have figured out I can do a vibration test on a running compressor and verify the results. but are there any other tests that I can do to verify the results from simulation?
Yeah, of course, you can do it's Captive Flight testing too, or if you could explain its end-use application, where it is being used...
Regards
You could perform a transient vibration recording during the start (or shut-down) of the compressor until it reaches its nominal speed and visualise (waterfall display) the dominant harmonics (maybe the unbalance is not the predominant one?) and if they evolve smoothly with the square RPM (if they trigger some structural resonance you will see bumps in the waterfall)
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