BISOPE series 98- Campbell Diagram----------------------------------

Among the various graph types used to analyze vibration, spectra and time-domain waveforms are represented along two axes (time and amplitude or frequency and amplitude). Spatial graphs that additionally represent three axes include the Nyquist, Orbit, Waterfall, and Campbell diagrams.

However, since the orbit diagram represents the trajectory using two sensors, and the Nyquist diagram represents the resonant region in the real and imaginary domains, there is no third axis; rather, it represents the magnitude in space. Therefore, the Campbell diagram, which truly represents three axes, is a representative spatial order-related amplitude representation of RPM, Hz, order, and the relationship between natural frequency and amplitude.

 

Order Analysis Using Campbell Diagrams

The Campbell Diagram is a graph widely used for the rotor dynamics analysis of large rotating machines that slowly and gradually increase in speed. One of the X and Y axes represents ..........................................................

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