Analysis of Vibration Characteristics of Centrifugal Pump Mechanical Seal under Wear and Damage Degree

Figure 5

Vibration power spectrum. (a) Base direction power spectrum of vibration signal. (b) Radial direction power spectrum of vibration signal. (c) Vertical direction power spectrum of vibration signal. (d) Axial direction power spectrum of vibration signal.

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(b)

(c)

(d)