The Bode plot of shaft vibration of a turbine obtained during coast-down is shown in Fig. 10.44.

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The Bode plot of shaft vibration of a turbine obtained during coast-down is shown in Fig. 10.44. Determine the damping ratio of the system when the static deflection of the shaft is equal to $1.27 \mu \mathrm{m}$.

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Mechanical Vibrations

ISBN: 9780134361925

6th Edition

Authors: Singiresu S Rao

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Question Posted: May 04, 2024 08:01 AM

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The Bode plot of shaft vibration of a turbine obtained during coast-down is shown in Fig. 10.44.

Question:

Peak-to-peak displacement (um) 25.4 20.32 15.24 10.16 5.08 0 1 2 3 4 5 6 7 8 9 10 11 12 Shaft speed (1000 rpm) FIGURE 10.44 Bode plot of vibration of turbine shaft.

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Mechanical Vibrations

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