Determine the natural frequencies and mode shapes of the torsional system of Problem 7.81. Data From Problem

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Determine the natural frequencies and mode shapes of the torsional system of Problem 7.81.

Data From Problem 7.81:
Derive the differential equations governing the torsional oscillations of the turbomotor of Figure P7.81. The motor operates at 800 rpm and the turbine shaft turns at 3200 rpm.

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Mechanical Vibrations Theory And Applications

ISBN: 120532

1st Edition

Authors: S. GRAHAM KELLY

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Question Posted: Apr 28, 2024 05:02 AM

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Determine the natural frequencies and mode shapes of the torsional system of Problem 7.81. Data From Problem

Question:

63 182 Gear B Turbine 4:1 gear ratio Motor Moments of inertia: Motor 1800 kgm Turbine 600 kg + m Gear A 400 kg m Gear B 80 kg - m FIGURE P7.81 Gear A Turbine shaft G=80 109 N/m L = 2.1 m d=180 mm Motor shaft G=80 10 N/m L= 1.4 m d=305 mm

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Mechanical Vibrations Theory And Applications

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