ROTOR DYNAMICS OF TURBOMACHINERY

Engineering & Consulting Centre for Dynamic Problems in Rotating Machinery

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TRANSIENT RESPONSE OF ROTOR MODEL

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1. BACKGROUNDS
2. EXAMPLES OF CALCULATIONS AND OUTPUTS – LINEAR SPRING SUPPORTS
2.2 EXAMPLES OF CALCULATIONS AND OUTPUTS – DAMPER SUPPORTS

2. examples of calculations and outputs – linear spring supports

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Fig. 5. Rotor model with disks and two supports

Fig. 6. Unbalance steady-state response plot (unbalance section)

Fig. 7 Unbalance transient response plot
(ordinary Runge-Kutta method/time step 0.001 s/unbalance section)

Fig. 8 Unbalance transient response plot
(ordinary Runge-Kutta method/time step 0.0001 s/unbalance section)

Fig 9 Rotor speed diagram

Fig 10 Acceleration and deceleration transient response plot
(/unbalance section)

Fig 11 Acceleration and deceleration transient response plot
(peak to peak /unbalance section)

Fig 12 Overlapped acceleration and deceleration rotor transient response plot
(peak to peak/unbalance section)