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TRANSIENT RESPONSE OF ROTOR MODEL


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

2.2 examples of calculations and outputs damper supports


Spring supports replaced by two squeeze-film dampers

Unbalance transient response plot

Fig. 13 Unbalance transient response plot (unbalance section)

Fig. 14 Unbalance transient response of rotor (damper section)

Solution output

Fig. 15 Solution output, n = 1300 rpm (damper section )

Rotor orbits Rotor orbits
Rotor orbits Rotor orbits

Fig. 16 Rotor orbits for different rotation speeds n= 1000, 1300, 2000, 4000 rpm

Cascade spectra plot

Fig. 17 Cascade spectra plot for rotor with two squeeze film-dampers

Cascade spectra plot

Fig. 18 Cascade spectra plot for rotor with two squeeze film-damper

FFT spectrum plot

Fig.19. FFT spectrum plot