CRITICAL SPEED OF MULTI-ROTOR SYSTEM

SI/Metric Units

INPUT   DATA

Title  

Length of shaft, L mm

    

Mass of shaft, ms kg
Modulus of elasticity, E   109N/m2 
Area moment of inertia, I   cm4
Mass of rotor #1, m1 kg
Position of rotor #1, a1 mm
Mass of rotor #2, m2 kg
Position of rotor #2, a2 mm
Mass of rotor #3, m3 kg
Position of rotor #3, a3 mm
Mass of rotor #4, m4 kg
Position of rotor #4, a4 mm
Mass of rotor #5, m5 kg
Position of rotor #5, a5 mm

       Reset

RESULTS

Variables   Values   Units
 ♦  Critical speed of shaft, ωs   1781.6 rpm  
 ♦  Critical speed of rotor #1, ω1 4699.7 rpm
 ♦  Critical speed of rotor #2, ω2 4699.7 rpm
 ♦  Critical speed of rotor #3, ω3 0.0 rpm
 ♦  Critical speed of rotor #4, ω4 0.0 rpm
 ♦  Critical speed of rotor #5, ω5 0.0 rpm
 ♦♦  Critical speed of whole system, ωc 1570.2 rpm