Engine Flywheel Fluctuation Sizing Calculator
Reciprocating engines & compressors: Calculate required flywheel mass moment of inertia ($I$), rim dimensions, coefficient of speed fluctuation ($C_f$), and rim centrifugal hoop stress ($\sigma_{hoop}$).
Engine Power & Energy Fluctuation
From turning moment diagram area
Flywheel Sizing & Structural Limits
Required Inertia I:
--
kg · m²
Required Rim Mass:
--
kg
Rim Velocity v:
--
m / s
Hoop Stress σ:
--
MPa (centrifugal)
Burst Safety Factor:
--
SF (vs UTS)
Speed Variation & Kinetic Energy
Speed Variation (N_max - N_min):
-- RPM
Total Kinetic Energy E_k:
-- kJ
Centrifugal Rim Integrity:
--
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