Paano Kalkulahin si Flywheel Energy
Ano ang Flywheel Energy?
Flywheel energy storage uses rotational inertia to store and release kinetic energy. It's used for power smoothing and peak shaving.
Pormula
Power = dE/dt (rate of energy change)
Step-by-Step na Gabay
- 1Calculate: E = 0.5 × I × ω² where I is moment of inertia, ω is angular velocity
- 2Energy stored = change in kinetic energy
- 3Power = dE/dt (rate of energy change)
Mga Nalutas na Halimbawa
Input
Flywheel I=100 kg·m², ω=500 rad/s
Resulta
E = 0.5 × 100 × 500² ≈ 12.5 MJ energy stored
Significant storage capacity
Mga Karaniwang Mali na Dapat Iwasan
- ✕Neglecting bearings friction losses
- ✕Over-sizing flywheel (excessive cost and weight)
Mga madalas itanong
Why use flywheels over batteries?
Flywheels handle high power (charge/discharge rate); good for short-duration storage.
What limits flywheel speed?
Material strength; excessive speed causes material failure. Typically limited to 20-60% ultimate stress.
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