Its working principal and uses

1. Flywheels
Load-leveling and
Transportation

2. What is a Flywheel?
• Rotating device which can collect or expend
energy.

3. Flywheel Physics
• E = ½ Iω2
• I = kMr 2
• a

4. Engineering Problems
• High Rotational Speed
• Tensile strength of materials
• Energy Loss
• http://www.youtube.com/watch?v=L2pz1Pkh
Ao8

5. Technologies
• Steel to composite
• Magnetic bearings
• Construction methods

6. Ragone plot

7. Uses
• Common Applications
• NASA
• Transportation
• Load-Leveling

8. Flywheels in Daily Life
• Potter’s wheel
• Clocks
• Treadle in sewing machine

9. Flywheels in NASA
• Potentially power space shuttles

10. Flywheels in Transportation
• Electric rails
• HEVs
• Chrysler Patriot

11. Flywheels as Load Levelers
• Beacon Power Corporation
• UPS

12. Summary

13. References
• http://www.nasa.gov/missions/science/f_flywheel.html
• http://www.mpoweruk.com/alternatives.htm
• http://www.upei.ca/~physics/p261/projects/flywheel2/Whatis.html
• http://en.wikipedia.org/wiki/Flywheel#Flywheel_in_the_internal_c
ombustion_engine
• http://www.pentadyne.com/
• http://www.narucmeetings.org/Presentations/Beacon%20Power%2
0NARUC%20presentation%2020090216%20%5BFinal%5D.pdf
• http://www.discoversolarenergy.com/storage/flywheels.htm
• http://www.vyconenergy.com/
• http://www.flywheelenergystorage.com/