Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Flywheel for energy storage

  1. May 26, 2015 #1

    I have to design a high inertia flywheel for energy storage. The flywheel must be something like in the drawing I attached. The question is: how can I calculate the Inertia and the stored kinetic energy in this type of flywheel?
    Can I consider it like a classic "Rim , hub and spokes" flywheel, thus considering it like if there was a continuous rim, and use the classic formulas found in literature, such as I_rim=m*R_m^2 (where R_m is the mean radius) for the inertia of the rim and E=1/2*I_r*w^2 for the kinetic energy stored?

    Thanks a lot for your help!


    Attached Files:

  2. jcsd
  3. May 26, 2015 #2
  4. Jun 2, 2015 #3


    User Avatar

    Just curious?
    Why not use the Inertia calculations of said CAD program? It's much more precise than a mathematical assumption based formulation, as those intersections and fillets will have high error coefficients.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook