The Super Flywheel: A Second Look

[+] Author and Article Information
E. J. Brunelle

Rensselaer Polytechnic Institute, Troy, N. Y.

J. Eng. Mater. Technol 95(1), 63-65 (Jan 01, 1973) (3 pages) doi:10.1115/1.3443107 History: Received March 30, 1972; Online August 17, 2010


The potentialities of the super flywheel are re-examined by two analysis techniques. The first technique utilizes a highly idealized model that permits one to easily see the basic physics of the problem; the second technique employs a more realistic model that provides detailed information about the super flywheel behavior. Both techniques demonstrate that the kinetic energy and the stresses are higher, at a given rotational speed, than classical analyses predict and that an inertio-elastic instability provides a theoretical upper limit to the rotational speed attainable by the super flywheel.

Copyright © 1973 by ASME
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