1979•Journal of Applied MechanicsRequires access

An Introduction to the Variable Inertia Flywheel (VIF)

David S. Ullman, Henry R. Velkoff

Abstract

A flywheel with variable moment of inertia, combining the functions of energy storage and power control is introduced. Potential designs are presented and the basic physical governing equations developed. Examples of the flywheel system powering a constant angular rate, frictional load, and an accelerating automobile are presented. Limitations of and potential for future development which become evident in the examples are discussed.

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Key concepts: Flywheel, Moment of inertia, Inertia, Variable (mathematics), Rotary inertia, Power (physics), Rotational energy, Constant (computer programming)