Shaft-less flywheels-2022
Analysis and optimization of a novel energy storage flywheel for improved energy capacity. Kinetic/Flywheel energy storage systems (FESS) have re-emerged as a vital technology in
We first build the shape optimization model of flywheel by parametric geometry modeling method with the objective to maximize the energy density of a flywheel rotor. Then the downhill simplex method is adopted to solve the nonlinear optimization problem in multidimensional space.
Part of the book series: Mechanisms and Machine Science ( (Mechan. Machine Science,volume 140)) To solve the excessive vibration of an energy storage flywheel rotor under complex operating conditions, an optimization design method used to the energy storage flywheel rotor with elastic support/dry friction damper (ESDFD) is proposed.
In the meantime, we consider the allowable stress effect on the optimal shape of the flywheel rotor. It is found that the optimized shape of the flywheel rotor is changed with the allowable stress. In general, the flywheel should first satisfy the requirement of energy storage capacity. The rotor of flywheel provides most of the kinetic energy.
The following conclusions are drawn from the work: The energy storage flywheel rotor with ESDFDs designed by the optimization design method of this paper is less sensitive to the unbalance and the damping performance of ESDFDs is improved by 25% –40%.
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