Version 1
: Received: 6 December 2023 / Approved: 7 December 2023 / Online: 12 December 2023 (02:21:11 CET)
How to cite:
Coppede, D.; Bortoli, F.D.S.; Moreira, J.M.L.; Magalhaes, N.S.; Frajuca, C. Optimization of Flywheel Rotor Energy Density and Stability. Preprints2023, 2023120530. https://doi.org/10.20944/preprints202312.0530.v1
Coppede, D.; Bortoli, F.D.S.; Moreira, J.M.L.; Magalhaes, N.S.; Frajuca, C. Optimization of Flywheel Rotor Energy Density and Stability. Preprints 2023, 2023120530. https://doi.org/10.20944/preprints202312.0530.v1
Coppede, D.; Bortoli, F.D.S.; Moreira, J.M.L.; Magalhaes, N.S.; Frajuca, C. Optimization of Flywheel Rotor Energy Density and Stability. Preprints2023, 2023120530. https://doi.org/10.20944/preprints202312.0530.v1
APA Style
Coppede, D., Bortoli, F.D.S., Moreira, J.M.L., Magalhaes, N.S., & Frajuca, C. (2023). Optimization of Flywheel Rotor Energy Density and Stability. Preprints. https://doi.org/10.20944/preprints202312.0530.v1
Chicago/Turabian Style
Coppede, D., Nadja Simao Magalhaes and Carlos Frajuca. 2023 "Optimization of Flywheel Rotor Energy Density and Stability" Preprints. https://doi.org/10.20944/preprints202312.0530.v1
Abstract
A study on flywheel geometries is presented here with the use of finite element modelling (FEM) simulations. The study analyses the stress behaviour of flywheel rotors subject to the rotational speed that creates the maximum stress that the flywheel can support, and then calculates the rotational energy mass ratio (energy density) for each geometry. The obtained geometry was Gaussian section for the Flywheel rotor. The used material for the simulations is carbon fibre Hexcel UHM 12000. The best results were a rotational speed of ≈279.000 rpm and rotational energy density of ≈ 440 Wh/kg for a single disk, but this keeps the total energy low. To increase the total energy, Flywheels with 2 and 3 rotors were analysed. Then the stability under rotation of these Flywheels were analysed, some instability was found and a solution was presented.
Keywords
flywheel; flywheel rotor; flywheel stability; flywheel energy density
Subject
Engineering, Energy and Fuel Technology
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
,
