Safdarzadeh, O.,  Torkaman, H., Mahdavy Fakhr, Mohammad. Optimum Design of Out-runner PM BLDC Motor with High Torque Density for Flywheel Applications as Energy Storages: Design, FEA and Fabrication. Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran. 2018;16(1):29-36. doi: