From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Sketch of an active magnetic damper in conjunction with a mechanical spring. They both act on the nonrotating part of the bearing.

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Sketch of a two electromagnet semi-active magnetic damper (the elastic support is omitted)

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Campbell diagram of the RTR (supported rotor) in solid line (left scale) and corresponding strain energies in dashed lines (right scale)

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Sketch of the electromagnetic damper dimensions (refer to Table for detailed dimensions)

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Scheme of the complete control loop used in the AMD configuration

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Gas turbine engine.

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Campbell diagram (not to scale) of the rotor ONLY connected to ground by means of support and stator equivalent stiffness (no stator dynamics are included). Supports (considered as equivalent stiffness) strain energies are reported.

From: Design of Electromagnetic Dampers for Aero-Engine Applications Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Design of Electromagnetic Dampers for Aero-Engine Applications J. Eng. Gas Turbines Power. 2010;132(11):112501-112501-11. doi:10.1115/1.4000801 Figure Legend: Sketch (not to scale) of the designed AMD inserted in the real engine