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Jan-Olov Aidanpää
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Journal Articles

Numerical and Experimental Study on the Dynamic Bearing Properties of a Four-Pad and Eight-Pad Tilting Pad Journal Bearings in a Vertical Rotor

Gudeta Berhanu Benti, David Rondon, Rolf Gustavsson, Jan-Olov Aidanpää
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. January 2022, 144(1): 011304.
Paper No: JERT-21-1486
https://doi.org/10.1115/1.4052032
Published Online: August 24, 2021
View Article titled, Numerical and Experimental Study on the Dynamic Bearing Properties of a Four-Pad and Eight-Pad Tilting Pad Journal Bearings in a Vertical Rotor
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Topics: Bearings, Rotors
Journal Articles

Rotordynamic Characterization of Tilting-Pad Bearings With Eight Pads in Vertical Rotors

David Rondon, Gudeta Berhanu Benti, Jan-Olov Aidanpää, Rolf Gustavsson
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. January 2022, 144(1): 012111.
Paper No: JERT-21-1485
https://doi.org/10.1115/1.4051803
Published Online: August 4, 2021
View Article titled, Rotordynamic Characterization of Tilting-Pad Bearings With Eight Pads in Vertical Rotors
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Topics: Bearings, Damping, Rotors, Stiffness, Stress
Journal Articles

Experimental Investigation of a 10 MW Prototype Axial Turbine Runner: Vortex Rope Formation and Mitigation

Arash Soltani Dehkharqani, Fredrik Engström, Jan-Olov Aidanpää, Michel J. Cervantes
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2020, 142(10): 101212.
Paper No: FE-19-1531
https://doi.org/10.1115/1.4047793
Published Online: August 5, 2020
View Article titled, Experimental Investigation of a 10 MW Prototype Axial Turbine Runner: Vortex Rope Formation and Mitigation
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Topics: Blades, Engineering prototypes, Fluctuations (Physics), Guide vanes, Pressure, Pressure transducers, Ropes, Stress, Transients (Dynamics), Turbines
Journal Articles

A Review of Available Methods for the Assessment of Fluid Added Mass, Damping, and Stiffness With an Emphasis on Hydraulic Turbines

Arash Soltani Dehkharqani, Jan-Olov Aidanpää, Fredrik Engström, Michel J. Cervantes
Journal: Applied Mechanics Reviews
Publisher: ASME
Article Type: Review Articles
Appl. Mech. Rev. September 2018, 70(5): 050801.
Paper No: AMR-18-1052
https://doi.org/10.1115/1.4042279
Published Online: January 8, 2019
View Article titled, A Review of Available Methods for the Assessment of Fluid Added Mass, Damping, and Stiffness With an Emphasis on Hydraulic Turbines
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Topics: Damping, Flow (Dynamics), Fluids, Hydraulic turbines, Hydrofoil, Stiffness, Water, Blades, Simulation, Vibration
Journal Articles

A Methodology for Protective Vibration Monitoring of Hydropower Units Based on the Mechanical Properties

Mattias Nässelqvist, Rolf Gustavsson, Jan-Olov Aidanpää
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. July 2013, 135(4): 041007.
Paper No: DS-11-1083
https://doi.org/10.1115/1.4023668
Published Online: May 13, 2013
View Article titled, A Methodology for Protective Vibration Monitoring of Hydropower Units Based on the Mechanical Properties
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Topics: Bearings, Hydropower, Stress, Vibration, Displacement
Journal Articles

Experimental Verification of a Combi-Bearing Model for Vertical Rotor Systems

Jean-Claude Luneno, Jan-Olov Aidanpää, Rolf Gustavsson
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. June 2013, 135(3): 034501.
Paper No: VIB-12-1086
https://doi.org/10.1115/1.4023052
Published Online: March 28, 2013
View Article titled, Experimental Verification of a Combi-Bearing Model for Vertical Rotor Systems
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Topics: Bearings, Rotors
Journal Articles

Misalignment in Combi-Bearing: A Cause of Parametric Instability in Vertical Rotor Systems

Jean-Claude Luneno, Jan-Olov Aidanpää, Rolf Gustavsson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2013, 135(3): 032501.
Paper No: GTP-12-1107
https://doi.org/10.1115/1.4007882
Published Online: February 21, 2013
View Article titled, Misalignment in Combi-Bearing: A Cause of Parametric Instability in Vertical Rotor Systems
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Topics: Bearings, Rotors
Journal Articles

Model Based Analysis of Coupled Vibrations Due to the Combi-Bearing in Vertical Hydroturbogenerator Rotors

Jean-Claude Luneno, Jan-Olov Aidanpää, Rolf Gustavsson
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2011, 133(6): 061012.
https://doi.org/10.1115/1.4005002
Published Online: November 28, 2011
View Article titled, Model Based Analysis of Coupled Vibrations Due to the Combi-Bearing in Vertical Hydroturbogenerator Rotors
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Topics: Bearings, Rotors, Thrust bearings, Vibration
Journal Articles

Rotor Dynamic Analysis of an Eccentric Hydropower Generator With Damper Winding for Reactive Load

Martin Karlsson, Jan-Olov Aidanpää, Richard Perers, Mats Leijon
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1178–1186.
https://doi.org/10.1115/1.2723822
Published Online: February 8, 2007
View Article titled, Rotor Dynamic Analysis of an Eccentric Hydropower Generator With Damper Winding for Reactive Load
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Topics: Dampers, Generators, Hydropower, Rotors, Stress, Winding (process), Stability, Electromagnetic fields, Bearings
Journal Articles

Constrained Optimization of Gas Turbine Tilting Pad Bearing Designs

Anders Angantyr, Jan-Olov Aidanpää
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 873–878.
https://doi.org/10.1115/1.2179463
Published Online: October 25, 2005
View Article titled, Constrained Optimization of Gas Turbine Tilting Pad Bearing Designs
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Topics: Bearings, Design, Gas turbines, Optimization, Rotors, Stability