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Journal Articles

Identification of Dynamic Coefficients of a Five-Pad Tilting Pad Journal Bearing Up to Highest Surface Speeds

Philipp Zemella, Thomas Hagemann, Bastian Pfau, Hubert Schwarze

J. Eng. Gas Turbines Power. August 2021, 143(8): 081013.

Paper No: GTP-20-1572

DOI: https://doi.org/10.1115/1.4049664

Published Online: March 31, 2021

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Topics: Bearings, Damping, Flow (Dynamics), Stiffness, Stress, Journal bearings, Excitation, Fluid films

Journal Articles

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Christopher Zeh, Ole Willers, Thomas Hagemann, Hubert Schwarze, Jörg Seume

J. Eng. Gas Turbines Power. March 2021, 143(3): 031022.

Paper No: GTP-20-1701

DOI: https://doi.org/10.1115/1.4049825

Published Online: February 24, 2021

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Topics: Bearings, Heat, Rotors, Temperature, Turbines, Turbochargers, Heat transfer, Flow (Dynamics), Compressors, Thermohydrodynamics

Proceedings Papers

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Christopher Zeh, Ole Willers, Thomas Hagemann, Hubert Schwarze, Joerg R. Seume

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A051, September 21–25, 2020

Paper No: GT2020-16077

DOI: https://doi.org/10.1115/GT2020-16077

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Topics: Computational fluid dynamics, Heat transfer, Rotors, Temperature, Temperature distribution, Turbochargers, Bearings, Flow (Dynamics), Fluid films, Heat

Proceedings Papers

Identification of Dynamic Coefficients of a Five-Pad Tilting Pad Journal Bearing up to Highest Surface Speeds

Philipp Zemella, Thomas Hagemann, Bastian Pfau, Hubert Schwarze

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A019, September 21–25, 2020

Paper No: GT2020-14991

DOI: https://doi.org/10.1115/GT2020-14991

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Topics: Journal bearings, Bearings, Stress, Damping, Excitation, Flow (Dynamics), Stiffness, Rotors, Algorithms, Deflection

Journal Articles

Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove

Thomas Hagemann, Hubert Schwarze

J. Eng. Gas Turbines Power. May 2019, 141(5): 051010.

Paper No: GTP-18-1354

DOI: https://doi.org/10.1115/1.4041026

Published Online: December 12, 2018

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Topics: Bearings, Boundary-value problems, Design, Flow (Dynamics), Journal bearings, Lubricants, Lubrication, Pressure, Temperature, Stress

Journal Articles

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Ümit Mermertas, Thomas Hagemann, Clément Brichart

J. Eng. Gas Turbines Power. February 2019, 141(2): 021033.

Paper No: GTP-18-1430

DOI: https://doi.org/10.1115/1.4041116

Published Online: October 29, 2018

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Topics: Bearings, Modeling, Temperature, Design, Optimization, Deformation

Journal Articles

A Model for Oil Flow and Fluid Temperature Inlet Mixing in Hydrodynamic Journal Bearings

Thomas Hagemann, Hubert Schwarze

J. Tribol. February 2019, 141(2): 021701.

Paper No: TRIB-18-1190

DOI: https://doi.org/10.1115/1.4041211

Published Online: October 11, 2018

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Topics: Flow (Dynamics), Temperature, Bearings, Lubricants, Fluids, Pressure

Proceedings Papers

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Ümit Mermertas, Thomas Hagemann, Clément Brichart

Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A035, June 11–15, 2018

Paper No: GT2018-76766

DOI: https://doi.org/10.1115/GT2018-76766

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Topics: Journal bearings, Modeling, Optimization, Steam turbines, Bearings, Rotors, Temperature, Clearances (Engineering), Computation, Computer software

Proceedings Papers

Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove

Thomas Hagemann, Hubert Schwarze

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A021, June 11–15, 2018

Paper No: GT2018-75659

DOI: https://doi.org/10.1115/GT2018-75659

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Topics: Experimental analysis, Journal bearings, Bearings, Design, Flow (Dynamics), Stress, Lubrication, Bearing design, Boundary-value problems, Clearances (Engineering)

Proceedings Papers

Potentials and Limitations of an Extended Approximation Method for Nonlinear Dynamic Journal and Thrust Bearing Forces

Daniel Vetter, Thomas Hagemann, Hubert Schwarze

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A022, June 11–15, 2018

Paper No: GT2018-75662

DOI: https://doi.org/10.1115/GT2018-75662

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Topics: Approximation, Thrust bearings, Bearings, Simulation, Algorithms, Cavitation, Journal bearings, Differential equations, Errors, Modeling

Proceedings Papers

A Study on Energetic and Hydraulic Interaction of Combined Journal and Thrust Bearings

Thomas Hagemann, Hardwig Blumenthal, Christian Kraft, Hubert Schwarze

Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT31A019, June 15–19, 2015

Paper No: GT2015-43460

DOI: https://doi.org/10.1115/GT2015-43460

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Topics: Thrust bearings, Bearings, Thrust, Journal bearings, Stress, Boundary-value problems, Design, Flow (Dynamics), Lubrication, Pressure

Proceedings Papers

Measurement and Prediction of the Static Operating Conditions of a Large Turbine Tilting-Pad Bearing Under High Circumferential Speeds and Heavy Loads

Thomas Hagemann, Sebastian Kukla, Hubert Schwarze

Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT30A019, June 3–7, 2013

Paper No: GT2013-95004

DOI: https://doi.org/10.1115/GT2013-95004

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Topics: Bearings, Stress, Turbines, Temperature, Pressure, Clearances (Engineering), Computer software, Deformation, Film thickness, Flow (Dynamics)

Proceedings Papers

Measurement and Prediction of the Dynamic Characteristics of a Large Turbine Tilting-Pad Bearing Under High Circumferential Speeds

Sebastian Kukla, Thomas Hagemann, Hubert Schwarze

Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT30A020, June 3–7, 2013

Paper No: GT2013-95074

DOI: https://doi.org/10.1115/GT2013-95074

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Topics: Bearings, Turbines, Stress, Theoretical analysis, Clearances (Engineering), Elasticity, Fluid films, Fourier analysis, Generators, Pressure

Journal citation

NARROW

Identification of Dynamic Coefficients of a Five-Pad Tilting Pad Journal Bearing Up to Highest Surface Speeds

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Identification of Dynamic Coefficients of a Five-Pad Tilting Pad Journal Bearing up to Highest Surface Speeds

Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

A Model for Oil Flow and Fluid Temperature Inlet Mixing in Hydrodynamic Journal Bearings

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove

Potentials and Limitations of an Extended Approximation Method for Nonlinear Dynamic Journal and Thrust Bearing Forces

A Study on Energetic and Hydraulic Interaction of Combined Journal and Thrust Bearings

Measurement and Prediction of the Static Operating Conditions of a Large Turbine Tilting-Pad Bearing Under High Circumferential Speeds and Heavy Loads

Measurement and Prediction of the Dynamic Characteristics of a Large Turbine Tilting-Pad Bearing Under High Circumferential Speeds

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