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Roman Kochurov
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Journal Articles

Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements

Roman Kochurov, Volodymyr Martynenko, Leonid Moroz, Yuriy Govorushchenko
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041022.
Paper No: GTP-24-1520
https://doi.org/10.1115/1.4066613
Published Online: November 5, 2024
View Articletitled, Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements
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Topics: Ball bearings, Bearings, Rotors, Stiffness, Stress
Proceedings Papers

Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements

Roman Kochurov, Volodymyr Martynenko, Leonid Moroz, Yuriy Govorushchenko
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127790
https://doi.org/10.1115/GT2024-127790
View Paper titled, Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements
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Topics: Ball bearings, Stiffness
Proceedings Papers

Nonlinear Response of the Rotor Supported by Gas Journal Bearings Considering Stationary and Rotating Herringbone Grooves

Roman Kochurov, Leonid Moroz, Volodymyr Martynenko
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102296
https://doi.org/10.1115/GT2023-102296
View Paper titled, Nonlinear Response of the Rotor Supported by Gas Journal Bearings Considering Stationary and Rotating Herringbone Grooves
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Topics: Bearings, Journal bearings, Rotors, Stability, Design, Finite element analysis, Transient analysis, Engineers, Machinery, Rotordynamics
Proceedings Papers

Load Influence on Hydrostatic Oil Film Journal Bearing Stiffness Characteristics

Leonid Moroz, Leonid Romanenko, Roman Kochurov, Evgen Kashtanov
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15008
https://doi.org/10.1115/GT2020-15008
View Paper titled, Load Influence on Hydrostatic Oil Film Journal Bearing Stiffness Characteristics
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Topics: Bearings, Damping, Hydrostatics, Journal bearings, Stiffness, Stress
Proceedings Papers

High Power Steam Turbine Lifetime Increase by Means of Front End Seal Arrangement and Start-Up Heating Conditions Improvement

Leonid Moroz, Roman Kochurov, Julija Bakhmutska, Vladimir Goloshchapov
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90437
https://doi.org/10.1115/GT2019-90437
View Paper titled, High Power Steam Turbine Lifetime Increase by Means of Front End Seal Arrangement and Start-Up Heating Conditions Improvement
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Topics: Heating, Steam turbines, Rotors, Steam, Stress, Design, Film condensation, Flow (Dynamics), Turbines, Cylinders
Proceedings Papers

Hydrodynamic Journal Bearings Optimization Considering Rotor Dynamics Restrictions

Leonid Moroz, Leonid Romanenko, Roman Kochurov, Evgen Kashtanov
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A024, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75790
https://doi.org/10.1115/GT2018-75790
View Paper titled, Hydrodynamic Journal Bearings Optimization Considering Rotor Dynamics Restrictions
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Topics: Journal bearings, Optimization, Rotordynamics, Bearings, Design, Rotors, Film thickness, Simulation, Clearances (Engineering), Electromagnetic induction
Journal Articles

Integrated Approach for Steam Turbine Thermostructural Analysis and Lifetime Prediction at Transient Operations

Leonid Moroz, Glenn Doerksen, Fernando Romero, Roman Kochurov, Boris Frolov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022604.
Paper No: GTP-17-1370
https://doi.org/10.1115/1.4037755
Published Online: October 3, 2017
View Articletitled, Integrated Approach for Steam Turbine Thermostructural Analysis and Lifetime Prediction at Transient Operations
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Topics: Condensation, Flow (Dynamics), Rotors, Simulation, Steam, Steam turbines, Temperature, Transients (Dynamics), Turbines, Stress
Proceedings Papers

Prediction of Structural Supports Influence on Rotating Machinery Dynamics

Leonid Moroz, Leonid Romanenko, Roman Kochurov, Evgen Kashtanov
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT33A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63035
https://doi.org/10.1115/GT2017-63035
View Paper titled, Prediction of Structural Supports Influence on Rotating Machinery Dynamics
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Topics: Algorithms, Ball bearings, Bearings, Damage, Damping, Design, Dynamics (Mechanics), Finite element model, Geometry, Machine dynamics
Proceedings Papers

Integrated Approach for Steam Turbine Thermo-Structural Analysis and Lifetime Prediction at Transient Operations

Leonid Moroz, Glenn Doerksen, Fernando Romero, Roman Kochurov, Boris Frolov
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A012, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63547
https://doi.org/10.1115/GT2017-63547
View Paper titled, Integrated Approach for Steam Turbine Thermo-Structural Analysis and Lifetime Prediction at Transient Operations
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Topics: Steam turbines, Transients (Dynamics), Rotors, Turbines, Flow (Dynamics), Power stations, Simulation, Steam, Stress, Temperature
Proceedings Papers

Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction

Leonid Moroz, Boris Frolov, Roman Kochurov
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A038, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57652
https://doi.org/10.1115/GT2016-57652
View Paper titled, Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction
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Topics: Rotors, Steam turbines, Transients (Dynamics), Turbines, Computer software, Condensation, Cycles, Heat, Steam, Boundary-value problems