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Proceedings Papers

The Role of the Working Fluid and Non-Ideal Thermodynamic Effects on Performance of Gas Lubricated Bearings

Wessel de Waart, Matteo Pini
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, V10AT22A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127645
https://doi.org/10.1115/GT2024-127645
View Paper titled, The Role of the Working Fluid and Non-Ideal Thermodynamic Effects on Performance of Gas Lubricated Bearings
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Topics: Bearings, Fluids, Gas bearings, Turbomachinery, Bulk modulus, Machinery, Rotors, Turbines, Vapors, Contamination
Proceedings Papers

Development of Compact and Hermetic ORC Turbine Generator With Upgraded Cooling Capability

Toshimitsu Tanaka, Ryo Takata, Takuma Hirado, Akira Kawanami
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127400
https://doi.org/10.1115/GT2024-127400
View Paper titled, Development of Compact and Hermetic ORC Turbine Generator With Upgraded Cooling Capability
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Topics: Cooling, Organic Rankine cycle, Turbines, Turbogenerators
Proceedings Papers

Coupled Lateral-Torsional Analysis With Structural Interaction on Geared Shaft

Mirko Libraschi, Francesco Capanni, Luca Innaco, Stefano Rossin
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, V11BT26A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100923
https://doi.org/10.1115/GT2023-100923
View Paper titled, Coupled Lateral-Torsional Analysis With Structural Interaction on Geared Shaft
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Topics: Bearings, Diaphragms (Mechanical devices), Diaphragms (Structural), Dynamic modeling, Dynamic systems, Gas turbines, Generators, Machinery, Mechanical drives, Modal analysis
Proceedings Papers

Cloud Based Predictive Monitoring System for Steam Industrial Turbogenerator

Antonio Sanguineti, Roberto Venuti, Antonio Violante, Adriano Busi, Francesco Malavasi
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102617
https://doi.org/10.1115/GT2023-102617
View Paper titled, Cloud Based Predictive Monitoring System for Steam Industrial Turbogenerator
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Topics: Monitoring systems, Steam, Turbogenerators, Biomass, Control systems, Instrumentation, Machinery, Maintenance, Sensors, Algorithms
Proceedings Papers

On the Influence of Stator-Rotor Radial Gap Size on the Fluid-Dynamic Performance of Mini-ORC Supersonic Turbines

Alessandro Cappiello, Matteo Majer, Raffaele Tuccillo, Matteo Pini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83309
https://doi.org/10.1115/GT2022-83309
View Paper titled, On the Influence of Stator-Rotor Radial Gap Size on the Fluid-Dynamic Performance of Mini-ORC Supersonic Turbines
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Topics: Fluids, Organic Rankine cycle, Rotors, Stators, Turbines, Flow (Dynamics), High temperature, Inflow, Machinery, Computation
Proceedings Papers

Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation

Ioannis Gavalas, Athanasios Chasalevris
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80107
https://doi.org/10.1115/GT2022-80107
View Paper titled, Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation
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Topics: Bifurcation, Nonlinear dynamics, Trains, Turbogenerators
Proceedings Papers

Improving the Safety of Power Plants by Developing a Digital Twin and an Expert System for Adaptive-Predictive Analysis of the Operability of Gas Turbine Units

Roman Polyakov, Eugenii Paholkin, Igor Kudryavcev, Nikolay Krupenin
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T09A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14217
https://doi.org/10.1115/GT2020-14217
View Paper titled, Improving the Safety of Power Plants by Developing a Digital Twin and an Expert System for Adaptive-Predictive Analysis of the Operability of Gas Turbine Units
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Topics: Artificial neural networks, Construction, Expert systems, Failure, Gas turbines, Modeling, Power stations, Safety, Security, Turbogenerators
Proceedings Papers

Error Considerations for Turbine-Generator Torsional Vibration Monitoring

Jindrich Liska, Jan Jakl, Sven Kunkel
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15454
https://doi.org/10.1115/GT2020-15454
View Paper titled, Error Considerations for Turbine-Generator Torsional Vibration Monitoring
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Topics: Errors, Turbogenerators, Vibration
Proceedings Papers

Dynamic Modelling of Small Scale and High Temperature ORC System Using Simulink and CoolProp

Radheesh Dhanasegaran, Antti Uusitalo, Teemu Turunen-Saaresti
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T22A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15314
https://doi.org/10.1115/GT2020-15314
View Paper titled, Dynamic Modelling of Small Scale and High Temperature ORC System Using Simulink and CoolProp
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Topics: Dynamic modeling, High temperature, Organic Rankine cycle, Dynamic models, Cycles, Design, Exhaust systems, Modeling, Pumps, Turbogenerators
Proceedings Papers

Computational Cost Reduction of MIMO Controllers for Active Magnetic Bearing Systems

Alican Sahinkaya, Larry Hawkins, Jerzy T. Sawicki
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15241
https://doi.org/10.1115/GT2020-15241
View Paper titled, Computational Cost Reduction of MIMO Controllers for Active Magnetic Bearing Systems
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Topics: Control equipment, Magnetic bearings, Dynamic response, Dynamics (Mechanics), Hardware, Machining, Modal assurance criterion, Permanent magnets, Turbogenerators
Proceedings Papers

On the Integration of Hot Foil Bearings Into Gas Turbine Engines: Theoretical Treatment

Hooshang Heshmat, James F. Walton, II
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A036, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91710
https://doi.org/10.1115/GT2019-91710
View Paper titled, On the Integration of Hot Foil Bearings Into Gas Turbine Engines: Theoretical Treatment
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Topics: Foil bearings, Gas turbines, Bearings, Stiffness, Design, High temperature, Modeling, Rotors, System dynamics, Damping
Proceedings Papers

Design and Prototype Test Data for a 300 kW AMB-Supported Turbine Generator for Natural Gas Pressure Letdown

Rasish Khatri, Larry Hawkins, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A030, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91172
https://doi.org/10.1115/GT2019-91172
View Paper titled, Design and Prototype Test Data for a 300 kW AMB-Supported Turbine Generator for Natural Gas Pressure Letdown
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Topics: Design, Engineering prototypes, Natural gas, Pressure, Turbogenerators, Bearings, Magnetic bearings, Generators, Dynamics (Mechanics), Machinery
Proceedings Papers

Development of a 250-kWe Class Supercritical Carbon Dioxide Rankine Cycle Power Generation System and its Core Components

JeongMin Seo, Won Chul Choi, HyungSoo Lim, MooRyong Park, Dong Ho Kim, KongHoon Lee, EuiSoo Yoon
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90337
https://doi.org/10.1115/GT2019-90337
View Paper titled, Development of a 250-kWe Class Supercritical Carbon Dioxide Rankine Cycle Power Generation System and its Core Components
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Topics: Energy / power systems, Rankine cycle, Supercritical carbon dioxide, Pumps, Turbines, Bearings, Cycles, Heat exchangers, Leakage, Test facilities
Proceedings Papers

Development of a Hundreds of kWe-Class Supercritical Carbon Dioxide Power Cycle Test Loop in KIER

Bongsu Choi, Junhyun Cho, Hyungki Shin, Jongjae Cho, Chulwoo Roh, Beomjoon Lee, Gilbong Lee, Ho-Sang Ra, Young-Jin Baik
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90681
https://doi.org/10.1115/GT2019-90681
View Paper titled, Development of a Hundreds of kWe-Class Supercritical Carbon Dioxide Power Cycle Test Loop in KIER
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Topics: Supercritical carbon dioxide, Thermodynamic power cycles, Cycles, Compressors, Heat exchangers, Temperature, Turbines, Turbogenerators, Bearings, Circuits
Proceedings Papers

Influence of Thermodynamic and Regime Parameters on the Efficiency of a System of Series Connected Low-Power Natural Gas Turbogenerators

D. S. Kalabukhov
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90310
https://doi.org/10.1115/GT2019-90310
View Paper titled, Influence of Thermodynamic and Regime Parameters on the Efficiency of a System of Series Connected Low-Power Natural Gas Turbogenerators
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Topics: Natural gas, Turbogenerators, Turbines, Design, Compressors, Computer software, Electric power generation, Energy efficiency, Flow (Dynamics), Gas industry
Proceedings Papers

Development and Operation of Supercritical Carbon Dioxide Power Cycle Test Loop With Axial Turbo-Generator

Junhyun Cho, Hyungki Shin, Jongjae Cho, Ho-Sang Ra, Chulwoo Roh, Beomjoon Lee, Gilbong Lee, Bongsu Choi, Young-Jin Baik
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A018, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76488
https://doi.org/10.1115/GT2018-76488
View Paper titled, Development and Operation of Supercritical Carbon Dioxide Power Cycle Test Loop With Axial Turbo-Generator
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Topics: Supercritical carbon dioxide, Thermodynamic power cycles, Turbogenerators, Turbines, Carbon dioxide, Bearings, Valves, Boilers, Carbon, Circuits
Proceedings Papers

Design, Flow Simulation, and Performance Test for a Partial-Admission Axial Turbine Under Supercritical CO 2 Condition

Jongjae Cho, Hyungki Shin, Junhyun Cho, Young-Jin Baik, Bongsu Choi, Chulwoo Roh, Ho-Sang Ra, Youngseok Kang, Jaesung Huh
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A019, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76508
https://doi.org/10.1115/GT2018-76508
View Paper titled, Design, Flow Simulation, and Performance Test for a Partial-Admission Axial Turbine Under Supercritical CO 2 Condition
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Topics: Design, Flow simulation, Supercritical carbon dioxide, Testing performance, Turbines, Flow (Dynamics), Turbogenerators, Carbon dioxide, Cycles, Electricity (Physics)
Proceedings Papers

Ultra-High Temperature Compliant Foil Bearings: The Journey to 870°C and Application in Gas Turbine Engines — Experiment

Hooshang Heshmat, James F. Walton, II, Brian D. Nicholson
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75555
https://doi.org/10.1115/GT2018-75555
View Paper titled, Ultra-High Temperature Compliant Foil Bearings: The Journey to 870°C and Application in Gas Turbine Engines — Experiment
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Topics: Foil bearings, Gas turbines, Temperature, Bearings, Ceramics, High temperature, Testing, Turbochargers, Air Force, Automotive engines
Proceedings Papers

Implementing Full Electric Turbocharging Systems on Highly Boosted Gasoline Engines

Q. Zhang, P. Lu, P. Dimitriou, S. Akehurst, C. Copeland, M. Zangeneh, B. Richards, G. Fowler
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A032, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64960
https://doi.org/10.1115/GT2017-64960
View Paper titled, Implementing Full Electric Turbocharging Systems on Highly Boosted Gasoline Engines
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Topics: Gasoline engines, Engines, Compressors, Turbines, Turbochargers, Cycles, Internal combustion engines, Transients (Dynamics), Turbogenerators, Carbon
Proceedings Papers

Identification of Torsional Natural Frequencies and Damping As Well As Prediction of Stress Amplitudes at a Nuclear Power Train

Roland Grein, Ulrich Ehehalt, Ingo Balkowski
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A026, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64133
https://doi.org/10.1115/GT2017-64133
View Paper titled, Identification of Torsional Natural Frequencies and Damping As Well As Prediction of Stress Amplitudes at a Nuclear Power Train
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Topics: Damping, Nuclear power, Stress, Trains, Vibration, Torque, Turbogenerators, Energy generation, Finite element analysis, Ocean engineering