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Proceedings Papers

Influence of the Convergent-Divergent Nozzles Arrangement Parameters on Aerodynamic Losses and Overall Supersonic Turbine Performance

Leonid Moroz, Maksym Burlaka, Aleksandr Yudin
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A031, June 13–17, 2022
Paper No: GT2022-83387
DOI: https://doi.org/10.1115/GT2022-83387
View Paper titled, Influence of the Convergent-Divergent Nozzles Arrangement Parameters on Aerodynamic Losses and Overall Supersonic Turbine Performance
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Topics: Design, Nozzles, Turbines
Proceedings Papers

Axial Compressor Map Generation Leveraging Autonomous Self-Training AI

Maksym Burlaka, Leonid Moroz
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A009, June 13–17, 2022
Paper No: GT2022-81215
DOI: https://doi.org/10.1115/GT2022-81215
View Paper titled, Axial Compressor Map Generation Leveraging Autonomous Self-Training AI
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Topics: Artificial neural networks, Compressors, Optimization
Journal Articles

Axial Compressor Map Generation Leveraging Autonomous Self-Training Artificial Intelligence

Maksym Burlaka, Leonid Moroz
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011001.
Paper No: GTP-22-1328
DOI: https://doi.org/10.1115/1.4055633
Published Online: October 19, 2022
View Article titled, Axial Compressor Map Generation Leveraging Autonomous Self-Training Artificial Intelligence
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Topics: Compressors, Inlet guide vanes, Optimization, Pressure
Proceedings Papers

Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes

Viktor Yevlakhov, Leonid Moroz, Andrii Khandrymailov, Yuriy Hyrka
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A016, June 7–11, 2021
Paper No: GT2021-59992
DOI: https://doi.org/10.1115/GT2021-59992
View Paper titled, Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes
Click here to open pdf in another window PDF for Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes
Topics: Aircraft, Engines, Flow (Dynamics), Fuel oils, Fuels, Heat exchangers, Heat transfer, Thermofluids, Transient analysis, Temperature
Proceedings Papers

An Approach to Model a Lossless Junction for Fluid Network Calculations in Turbomachinery

Andrii Khandrymailov, Leonid Moroz, Viktor Yevlakhov, Shanel Staple, Gregory Vogel
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A025, September 21–25, 2020
Paper No: GT2020-16079
DOI: https://doi.org/10.1115/GT2020-16079
View Paper titled, An Approach to Model a Lossless Junction for Fluid Network Calculations in Turbomachinery
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Topics: Flow (Dynamics), Fluids, Junctions, Turbomachinery, Pressure, Air flow, Computational fluid dynamics, Fluid dynamics, Inflow, Momentum
Proceedings Papers

Application of Digital Twin Concept for Supercritical CO 2 Off-Design Performance and Operation Analyses

Leonid Moroz, Maksym Burlaka, Tishun Zhang, Olga Altukhova
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A016, September 21–25, 2020
Paper No: GT2020-15743
DOI: https://doi.org/10.1115/GT2020-15743
View Paper titled, Application of Digital Twin Concept for Supercritical CO 2 Off-Design Performance and Operation Analyses
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Topics: Cycles, Design, Stress, Supercritical carbon dioxide
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
Paper No: GT2020-15008
DOI: 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

Supercritical Carbon Dioxide Turbomachinery Options for Kilowatt to Gigawatt Level Power Generation

Lakshminarayanan Seshadri, Harini Nivetha Raja, Pramod Kumar, Abdul Nassar, Gaurav Giri, Leonid Moroz
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T08A007, December 5–6, 2019
Paper No: GTINDIA2019-2472
DOI: https://doi.org/10.1115/GTINDIA2019-2472
View Paper titled, Supercritical Carbon Dioxide Turbomachinery Options for Kilowatt to Gigawatt Level Power Generation
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Topics: Compressors, Design, Energy generation, Supercritical carbon dioxide, Turbines, Turbomachinery
Proceedings Papers

An Integral Approach to Designing of an Optimized and Reliable Anti-Icing System Under Off-Design Operating Regimes in a Gas Turbine

Nishit Mehta, Olga Altukhova, Abdul Nassar, Leonid Moroz
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T09A010, December 5–6, 2019
Paper No: GTINDIA2019-2695
DOI: https://doi.org/10.1115/GTINDIA2019-2695
View Paper titled, An Integral Approach to Designing of an Optimized and Reliable Anti-Icing System Under Off-Design Operating Regimes in a Gas Turbine
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Topics: Design, Flow (Dynamics), Gas turbines
Proceedings Papers

Parametric Study on Ported Shroud Locations and Geometries for a Turbocharger Compressor

Suheab Thamizullah, Abdul Nassar, Antonio Davis, Gaurav Giri, Leonid Moroz
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A017, June 17–21, 2019
Paper No: GT2019-91245
DOI: https://doi.org/10.1115/GT2019-91245
View Paper titled, Parametric Study on Ported Shroud Locations and Geometries for a Turbocharger Compressor
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Topics: Compressors, Turbochargers, Design, Surges, Blades, Delays, Automotive engines, Cavities, Computational fluid dynamics, Computer software
Proceedings Papers

Design of 20 kW Turbomachinery for Closed Loop Supercritical Carbon Dioxide Brayton Test Loop Facility

Lakshminarayanan Seshadri, Sharath Sathish, Pramod Kumar, Gaurav Giri, Abdul Nassar, Leonid Moroz, Raghavendra Setty, Pramod Chandra Gopi, Adi Narayana Namburi
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A016, June 17–21, 2019
Paper No: GT2019-90876
DOI: https://doi.org/10.1115/GT2019-90876
View Paper titled, Design of 20 kW Turbomachinery for Closed Loop Supercritical Carbon Dioxide Brayton Test Loop Facility
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Topics: Design, Supercritical carbon dioxide, Turbomachinery, Compressors, Turbines, Generators, Blades, Boundary-value problems, Brayton cycle, Collaboration
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
Paper No: GT2019-90437
DOI: 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
Click here to open pdf in another window PDF for High Power Steam Turbine Lifetime Increase by Means of Front End Seal Arrangement and Start-Up Heating Conditions Improvement
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
Paper No: GT2018-75790
DOI: 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
Proceedings Papers

Direct Off-Design Performance Prediction of Micro Gas Turbine Engine for Distributed Power Generation

Valentyn Barannik, Maksym Burlaka, Leonid Moroz, Abdul Nassar
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T02A006, December 7–8, 2017
Paper No: GTINDIA2017-4617
DOI: https://doi.org/10.1115/GTINDIA2017-4617
View Paper titled, Direct Off-Design Performance Prediction of Micro Gas Turbine Engine for Distributed Power Generation
Click here to open pdf in another window PDF for Direct Off-Design Performance Prediction of Micro Gas Turbine Engine for Distributed Power Generation
Topics: Design, Distributed power generation, Engines, Micro gas turbines, Combined heat and power, Gas turbines, Compressors, Electric power generation, Energy generation, Flow (Dynamics)
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022604.
Paper No: GTP-17-1370
DOI: https://doi.org/10.1115/1.4037755
Published Online: October 3, 2017
View Article titled, 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

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
Paper No: GT2017-63547
DOI: https://doi.org/10.1115/GT2017-63547
View Paper titled, Integrated Approach for Steam Turbine Thermo-Structural Analysis and Lifetime Prediction at Transient Operations
Click here to open pdf in another window PDF for Integrated Approach for Steam Turbine Thermo-Structural Analysis and Lifetime Prediction at Transient Operations
Topics: Steam turbines, Transients (Dynamics), Rotors, Turbines, Flow (Dynamics), Power stations, Simulation, Steam, Stress, Temperature
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
Paper No: GT2017-63035
DOI: 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

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
Paper No: GT2016-57652
DOI: https://doi.org/10.1115/GT2016-57652
View Paper titled, Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction
Click here to open pdf in another window PDF for Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction
Topics: Rotors, Steam turbines, Transients (Dynamics), Turbines, Computer software, Condensation, Cycles, Heat, Steam, Boundary-value problems
Proceedings Papers

Evaluation for Scalability of a Combined Cycle Using Gas and Bottoming SCO2 Turbines

Leonid Moroz, Petr Pagur, Oleksii Rudenko, Maksym Burlaka, Clement Joly
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T09A007, June 28–July 2, 2015
Paper No: POWER2015-49439
DOI: https://doi.org/10.1115/POWER2015-49439
View Paper titled, Evaluation for Scalability of a Combined Cycle Using Gas and Bottoming SCO2 Turbines
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Topics: Combined cycles, Turbines, Cycles, Gas turbines, Supercritical carbon dioxide, Temperature, Combined heat and power, Combustion, Conceptual design, Energy generation
Proceedings Papers

Designing Supercritical CO2 Power Plants Using an Integrated Design System

Abdul Nassar, Leonid Moroz, Maksym Burlaka, Petr Pagur, Yuri Govoruschenko
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T08A004, December 15–17, 2014
Paper No: GTINDIA2014-8225
DOI: https://doi.org/10.1115/GTINDIA2014-8225
View Paper titled, Designing Supercritical CO2 Power Plants Using an Integrated Design System
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Topics: Design, Power stations, Supercritical carbon dioxide, Cycles, Turbomachinery, Compressors, Turbines, Heat, Boundary-value problems, Engineering prototypes