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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

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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

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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

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

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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

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Topics: Aircraft, Engines, Flow (Dynamics), Fuel oils, Fuels, Heat exchangers, Heat transfer, Thermofluids, Transient analysis, Temperature

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

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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

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Topics: Bearings, Damping, Hydrostatics, Journal bearings, Stiffness, Stress

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

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Topics: Flow (Dynamics), Fluids, Junctions, Turbomachinery, Pressure, Air flow, Computational fluid dynamics, Fluid dynamics, Inflow, Momentum

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

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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

Paper No: GTINDIA2019-2695

DOI: https://doi.org/10.1115/GTINDIA2019-2695

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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

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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

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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

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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

Paper No: GT2018-75790

DOI: https://doi.org/10.1115/GT2018-75790

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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

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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

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

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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

Paper No: GT2017-63035

DOI: https://doi.org/10.1115/GT2017-63035

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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

Paper No: GT2017-63547

DOI: https://doi.org/10.1115/GT2017-63547

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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

Paper No: GT2016-57652

DOI: https://doi.org/10.1115/GT2016-57652

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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

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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

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Topics: Design, Power stations, Supercritical carbon dioxide, Cycles, Turbomachinery, Compressors, Turbines, Heat, Boundary-value problems, Engineering prototypes

Journal citation

NARROW

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

Axial Compressor Map Generation Leveraging Autonomous Self-Training AI

Axial Compressor Map Generation Leveraging Autonomous Self-Training Artificial Intelligence

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

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

Load Influence on Hydrostatic Oil Film Journal Bearing Stiffness Characteristics

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

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

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

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

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

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

Hydrodynamic Journal Bearings Optimization Considering Rotor Dynamics Restrictions

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

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

Prediction of Structural Supports Influence on Rotating Machinery Dynamics

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

Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction

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

Designing Supercritical CO2 Power Plants Using an Integrated Design System

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