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Proceedings Papers

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

Alessandro Romei, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102106
https://doi.org/10.1115/GT2023-102106
View Paper titled, Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages
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Topics: Compressors, Design, Flow (Dynamics), Carbon dioxide, Optimization, Shapes, Aerodynamics, Compressibility, Density, Engineering design processes
Proceedings Papers

Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine

Matteo Dellacasagrande, Davide Lengani, Daniele Simoni, Marina Ubaldi, Angelo Alberto Granata, Matteo Giovannini, Filippo Rubechini, Francesco Bertini
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A037, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103770
https://doi.org/10.1115/GT2023-103770
View Paper titled, Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine
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Topics: Pressure, Turbines, Wakes, Flow (Dynamics), Unsteady flow, Blades, Boundary layers, Cascades (Fluid dynamics), Inflow, Engineering design processes
Proceedings Papers

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using DOE Analysis

Tommaso Diurno, Tommaso Fondelli, Leonardo Nettis, Nicola Maceli, Lorenzo Arcangeli, Antonio Andreini, Bruno Facchini
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15993
https://doi.org/10.1115/GT2020-15993
View Paper titled, Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using DOE Analysis
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Topics: Exhaust systems, Pressure, Steam turbines, Flow (Dynamics), Turbines, Design, Diffusers, Rotors, Simulation, Computational fluid dynamics
Proceedings Papers

Gas Turbine Performance Digital Twin for Real-Time Embedded Systems

V. Panov, S. Cruz-Manzo
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14664
https://doi.org/10.1115/GT2020-14664
View Paper titled, Gas Turbine Performance Digital Twin for Real-Time Embedded Systems
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Topics: Embedded systems, Gas turbines, Internet of things, Control systems, Engines, Computer software, Cloud computing, Control equipment, Cyber-physical systems, Engineering design processes
Proceedings Papers

Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study

Abed Cheikh Brahim, Khelladi Sofiane, Deligant Michael, El Marjani Abdel, Farid Bakir
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15860
https://doi.org/10.1115/GT2020-15860
View Paper titled, Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study
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Topics: Compressors, Design, Impellers, Machinery, Turbomachinery, Computer simulation, Degrees of freedom, Diffusers, Engineering design processes, Flow (Dynamics)
Proceedings Papers

Application of Tuned Vibration Absorber Concept to Blisk Ring Dampers: A Nonlinear Study

Andrea Lupini, Mainak Mitra, Bogdan I. Epureanu
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90168
https://doi.org/10.1115/GT2019-90168
View Paper titled, Application of Tuned Vibration Absorber Concept to Blisk Ring Dampers: A Nonlinear Study
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Topics: Dampers, Vibration absorbers, Vibration, Blades, Energy transformation, Engineering design processes, Design, Energy dissipation, Finite element model, Friction
Proceedings Papers

Combustion Characteristics of Natural Gas Fueled, Premixed Turbulent Jet Flame Arrays Confined in a Hexagonal Combustor

Robbin Bhagwan, Alexander Schwagerus, Christof Weis, Peter Habisreuther, Nikolaos Zarzalis, Michael Huth, Berthold Koestlin, Stefan Dederichs
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90286
https://doi.org/10.1115/GT2019-90286
View Paper titled, Combustion Characteristics of Natural Gas Fueled, Premixed Turbulent Jet Flame Arrays Confined in a Hexagonal Combustor
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Topics: Combustion, Combustion chambers, Flames, Natural gas, Turbulence, Combustion systems, Gas turbines, Chemiluminescence, Engineering design processes, Fuels
Proceedings Papers

Effect of Blade Row Interaction on Rotor Film Cooling

James Brind, Graham Pullan
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT12A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90961
https://doi.org/10.1115/GT2019-90961
View Paper titled, Effect of Blade Row Interaction on Rotor Film Cooling
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Topics: Blades, Film cooling, Rotors, Boundary-value problems, Computation, Cooling, Momentum, Turbines, Wakes, Design
Proceedings Papers

Transient Modeling of 10 MW Supercritical CO 2 Brayton Power Cycles Using Numerical Propulsion System Simulation (NPSS)

Ching-Jen Tang, Aaron McClung, Douglas Hofer, Megan Huang
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A024, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91443
https://doi.org/10.1115/GT2019-91443
View Paper titled, Transient Modeling of 10 MW Supercritical CO 2 Brayton Power Cycles Using Numerical Propulsion System Simulation (NPSS)
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Topics: Modeling, Propulsion systems, Simulation, Supercritical carbon dioxide, Thermodynamic power cycles, Transients (Dynamics), Turbines, Compressors, Carbon dioxide, Cycles
Proceedings Papers

Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors

Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Andrea Schneider, Pio Astrua
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A016, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90363
https://doi.org/10.1115/GT2019-90363
View Paper titled, Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors
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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Simulation, Blades, Convection, Performance, Reynolds-averaged Navier–Stokes equations, Steady state, Vorticity
Proceedings Papers

Application of Design-for-LCA Methodology to Compare Architectural Alternatives for the Compressor Rotor of an Industrial Gas Turbine

Alessandro Musacchio, Mattia Vicarelli, Simone Colantoni, Pietro Bartocci, Francesco Fantozzi
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A015, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91185
https://doi.org/10.1115/GT2019-91185
View Paper titled, Application of Design-for-LCA Methodology to Compare Architectural Alternatives for the Compressor Rotor of an Industrial Gas Turbine
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Topics: Compressors, Design, Industrial gases, Rotors, Turbines, Manufacturing, Architecture, Engineering design processes, Gas turbines, Optimization
Proceedings Papers

Analysis of Rotordynamic and Thermodynamic Performance of a Multistage Centrifugal Compressor Operating in the Minimum Flow Region

Marco Giachi, Giuseppe Vannini, Pier Luigi Di Pillo
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A026, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76847
https://doi.org/10.1115/GT2018-76847
View Paper titled, Analysis of Rotordynamic and Thermodynamic Performance of a Multistage Centrifugal Compressor Operating in the Minimum Flow Region
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Topics: Compressors, Flow (Dynamics), Machinery, Engineering design processes, Vibration
Proceedings Papers

Effect of the Gas to Wall Temperature Ratio on the Bypass Transition

Riccardo Rubini, Roberto Maffulli, Tony Arts
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A034, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76214
https://doi.org/10.1115/GT2018-76214
View Paper titled, Effect of the Gas to Wall Temperature Ratio on the Bypass Transition
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Topics: Boundary layers, Design, Engineering design processes, Engineering simulation, Flow (Dynamics), Heat transfer, High pressure (Physics), Mach number, Machinery, Modeling
Proceedings Papers

Aerodynamic Design System for Non-Axisymmetric Boundary Layer Ingestion Fans

Sandeep Kumar, Mark G. Turner, Kiran Siddappaji, Mark Celestina
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A048, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77042
https://doi.org/10.1115/GT2018-77042
View Paper titled, Aerodynamic Design System for Non-Axisymmetric Boundary Layer Ingestion Fans
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Topics: Boundary layers, Design, Fans, Flow (Dynamics), Geometry, Metals, Blades, Chords (Trusses), Engineering design processes, Engines
Proceedings Papers

Optimal Design of Flexible Power Cycles Through Kriging-Based Surrogate Models

Luca Riboldi, Lars O. Nord
Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T08A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75214
https://doi.org/10.1115/GT2018-75214
View Paper titled, Optimal Design of Flexible Power Cycles Through Kriging-Based Surrogate Models
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Topics: Design, Thermodynamic power cycles, Optimization, Carbon dioxide, Combined cycles, Cycles, Emissions, Engineering design processes, Ocean engineering, Weight (Mass)
Proceedings Papers

Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings

Gen Fu, Alexandrina Untaroiu, Erik Swanson
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A016, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64535
https://doi.org/10.1115/GT2017-64535
View Paper titled, Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings
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Topics: Foil bearings, Geometry, Thrust, Computational fluid dynamics, Design, Film thickness, Fluids, Friction, Rotors, Stress
Proceedings Papers

Numerical Investigation of Optimized Arrangements for Effusion Cooling in Gas Turbine Combustor Applications

L. Mazzei, S. Puggelli, A. Andreini, B. Facchini
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT17A012, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65038
https://doi.org/10.1115/GT2017-65038
View Paper titled, Numerical Investigation of Optimized Arrangements for Effusion Cooling in Gas Turbine Combustor Applications
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Topics: Combustion chambers, Cooling, Gas turbines, Computational fluid dynamics, Coolants, Simulation, Acoustics, Aircraft engines, Boundary-value problems, Cooling systems
Proceedings Papers

Influence of Different Parametrizations on the Optimum Design of a High Pressure Turbine Blade Firtree

Frank Wagner, Arnold Kühhorn, Thomas Weiss, Dierk Otto
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT27A002, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56749
https://doi.org/10.1115/GT2016-56749
View Paper titled, Influence of Different Parametrizations on the Optimum Design of a High Pressure Turbine Blade Firtree
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Topics: Design, High pressure (Physics), Turbine blades, Geometry, Optimization, Blades, Disks, Failure, Stress, Aircraft engines
Proceedings Papers

Aerodynamic Turbine Design for an Oxy-Fuel Combined Cycle

Adrian Dahlquist, Magnus Genrup
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A016, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56439
https://doi.org/10.1115/GT2016-56439
View Paper titled, Aerodynamic Turbine Design for an Oxy-Fuel Combined Cycle
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Topics: Combined cycles, Design, Fuels, Turbines, Carbon dioxide, Cycles, Gas turbines, Carbon capture and storage, Design methodology, Fluids
Proceedings Papers

Small Horizontal Axis Wind Turbines: Current Status and Future Challenges

Kenneth W. Van Treuren
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T46A014, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57701
https://doi.org/10.1115/GT2016-57701
View Paper titled, Small Horizontal Axis Wind Turbines: Current Status and Future Challenges
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Topics: Horizontal axis wind turbines, Wind turbines, Design, Noise (Sound), Airfoils, Cities, Wind, Aerodynamics, Carbon, China