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Proceedings Papers

Aerodynamic Mitigation of Mechanical Constraints in Small Compressor Blade Profiles

Tony Dickens, James Taylor, Chris Hall, Rob Miller

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A032, June 7–11, 2021

Paper No: GT2021-59452

DOI: https://doi.org/10.1115/GT2021-59452

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Topics: Blades, Compressors, Degrees of freedom, Shapes, Aircraft, Airfoils, Computational fluid dynamics, Design, Flow (Dynamics), Flow turning

Proceedings Papers

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A004, June 7–11, 2021

Paper No: GT2021-58901

DOI: https://doi.org/10.1115/GT2021-58901

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Topics: Flow (Dynamics), Optimization, Turbines, Design, Inertia (Mechanics), Engines, Stress, Rotors, Transients (Dynamics), Turbochargers

Proceedings Papers

Investigation on the Robustness of Rotor/Stator Contact Interactions With Respect to Small Mistuning

Florence Nyssen, Alain Batailly

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A017, June 7–11, 2021

Paper No: GT2021-59216

DOI: https://doi.org/10.1115/GT2021-59216

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Topics: Robustness, Rotors, Stators, Blades, Degrees of freedom, Disks, Design, Engineering simulation, Engines, Excitation

Proceedings Papers

Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles

F. Crespi, G. S. Martínez, P. Rodriguez de Arriba, D. Sánchez, F. Jiménez-Espadafor

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A030, June 7–11, 2021

Paper No: GT2021-60293

DOI: https://doi.org/10.1115/GT2021-60293

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Topics: Cycles, Fluids, Supercritical carbon dioxide, Carbon dioxide, Temperature, Concentrating solar power, Thermal efficiency, Thermodynamic power cycles, Compressors, Degrees of freedom

Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek

Paper No: GT2021-59272

DOI: https://doi.org/10.1115/GT2021-59272

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Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades

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

Paper No: GT2020-15860

DOI: https://doi.org/10.1115/GT2020-15860

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Topics: Compressors, Design, Impellers, Machinery, Turbomachinery, Computer simulation, Degrees of freedom, Diffusers, Engineering design processes, Flow (Dynamics)

Proceedings Papers

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A030, September 21–25, 2020

Paper No: GT2020-16032

DOI: https://doi.org/10.1115/GT2020-16032

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Topics: Additive manufacturing, Cooling, Design, Optimization, Topology, Fluids, Heat transfer, Blades, Gas turbines, Porosity

Proceedings Papers

Numerical Investigation of Dump Diffuser Combustor Performance at Uniform and Non-Uniform Inlet Conditions

Heyu Wang, Kai Hong Luo

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A030, September 21–25, 2020

Paper No: GT2020-15982

DOI: https://doi.org/10.1115/GT2020-15982

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Topics: Combustion chambers, Diffusers, Pressure, Compressors, Aircraft engines, Boundary layers, Design, Aerodynamics, Air flow, Annulus

Proceedings Papers

Comparative Study of Blades Reduced Order Models With Geometrical Nonlinearities and Contact Interfaces

Elise Delhez, Florence Nyssen, Jean-Claude Golinval, Alain Batailly

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A017, September 21–25, 2020

Paper No: GT2020-14882

DOI: https://doi.org/10.1115/GT2020-14882

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Topics: Blades, Finite element model, Accounting, Compressors, Degrees of freedom, Displacement, Excitation, NASA, Robustness, Rotors

Proceedings Papers

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A005, September 21–25, 2020

Paper No: GT2020-14264

DOI: https://doi.org/10.1115/GT2020-14264

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Topics: Disks, Friction, Random excitation, Excitation, Dampers, Degrees of freedom, Manufacturing, Energy dissipation, Linear systems, Nonlinear equations

Proceedings Papers

Hybrid Numerical-Experimental Model Update Based on Correlation Approach for Turbine Components

Zeeshan Saeed, Christian Maria Firrone, Teresa Maria Berruti

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A042, September 21–25, 2020

Paper No: GT2020-16308

DOI: https://doi.org/10.1115/GT2020-16308

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Topics: Blades, Computer simulation, Degrees of freedom, Disks, Errors, Failure, Frequency response, High cycle fatigue, Impact testing, Overlays (Materials engineering)

Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020

Paper No: GT2020-14964

DOI: https://doi.org/10.1115/GT2020-14964

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Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection

Proceedings Papers

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A006, September 21–25, 2020

Paper No: GT2020-14254

DOI: https://doi.org/10.1115/GT2020-14254

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Topics: Journal bearings, Nonlinear vibration, Rotors, Bearings, Bifurcation, Disks, Limit cycles, Degrees of freedom, Finite element analysis, Rolling bearings

Proceedings Papers

Performance of Darrieus Wind Turbine Using Slotted Blades With Gurney Flap

Ahmed M. R. Elbaz, Ahmed A. Ibrahim, Omar S. Mohamed, Ahmed K. Etman

Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A007, September 21–25, 2020

Paper No: GT2020-15239

DOI: https://doi.org/10.1115/GT2020-15239

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Topics: Blades, Computational fluid dynamics, Vertical axis wind turbines, Wind turbines, Turbines, Airfoils, Torque, Cities, Computer software, Degrees of freedom

Proceedings Papers

An Experimental and Modelling Strategy for Obtaining Complete Characteristic Maps of Dual-Volute Radial Inflow Turbines

José Ramón Serrano, Francisco José Arnau Martínez, Luis Miguel García-Cuevas, Vishnu Samala, Stephane Guilain, Samuel Batard

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A010, September 21–25, 2020

Paper No: GT2020-14802

DOI: https://doi.org/10.1115/GT2020-14802

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Topics: Inflow, Modeling, Turbines, Flow (Dynamics), Turbocharged engines, Blades, Degrees of freedom, Engines, Exhaust systems, Gasdynamics

Proceedings Papers

Steam Injected Gas Turbine (STIG) for Load Flexible CHP: Aspects of Dynamic Behaviour, Control and Water Recovery

Thorsten Lutsch, Uwe Gampe, Guntram Buchheim

Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T23A009, June 17–21, 2019

Paper No: GT2019-90748

DOI: https://doi.org/10.1115/GT2019-90748

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Topics: Combined heat and power, Gas turbines, Steam, Stress, Water reuse, Heat, Steam turbines, Combined cycles, Condensation, Condensed matter

Proceedings Papers

Improving Emission and Blow-Out Characteristics of Novel Natural Gas Low NOx Burners for Heavy Duty Gas Turbine

Matteo Cerutti, Michele Roma, Alessio Picchi, Riccardo Becchi, Bruno Facchini

Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A015, June 17–21, 2019

Paper No: GT2019-91235

DOI: https://doi.org/10.1115/GT2019-91235

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Topics: Emissions, Gas turbines, Natural gas, Nitrogen oxides, Optimization, Design, Flames, Degrees of freedom, Engineering prototypes, Experimental characterization

Proceedings Papers

On the Frequency Dependency of Tilting-Pad Journal Bearings

Laurence F. Wagner

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A005, June 17–21, 2019

Paper No: GT2019-90195

DOI: https://doi.org/10.1115/GT2019-90195

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Topics: Bearings, Damping, Journal bearings, Stiffness, Degrees of freedom, Dynamic modeling, Hinges

Proceedings Papers

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A024, June 17–21, 2019

Paper No: GT2019-91702

DOI: https://doi.org/10.1115/GT2019-91702

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Topics: Compressors, Databases, Degrees of freedom, Finite element analysis, Finite element model, Mode shapes, Noise (Sound), Particle spin, Periodic structures, Rotation

Proceedings Papers

The Effect of Blade Deflections on the Torsional Dynamic of a Wind Turbine

Juan Jauregui, Diego Cárdenas, Luis Morales, Miguel Martinez, Jovan Basaldua

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A007, June 17–21, 2019

Paper No: GT2019-91046

DOI: https://doi.org/10.1115/GT2019-91046

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Topics: Blades, Deflection, Wind turbines, Torque, Dynamic models, Generators, Vibration, Wind, Excitation, Mechanical drives

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NARROW

Aerodynamic Mitigation of Mechanical Constraints in Small Compressor Blade Profiles

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Investigation on the Robustness of Rotor/Stator Contact Interactions With Respect to Small Mistuning

Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

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

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Numerical Investigation of Dump Diffuser Combustor Performance at Uniform and Non-Uniform Inlet Conditions

Comparative Study of Blades Reduced Order Models With Geometrical Nonlinearities and Contact Interfaces

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Hybrid Numerical-Experimental Model Update Based on Correlation Approach for Turbine Components

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Performance of Darrieus Wind Turbine Using Slotted Blades With Gurney Flap

An Experimental and Modelling Strategy for Obtaining Complete Characteristic Maps of Dual-Volute Radial Inflow Turbines

Steam Injected Gas Turbine (STIG) for Load Flexible CHP: Aspects of Dynamic Behaviour, Control and Water Recovery

Improving Emission and Blow-Out Characteristics of Novel Natural Gas Low NOx Burners for Heavy Duty Gas Turbine

On the Frequency Dependency of Tilting-Pad Journal Bearings

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

The Effect of Blade Deflections on the Torsional Dynamic of a Wind Turbine

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