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Proceedings Papers

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Tommaso Diurno, Stella Grazia Tomasello, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Leonardo Nettis, Lorenzo Arcangeli
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A013, June 7–11, 2021
Paper No: GT2021-59268
DOI: https://doi.org/10.1115/GT2021-59268
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Topics: Computational fluid dynamics, Design, Exhaust systems, Modeling, Optimization, Steam turbines, Geometry, Diffusers, Engineering simulation, Flow (Dynamics)
Proceedings Papers

A Quantitative Approach for the Estimation of the Fouling Rate on the Stationary Parts of a Multistage Test Compressor

Alessandro Vulpio, Alessio Suman, Nicola Casari, Michele Pinelli
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A012, June 7–11, 2021
Paper No: GT2021-59449
DOI: https://doi.org/10.1115/GT2021-59449
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Topics: Compressors, Particulate matter, Computational fluid dynamics, Computer simulation, Contamination, Design, Economics , Engineering simulation, Engines, Flow (Dynamics)
Proceedings Papers

Steam Turbine Casing Analyses to Determine Pressure and Temperature Limits

Paul T. Smith, Daniel J. Griffin
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A015, June 7–11, 2021
Paper No: GT2021-59535
DOI: https://doi.org/10.1115/GT2021-59535
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Topics: Analytical methods, Finite element analysis, Pressure, Sealing (Process), Steam turbines, Temperature, Turbines, Steam, Stress, Bolted joints
Proceedings Papers

CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Tingcheng Wu, Luis San Andrés, Xueliang Lu
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A005, June 7–11, 2021
Paper No: GT2021-58631
DOI: https://doi.org/10.1115/GT2021-58631
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Topics: Computational fluid dynamics, Pumps, Damping, Pressure, Engineering simulation, Excitation, Flow (Dynamics), Rotors, Simulation, Stability
Proceedings Papers

Frequency Dependancy of Dynamic Force Coefficients for Hermetic Squeeze Film Dampers Utilizing Fluid-Bounding Flexible Structures

Bugra Ertas, Keith Gary
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A020, June 7–11, 2021
Paper No: GT2021-60007
DOI: https://doi.org/10.1115/GT2021-60007
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Topics: Dampers, Flexible structures, Fluids, Design, Fluid structure interaction, Computational fluid dynamics, Finite element analysis, Architecture, Bearing design, Computer software
Proceedings Papers

Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations

Mark Noun, Laurent Gicquel, Gabriel Staffelbach
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A012, June 7–11, 2021
Paper No: GT2021-59188
DOI: https://doi.org/10.1115/GT2021-59188
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Topics: Cavities, Oscillations, Rotors, Stability, Stators, Flow (Dynamics), Fluids, Engines, Blades, Disks
Proceedings Papers

High Efficiency Active Damping on a Fan Rotor Blade in Case Of Resonant Vibrations by Means of Piezoelectric Actuators

Andrea Rossi, Fabio Botta, Ambra Giovannelli, Nicola Pio Belfiore
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A016, June 7–11, 2021
Paper No: GT2021-59999
DOI: https://doi.org/10.1115/GT2021-59999
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Topics: Active damping, Blades, Piezoelectric actuators, Resonance, Rotors, Vibration, Excitation, Computational fluid dynamics, Finite element analysis, Flow (Dynamics)
Proceedings Papers

Effective Clearance And Differential Gapping Impact on Seal Flutter Modelling and Validation

Roque Corral, Michele Greco, Almudena Vega
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A006, June 7–11, 2021
Paper No: GT2021-58846
DOI: https://doi.org/10.1115/GT2021-58846
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Topics: Clearances (Engineering), Flutter (Aerodynamics), Modeling, Stability, Accounting, Cavities, Computer simulation, Engineering simulation, Kinetic energy, Navier-Stokes equations
Proceedings Papers

HCF Optimization of a High Speed Variable Geometry Turbine

Alister Simpson, Sung in Kim, Jongyoon Park, Seong Kwon, Sejong Yoo
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A010, June 7–11, 2021
Paper No: GT2021-59626
DOI: https://doi.org/10.1115/GT2021-59626
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Topics: Geometry, High cycle fatigue, Optimization, Turbines, Blades, Stress, Computational fluid dynamics, Pressure, Vibration, Cycles
Proceedings Papers

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A008, June 7–11, 2021
Paper No: GT2021-59581
DOI: https://doi.org/10.1115/GT2021-59581
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Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
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

Design of a Cooled sCO2 Combustion Test Rig for Steady-State Kinetics Testing

Kelsi M. Katcher, Timothy C. Allison, Michael Marshall, Yuin Jin, Chansun Lim, Sungho Chang
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A002, June 7–11, 2021
Paper No: GT2021-04122
DOI: https://doi.org/10.1115/GT2021-04122
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Topics: Combustion, Design, Steady state, Testing, Temperature, Cycles, Flow (Dynamics), Carbon capture and storage, Chemical kinetics, Circuits
Proceedings Papers

On sCO 2 Compressor Performance Maps at Variable Intake Thermodynamic Conditions

Alessandro Romei, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A028, June 7–11, 2021
Paper No: GT2021-60252
DOI: https://doi.org/10.1115/GT2021-60252
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Topics: Compressors, Flow (Dynamics), Carbon dioxide, Compressibility, Mach number, Blades, Design, Engineering simulation, Fluids, Simulation
Proceedings Papers

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Serena Gabriele, Paolo Di Sisto, Giuseppe Del Vescovo, Conti Simone
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A010, June 7–11, 2021
Paper No: GT2021-58919
DOI: https://doi.org/10.1115/GT2021-58919
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Topics: Dampers, Design, Ducts, Gas turbines, Thin shells, Flow (Dynamics), Finite element analysis, High cycle fatigue, Turbines, Bolted joints
Proceedings Papers

A Key Flow Parameter to the Profile Loss of Low-Pressure Turbine Blades

Hidekazu Kodama, Ken-ichi Funazaki
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A003, June 7–11, 2021
Paper No: GT2021-58887
DOI: https://doi.org/10.1115/GT2021-58887
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Topics: Flow (Dynamics), Pressure, Turbine blades, Blades, Boundary layers, Form drag, Drag (Fluid dynamics), Design, Friction, Optimization
Proceedings Papers

Highly Resolved Simulations of a CDA Compressor Cascade: Effect of Reynolds Number on Losses

John Leggett, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A009, June 7–11, 2021
Paper No: GT2021-58665
DOI: https://doi.org/10.1115/GT2021-58665
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Topics: Cascades (Fluid dynamics), Compressors, Engineering simulation, Reynolds number, Simulation, Blades, Geometry, Wakes, Airfoils, Boundary layers
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Vane With End Walls: Impact of Secondary Structures and Spanwise Temperature Profiles on Losses

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A002, June 7–11, 2021
Paper No: GT2021-58816
DOI: https://doi.org/10.1115/GT2021-58816
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Topics: Engineering simulation, High pressure (Physics), Simulation, Temperature profiles, Turbines, Boundary layers, Blades, Pressure, Suction, Combustion chambers
Proceedings Papers

Development of Turbulent Quantities Inside an Axial Turbine Vane

Stephan Behre, Dragan Kožulović, Christian Hösgen, Peter Jeschke
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A014, June 7–11, 2021
Paper No: GT2021-60013
DOI: https://doi.org/10.1115/GT2021-60013
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Topics: Turbines, Turbulence, Stators, Kinetic energy, Wire, Algebra, Anisotropy, Axial flow, Computational fluid dynamics, Engineering simulation
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A004, June 7–11, 2021
Paper No: GT2021-58995
DOI: https://doi.org/10.1115/GT2021-58995
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Topics: Engineering simulation, High pressure (Physics), Reynolds number, Simulation, Turbines, Turbulence, Rotors, Wakes, Blades, Flow (Dynamics)
Proceedings Papers

Fan Stability With Leading Edge Damage: Blind Prediction and Validation

E. J. Gunn, T. Brandvik, M. J. Wilson, R. Maxwell
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A033, June 7–11, 2021
Paper No: GT2021-59495
DOI: https://doi.org/10.1115/GT2021-59495
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Topics: Damage, Stability, Flow (Dynamics), Engineering simulation, Separation (Technology), Simulation, Stall inception, Supersonic flow, Annulus, Blades