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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

Wet Gas Formation and Carryover in Compressor Suction Equipment

Griffin Beck, Nathan Andrews, A. Grey Berry, Amy McCleney

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A010, June 7–11, 2021

Paper No: GT2021-59353

DOI: https://doi.org/10.1115/GT2021-59353

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Topics: Compressors, Suction, Condensation, Boundary-value problems, Drops, Failure, Flow (Dynamics), Fluid dynamics, Fluids, Gas flow

Proceedings Papers

Mathematical Modeling of the Polytropic Process Using the Sequential Cubic Polynomial Approximation

Matt Taher

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A017, June 7–11, 2021

Paper No: GT2021-59715

DOI: https://doi.org/10.1115/GT2021-59715

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Topics: Compression, Compressors, Energy dissipation, Modeling, Polynomial approximation, Polynomials, Testing performance, Thermodynamics

Proceedings Papers

Two Phase Flow CFD Modeling of a Steam Turbine Low Pressure Section: Comparison With Data and Correlations

Nicola Maceli, Lorenzo Arcangeli, Andrea Arnone

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A016, June 7–11, 2021

Paper No: GT2021-59645

DOI: https://doi.org/10.1115/GT2021-59645

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Topics: Computational fluid dynamics, Modeling, Pressure, Steam turbines, Two-phase flow

Proceedings Papers

Assessment of Non-Standard Procedure in Field Testing of Gas Turbine Driven Centrifugal Compressors

Nicola Casari, Ettore Fadiga, Michele Pinelli, Alessio Suman, Rainer Kurz, Kevin C. Davis, Flavio Marin

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A002, June 7–11, 2021

Paper No: GT2021-04249

DOI: https://doi.org/10.1115/GT2021-04249

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Topics: Compressors, Gas turbines, Testing, Equations of state, Errors, Fuel consumption, Modeling, Natural gas, Performance, Resistance thermometers

Proceedings Papers

Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine

Soichiro Tabata, Yasuhiro Sasao, Kiyoshi Segawa

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A001, June 7–11, 2021

Paper No: GT2021-01754

DOI: https://doi.org/10.1115/GT2021-01754

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Topics: Condensation, Equilibrium (Physics), Flow (Dynamics), Modeling, Shapes, Steam turbines, Computational fluid dynamics, Blades, Computation, Pipes

Proceedings Papers

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Thomas Kerr, Adolfo Delgado

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A026, June 7–11, 2021

Paper No: GT2021-60360

DOI: https://doi.org/10.1115/GT2021-60360

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Topics: Reynolds number, Thrust, Turbulence, Stress, Computational fluid dynamics, Bearings, Flow (Dynamics), Modeling, Particle spin, Rotation

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

Thermohydrodynamic Modeling of a Tapered-Land Thrust Bearing With Validation Against Experimental Data

Seckin Gokaltun

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A025, June 7–11, 2021

Paper No: GT2021-60203

DOI: https://doi.org/10.1115/GT2021-60203

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Topics: Modeling, Thermohydrodynamics, Thrust bearings, Bearings, Stress, Fluid films, Heat transfer, Computational fluid dynamics, Deformation, Pressure

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

On Virtual Clearance Monitoring of Steam Turbine by Using Model Order Reduction

Hiroshi Ito, Shoichiro Hosomi, Norikazu Tezuka, Tomohiro Ishida

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A002, June 7–11, 2021

Paper No: GT2021-59003

DOI: https://doi.org/10.1115/GT2021-59003

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Topics: Clearances (Engineering), Steam turbines, Sensors, Errors, Rotors, Data fusion, Finite element analysis, Stress, Finite element model, High temperature

Proceedings Papers

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

Himanshu Patel, Alok Sinha

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A003, June 7–11, 2021

Paper No: GT2021-59863

DOI: https://doi.org/10.1115/GT2021-59863

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Topics: Friction, Kalman filters, Stress, Turbine blades, Dampers, Excitation, Vibration, Differential equations, Errors, Modeling

Proceedings Papers

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh, Emily B. Carper, Joseph A. Beck

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A028, June 7–11, 2021

Paper No: GT2021-60238

DOI: https://doi.org/10.1115/GT2021-60238

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Topics: Airfoils, Mode shapes, Modeling, Stochastic processes, Modal assurance criterion, Maintenance, Displacement, Geometry, Design, Finite element model

Proceedings Papers

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov

Paper No: GT2021-58982

DOI: https://doi.org/10.1115/GT2021-58982

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Topics: Disks, Interpolation, Rotation, Transients (Dynamics), Mode shapes, Vibration, Engines, Finite element analysis, Gas turbines, Modeling

Proceedings Papers

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh

Paper No: GT2021-59681

DOI: https://doi.org/10.1115/GT2021-59681

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Topics: Aluminum alloys, Computer simulation, Corrosion, Stress corrosion cracking, Aerospace industry, Aerospace systems, Aircraft, Alloys, Deformation, Electrochemistry

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

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

Impact of Dry Cooler Air-Side Performance on a sCO 2 Power Cycle for a CSP Application

Kelsi M. Katcher, Dereje Amogne

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A022, June 7–11, 2021

Paper No: GT2021-59936

DOI: https://doi.org/10.1115/GT2021-59936

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Topics: Brayton cycle, Concentrating solar power, Cycles, Design, Modeling, Supercritical carbon dioxide, Thermodynamic power cycles, Temperature, Heat transfer, Carbon dioxide

Proceedings Papers

Radial Inlet and Exit Off-Design Performance Prediction for a 10 MWe Supercritical CO 2 Axial Turbine

Michael Marshall, Thomas Vandeputte, Stefan Cich, Megan Herrara

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A005, June 7–11, 2021

Paper No: GT2021-04266

DOI: https://doi.org/10.1115/GT2021-04266

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Topics: Design, Supercritical carbon dioxide, Turbines, Cycles, Pressure, Computational fluid dynamics, Diffusers, Boundary-value problems, Flow (Dynamics), Modeling

Proceedings Papers

Efficiency Maximization of Allam Cycle at a Given Combustion Temperature

Yousef Haseli

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A025, June 7–11, 2021

Paper No: GT2021-59962

DOI: https://doi.org/10.1115/GT2021-59962

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Topics: Combustion, Cycles, Modeling, Pressure, Temperature, Turbines, Exhaust systems, Turbochargers, Algebra, Carbon dioxide

Proceedings Papers

Test and Theory for a Refined Structural Model of a Hirth Coupling

Baik Jin Kim, Joseph Oh, Alan Palazzolo

Paper No: GT2021-59970

DOI: https://doi.org/10.1115/GT2021-59970

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Topics: Algorithms, Compressors, Computation, Deformation, Finishes, Finite element analysis, Finite element methods, Force measurement, Geometry, Modal analysis

2 3 4 5

NARROW

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

Wet Gas Formation and Carryover in Compressor Suction Equipment

Mathematical Modeling of the Polytropic Process Using the Sequential Cubic Polynomial Approximation

Two Phase Flow CFD Modeling of a Steam Turbine Low Pressure Section: Comparison With Data and Correlations

Assessment of Non-Standard Procedure in Field Testing of Gas Turbine Driven Centrifugal Compressors

Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

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

Thermohydrodynamic Modeling of a Tapered-Land Thrust Bearing With Validation Against Experimental Data

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

On Virtual Clearance Monitoring of Steam Turbine by Using Model Order Reduction

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

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

Impact of Dry Cooler Air-Side Performance on a sCO 2 Power Cycle for a CSP Application

Radial Inlet and Exit Off-Design Performance Prediction for a 10 MWe Supercritical CO 2 Axial Turbine

Efficiency Maximization of Allam Cycle at a Given Combustion Temperature

Test and Theory for a Refined Structural Model of a Hirth Coupling

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