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Proceedings Papers

Modeling and Simulation of the Cavitation Phenomenon in a Turbopump: A Multiphase Approach

Joris Cazé, Fabien Petitpas, Eric Daniel, Sébastien Le Martelot, Matthieu Queguineur
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A002, June 13–17, 2022
Paper No: GT2022-78025
DOI: https://doi.org/10.1115/GT2022-78025
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Topics: Cavitation, Modeling, Simulation, Flow (Dynamics), Pumps, Compressibility, Vapors, Computer simulation, Equations of state, Equilibrium (Physics)
Proceedings Papers

Experimental and Numerical Investigations of the Non-Equilibrium Condensation on the Performance and the Flow Pattern in Steam Turbine

Soichiro Tabata, Kiyoshi Segawa, Tadashi Takahashi, Jin Aoyagi
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A004, June 13–17, 2022
Paper No: GT2022-80191
DOI: https://doi.org/10.1115/GT2022-80191
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Topics: Condensation, Equilibrium (Physics), Flow (Dynamics), Steam turbines, Pressure, Computational fluid dynamics, Modeling, Turbines, Temperature
Proceedings Papers

CO Emission Modeling in a Heavy Duty Annular Combustor Operating With Natural Gas

R. Meloni, S. Gori, A. Andreini, P. C. Nassini
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A044, June 7–11, 2021
Paper No: GT2021-59202
DOI: https://doi.org/10.1115/GT2021-59202
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Topics: Combustion chambers, Emissions, Modeling, Natural gas, Flames, Equilibrium (Physics), Flamelet generated manifold, Combustion, Design, Flux (Metallurgy)
Proceedings Papers

Importance of Non-Equilibrium Modelling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A003, June 7–11, 2021
Paper No: GT2021-58645
DOI: https://doi.org/10.1115/GT2021-58645
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Topics: Compressors, Equilibrium (Physics), Modeling, Boundary layers, Reynolds-averaged Navier–Stokes equations, Blades, Engineering simulation, Engineering standards, Momentum, Shapes
Proceedings Papers

Non-Equilibrium Turbulence Modelling for Compressor Corner Separation Flows

Wei Sun
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A024, June 7–11, 2021
Paper No: GT2021-59468
DOI: https://doi.org/10.1115/GT2021-59468
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Topics: Compressors, Corners (Structural elements), Equilibrium (Physics), Flow (Dynamics), Modeling, Separation (Technology), Turbulence, Boundary layers, Blades, Reynolds-averaged Navier–Stokes equations
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

CFD Modeling of Pulverized Coal Combustion Using Relax to Chemical Equilibrium Model With Turbulence-Chemistry Interaction

Piyush Thakre, Graham Goldin
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A003, September 21–25, 2020
Paper No: GT2020-14190
DOI: https://doi.org/10.1115/GT2020-14190
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Topics: Chemistry, Coal, Combustion, Computational fluid dynamics, Equilibrium (Physics), Modeling, Turbulence, Nitrogen oxides, Particulate matter, Eddies (Fluid dynamics)
Proceedings Papers

A Novel Approach to the Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation Along the Premixing and Flame Zones

K. J. Syed, A. C. Benim, E. Pasqualotto, R. C. Payne
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A008, September 21–25, 2020
Paper No: GT2020-14225
DOI: https://doi.org/10.1115/GT2020-14225
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Topics: Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Combustion, Pressure, Chemical kinetics, Computational fluid dynamics, Design
Proceedings Papers

Managing the Pressure to Increase the H 2 Capacity Through a Natural Gas Transmission Network

Francis Bainier, Rainer Kurz, Philippe Bass
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T21A002, September 21–25, 2020
Paper No: GT2020-14043
DOI: https://doi.org/10.1115/GT2020-14043
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Topics: Natural gas, Pressure, Hydrogen, Steel, Fatigue, Flow (Dynamics), Gases, Natural gas distribution, Pipelines, Equilibrium (Physics)
Proceedings Papers

Wetness Measurement and Droplet Transport Analysis in Actual Steam Test on a Scaled Low Pressure Turbine

Yasuhiro Sasao, Kiyoshi Segawa, Takeshi Kudo, Ryo Takata, Masaki Osako, Satoru Yamamoto
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A025, September 21–25, 2020
Paper No: GT2020-16117
DOI: https://doi.org/10.1115/GT2020-16117
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Topics: Drops, Pressure, Steam, Turbines, Blades, Computational fluid dynamics, Probes, Steam turbines, Erosion, Errors
Proceedings Papers

Improvements of Experimental Research of Wet Steam in Turbines Using CFD Simulations

Michal Kolovratnik, Gukchol Jun
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A018, September 21–25, 2020
Paper No: GT2020-15018
DOI: https://doi.org/10.1115/GT2020-15018
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Topics: Computational fluid dynamics, Engineering simulation, Simulation, Steam, Turbines, Probes, Flow (Dynamics), Shapes, Steam turbines, Condensation
Proceedings Papers

How Is a Correct GT Combustor Heat Balance Established?

Hans E. Wettstein
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T08A001, September 21–25, 2020
Paper No: GT2020-14235
DOI: https://doi.org/10.1115/GT2020-14235
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Topics: Combustion chambers, Heat, Fuels, Temperature, Combustion, Methane, Cycles, Condensation, Flow (Dynamics), Gas turbines
Proceedings Papers

Quality Key Numbers of Gas Turbine Combined Cycles

Hans E. Wettstein
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T09A002, September 21–25, 2020
Paper No: GT2020-14508
DOI: https://doi.org/10.1115/GT2020-14508
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Topics: Combined cycles, Gas turbines, Cycles, Exergy, Design, Turbines, Compressors, Cooling, Aerodynamics, Condensation
Proceedings Papers

Deposition of Fuel Impurities Within Thermal Barrier Coatings in Gas Turbine Hot Gas Paths

Christian Holländer, Werner Stamm, Oliver Lüsebrink, Harald Harders, Lorenz Singheiser
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A003, September 21–25, 2020
Paper No: GT2020-14480
DOI: https://doi.org/10.1115/GT2020-14480
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Topics: Fuels, Gas turbines, Thermal barrier coatings, Diffusion (Physics), Equilibrium (Physics), Pressure, Vapor deposition, Blades, Condensation, Engines
Proceedings Papers

Numerical Analysis of Mass Flow Leakage Through Orifices for Supercritical CO 2 : Two-Phase Flow Effects

Ladislav Vesely, Akshay Khadse, Andres Curbelo, Jayanta S. Kapat, Luca Petrungaro
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A017, September 21–25, 2020
Paper No: GT2020-15927
DOI: https://doi.org/10.1115/GT2020-15927
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Topics: Flow (Dynamics), Leakage, Numerical analysis, Orifices, Supercritical carbon dioxide, Two-phase flow, Computational fluid dynamics, Compressors, Cycles, Equilibrium (Physics)
Proceedings Papers

Data-Tuned Fuzzy Logic Controller Applied to a Horizontal Axis Wind System

Lorenzo Dambrosio
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A016, September 21–25, 2020
Paper No: GT2020-15815
DOI: https://doi.org/10.1115/GT2020-15815
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Topics: Control equipment, Fuzzy logic, Wind, Algorithms, Generators, Wind turbines, Control algorithms, Equilibrium (Physics), Errors, Fuzzy control
Proceedings Papers

The Influence of Wake Chopping on Wet-Steam Turbine Modelling

Andrej Vasilj, Sebastian Schuster, Alexander White
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A022, September 21–25, 2020
Paper No: GT2020-15766
DOI: https://doi.org/10.1115/GT2020-15766
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Topics: Chopping (Physics), Modeling, Steam, Turbines, Wakes, Blades, Drops, Water, Condensation, Energy dissipation
Proceedings Papers

Numerical Investigations of Pollutant Emissions From Novel Heavy Duty Gas Turbine Burners Operated With Natural Gas

Daniele Pampaloni, Pier Carlo Nassini, Antonio Andreini, Bruno Facchini, Matteo Cerutti
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A022, June 17–21, 2019
Paper No: GT2019-91365
DOI: https://doi.org/10.1115/GT2019-91365
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Topics: Emissions, Gas turbines, Natural gas, Pollution, Flamelet generated manifold, Flames, Simulation, Nitrogen oxides, Computational fluid dynamics, Design
Proceedings Papers

Combustion and Emission Characteristics of a Lean Axial-Stage Combustor

Bernhard Stiehl, Tyler Worbington, Alexander Miegel, Scott Martin, Carlos Velez, Kareem Ahmed
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A044, June 17–21, 2019
Paper No: GT2019-91796
DOI: https://doi.org/10.1115/GT2019-91796
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Topics: Combustion, Combustion chambers, Emissions, Nitrogen oxides, Computational fluid dynamics, Flames, Flow (Dynamics), Pressure, Vortices, Chemical kinetics
Proceedings Papers

New Methods for Secondary Flow Phenomena Visualization and Analysis

Mattia Straccia, Rodolfo Hofmann, Volker Gümmer
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A029, June 17–21, 2019
Paper No: GT2019-91378
DOI: https://doi.org/10.1115/GT2019-91378
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Topics: Flow (Dynamics), Visualization, Vortices, Turbulence, Boundary layers, Rotors, Shock (Mechanics), Design, Engineering simulation, Equilibrium (Physics)