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Proceedings Papers

Predicting Emissions Across Design Variations of an Aero-Engine Combustor Using FGM and PISO

Megan Karalus, Dustin Brandt, Liam McManus, Erik Munktell

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A017, June 13–17, 2022

Paper No: GT2022-82291

DOI: https://doi.org/10.1115/GT2022-82291

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Topics: Aircraft engines, Combustion chambers, Design, Emissions, Flamelet generated manifold, Modeling, Pressure, Carbon monoxide, Combustion, Cooling

Proceedings Papers

Heat Transfer and Pressure Loss Correlations for Leading Edge, Jet Impingement Using Racetrack-Shaped Jets With Filleted Edges

Ritwik V. Kulkarni, Lesley M. Wright

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A003, June 13–17, 2022

Paper No: GT2022-79362

DOI: https://doi.org/10.1115/GT2022-79362

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Topics: Heat transfer, Jets, Pressure, Discharge coefficient, Engines, Orifices, Airfoils, Casting, Coolants, Cooling

Proceedings Papers

Gas Turbine Secondary Air Systems Modeling

Mustafa Kocagul, A. Cihat Arıkan, Omer Uyav, Avni Ertas, James Bruns, Aditya Jayanthi

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A021, June 13–17, 2022

Paper No: GT2022-84308

DOI: https://doi.org/10.1115/GT2022-84308

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Topics: Cavities, Gas turbines, Modeling, Orifices

Proceedings Papers

Experimental Investigation of Acoustic Characteristic on Orifice Shaped With Bias Flow

Melvin Ikwubuo, Jinkwan Song, Jong Guen Lee

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A033, June 7–11, 2021

Paper No: GT2021-60118

DOI: https://doi.org/10.1115/GT2021-60118

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Topics: Acoustics, Combustion, Dynamics (Mechanics), Flow (Dynamics), Orifices, Combustion chambers, S-matrix theory, Waves, Aerodynamic noise, Boundary-value problems

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

An Integrated Approach to Simulate Gas Turbine Secondary Air System

Ali Izadi, Seyed Hossein Madani, Seyed Vahid Hosseini, Mahmoud Chizari

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A014, September 21–25, 2020

Paper No: GT2020-14966

DOI: https://doi.org/10.1115/GT2020-14966

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Topics: Gas turbines, Flow (Dynamics), Design, Turbines, Computational fluid dynamics, Coolants, Disks, Engines, Heat transfer, Modeling

Proceedings Papers

Influence of Labyrinth Clearance on the Flow of Rotating Orifices in a Parallel Labyrinth-Orifice System

Jie Wang, Shuiting Ding, Tian Qiu, Ziqiang Gao

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A020, September 21–25, 2020

Paper No: GT2020-15296

DOI: https://doi.org/10.1115/GT2020-15296

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Topics: Clearances (Engineering), Discharge coefficient, Flow (Dynamics), Orifices

Proceedings Papers

Adiabatic Film Cooling Effectiveness Measurement of High Performance Combustion Liner Slot Jets

Wilmer Flores, Andres Curbelo, Luisana Calderon, Jayanta S. Kapat, Kareem Ahmed

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A023, June 17–21, 2019

Paper No: GT2019-91783

DOI: https://doi.org/10.1115/GT2019-91783

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Topics: Combustion, Film cooling, Jets, Pressure, Absorption, Flow (Dynamics), Fracture (Materials), Fracture (Process), Geometry, Orifices

Proceedings Papers

An Instrumented High-Speed Rotor With Embedded Telemetry for the Continuous Spatial Pressure Profile Measurement in Gas Lubricated Bearings: A Proof of Concept

K. Shalash, J. Schiffmann

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A026, June 17–21, 2019

Paper No: GT2019-90983

DOI: https://doi.org/10.1115/GT2019-90983

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Topics: Bearings, Pressure, Rotors, Telemetry, Bushings, Calibration, Journal bearings, Probes, Flow (Dynamics), Orifices

Proceedings Papers

Experimental Investigation of the Discharge Behavior of Cavitating and Non-Cavitating Flow Through Rotating Radial Orifices

Laura Cordes, Corina Schwitzke, Hans-Jörg Bauer

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT42A001, June 17–21, 2019

Paper No: GT2019-90213

DOI: https://doi.org/10.1115/GT2019-90213

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Topics: Flow (Dynamics), Orifices, Cavitation, Discharge coefficient, Density, Ducts, Kinematics, Reynolds number, Rotors, Viscosity

Proceedings Papers

Compressor Instability Analysis Within an Hybrid System Subject to Cycle Uncertainties

Alessandra Cuneo, Alberto Traverso, Aristide F. Massardo

Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A016, June 11–15, 2018

Paper No: GT2018-76504

DOI: https://doi.org/10.1115/GT2018-76504

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Topics: Compressors, Cycles, Uncertainty, Surges, Transients (Dynamics), Energy / power systems, Fuel cells, Simulation, Scram, Temperature

Proceedings Papers

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Ümit Mermertas, Thomas Hagemann, Clément Brichart

Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A035, June 11–15, 2018

Paper No: GT2018-76766

DOI: https://doi.org/10.1115/GT2018-76766

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Topics: Journal bearings, Modeling, Optimization, Steam turbines, Bearings, Rotors, Temperature, Clearances (Engineering), Computation, Computer software

Proceedings Papers

Drag and Heat Reduction Mechanism of the Porous Opposing Jet for Variable Blunt Hypersonic Vehicles

Shibin Li, Wei Huang, Zhenguo Wang, Li Yan

Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT18A001, June 11–15, 2018

Paper No: GT2018-75151

DOI: https://doi.org/10.1115/GT2018-75151

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Topics: Drag (Fluid dynamics), Heat, Vehicles, Drag reduction, Orifices, Aerodynamics, Design, Disks, Flow (Dynamics), Heating

Proceedings Papers

Hot Gas Ingestion Model Employing Flow Network With Axisymmetric Solvers

Yong W. Kim, Michael N. Okpara, Hans Hamm, Ramendra P. Roy, Hee-Koo Moon

Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A034, June 11–15, 2018

Paper No: GT2018-77055

DOI: https://doi.org/10.1115/GT2018-77055

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Topics: Flow (Dynamics), Cavities, Disks, Discharge coefficient, Geometry, Pressure, Sealing (Process), Turbines, Carbon dioxide, Cavity flows

Proceedings Papers

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Behzad Zamanian Yazdi, Daejong Kim

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A029, June 11–15, 2018

Paper No: GT2018-75983

DOI: https://doi.org/10.1115/GT2018-75983

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Topics: Foil bearings, Rotors, Orifices, Stability, Bearings, Damping, Film thickness, High temperature, Modal analysis, Simulation

Proceedings Papers

Transient Simulation of Critical Flow With Thermal-Hydraulic System Analysis Code for Supercritical CO 2 Applications

Min Seok Kim, Bong Seong Oh, Jin Su Kwon, Hwa-Young Jung, Jeong Ik Lee

Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A010, June 26–30, 2017

Paper No: GT2017-63549

DOI: https://doi.org/10.1115/GT2017-63549

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Topics: Flow (Dynamics), Simulation, Supercritical carbon dioxide, Systems analysis, Transients (Dynamics), Sodium fast reactors, Brayton cycle, Carbon dioxide, Leakage flows, Pressure

Proceedings Papers

Experimental Study on Pressure Losses in Circular Orifices With Inlet Cross Flow

Daniel Feseker, Mats Kinell, Matthias Neef

Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A018, June 26–30, 2017

Paper No: GT2017-64143

DOI: https://doi.org/10.1115/GT2017-64143

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Topics: Cross-flow, Orifices, Pressure, Discharge coefficient, Flow (Dynamics), Gas turbines, Air flow, Blades, Cooling, Disks

Proceedings Papers

The Dynamic Characteristic Analysis of Elastic Ring Squeeze Film Damper by Fluid-Structure Interaction Approach

ZhenLin Wang, Ning Xu, XiangYu Yu, ZhanSheng Liu, GuangHui Zhang

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A005, June 26–30, 2017

Paper No: GT2017-63276

DOI: https://doi.org/10.1115/GT2017-63276

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Topics: Dampers, Fluid structure interaction, Deformation, Film thickness, Aircraft engines, Cavitation, Computational fluid dynamics, Computer simulation, Damping, Finite element methods

Proceedings Papers

On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)

Luis San Andrés, Sean Den, Sung-Hwa Jeung

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A003, June 26–30, 2017

Paper No: GT2017-63152

DOI: https://doi.org/10.1115/GT2017-63152

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Topics: Dampers, Damping, Lubricants, Pressure, Inertia (Mechanics), Aircraft engines, Bridges (Structures), Clearances (Engineering), Design, Excitation

Proceedings Papers

Measurements Versus Predictions for a Hybrid (Hydrostatic Plus Hydrodynamic) Thrust Bearing for a Range of Orifice Diameters

Dara W. Childs, Paul Esser

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A003, June 13–17, 2016

Paper No: GT2016-56213

DOI: https://doi.org/10.1115/GT2016-56213

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Topics: Hydrostatics, Thrust bearings, Bearings, Flow (Dynamics), Fluid films, Orifices, Pressure, Rotors, Stiffness, Water

NARROW

Predicting Emissions Across Design Variations of an Aero-Engine Combustor Using FGM and PISO

Heat Transfer and Pressure Loss Correlations for Leading Edge, Jet Impingement Using Racetrack-Shaped Jets With Filleted Edges

Gas Turbine Secondary Air Systems Modeling

Experimental Investigation of Acoustic Characteristic on Orifice Shaped With Bias Flow

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

An Integrated Approach to Simulate Gas Turbine Secondary Air System

Influence of Labyrinth Clearance on the Flow of Rotating Orifices in a Parallel Labyrinth-Orifice System

Adiabatic Film Cooling Effectiveness Measurement of High Performance Combustion Liner Slot Jets

An Instrumented High-Speed Rotor With Embedded Telemetry for the Continuous Spatial Pressure Profile Measurement in Gas Lubricated Bearings: A Proof of Concept

Experimental Investigation of the Discharge Behavior of Cavitating and Non-Cavitating Flow Through Rotating Radial Orifices

Compressor Instability Analysis Within an Hybrid System Subject to Cycle Uncertainties

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Drag and Heat Reduction Mechanism of the Porous Opposing Jet for Variable Blunt Hypersonic Vehicles

Hot Gas Ingestion Model Employing Flow Network With Axisymmetric Solvers

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Transient Simulation of Critical Flow With Thermal-Hydraulic System Analysis Code for Supercritical CO 2 Applications

Experimental Study on Pressure Losses in Circular Orifices With Inlet Cross Flow

The Dynamic Characteristic Analysis of Elastic Ring Squeeze Film Damper by Fluid-Structure Interaction Approach

On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)

Measurements Versus Predictions for a Hybrid (Hydrostatic Plus Hydrodynamic) Thrust Bearing for a Range of Orifice Diameters

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