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Proceedings Papers

Effect of Inert Species on the Static and Dynamic Stability of a Piloted, Swirl-Stabilized Flame

Javier Rodriguez Camacho, Michel Akiki, James Blust, Jacqueline O’Connor
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A056, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102318
https://doi.org/10.1115/GT2023-102318
View Paper titled, Effect of Inert Species on the Static and Dynamic Stability of a Piloted, Swirl-Stabilized Flame
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Topics: Dynamic stability, Flames
Proceedings Papers

A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

José Torres, Luis San Andrés, Jing Yang
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82280
https://doi.org/10.1115/GT2022-82280
View Paper titled, A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation
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Topics: Dampers, Leakage, Clearances (Engineering), Compressors, Damping, Pressure, Two-phase flow, Blades, Computational fluid dynamics, Density
Proceedings Papers

Impact of Central Piloting on the Static and Dynamic Stability of Swirl-Stabilized Flames

Daniel Doleiden, Ashwini Karmarkar, Jacqueline O’Connor, James Blust
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80226
https://doi.org/10.1115/GT2022-80226
View Paper titled, Impact of Central Piloting on the Static and Dynamic Stability of Swirl-Stabilized Flames
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Topics: Dynamic stability, Flames
Proceedings Papers

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation

Fernando Biagioli, Holger Luebcke, Ammar Lamraoui, Khawar J. Syed, André Theuer
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A025, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82592
https://doi.org/10.1115/GT2022-82592
View Paper titled, Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation
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Topics: Combustion, Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Fuels, Mach number, Flow (Dynamics), Pressure drop
Proceedings Papers

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

Jihang Li, Hyunguk Kwon, Drue Seksinsky, Daniel Doleiden, Jacqueline O’Connor, Yuan Xuan, Michel Akiki, James Blust
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A040, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59117
https://doi.org/10.1115/GT2021-59117
View Paper titled, Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations
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Topics: Flames, Simulation, Combustion chambers, Oscillations, Combustion, Flow (Dynamics), Emissions, Gas turbines, Gases, Acoustics
Proceedings Papers

On the Effect and Analysis of Fluid-Structural Mode Coupling

Mani Sadeghi, Ming-Ta Yang, Huan-Min Shang, Eric Grover
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15083
https://doi.org/10.1115/GT2020-15083
View Paper titled, On the Effect and Analysis of Fluid-Structural Mode Coupling
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Topics: Acoustics, Aerodynamics, Aeroelasticity, Aircraft, Cycles, Design, Dynamic stability, Dynamics (Mechanics), Eigenvalues, Flow (Dynamics)
Proceedings Papers

Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons With Prior Test Results for a Three Wave Seal

Xueliang Lu, Luis San Andrés, Tingcheng Wu
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A008, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90254
https://doi.org/10.1115/GT2019-90254
View Paper titled, Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons With Prior Test Results for a Three Wave Seal
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Topics: Leakage, Pumps, Waves, Damping, Clearances (Engineering), Flow (Dynamics), Pressure drop, Stiffness, Wear, Boilers
Proceedings Papers

Impact of Different Volume Sizes on Dynamic Stability of a Gas Turbine Fuel Cell Hybrid System

Alessio Abrassi, Alberto Traverso, David Tucker, Eric Liese
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A023, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91585
https://doi.org/10.1115/GT2019-91585
View Paper titled, Impact of Different Volume Sizes on Dynamic Stability of a Gas Turbine Fuel Cell Hybrid System
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Topics: Dynamic stability, Fuel cells, Gas turbines, Surges, Compressors, Dynamic models, Flow (Dynamics), Micro gas turbines, Modeling, Plant layout
Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions

Xueliang Lu, Luis San Andrés
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75200
https://doi.org/10.1115/GT2018-75200
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions
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Topics: Leakage, Waves, Clearances (Engineering), Flow (Dynamics), Pumps, Stiffness, Damping, Pressure, Rotors, Collapse
Proceedings Papers

Effect of Pilot Flame on Flame Macrostructure and Combustion Instability

Jihang Li, Stephen Peluso, Bryan Quay, Domenic Santavicca, James Blust, Ram Srinivasan
Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A064, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64079
https://doi.org/10.1115/GT2017-64079
View Paper titled, Effect of Pilot Flame on Flame Macrostructure and Combustion Instability
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Topics: Combustion, Flames, Dynamic stability, Fuels, Chemiluminescence, Combustion chambers, Natural gas, Nozzles, Pressure, Stability
Proceedings Papers

The Influence of Lubricant Supply Conditions and Bearing Configuration on the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers

Luis San Andrés, Feng Yu, Kostandin Gjika
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A030, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64839
https://doi.org/10.1115/GT2017-64839
View Paper titled, The Influence of Lubricant Supply Conditions and Bearing Configuration on the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers
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Topics: Bearings, Lubricants, Turbochargers, Flow (Dynamics), Temperature, Pressure, Heat, Thermal energy, Drag (Fluid dynamics), Shear (Mechanics)
Proceedings Papers

Oil-Free Automotive Turbochargers: Drag Friction and On-Engine Performance Comparisons to Oil-Lubricated Commercial Turbochargers

Keun Ryu, Zachary Ashton
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A034, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57855
https://doi.org/10.1115/GT2016-57855
View Paper titled, Oil-Free Automotive Turbochargers: Drag Friction and On-Engine Performance Comparisons to Oil-Lubricated Commercial Turbochargers
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Topics: Drag (Fluid dynamics), Engines, Friction, Turbochargers, Rotors, Bearings, Reliability, Shorelines, Wear, Compressors
Proceedings Papers

The 3-D Structure of Swirl-Stabilized Flames in a Lean Premixed Multi-Nozzle Can Combustor

Janith Samarasinghe, Stephen J. Peluso, Bryan D. Quay, Domenic A. Santavicca
Proc. ASME. GT2015, Volume 4A: Combustion, Fuels and Emissions, V04AT04A015, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42167
https://doi.org/10.1115/GT2015-42167
View Paper titled, The 3-D Structure of Swirl-Stabilized Flames in a Lean Premixed Multi-Nozzle Can Combustor
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Topics: Combustion chambers, Flames, Nozzles, Combustion, Gas turbines, Chemiluminescence, Combustion systems, Design, Dynamic stability, Stability
Proceedings Papers

Analytical and Experimental Investigation of the Stability of the Rotor-Bearing System of a New Small Turbocharger

H. R. Born
Proc. ASME. GT1987, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T04A003, May 31–June 4, 1987
Publisher: American Society of Mechanical Engineers
Paper No: 87-GT-110
https://doi.org/10.1115/87-GT-110
View Paper titled, Analytical and Experimental Investigation of the Stability of the Rotor-Bearing System of a New Small Turbocharger
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Topics: Bearings, Rotors, Stability, Turbochargers, Design, Turbines, Compressors, Dampers, Dynamic stability, Flow (Dynamics)
Proceedings Papers

A Bulk Flow Model of a Brush Seal System

R. C. Hendricks, S. Schlumberger, M. J. Braun, F. Choy, R. L. Mullen
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A099, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-325
https://doi.org/10.1115/91-GT-325
View Paper titled, A Bulk Flow Model of a Brush Seal System
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Topics: Flow (Dynamics), Coatings, Wear, Design, Dynamic stability, Excitation, Fibers, Filters, Fluids, Leakage
Proceedings Papers

Pressure Oscillations Occurring in a Centrifugal Compressor System With and Without Passive and Active Surge Control

Wiktor M. Jungowski, Marvin H. Weiss, Glenn R. Price
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A043, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-133
https://doi.org/10.1115/94-GT-133
View Paper titled, Pressure Oscillations Occurring in a Centrifugal Compressor System With and Without Passive and Active Surge Control
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Topics: Compressors, Oscillations, Pressure, Surges, Flow (Dynamics), Pipes, Valves, Capacitance, Dynamic stability, Lumped parameter models
Proceedings Papers

The Influence of Outlet Stator Part Surface Roughness on the Performance of a Very Low Flow Coefficient Centrifugal Compressor Stage

Jan Paroubek, Václav Cyrus, Jiři Kynčl
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A063, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-179
https://doi.org/10.1115/96-GT-179
View Paper titled, The Influence of Outlet Stator Part Surface Roughness on the Performance of a Very Low Flow Coefficient Centrifugal Compressor Stage
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Topics: Compressors, Flow (Dynamics), Stators, Surface roughness, Surface quality, Vaneless diffusers, Design, Dynamic stability, Mach number, Pressure
Proceedings Papers

Stability Analysis and Testing of a Train of Centrifugal Compressors for High Pressure Gas Injection

Edmund A. Memmott
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A028, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-378
https://doi.org/10.1115/98-GT-378
View Paper titled, Stability Analysis and Testing of a Train of Centrifugal Compressors for High Pressure Gas Injection
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Topics: Compressors, High pressure (Physics), Stability, Testing, Trains, Pressure, Bearings, Dampers, Dynamic stability, Gas turbines
Proceedings Papers

Representing Flexible Supports by Polynomial Transfer Functions

José A. Vázquez, Lloyd E. Barrett
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A008, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-027
https://doi.org/10.1115/98-GT-027
View Paper titled, Representing Flexible Supports by Polynomial Transfer Functions
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Topics: Polynomials, Transfer functions, Rotors, Bearings, Degrees of freedom, Stability, Dynamics (Mechanics), Computers, Damping, Dynamic stability
Proceedings Papers

Dynamic Stability in a Cracked Turbo Blade-Disk

J. H. Kuang, B. W. Huang
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A049, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-411
https://doi.org/10.1115/99-GT-411
View Paper titled, Dynamic Stability in a Cracked Turbo Blade-Disk
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Topics: Blades, Disks, Dynamic stability, Turbochargers, Stability, Fracture (Materials), Equations of motion, Hamilton's principle, Rotation, Stiffness