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Proceedings Papers

Flutter Parameter Study on a Complex Inlet Swirl Distortion Generator

Cole Hefner, Stephen Guillot, John Gillespie, Andrew Hayden, Todd Lowe, Alexandrina Untaroiu
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124102
https://doi.org/10.1115/GT2024-124102
View Paper titled, Flutter Parameter Study on a Complex Inlet Swirl Distortion Generator
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Topics: Computational fluid dynamics, Flutter (Aerodynamics), Generators, Flow (Dynamics), Separation (Technology), Chords (Trusses), Compressors, Corners (Structural elements), Deformation, Excitation
Journal Articles

Predicting the Performance of Turbine Exhaust Diffuser-Collector Systems Across the Operating Range: Comparison of Lattice-Boltzmann Method Simulations With Experiments

Matthew Langford, Michal Siorek, Stephen Guillot, Wing F. Ng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091009.
Paper No: GTP-23-1679
https://doi.org/10.1115/1.4064591
Published Online: March 11, 2024
View Articletitled, Predicting the Performance of Turbine Exhaust Diffuser-Collector Systems Across the Operating Range: Comparison of Lattice-Boltzmann Method Simulations With Experiments
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Topics: Diffusers, Exhaust systems, Flow (Dynamics), Simulation, Pressure, Turbines, Design, Reynolds-averaged Navier–Stokes equations, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Predicting the Performance of Turbine Exhaust Diffuser-Collector Systems Across the Operating Range: Comparison of Lattice-Boltzmann Method Simulations With Experiments

Matthew Langford, Michal Siorek, Stephen Guillot, Wing F. Ng
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100867
https://doi.org/10.1115/GT2023-100867
View Paper titled, Predicting the Performance of Turbine Exhaust Diffuser-Collector Systems Across the Operating Range: Comparison of Lattice-Boltzmann Method Simulations With Experiments
Open the PDF for Predicting the Performance of Turbine Exhaust Diffuser-Collector Systems Across the Operating Range: Comparison of Lattice-Boltzmann Method Simulations With Experiments in another window
Topics: Computational fluid dynamics, Diffusers, Exhaust systems, Gas turbines, Lattice Boltzmann methods, Simulation, Turbines
Proceedings Papers

Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part II — Effect of Inlet Flow Profiles at On- and Off-Design Conditions

Kenneth Brown, Stephen Guillot, Wing Ng, Lee Iksang, Kim Dongil, Giwon Hong
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-03719
https://doi.org/10.1115/GT2021-03719
View Paper titled, Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part II — Effect of Inlet Flow Profiles at On- and Off-Design Conditions
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Topics: Design, Diffusers, Flow (Dynamics), Gas turbines, Pressure, Reynolds number
Proceedings Papers

Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part I — Parametric Analysis of Influential Variables

Kenneth Brown, Stephen Guillot, Wing Ng, Lee Iksang, Kim Dongil, Giwon Hong
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15299
https://doi.org/10.1115/GT2020-15299
View Paper titled, Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part I — Parametric Analysis of Influential Variables
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Topics: Design, Diffusers, Flow (Dynamics), Gas turbines, Kinetic energy, Pressure
Journal Articles

A Sensitivity Study of Gas Turbine Exhaust Diffuser-Collector Performance at Various Inlet Swirl Angles and Strut Stagger Angles

Michal P. Siorek, Stephen Guillot, Song Xue, Wing F. Ng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072602.
Paper No: GTP-17-1411
https://doi.org/10.1115/1.4038856
Published Online: April 20, 2018
View Articletitled, A Sensitivity Study of Gas Turbine Exhaust Diffuser-Collector Performance at Various Inlet Swirl Angles and Strut Stagger Angles
Open the PDF for A Sensitivity Study of Gas Turbine Exhaust Diffuser-Collector Performance at Various Inlet Swirl Angles and Strut Stagger Angles in another window
Topics: Diffusers, Exhaust systems, Flow (Dynamics), Struts (Engineering), Computational fluid dynamics, Pressure
Proceedings Papers

A Sensitivity Study of Gas Turbine Exhaust Diffuser-Collector Performance at Various Inlet Swirl Angles and Strut Stagger Angles

Michal P. Siorek, Stephen Guillot, Song Xue, Wing F. Ng
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT42A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63126
https://doi.org/10.1115/GT2017-63126
View Paper titled, A Sensitivity Study of Gas Turbine Exhaust Diffuser-Collector Performance at Various Inlet Swirl Angles and Strut Stagger Angles
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Topics: Diffusers, Exhaust systems, Gas turbines, Struts (Engineering), Design, Flow (Dynamics), Computational fluid dynamics, Turbines, Flow visualization, Industrial gases
Journal Articles

An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries

Song Xue, Stephen Guillot, Wing F. Ng, Jon Fleming, K. Todd Lowe, Nihar Samal, Ulrich E. Stang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2016, 138(9): 092603.
Paper No: GTP-15-1526
https://doi.org/10.1115/1.4032738
Published Online: March 22, 2016
View Articletitled, An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries
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Topics: Diffusers, Flow (Dynamics), Struts (Engineering), Pressure, Flow visualization, Exhaust systems
Proceedings Papers

An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries

Song Xue, Stephen Guillot, Wing F. Ng, Jon Fleming, K. Todd Lowe, Nihar Samal, Ulrich E. Stang
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A010, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42325
https://doi.org/10.1115/GT2015-42325
View Paper titled, An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries
Open the PDF for An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries in another window
Topics: Diffusers, Exhaust systems, Struts (Engineering), Turbines, Pressure, Flow (Dynamics), Engines, Flow visualization, Gas turbines, Geometry
Proceedings Papers

The Experimental Studies of Improving the Aerodynamic Performance of a Turbine Exhaust System

Stephen Guillot, Wing F. Ng, Hans D. Hamm, Ulrich E. Stang, Kevin T. Lowe
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A012, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25481
https://doi.org/10.1115/GT2014-25481
View Paper titled, The Experimental Studies of Improving the Aerodynamic Performance of a Turbine Exhaust System
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Topics: Exhaust systems, Turbines, Pressure, Reynolds number, Geometry, Mach number, Testing, Computational fluid dynamics, Design, Diffusers
Journal Articles

The Experimental Studies of Improving the Aerodynamic Performance of a Turbine Exhaust System

Stephen Guillot, Wing F. Ng, Hans D. Hamm, Ulrich E. Stang, Kevin T. Lowe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2015, 137(1): 012601.
Paper No: GTP-14-1343
https://doi.org/10.1115/1.4028020
Published Online: August 5, 2014
View Articletitled, The Experimental Studies of Improving the Aerodynamic Performance of a Turbine Exhaust System
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Topics: Diffusers, Flow (Dynamics), Pressure, Geometry
Proceedings Papers

Numerical Study of Embedded Supersonic Compressor Stages

Severin G. Kempf, Stephen Guillot, Wing Fai Ng, Steven R. Wellborn, Randall M. Chriss
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 237-246, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68611
https://doi.org/10.1115/GT2005-68611
View Paper titled, Numerical Study of Embedded Supersonic Compressor Stages
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Topics: Compressors, Rotors, Shock (Mechanics), Computational fluid dynamics, Blades, Boundary-value problems, Computer simulation, Flow (Dynamics), NASA, Turbulence