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Proceedings Papers

Numerical Simulation on the Vortex Shedding From Airfoils of a Swirl Distortion Generator

Andrew Hayden, Cole Hefner, Alexandrina Untaroiu, John Gillespie, K. Todd Lowe

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A005, June 7–11, 2021

Paper No: GT2021-58963

DOI: https://doi.org/10.1115/GT2021-58963

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Topics: Airfoils, Computer simulation, Generators, Vortex shedding, Boundary layers, Turning angles, Aircraft, Cascades (Fluid dynamics), Computational fluid dynamics, Design

Proceedings Papers

Non-Circular and Non-Cylindrical Streamvanes

John Gillespie, K. Todd Lowe

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A031, September 21–25, 2020

Paper No: GT2020-15763

DOI: https://doi.org/10.1115/GT2020-15763

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Topics: Aircraft, Computational fluid dynamics, Conceptual design, Diffusers, Ducts, Engines, Errors, Flight, Flow (Dynamics), Geometry

Proceedings Papers

Development, Analysis, and Validation of a Simultaneous Inlet Total Pressure and Swirl Distortion Generator

Dustin J. Frohnapfel, K. Todd Lowe, Walter F. O’Brien

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A038, September 21–25, 2020

Paper No: GT2020-16125

DOI: https://doi.org/10.1115/GT2020-16125

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Topics: Generators, Pressure, Turbofans

Proceedings Papers

On the Application of Particle Image Velocimetry for Turbofan Engine Flow Quantification

Dillon P. Sluss, William M. George, K. Todd Lowe

Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A027, June 17–21, 2019

Paper No: GT2019-92064

DOI: https://doi.org/10.1115/GT2019-92064

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Topics: Engine flow, Particulate matter, Turbofans, Imaging, Endoscopic devices, Ducts, Engines, Lenses (Optics), Uncertainty, Flow (Dynamics)

Proceedings Papers

Turbofan Nose Cone Interactions With Inlet Swirl

Dustin J. Frohnapfel, Elizabeth Mack, Alexandrina Untaroiu, Walter F. O’Brien, K. Todd Lowe

Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A032, June 11–15, 2018

Paper No: GT2018-76616

DOI: https://doi.org/10.1115/GT2018-76616

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Topics: Turbofans, Fluids, Ducts, Engines, Architecture, Aviation, Computational fluid dynamics, Flow (Dynamics), Geometry, Modeling

Journal Articles

Complex Flow Generation and Development in a Full-Scale Turbofan Inlet

Tamara Guimarães, K. Todd Lowe, Walter F. O'Brien

J. Eng. Gas Turbines Power. August 2018, 140(8): 082606.

Paper No: GTP-17-1545

DOI: https://doi.org/10.1115/1.4039179

Published Online: May 14, 2018

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Topics: Engines, Flow (Dynamics), Turbulence, Turbofans, Vortices, Aircraft, Stress

Journal Articles

Experimental Quantification of Fan Rotor Effects on Inlet Swirl Using Swirl Distortion Descriptors

Dustin J. Frohnapfel, K. Todd Lowe, Walter F. O'Brien

J. Eng. Gas Turbines Power. August 2018, 140(8): 082603.

Paper No: GTP-17-1631

DOI: https://doi.org/10.1115/1.4039425

Published Online: May 3, 2018

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Topics: Engines, Flow (Dynamics), Rotors, Vortices, Design, Turbofans

Proceedings Papers

Application of Proper Orthogonal Decomposition to High Speed Imaging for the Study of Combustion Oscillations

Siddhartha Gadiraju, Suhyeon Park, David Gomez-Ramirez, Srinath V. Ekkad, K. Todd Lowe, Hee-Koo Moon, Yong Kim, Ram Srinivasan

Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A031, June 26–30, 2017

Paper No: GT2017-64602

DOI: https://doi.org/10.1115/GT2017-64602

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Topics: Combustion, Imaging, Oscillations, Principal component analysis, Flames, Fuels, Combustion chambers, Nozzles, Pressure measurement, Reynolds number

Proceedings Papers

Complex Flow Generation and Development in a Full-Scale Turbofan Inlet

Tamara Guimarães, K. Todd Lowe, Walter F. O’Brien

Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT42A012, June 26–30, 2017

Paper No: GT2017-64756

DOI: https://doi.org/10.1115/GT2017-64756

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Topics: Flow (Dynamics), Turbofans, Engines, Vortices, Aircraft, Inflow, Stress, Swirling flow, Turbulence, Aerodynamics

Proceedings Papers

Experimental Quantification of Fan Rotor Effects on Inlet Swirl Using Swirl Distortion Descriptors

Dustin J. Frohnapfel, Walter F. O’Brien, K. Todd Lowe

Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT42A013, June 26–30, 2017

Paper No: GT2017-64779

DOI: https://doi.org/10.1115/GT2017-64779

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Topics: Rotors, Engines, Flow (Dynamics), Design, Turbofans, Aircraft, Architecture, Generators

Proceedings Papers

Analysis of Base-Cooled Total Temperature Probes With Radiation

Joseph A. Schetz, Tyler Vincent, K. Todd Lowe

Proc. ASME. IMECE2016, Volume 1: Advances in Aerospace Technology, V001T03A047, November 11–17, 2016

Paper No: IMECE2016-65130

DOI: https://doi.org/10.1115/IMECE2016-65130

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Topics: Probes, Radiation (Physics), Temperature, Heat conduction, Convection, Design, Flow (Dynamics), Computational methods, Errors, Heat transfer

Journal Articles

A Diagnostic Technique for Particle Characterization Using Laser Light Extinction

Kris Barboza, Lin Ma, K. Todd Lowe, Srinath Ekkad, Wing Ng

J. Eng. Gas Turbines Power. November 2016, 138(11): 111601.

Paper No: GTP-15-1466

DOI: https://doi.org/10.1115/1.4033468

Published Online: May 17, 2016

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Topics: Lasers, Particulate matter, Wavelength, Particle size

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

J. Eng. Gas Turbines Power. September 2016, 138(9): 092603.

Paper No: GTP-15-1526

DOI: https://doi.org/10.1115/1.4032738

Published Online: March 22, 2016

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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

Paper No: GT2015-42325

DOI: https://doi.org/10.1115/GT2015-42325

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Topics: Diffusers, Exhaust systems, Struts (Engineering), Turbines, Pressure, Flow (Dynamics), Engines, Flow visualization, Gas turbines, Geometry

Proceedings Papers

A Diagnostic Technique for Particle Characterization Using Laser Light Extinction

Kris Barboza, Lin Ma, K. Todd Lowe, Srinath Ekkad, Wing Ng

Proc. ASME. GT2015, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy; Honors and Awards, V006T05A021, June 15–19, 2015

Paper No: GT2015-43347

DOI: https://doi.org/10.1115/GT2015-43347

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Topics: Lasers, Particulate matter, Aircraft, Engines, Absorption, Density, Disperse systems, Dust, Electromagnetic scattering, Latex

Journal citation

NARROW

Numerical Simulation on the Vortex Shedding From Airfoils of a Swirl Distortion Generator

Non-Circular and Non-Cylindrical Streamvanes

Development, Analysis, and Validation of a Simultaneous Inlet Total Pressure and Swirl Distortion Generator

On the Application of Particle Image Velocimetry for Turbofan Engine Flow Quantification

Turbofan Nose Cone Interactions With Inlet Swirl

Complex Flow Generation and Development in a Full-Scale Turbofan Inlet

Experimental Quantification of Fan Rotor Effects on Inlet Swirl Using Swirl Distortion Descriptors

Application of Proper Orthogonal Decomposition to High Speed Imaging for the Study of Combustion Oscillations

Complex Flow Generation and Development in a Full-Scale Turbofan Inlet

Experimental Quantification of Fan Rotor Effects on Inlet Swirl Using Swirl Distortion Descriptors

Analysis of Base-Cooled Total Temperature Probes With Radiation

A Diagnostic Technique for Particle Characterization Using Laser Light Extinction

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

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

A Diagnostic Technique for Particle Characterization Using Laser Light Extinction

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