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John Gillespie
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Proceedings Papers

An Evaluation of Hybrid RANS-LES Turbulence Modeling on Vortex Shedding From Complex Turning Vanes

Andrew P. Hayden, Alexandrina Untaroiu, John Gillespie, Cole Hefner, Todd Lowe
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T02A003, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130835
https://doi.org/10.1115/FEDSM2024-130835
View Paper titled, An Evaluation of Hybrid RANS-LES Turbulence Modeling on Vortex Shedding From Complex Turning Vanes
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Topics: Modeling, Reynolds-averaged Navier–Stokes equations, Turbulence, Turning vanes, Vortex shedding
Journal Articles

Wake Dynamics of Complex Turning Vanes Using Time-Resolved Particle Image Velocimetry Measurements

Andrew P. Hayden, John Gillespie, Cole Hefner, K. Todd Lowe, Alexandrina Untaroiu
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2025, 147(1): 011501.
Paper No: FE-23-1522
https://doi.org/10.1115/1.4065963
Published Online: August 29, 2024
View Article titled, Wake Dynamics of Complex Turning Vanes Using Time-Resolved Particle Image Velocimetry Measurements
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Topics: Dynamics (Mechanics), Flow (Dynamics), Particle image velocimetry, Turning vanes, Wakes, Junctions, Turning angles, Principal component analysis
Proceedings Papers

Analysis of Complex Total Pressure Distortion Screens Using 1-Dimensional Loss Data

John Gillespie, Andrew Hayden, Todd Lowe, Alexandrina Untaroiu, Chase Nessler
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A029, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124103
https://doi.org/10.1115/GT2024-124103
View Paper titled, Analysis of Complex Total Pressure Distortion Screens Using 1-Dimensional Loss Data
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Topics: Pressure, Flow (Dynamics), Wire mesh, Computational fluid dynamics, Design, Testing
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
Proceedings Papers

Wake Dynamics of Complex Turning Vanes Using Time-Resolved Particle Image Velocimetry Measurements

Andrew P. Hayden, John Gillespie, Cole Hefner, Todd Lowe, Alexandrina Untaroiu
Proc. ASME. IMECE2023, Volume 9: Fluids Engineering, V009T10A068, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113379
https://doi.org/10.1115/IMECE2023-113379
View Paper titled, Wake Dynamics of Complex Turning Vanes Using Time-Resolved Particle Image Velocimetry Measurements
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Topics: Dynamics (Mechanics), Particulate matter, Turning vanes, Wakes
Journal Articles

High Throughflow StreamVane Swirl Distortion Generators: Design and Analysis

Andrew P. Hayden, John Gillespie, Cole Hefner, Alexandrina Untaroiu, K. Todd Lowe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041014.
Paper No: GTP-23-1483
https://doi.org/10.1115/1.4063709
Published Online: December 8, 2023
View Article titled, High Throughflow StreamVane Swirl Distortion Generators: Design and Analysis
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Topics: Computational fluid dynamics, Design, Generators, Mach number, Junctions, Chords (Trusses), Flow (Dynamics), Turning vanes
Proceedings Papers

High Throughflow Design and Analysis for Streamvane Swirl Distortion Generators

Andrew P. Hayden, John Gillespie, Cole Hefner, Alexandrina Untaroiu, Todd Lowe
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100773
https://doi.org/10.1115/GT2023-100773
View Paper titled, High Throughflow Design and Analysis for Streamvane Swirl Distortion Generators
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Topics: Design, Generators, Mach number, Computational fluid dynamics, Blades, Compressors, Durability, Junctions, Turning vanes
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58963
https://doi.org/10.1115/GT2021-58963
View Paper titled, Numerical Simulation on the Vortex Shedding From Airfoils of a Swirl Distortion Generator
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15763
https://doi.org/10.1115/GT2020-15763
View Paper titled, Non-Circular and Non-Cylindrical Streamvanes
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Topics: Aircraft, Computational fluid dynamics, Conceptual design, Diffusers, Ducts, Engines, Errors, Flight, Flow (Dynamics), Geometry
Proceedings Papers

Pre-Test Evaluation of Probe Configuration Errors

John Gillespie, Dustin Frohnapfel, Walter O’Brien
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A025, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91780
https://doi.org/10.1115/GT2019-91780
View Paper titled, Pre-Test Evaluation of Probe Configuration Errors
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Topics: Errors, Probes, Flow (Dynamics), Pressure, Turbomachinery, Data collection, Ducts, Gas turbines, Geometry, Temperature
Proceedings Papers

Wearable Upper Body Suit for Assisting Human Load Carriage

Joon-Hyuk Park, Paul Stegall, Sunil K. Agrawal, Shridhar Yarlagadda, John Tierney, Shashank Sharma, John Gillespie
Proc. ASME. IDETC-CIE2015, Volume 5B: 39th Mechanisms and Robotics Conference, V05BT08A024, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47973
https://doi.org/10.1115/DETC2015-47973
View Paper titled, Wearable Upper Body Suit for Assisting Human Load Carriage
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Topics: Railroad passenger cars, Stress, Cables, Actuators, Control equipment, Tension, Bearings, Belts, Force sensors, Load bearing capacity