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Proceedings Papers

Experimental Study of the Real Gas Effects of CO 2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor

Jeongseek Kang, Alex Vorobiev, Joshua D. Cameron, Scott C. Morris, Mark G. Turner, Kyle Sedlacko, Jason D. Miller, Timothy J. Held
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129572
https://doi.org/10.1115/GT2024-129572
View Paper titled, Experimental Study of the Real Gas Effects of CO 2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor
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Topics: Carbon dioxide, Compressors, Performance characterization, Reynolds number
Proceedings Papers

Numerical and Experimental Comparison of a Single Stage Axial sCO 2 Compressor

Saugat Ghimire, Justin Holder, Matthew Ha, Mark Turner, Jeongseek Kang, Scott C. Morris, Kyle Sedlacko, Timothy J. Held
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129128
https://doi.org/10.1115/GT2024-129128
View Paper titled, Numerical and Experimental Comparison of a Single Stage Axial sCO 2 Compressor
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Topics: Compressors
Proceedings Papers

Analysis of Pre-Stall Pressure Disturbances in an Axial Compressor

Valerie Hernley, Jeongseek Kang, Matthew Montgomery, Aleksandar Jemcov, Scott C. Morris
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123043
https://doi.org/10.1115/GT2024-123043
View Paper titled, Analysis of Pre-Stall Pressure Disturbances in an Axial Compressor
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Topics: Compressors, Pressure
Journal Articles

Identification of Compressor Vibration Aerodynamic Forcing Mechanisms by Spectral Characteristics

Valerie Hernley, Jeongseek Kang, Matthew Montgomery, Jae Hoon Chung, Aleksandar Jemcov, Scott C. Morris
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051008.
Paper No: GTP-23-1426
https://doi.org/10.1115/1.4063685
Published Online: December 11, 2023
View Article titled, Identification of Compressor Vibration Aerodynamic Forcing Mechanisms by Spectral Characteristics
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Topics: Blades, Compressors, Pressure, Vibration, Damping, Rotors, Flutter (Aerodynamics)
Proceedings Papers

A Radio Frequency Polarimetry Sensor for Monitoring Rotor Shaft Position

Yuko Inoue, Luis E. Perez, Thomas G. Pratt, Scott C. Morris
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102059
https://doi.org/10.1115/GT2023-102059
View Paper titled, A Radio Frequency Polarimetry Sensor for Monitoring Rotor Shaft Position
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Topics: Artificial neural networks, Polarimetry, Rotors, Sensors, Whirls
Proceedings Papers

Identification of Compressor Vibration Aerodynamic Forcing Mechanisms by Spectral Characteristics

Valerie Hernley, Jeongseek Kang, Matthew Montgomery, Jae Hoon Chung, Aleksandar Jemcov, Scott C. Morris
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101059
https://doi.org/10.1115/GT2023-101059
View Paper titled, Identification of Compressor Vibration Aerodynamic Forcing Mechanisms by Spectral Characteristics
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Topics: Compressors, Damping, Flutter (Aerodynamics), Vibration
Journal Articles

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor

Nicholas H. Maher, Mark H. Ross, Scott C. Morris, Stephan Priebe, Giridhar Jothiprasad, David Allan, Gregory McNulty, Michael Macrorie, Ramakrishna Mallina
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071003.
Paper No: TURBO-22-1288
https://doi.org/10.1115/1.4056699
Published Online: February 9, 2023
View Article titled, Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor
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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Pressure, Rotors, Temperature, Design
Proceedings Papers

Experimental Investigation of Inlet Stagnation Pressure Distortion Effects on a Transonic Axial Compressor Rotor

Andrew A. Oliva, Scott C. Morris
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A041, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83452
https://doi.org/10.1115/GT2022-83452
View Paper titled, Experimental Investigation of Inlet Stagnation Pressure Distortion Effects on a Transonic Axial Compressor Rotor
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Topics: Compressors, Pressure, Rotors, Mach number, Annulus, Instrumentation, Performance characterization, Pressure gradient, Resolution (Optics)
Proceedings Papers

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single Stage High Speed Compressor

Nicholas H. Maher, Mark H. Ross, Scott C. Morris, Stephan Priebe, Giridhar Jothiprasad, David Allan, G. Scott McNulty, Michael Macrorie
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A042, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83459
https://doi.org/10.1115/GT2022-83459
View Paper titled, Experimental and Computational Investigation of an Advanced Casing Treatment in a Single Stage High Speed Compressor
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Topics: Compressors, Rotors, Design, Engineering simulation, Pressure, Simulation, Computer simulation, Flow (Dynamics), Inlet guide vanes, Physics
Proceedings Papers

Aerodynamic Forcing Models for Compressor Aeromechanics

Valerie Hernley, Aleksandar Jemcov, Scott C. Morris
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, V08AT21A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80481
https://doi.org/10.1115/GT2022-80481
View Paper titled, Aerodynamic Forcing Models for Compressor Aeromechanics
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Topics: Compressors, Blades, Vibration, Engineering simulation, Simulation
Proceedings Papers

Noise and Flow Measurements in Automotive Blower Scroll

Niranjan G. Humbad, John F. Foss, Robert A. Porada, Scott C. Morris, Richard J. Prevost, David G. Johnston
Proc. ASME. IMECE98, Noise Control and Acoustics, 185-192, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0512
https://doi.org/10.1115/IMECE1998-0512
View Paper titled, Noise and Flow Measurements in Automotive Blower Scroll
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Topics: Flow measurement, Noise (Sound), Automobiles, Blades, Climate, Design, Flow (Dynamics), Fluctuations (Physics), Geometry, Spectral energy distribution
Proceedings Papers

Performance of a Subsonic Compressor Airfoil With Upstream, End-Wall Injection Flow

Aaron J. Pope, Andrew Oliva, Aleksandar Jemcov, Scott C. Morris, Mark Stephens, Kenneth Clark, Lisa Brilliant
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58708
https://doi.org/10.1115/GT2021-58708
View Paper titled, Performance of a Subsonic Compressor Airfoil With Upstream, End-Wall Injection Flow
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Topics: Airfoils, Compressors, Flow (Dynamics), Stators, Pressure, Cascades (Fluid dynamics), Probes, Engines, Entropy, Gas turbines
Proceedings Papers

Detailed Experimental Measurement and RANS Simulation of a Low Pressure Turbine With High Lift Blading

Ethan Perez, John T. Schmitz, Nicholas A. Jaffa, Aleksandar Jemcov, Joshua D. Cameron, Scott C. Morris
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A029, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91820
https://doi.org/10.1115/GT2019-91820
View Paper titled, Detailed Experimental Measurement and RANS Simulation of a Low Pressure Turbine With High Lift Blading
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Topics: Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbines, Airfoils, Computation, Design, Blades, Computer simulation, Computer software
Proceedings Papers

Very Large Eddy Simulation (VLES) of a Squealer Tipped Axial Turbine Stage

Ryan Kelly, Aleksandar Jemcov, Joshua D. Cameron, Scott C. Morris, Jesse Coffman, Malak F. Malak
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A052, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64979
https://doi.org/10.1115/GT2017-64979
View Paper titled, Very Large Eddy Simulation (VLES) of a Squealer Tipped Axial Turbine Stage
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Topics: Large eddy simulation, Turbines, Engineering simulation, Simulation, Computer simulation, Density, Design, Nozzles, Reynolds-averaged Navier–Stokes equations, Rotors
Proceedings Papers

Characteristics of Stable Rotating Stall Cells in an Axial Compressor

Adam R. Hickman, Scott C. Morris
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64901
https://doi.org/10.1115/GT2017-64901
View Paper titled, Characteristics of Stable Rotating Stall Cells in an Axial Compressor
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Topics: Compressors, Flow (Dynamics), Annulus, Rotors, Blades, Pressure, Pressure sensors, Stall inception, Statistics
Proceedings Papers

Validation of Transonic Axial Compressor Stage Unsteady-State Rotor-Stator Simulations

Paul Galpin, Thorsten Hansen, Georg Scheuerer, Ryan Kelly, Adam Hickman, Aleksandar Jemcov, Scott C. Morris
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A028, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64786
https://doi.org/10.1115/GT2017-64786
View Paper titled, Validation of Transonic Axial Compressor Stage Unsteady-State Rotor-Stator Simulations
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Topics: Compressors, Rotors, Simulation, Stators, Steady state, Errors, Turbulence, Flow (Dynamics), Unsteady flow, Boundary layers
Journal Articles

Compressor Blade Vibration Measurements Using Blade Image Velocimetry

Paul L. Mikrut, Scott C. Morris, Joshua D. Cameron
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. December 2015, 137(6): 061007.
Paper No: VIB-14-1027
https://doi.org/10.1115/1.4030423
Published Online: July 23, 2015
View Article titled, Compressor Blade Vibration Measurements Using Blade Image Velocimetry
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Topics: Blades, Compressors, Vibration, Noise (Sound), Vibration measurement
Proceedings Papers

Fluid-Loaded Vibration due to a Non-Homogeneous Turbulent Boundary Layer

Jason R. Tomko, Scott C. Morris
Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A041, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28399
https://doi.org/10.1115/PVP2014-28399
View Paper titled, Fluid-Loaded Vibration due to a Non-Homogeneous Turbulent Boundary Layer
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Topics: Boundary layer turbulence, Fluids, Vibration, Mode shapes, Pressure, Flow (Dynamics), Density, Fluid dynamics, Modal analysis, Structural acoustics
Proceedings Papers

IDDES Study of the Shock Induced Flow Separation in a Transonic Compressor Rotor at Near Stall Condition

Ke Shi, Song Fu, Scott C. Morris
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A043, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27275
https://doi.org/10.1115/GT2014-27275
View Paper titled, IDDES Study of the Shock Induced Flow Separation in a Transonic Compressor Rotor at Near Stall Condition
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Topics: Compressors, Flow separation, Rotors, Shock (Mechanics), Blades, Separation (Technology), Suction, Vortices, Entropy, Flow (Dynamics)
Journal Articles

A Computational Fluid Dynamics Study of Circumferential Groove Casing Treatment in a Transonic Axial Compressor

Haixin Chen, Xudong Huang, Ke Shi, Song Fu, Mark Ross, Matthew A. Bennington, Joshua D. Cameron, Scott C. Morris, Scott McNulty, Aspi Wadia
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2014, 136(3): 031003.
Paper No: TURBO-12-1201
https://doi.org/10.1115/1.4024651
Published Online: September 26, 2013
View Article titled, A Computational Fluid Dynamics Study of Circumferential Groove Casing Treatment in a Transonic Axial Compressor
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Topics: Blades, Compressors, Computational fluid dynamics, Flow (Dynamics), Momentum, Pressure, Rotors