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Nicole L. Key
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Journal Articles

Accounting for Circumferential Flow Nonuniformity in a Multistage Axial Compressor

Fangyuan Lou, Douglas R. Matthews, Nicholas J. Kormanik, III, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071016.
Paper No: TURBO-21-1151
https://doi.org/10.1115/1.4056933
Published Online: March 6, 2023
View Article titled, Accounting for Circumferential Flow Nonuniformity in a Multistage Axial Compressor
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Topics: Compressors, Flow (Dynamics), Pressure, Stators, Approximation, Wakes, Annulus
Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser—Part I: Surge Signature

Fangyuan Lou, Herbert M. Harrison, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051003.
Paper No: TURBO-22-1146
https://doi.org/10.1115/1.4055866
Published Online: November 8, 2022
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser—Part I: Surge Signature
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Topics: Compressors, Diffusers, Surges, Impellers, Pressure
Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics

Fangyuan Lou, Herbert M. Harrison, William J. Brown, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051004.
Paper No: TURBO-22-1147
https://doi.org/10.1115/1.4055865
Published Online: November 8, 2022
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Stability, Surges, Mach number, Shock (Mechanics)
Journal Articles

On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design

Fangyuan Lou, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111011.
Paper No: TURBO-22-1110
https://doi.org/10.1115/1.4055151
Published Online: September 13, 2022
View Article titled, On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design
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Topics: Design, Impellers, Pressure, Diffusion (Physics)
Journal Articles

The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor

William J. Gooding, Matthew A. Meier, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101006.
Paper No: TURBO-20-1390
https://doi.org/10.1115/1.4050674
Published Online: May 17, 2021
View Article titled, The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor
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Topics: Compressors, Diffusers, Flow (Dynamics), Heat transfer, Modeling, Pressure, Surface roughness, Turbulence, Simulation, Design
Journal Articles

Reconstructing Compressor Non-Uniform Circumferential Flow Field From Spatially Undersampled Data—Part 1: Methodology and Sensitivity Analysis

Fangyuan Lou, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081002.
Paper No: TURBO-20-1349
https://doi.org/10.1115/1.4050433
Published Online: April 26, 2021
View Article titled, Reconstructing Compressor Non-Uniform Circumferential Flow Field From Spatially Undersampled Data—Part 1: Methodology and Sensitivity Analysis
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Topics: Approximation, Compressors, Errors, Flow (Dynamics), Particle swarm optimization, Probes, Signals, Wavelets, Sensitivity analysis, Design
Journal Articles

Reconstructing Compressor Nonuniform Circumferential Flow Field From Spatially Undersampled Data—Part 2: Practical Application for Experiments

Fangyuan Lou, Douglas R. Matthews, Nicholas J. Kormanik, III, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081003.
Paper No: TURBO-20-1350
https://doi.org/10.1115/1.4050434
Published Online: April 26, 2021
View Article titled, Reconstructing Compressor Nonuniform Circumferential Flow Field From Spatially Undersampled Data—Part 2: Practical Application for Experiments
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Topics: Approximation, Compressors, Diffusers, Flow (Dynamics), Pressure, Wavelets, Stators
Journal Articles

Laser Doppler Velocimetry Characterization of Unsteady Vaned Diffuser Flow in a Centrifugal Compressor

William J. Gooding, John C. Fabian, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2020, 142(4): 041001.
Paper No: TURBO-19-1129
https://doi.org/10.1115/1.4046230
Published Online: February 25, 2020
View Article titled, Laser Doppler Velocimetry Characterization of Unsteady Vaned Diffuser Flow in a Centrifugal Compressor
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Topics: Compressors, Diffusers, Flow (Dynamics), Pressure, Wakes, Laser Doppler anemometry, Vortices, Impellers
Journal Articles

Utilization of Fast Response Pressure Measurements to Non-Intrusively Monitor Blade Vibration in Axial Compressors

Yujun Leng, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2020, 142(3): 031001.
Paper No: TURBO-19-1136
https://doi.org/10.1115/1.4045472
Published Online: February 20, 2020
View Article titled, Utilization of Fast Response Pressure Measurements to Non-Intrusively Monitor Blade Vibration in Axial Compressors
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Topics: Blades, Pressure, Pressure sensors, Rotors, Vibration, Waves, Compressors, Spin (Aerodynamics), Spinning (Textile), Wakes
Proceedings Papers

A Mistuned Forced Response Analysis of an Embedded Compressor Blisk Using a Reduced Order Model

Mauricio Gutierrez, Paul Petrie-Repar, Robert E. Kielb, Nicole L. Key
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A026, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76455
https://doi.org/10.1115/GT2018-76455
View Paper titled, A Mistuned Forced Response Analysis of an Embedded Compressor Blisk Using a Reduced Order Model
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Topics: Compressors, Stators, Uncertainty, Rotors
Journal Articles

A Comprehensive Investigation of Blade Row Interaction Effects on Stator Loss Utilizing Vane Clocking

Natalie R. Smith, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2018, 140(7): 071004.
Paper No: TURBO-17-1178
https://doi.org/10.1115/1.4040111
Published Online: June 14, 2018
View Article titled, A Comprehensive Investigation of Blade Row Interaction Effects on Stator Loss Utilizing Vane Clocking
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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Stators, Wakes, Boundary layers, Leakage flows
Journal Articles

A New Approach for Centrifugal Impeller Preliminary Design and Aerothermal Analysis

Fangyuan Lou, John C. Fabian, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(5): 051001.
Paper No: TURBO-16-1156
https://doi.org/10.1115/1.4038876
Published Online: February 27, 2018
View Article titled, A New Approach for Centrifugal Impeller Preliminary Design and Aerothermal Analysis
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Topics: Design, Impellers, Diffusion (Physics), Flow (Dynamics)
Journal Articles

Stall Inception in a High-Speed Centrifugal Compressor During Speed Transients

Fangyuan Lou, John C. Fabian, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121004.
Paper No: TURBO-17-1116
https://doi.org/10.1115/1.4037759
Published Online: September 26, 2017
View Article titled, Stall Inception in a High-Speed Centrifugal Compressor During Speed Transients
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Topics: Compressors, Surges, Transients (Dynamics), Impellers, Flow (Dynamics), Pressure, Diffusers, Flow instability
Proceedings Papers

Stall Inception in a High Speed Centrifugal Compressor During Speed Transients

Fangyuan Lou, John C. Fabian, Nicole L. Key
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A026, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64499
https://doi.org/10.1115/GT2017-64499
View Paper titled, Stall Inception in a High Speed Centrifugal Compressor During Speed Transients
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Topics: Compressors, Stall inception, Transients (Dynamics), Impellers, Diffusers, Surges, Flow (Dynamics), Flow instability, Hardware, Heat transfer
Proceedings Papers

A Comprehensive Investigation of Blade Row Interaction Effects on Stator Loss Utilizing Vane Clocking

Natalie R. Smith, Nicole L. Key
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A015, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63831
https://doi.org/10.1115/GT2017-63831
View Paper titled, A Comprehensive Investigation of Blade Row Interaction Effects on Stator Loss Utilizing Vane Clocking
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Topics: Blades, Stators, Flow (Dynamics), Pressure, Rotors, Compressors, Boundary layers, Corners (Structural elements), Flow visualization, High pressure (Physics)
Proceedings Papers

The Development of a Low Specific Speed Centrifugal Compressor Research Facility

Jeanne Methel, William J. Gooding, John C. Fabian, Nicole L. Key, Mark Whitlock
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A018, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56683
https://doi.org/10.1115/GT2016-56683
View Paper titled, The Development of a Low Specific Speed Centrifugal Compressor Research Facility
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Topics: Compressors, Aerodynamics, Engines, High pressure (Physics), Aircraft engines, Blades, Compression, Design, Finishes, Fuel consumption
Proceedings Papers

Development of a Centrifugal Compressor Facility for Performance and Aeromechanics Research

Fangyuan Lou, Herbert M. Harrison, John C. Fabian, Nicole L. Key, Darrell K. James, Rakesh Srivastava
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A005, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56188
https://doi.org/10.1115/GT2016-56188
View Paper titled, Development of a Centrifugal Compressor Facility for Performance and Aeromechanics Research
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Topics: Compressors, Instrumentation, Clearances (Engineering), Collaboration, Flow (Dynamics), Impellers, Pressure sensors, Steady state, Vehicles
Journal Articles

A New Particle Image Velocimetry Technique for Turbomachinery Applications

Sayantan Bhattacharya, Reid A. Berdanier, Pavlos P. Vlachos, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. December 2016, 138(12): 124501.
Paper No: TURBO-15-1164
https://doi.org/10.1115/1.4033672
Published Online: June 1, 2016
View Article titled, A New Particle Image Velocimetry Technique for Turbomachinery Applications
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Topics: Blades, Compressors, Flow (Dynamics), Lasers, Leakage flows, Particulate matter, Rotors, Turbomachinery, Probes, Design
Journal Articles

Mistuned Forced Response Predictions of an Embedded Rotor in a Multistage Compressor

Fanny M. Besem, Robert E. Kielb, Paul Galpin, Laith Zori, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2016, 138(6): 061003.
Paper No: TURBO-15-1228
https://doi.org/10.1115/1.4032164
Published Online: February 9, 2016
View Article titled, Mistuned Forced Response Predictions of an Embedded Rotor in a Multistage Compressor
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Topics: Blades, Compressors, Computational fluid dynamics, Pressure, Rotors, Simulation, Stators, Transients (Dynamics)
Journal Articles

Considerations for Measuring Compressor Aerodynamic Excitations Including Rotor Wakes and Tip Leakage Flows

Natalie R. Smith, William L. Murray, III, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2016, 138(3): 031008.
Paper No: TURBO-15-1223
https://doi.org/10.1115/1.4032006
Published Online: December 22, 2015
View Article titled, Considerations for Measuring Compressor Aerodynamic Excitations Including Rotor Wakes and Tip Leakage Flows
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Topics: Rotors, Wakes, Flow (Dynamics), Blades, Leakage flows, Leakage, Vortices, Compressors, Stators