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Journal Articles

Lessons Learned Toward Estimating the High-Pressure Turbine Inlet Temperature Profile Using Measurements Acquired at the High-Pressure Turbine Exit

Xu Zhu, Kai Zhou, Xinqian Zheng, Fangyuan Lou
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071011.
Paper No: GTP-23-1039
https://doi.org/10.1115/1.4062285
Published Online: May 25, 2023
View Article titled, Lessons Learned Toward Estimating the High-Pressure Turbine Inlet Temperature Profile Using Measurements Acquired at the High-Pressure Turbine Exit
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Topics: Approximation, Flow (Dynamics), High pressure (Physics), Temperature, Temperature distribution, Temperature profiles, Turbines, Wavelets, Cooling
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)
Proceedings Papers

Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements

Fangyuan Lou
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81623
https://doi.org/10.1115/GT2022-81623
View Paper titled, Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements
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Topics: Approximation, Combustion chambers, Gas turbines, Temperature distribution, Wavelets
Proceedings Papers

Reconstructing Turbine Non-Uniform Flow Including Hot Streaks Using Spatially Under-Sampled Measurements

Xu Zhu, Fangyuan Lou, Kai Zhou, Xinqian Zheng
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A033, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83509
https://doi.org/10.1115/GT2022-83509
View Paper titled, Reconstructing Turbine Non-Uniform Flow Including Hot Streaks Using Spatially Under-Sampled Measurements
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Topics: Approximation, Flow (Dynamics), High pressure (Physics), Turbines, Wavelets, Temperature, Cooling, Temperature distribution, Engines, Annulus
Proceedings Papers

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 2 – Correlation With Subcomponent Characteristics

Fangyuan Lou, Herbert M. Harrison, William J. Brown, Nicole L. Key
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82686
https://doi.org/10.1115/GT2022-82686
View Paper titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 2 – Correlation With Subcomponent Characteristics
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Topics: Compressors, Diffusers, Stability, Surges
Proceedings Papers

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 1 – Surge Signature

Fangyuan Lou, Herbert M. Harrison, Nicole L. Key
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82682
https://doi.org/10.1115/GT2022-82682
View Paper titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 1 – Surge Signature
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Topics: Compressors, Diffusers, Stability, Surges
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

Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements

Fangyuan Lou
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101018.
Paper No: GTP-22-1274
https://doi.org/10.1115/1.4055218
Published Online: September 12, 2022
View Article titled, Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements
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Topics: Combustion chambers, Temperature, Temperature distribution, Temperature profiles, Approximation, Wavelets, Flow (Dynamics), Design
Journal Articles

Multifidelity Optimization Under Uncertainty for Robust Design of a Micro-Turbofan Turbine Stage

Richard Amankwa Adjei, Xinqian Zheng, Fangyuan Lou, Chuang Ding
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101006.
Paper No: GTP-22-1143
https://doi.org/10.1115/1.4055231
Published Online: September 1, 2022
View Article titled, Multifidelity Optimization Under Uncertainty for Robust Design of a Micro-Turbofan Turbine Stage
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Topics: Blades, Design, Flow (Dynamics), Optimization, Pressure, Turbines, Uncertainty quantification, Uncertainty, Rotors, Stators
Journal Articles

Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011027.
Paper No: GTP-21-1334
https://doi.org/10.1115/1.4051958
Published Online: November 2, 2021
View Article titled, Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells
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Topics: Cavities, Flow (Dynamics), Leakage flows, Stators, Wells, Clearances (Engineering), Compressors, Temperature, Rotors, Cavity flows
Proceedings Papers

Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 1: Interactions With the Primary Flow

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A041, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60103
https://doi.org/10.1115/GT2021-60103
View Paper titled, Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 1: Interactions With the Primary Flow
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Topics: Cavity flows, Compressors, Flow (Dynamics), Leakage flows, Stators
Proceedings Papers

Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A042, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60115
https://doi.org/10.1115/GT2021-60115
View Paper titled, Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells
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Topics: Cavity flows, Compressors, Leakage flows, Stators, Wells
Proceedings Papers

Accounting for Circumferential Flow Nonuniformity in a Multi-Stage Axial Compressor

Fangyuan Lou, Douglas R. Matthews, Nicholas J. Kormanik, III, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A039, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59968
https://doi.org/10.1115/GT2021-59968
View Paper titled, Accounting for Circumferential Flow Nonuniformity in a Multi-Stage Axial Compressor
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Topics: Accounting, Approximation, Compressors, Flow (Dynamics), Wavelets
Proceedings Papers

On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design

Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59210
https://doi.org/10.1115/GT2021-59210
View Paper titled, On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design
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Topics: Compressors, Design, Impellers
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
Open the PDF for Reconstructing Compressor Non-Uniform Circumferential Flow Field From Spatially Undersampled Data—Part 1: Methodology and Sensitivity Analysis in another window
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
Proceedings Papers

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

Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A033, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14867
https://doi.org/10.1115/GT2020-14867
View Paper 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, Flow (Dynamics), Particle swarm optimization, Sensitivity analysis, Wavelets
Proceedings Papers

Reconstructing Compressor Non-Uniform 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
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A052, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15465
https://doi.org/10.1115/GT2020-15465
View Paper titled, Reconstructing Compressor Non-Uniform Circumferential Flow Field From Spatially Undersampled Data: Part 2 — Practical Application for Experiments
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Topics: Approximation, Compressors, Flow (Dynamics), Wavelets