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Proceedings Papers

Numerical Research on Near Stall Characteristics of a Transonic Axial Compressor Based on Wavelet Analysis

Kailong Xia, Junda Feng, Mingmin Zhu, Hefang Deng, Xiaoqing Qiang, Jinfang Teng

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A029, June 13–17, 2022

Paper No: GT2022-82366

DOI: https://doi.org/10.1115/GT2022-82366

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Topics: Compressors, Simulation, Stall inception, Wavelets

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

Paper No: GT2022-81623

DOI: https://doi.org/10.1115/GT2022-81623

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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

Paper No: GT2022-83509

DOI: https://doi.org/10.1115/GT2022-83509

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Topics: Approximation, Flow (Dynamics), High pressure (Physics), Turbines, Wavelets, Temperature, Cooling, Temperature distribution, Engines, Annulus

Proceedings Papers

Transient Engine Condition Monitoring of Micro Gas Turbines in a Highly Dynamic Setting

Tihomir Varchev, Matthias Weiss, Stephan Staudacher, Christian Koch

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A013, June 13–17, 2022

Paper No: GT2022-82377

DOI: https://doi.org/10.1115/GT2022-82377

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Topics: Condition monitoring, Engines, Micro gas turbines, Transients (Dynamics), Flight, Artificial neural networks, Flow (Dynamics), Measurement uncertainty, Noise (Sound), Wavelets

Proceedings Papers

Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations

Saarthak Gupta, Santosh Hemchandra, Masayasu Shimura, Santosh Shanbhogue, Ahmed Ghoniem

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 7–11, 2021

Paper No: GT2021-58358

DOI: https://doi.org/10.1115/GT2021-58358

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Topics: Dynamics (Mechanics), Nozzles, Oscillations, Unsteady flow, Flow (Dynamics), Vortices, Bubbles, Combustion chambers, Turbulence, Emissions

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

Paper No: GT2021-59968

DOI: https://doi.org/10.1115/GT2021-59968

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Topics: Accounting, Approximation, Compressors, Flow (Dynamics), Wavelets

Proceedings Papers

Novel Cyclo-Non-Stationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions

Alexandre Mauricio, Dustin Helm, Markus Timusk, Jerome Antoni, Konstantinos Gryllias

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A018, September 21–25, 2020

Paper No: GT2020-15245

DOI: https://doi.org/10.1115/GT2020-15245

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Topics: Machinery, Stress, Signals, Condition monitoring, Failure, Maintenance, Bearings, Damage, Density, Excitation

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

Paper No: GT2020-14867

DOI: https://doi.org/10.1115/GT2020-14867

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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

Paper No: GT2020-15465

DOI: https://doi.org/10.1115/GT2020-15465

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Topics: Approximation, Compressors, Flow (Dynamics), Wavelets

Proceedings Papers

Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants

Carlo Alberto Niccolini Marmont Du Haut Champ, Mario Luigi Ferrari, Paolo Silvestri, Aristide Fausto Massardo

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A009, September 21–25, 2020

Paper No: GT2020-14795

DOI: https://doi.org/10.1115/GT2020-14795

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Topics: Compressors, Power stations, Signal processing, Surges, Wavelets, Microturbines, Signals, Accelerometers, Acoustics, Combustion chambers

Proceedings Papers

Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor

C. P. Premchand, Nitin B. George, Manikandan Raghunathan, Vishnu R. Unni, R. I. Sujith, Vineeth Nair

Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A041, June 17–21, 2019

Paper No: GT2019-91713

DOI: https://doi.org/10.1115/GT2019-91713

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Topics: Combustion chambers, Flow (Dynamics), Heat, Acoustics, Dynamics (Mechanics), Flames, Fluctuations (Physics), Pressure, Sound pressure, Turbulence

Proceedings Papers

Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A019, June 17–21, 2019

Paper No: GT2019-91229

DOI: https://doi.org/10.1115/GT2019-91229

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Topics: Boundary layers, Gas turbines, Pressure gradient, Turbulence, Flow (Dynamics), Reynolds number, Arches, Databases, Flat plates, Probability

Proceedings Papers

Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows

M. Dellacasagrande, R. Guida, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A015, June 11–15, 2018

Paper No: GT2018-75624

DOI: https://doi.org/10.1115/GT2018-75624

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Topics: Flow (Dynamics), Turbulence, Reynolds number, Separation (Technology), Boundary layers, Bubbles, Dynamics (Mechanics), Fittings, Particulate matter, Pressure gradient

Proceedings Papers

Fault Diagnosis Method for Inter-Shaft Bearings Based on Information Exergy and Random Forest

Jing Tian, Yanting Ai, Ming Zhao, Chengwei Fei, Fengling Zhang

Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A017, June 11–15, 2018

Paper No: GT2018-76101

DOI: https://doi.org/10.1115/GT2018-76101

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Topics: Bearings, Exergy, Fault diagnosis, Signals, Wavelets, Acoustic emissions

Proceedings Papers

Automated Gas Turbine Sensor Fault Diagnostics

Gbanaibolou Jombo, Yu Zhang, Jonathan David Griffiths, Tony Latimer

Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A003, June 11–15, 2018

Paper No: GT2018-75229

DOI: https://doi.org/10.1115/GT2018-75229

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Topics: Gas turbines, Sensors, Signals, Discrete wavelet transforms, Failure, Flaw detection, Testing, Transients (Dynamics), Wavelets

Proceedings Papers

Effect of Acoustic Feedback on Lagrangian Coherent Structures in a Backward Facing Step Combustor With a Partially Premixed Flame

Ramgopal Sampath, S. R. Chakravarthy

Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A052, June 26–30, 2017

Paper No: GT2017-64856

DOI: https://doi.org/10.1115/GT2017-64856

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Topics: Acoustics, Combustion chambers, Feedback, Flames, Pressure, Oscillations, Flow (Dynamics), Vortex shedding, Vortices, Chemiluminescence

Proceedings Papers

Large Eddy Simulations of Separated Shear Layer Behaviors in a High-Lift LP Turbine

Weihao Zhang, Zhengping Zou, Jian Ye

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A022, June 15–19, 2015

Paper No: GT2015-43054

DOI: https://doi.org/10.1115/GT2015-43054

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Topics: Large eddy simulation, Shear (Mechanics), Turbines, Vortices, Chords (Trusses), Flow (Dynamics), Mach number, Outflow, Pressure, Reynolds number

Proceedings Papers

Experimental Investigation of Unsteady Tip Clearance Flow in a Counter-Rotating Fan

Wang Yangang, Yue Shaoyuan, Chen Junxu, Wu Canghai

Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T09A016, June 15–19, 2015

Paper No: GT2015-43753

DOI: https://doi.org/10.1115/GT2015-43753

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Topics: Clearances (Engineering), Flow (Dynamics), Rotors, Stall inception, Control equipment, Electromagnetism, Emission spectroscopy, Filters, Spectroscopy, Transducers

Proceedings Papers

Effect of Unsteady Wake Passing Frequency on Boundary Layer Transition, Experimental Investigation and Wavelet Analysis

M. T. Schobeiri, K. Read, J. Lewalle

Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A102, June 5–8, 1995

Paper No: 95-GT-437

DOI: https://doi.org/10.1115/95-GT-437

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Topics: Boundary layers, Wakes, Wavelets, Unsteady flow, Cascades (Fluid dynamics), Fluctuations (Physics), Pressure gradient, Rods, Signals, Turbulence

Proceedings Papers

Time-Frequency Analysis of Compressor Rotating Stall by Means of Wavelet Transform

Shengfang Liao, Jingyi Chen

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A013, June 10–13, 1996

Paper No: 96-GT-057

DOI: https://doi.org/10.1115/96-GT-057

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Topics: Compressors, Time-frequency analysis, Wavelet transforms, Signals, Signal processing, Stall inception, Fourier transforms, Noise (Sound), Transients (Dynamics), Wavelets

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NARROW

Numerical Research on Near Stall Characteristics of a Transonic Axial Compressor Based on Wavelet Analysis

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

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

Transient Engine Condition Monitoring of Micro Gas Turbines in a Highly Dynamic Setting

Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations

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

Novel Cyclo-Non-Stationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions

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

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

Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants

Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor

Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications

Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows

Fault Diagnosis Method for Inter-Shaft Bearings Based on Information Exergy and Random Forest

Automated Gas Turbine Sensor Fault Diagnostics

Effect of Acoustic Feedback on Lagrangian Coherent Structures in a Backward Facing Step Combustor With a Partially Premixed Flame

Large Eddy Simulations of Separated Shear Layer Behaviors in a High-Lift LP Turbine

Experimental Investigation of Unsteady Tip Clearance Flow in a Counter-Rotating Fan

Effect of Unsteady Wake Passing Frequency on Boundary Layer Transition, Experimental Investigation and Wavelet Analysis

Time-Frequency Analysis of Compressor Rotating Stall by Means of Wavelet Transform

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