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Proceedings Papers

Effect of a Passive Flow Control Device on the Performance of an S-Duct Inlet in High Subsonic Flow

Courtney Rider, Asad Asghar, William D. E. Allan, Grant Ingram, Robert Stowe, Rogerio Pimentel
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A038, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104104
https://doi.org/10.1115/GT2023-104104
View Paper titled, Effect of a Passive Flow Control Device on the Performance of an S-Duct Inlet in High Subsonic Flow
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Topics: Ducts, Flow control, Subsonic flow, Separation (Technology), Computational fluid dynamics, Pressure, Diffusers, Simulation, Aerodynamics, Airfoils
Proceedings Papers

Methods and Apparatus for Real-Time Seal Clearances Assessment Using a Pressure Measurement

Taehong Kim
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103264
https://doi.org/10.1115/GT2023-103264
View Paper titled, Methods and Apparatus for Real-Time Seal Clearances Assessment Using a Pressure Measurement
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Topics: Aircraft, Calibration, Cavities, Clearances (Engineering), Control systems, Design, Engines, Flight, Flow (Dynamics), Fuel efficiency
Proceedings Papers

Methods and Apparatus for Real-Time Clearance Assessment Using a Pressure Measurement

Taehong Kim
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A030, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83431
https://doi.org/10.1115/GT2022-83431
View Paper titled, Methods and Apparatus for Real-Time Clearance Assessment Using a Pressure Measurement
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Topics: Clearances (Engineering), Pressure, Pressure measurement
Proceedings Papers

Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows

Hunter D. Nowak, Federico Lluesma-Rodriguez, Iman Rahbari, John P. Clark, Guillermo Paniagua
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A021, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83152
https://doi.org/10.1115/GT2022-83152
View Paper titled, Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows
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Topics: Boundary layers, Flow (Dynamics), Internal flow, Separation (Technology), Computational fluid dynamics, Energy generation, Flight, Flow control, Flow separation, Reynolds number
Proceedings Papers

Large Eddy Simulation of a Pistonless Constant Volume Combustor: A New Concept of Pressure Gain Combustion

Nicola Detomaso, Davide Laera, Paul Pouech, Florent Duchaine, Thierry Poinsot
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A037, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81366
https://doi.org/10.1115/GT2022-81366
View Paper titled, Large Eddy Simulation of a Pistonless Constant Volume Combustor: A New Concept of Pressure Gain Combustion
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Topics: Combustion, Combustion chambers, Large eddy simulation, Pressure, Cycles, Exhaust systems, Valves, Boundary-value problems, Dynamics (Mechanics), Flames
Proceedings Papers

The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames

Timothy Erdmann, Ephraim Gutmark, Andrew Caswell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77975
https://doi.org/10.1115/GT2022-77975
View Paper titled, The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames
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Topics: Flames, Ducts, Flow (Dynamics), Pressure, Reynolds number, Static stability, Wakes, Arches, Pressure measurement, Shear (Mechanics)
Proceedings Papers

A Study of Stall Process in an Axial Flow Compressor With Foam Metal Casing Treatment

Jia Li, Dakun Sun, Ruize Xu, Xu Dong, Xiaofeng Sun
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82828
https://doi.org/10.1115/GT2022-82828
View Paper titled, A Study of Stall Process in an Axial Flow Compressor With Foam Metal Casing Treatment
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Topics: Axial flow, Compressors, Metals, Stall inception, Flow (Dynamics), Rotors, Blades, Chords (Trusses), Design, Emissions
Proceedings Papers

Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications

Aakeen Parikh, Gunin Singh, Chris Noon, Harminder Flora, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81976
https://doi.org/10.1115/GT2022-81976
View Paper titled, Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications
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Topics: Design, Torquemeters, Turbochargers, Unsteady flow, Torque, Compressors, Torque measurement, Boundary-value problems, Construction, Generators
Proceedings Papers

From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames

Abdulla Ghani, Alp Albayrak
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A058, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-84357
https://doi.org/10.1115/GT2022-84357
View Paper titled, From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames
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Topics: Flames, Pressure, Swirling flow, Time series, Transfer functions, Optimization, Combustion, Turbulence, Acoustics, Combustion chambers
Proceedings Papers

An Experimental Investigation Into the Impacts of Varying the Circumferential Extent of Tip-Low Total Pressure Distortion on Fan Stability

Oliver Allen, Alejandro Castillo Pardo, Cesare A. Hall
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A036, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59851
https://doi.org/10.1115/GT2021-59851
View Paper titled, An Experimental Investigation Into the Impacts of Varying the Circumferential Extent of Tip-Low Total Pressure Distortion on Fan Stability
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Topics: Pressure, Stability, Annulus, Rotors, Blades, Boundary layers, Diluents, Inflow, Jet engines, Pressure measurement
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

Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behaviour

Induja Pavithran, Vishnu R. Unni, Abhishek Saha, Alan J. Varghese, R. I. Sujith, Norbert Marwan, Jürgen Kurths
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A029, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60074
https://doi.org/10.1115/GT2021-60074
View Paper titled, Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behaviour
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Topics: Acoustics, Combustion, Combustion chambers, Damage, Electronics, Engines, Failure, Gas turbines, Limit cycles, Oscillations
Proceedings Papers

Evaluation of Blow-Off Dynamics in Aero-Engine Combustors Using Recurrence Quantification Analysis

Ho Yin Leung, Efstathios Karlis, Yannis Hardalupas, Andrea Giusti
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59484
https://doi.org/10.1115/GT2021-59484
View Paper titled, Evaluation of Blow-Off Dynamics in Aero-Engine Combustors Using Recurrence Quantification Analysis
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Topics: Aircraft engines, Combustion chambers, Dynamics (Mechanics), Flames, Engines, Aircraft, Flight, Nonlinear dynamical systems, Pressure measurement
Proceedings Papers

Reducing Uncertainty in the Onset of Combustion Instabilities Using Dynamic Pressure Information and Bayesian Neural Networks

Michael McCartney, Ushnish Sengupta, Matthew Juniper
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A042, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60283
https://doi.org/10.1115/GT2021-60283
View Paper titled, Reducing Uncertainty in the Onset of Combustion Instabilities Using Dynamic Pressure Information and Bayesian Neural Networks
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Topics: Artificial neural networks, Combustion, Pressure, Uncertainty, Hidden variables, Combustion chambers, Combustion systems, Emissions, Errors, Wall temperature
Proceedings Papers

Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment

Jonathan McClure, Frederik M. Berger, Michael Bertsch, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59540
https://doi.org/10.1115/GT2021-59540
View Paper titled, Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment
Open the PDF for Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment in another window
Topics: Combustion chambers, Dynamics (Mechanics), Flames, Gas turbines, Limit cycles, Oscillations, Acoustics, Pressure, Displacement, Heat
Proceedings Papers

Characterisation and Validation of an Optical Pressure Sensor for Combustion Monitoring at Low Frequency

Gianluca Nicchiotti, Stephane A. Page, Krzysztof Solinski, Lukas Andracher, Nina Paulitsch, Fabrice Giuliani
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59103
https://doi.org/10.1115/GT2021-59103
View Paper titled, Characterisation and Validation of an Optical Pressure Sensor for Combustion Monitoring at Low Frequency
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Topics: Combustion, Pressure sensors, Pressure, High temperature, Chain, Combustion systems, Computer software, Dynamics (Mechanics), Emissions, Equipment performance
Proceedings Papers

Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations

Gökay Bacakci, Friedrich Fröhlig, Lukas Stuhldreier, Johannes Deutsch, Peter Jeschke
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58876
https://doi.org/10.1115/GT2021-58876
View Paper titled, Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations
Open the PDF for Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations in another window
Topics: Compressors, Diffusers, High cycle fatigue, Pressure, Stress, Transients (Dynamics), Engineering simulation, Fluctuations (Physics), Impellers, Pressure measurement
Proceedings Papers

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59090
https://doi.org/10.1115/GT2021-59090
View Paper titled, Unsteady Pressure Measurements in a Heated Rotating Cavity
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Topics: Cavities, Pressure measurement, Vortices, Buoyancy, Engines, Flow (Dynamics), Aircraft engines, Cavity flows, Compressors, Computational fluid dynamics
Proceedings Papers

Correlating Time-Resolved Pressure Measurements With Rim Sealing Effectiveness for Real-Time Turbine Health Monitoring

Eric T. DeShong, Benjamin Peters, Reid A. Berdanier, Karen A. Thole, Kamran Paynabar, Nagi Gebraeel
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59586
https://doi.org/10.1115/GT2021-59586
View Paper titled, Correlating Time-Resolved Pressure Measurements With Rim Sealing Effectiveness for Real-Time Turbine Health Monitoring
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Topics: Pressure measurement, Sealing (Process), Turbines, Engines, Hardware, Feedback, Flow (Dynamics), Compressors, Damage, Design
Proceedings Papers

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59227
https://doi.org/10.1115/GT2021-59227
View Paper titled, Influence of Flow Coefficient on Ingress Through Turbine Rim Seals
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Topics: Flow (Dynamics), Turbines, Blades, Rotors, Annulus, Disks, Stators, Clearances (Engineering), Engines, Entropy