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Proceedings Papers

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124275
https://doi.org/10.1115/GT2024-124275
View Paper titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Compressors, Structural dynamics, Damping, Vibration, Design, Frequency response, Simulation, Acoustics, Aerodynamics
Proceedings Papers

Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations

Matei Cristian Ignuta-Ciuncanu, Chris Noon, Ricardo F. Martinez-Botas
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123876
https://doi.org/10.1115/GT2024-123876
View Paper titled, Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations
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Topics: Heat transfer, Pulsatile flow, Flow (Dynamics), Pipes, Accounting, Chain, Cities, Exhaust manifolds, Exhaust systems, Gas flow
Proceedings Papers

A Bayesian Data Driven Multi-Fidelity Modelling Approach for Experimental Under-Sampled Flow Reconstruction

Gonçalo G. Cruz, Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A043, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103886
https://doi.org/10.1115/GT2023-103886
View Paper titled, A Bayesian Data Driven Multi-Fidelity Modelling Approach for Experimental Under-Sampled Flow Reconstruction
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Topics: Flow (Dynamics), Flow measurement, Modeling, Compressors, Computational fluid dynamics, Computer simulation, Databases, Errors, Instrumentation, Measurement uncertainty
Proceedings Papers

Passive Controls of Tip Clearance Flow in a Transonic Compressor for Stall Margin Improvement: Common Flow Physics

Chunill Hah
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101077
https://doi.org/10.1115/GT2023-101077
View Paper titled, Passive Controls of Tip Clearance Flow in a Transonic Compressor for Stall Margin Improvement: Common Flow Physics
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Passive control, Physics, Leakage flows, Design, Blades, Pressure, Suction
Proceedings Papers

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Chunill Hah
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A039, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83363
https://doi.org/10.1115/GT2022-83363
View Paper titled, Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism
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Topics: Compressors, Flow (Dynamics), Leakage flows, Collisions (Physics), Design, Blades, Delays, Fluids, Large eddy simulation, Leakage
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82377
https://doi.org/10.1115/GT2022-82377
View Paper titled, Transient Engine Condition Monitoring of Micro Gas Turbines in a Highly Dynamic Setting
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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

Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level

Andriy Prots, Matthias Voigt, Ronald Mailach, Philip Magin, Florian Danner
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59442
https://doi.org/10.1115/GT2021-59442
View Paper titled, Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level
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Topics: Uncertainty, Computational fluid dynamics, Boundary-value problems, Geometry, Compressors, Design, Jet engines, Measurement uncertainty, Sensors
Proceedings Papers

Uncertainty Evaluation on Multi-Hole Aerodynamic Pressure Probes

Andrea Notaristefano, Paolo Gaetani, Vincenzo Dossena, Alberto Fusetti
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14585
https://doi.org/10.1115/GT2020-14585
View Paper titled, Uncertainty Evaluation on Multi-Hole Aerodynamic Pressure Probes
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Topics: Measurement uncertainty, Pressure, Probes, Uncertainty
Proceedings Papers

Detailed Velocity and Heat Transfer Measurements in an Advanced Gas Turbine Vane Insert Using MRV and IR Thermometry

Michael J. Benson, David Bindon, Mattias Cooper, F. Todd Davidson, Benjamin Duhaime, David Helmer, Robert Woodings, Bret P. Van Poppel, Christopher J. Elkins, John P. Clark
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14984
https://doi.org/10.1115/GT2020-14984
View Paper titled, Detailed Velocity and Heat Transfer Measurements in an Advanced Gas Turbine Vane Insert Using MRV and IR Thermometry
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Topics: Gas turbines, Heat transfer, Temperature measurement, Cooling, Flow (Dynamics), Computer simulation, Design, Magnetic resonance, Manufacturing, Measurement uncertainty
Proceedings Papers

Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels

Tobias Krille, Stefan Retzko, Rico Poser, Jens von Wolfersdorf
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A037, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16271
https://doi.org/10.1115/GT2020-16271
View Paper titled, Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels
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Topics: Cooling, Heat transfer, Liquid crystals, Heat transfer coefficients, Temperature, Computer simulation, Engines, Flow (Dynamics), Fluids, Measurement uncertainty
Proceedings Papers

Dynamic Identification of 280mm Diameter Tilting Pad Journal Bearings: Test Results and Measurement Uncertainties Assessment of Different Designs

Riccardo Ferraro, Alice Innocenti, Mirko Libraschi, Michele Barsanti, Enrico Ciulli, Paola Forte, Matteo Nuti
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14718
https://doi.org/10.1115/GT2020-14718
View Paper titled, Dynamic Identification of 280mm Diameter Tilting Pad Journal Bearings: Test Results and Measurement Uncertainties Assessment of Different Designs
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Topics: Journal bearings, Measurement uncertainty
Proceedings Papers

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part A — Holistic Description of Manufacturing Variability

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91205
https://doi.org/10.1115/GT2019-91205
View Paper titled, Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part A — Holistic Description of Manufacturing Variability
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Topics: Finite element analysis, High pressure (Physics), Manufacturing, Turbine blades, Blades, Geometry, Airfoils, Design, Computerized tomography, Cooling
Proceedings Papers

The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller

Natalie R. Smith, Christopher Clarke, Timothy C. Allison, Michael Cave, Jason C. Wilkes
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A029, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77016
https://doi.org/10.1115/GT2018-77016
View Paper titled, The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller
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Topics: Compressor impellers, Torquemeters, Heat, Heat losses, Steady state, Torque, Enthalpy, Impellers, Machinery, Measurement uncertainty
Proceedings Papers

Measurement Uncertainty in Liquid Crystal Thermography Applied to Internal Cooling Research: Two Practical Examples

Ignacio Mayo, Marco Virgilio, Bogdan C. Cernat, Tony Arts
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT13A011, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76361
https://doi.org/10.1115/GT2018-76361
View Paper titled, Measurement Uncertainty in Liquid Crystal Thermography Applied to Internal Cooling Research: Two Practical Examples
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Topics: Cooling, Liquid crystals, Measurement uncertainty, Thermography, Uncertainty, Reynolds number, Temperature, Fluids, Temperature measurement, Cavities
Proceedings Papers

Quantification of X-Ray Measurement Uncertainty Based on Optical Measurement Data of Turbine Blades

Lars Högner, Sebastian Knebel, Matthias Voigt, Ronald Mailach, Marcus Meyer
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A008, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63704
https://doi.org/10.1115/GT2017-63704
View Paper titled, Quantification of X-Ray Measurement Uncertainty Based on Optical Measurement Data of Turbine Blades
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Topics: Measurement uncertainty, Optical measurement, Turbine blades, X-rays, Geometry, Blades, Design, Uncertainty, Uncertainty quantification, Wall thickness
Proceedings Papers

Unsteady Pressure Characteristics in the Mainstream/Disc Cavity of a Turbine-Stage

A. V. Mirzamoghadam, J. Balasubramanian, M. Michael, R. P. Roy
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A015, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63844
https://doi.org/10.1115/GT2017-63844
View Paper titled, Unsteady Pressure Characteristics in the Mainstream/Disc Cavity of a Turbine-Stage
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Topics: Cavities, Disks, Pressure, Turbines, Flow (Dynamics), Air flow, Pressure measurement, Annulus, Blades, Computational fluid dynamics
Proceedings Papers

Development and Application of a Fast-Response Total Temperature Probe for Turbomachinery

Martin C. Arenz, Björn Weigel, Jan Habermann, Stephan Staudacher, Martin G. Rose, Ewald Lutum, Wolfgang Berns
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A001, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56132
https://doi.org/10.1115/GT2016-56132
View Paper titled, Development and Application of a Fast-Response Total Temperature Probe for Turbomachinery
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Topics: Probes, Temperature, Turbomachinery, Rotors, Design, Resolution (Optics), Turbines, Aircraft propulsion, Calibration, Engineers
Proceedings Papers

Experimental and Numerical Investigation of Annular Casing Impingement Arrays for Faster Casing Response

Andrew Dann, Priyanka Dhopade, Marko Bacic, Peter Ireland, Leo Lewis
Proc. ASME. GT2016, Volume 5C: Heat Transfer, V05CT18A009, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57619
https://doi.org/10.1115/GT2016-57619
View Paper titled, Experimental and Numerical Investigation of Annular Casing Impingement Arrays for Faster Casing Response
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Topics: Aircraft engines, Annulus, Blades, Compressors, Cooling, Disks, Dynamic response, Engine design, Engines, Flow (Dynamics)
Proceedings Papers

Analytical Uncertainty Analysis for Hot-Wire Measurements

Christian Hösgen, Stephan Behre, Herwart Hönen, Peter Jeschke
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT45A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56623
https://doi.org/10.1115/GT2016-56623
View Paper titled, Analytical Uncertainty Analysis for Hot-Wire Measurements
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Topics: Uncertainty analysis, Wire, Uncertainty, Turbulence, Calibration, Pressure, Probes, Temperature, Accounting, Flow measurement
Proceedings Papers

Leveraging Correlation to Reduce Uncertainty in Efficiency Measurements for Low Pressure Ratio Fans

Anthony M. Ferrar, William C. Schneck, III, Walter F. O’Brien
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A043, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57718
https://doi.org/10.1115/GT2016-57718
View Paper titled, Leveraging Correlation to Reduce Uncertainty in Efficiency Measurements for Low Pressure Ratio Fans
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Topics: Fans, Pressure, Uncertainty, Errors, Thermocouples, Temperature, Calibration, Data acquisition systems, Experimental design, Measurement uncertainty