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Journal Articles

Aerodynamic Feasibility Investigation of the Novel Experimental Rig On Turbine Blade Tip with High Relative Motion

Accepted Manuscript
Xu Peng, Hongmei Jiang, Shaopeng Lu, Ziyang Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1203
https://doi.org/10.1115/1.4066534
Published Online: September 13, 2024
View Article titled, Aerodynamic Feasibility Investigation of the Novel Experimental Rig On Turbine Blade Tip with High Relative Motion
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Topics: Belts, Cascades (Fluid dynamics), Computational fluid dynamics, Design, Disks, Exterior walls, Flow (Dynamics), Leakage, Mach number, Pressure
Journal Articles

Dynamical Systems Characterization and Reduced Order Modeling of Thermoacoustics in a Lean Direct Injection Hydrogen Combustor

Ankit D. Kumar, Chinonso Ezenwajiaku, Ramanarayanan Balachandran, Andrea Ducci, Midhat Talibi, James C. Massey, Nedunchezhian Swaminathan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121008.
Paper No: GTP-24-1326
https://doi.org/10.1115/1.4066149
Published Online: August 23, 2024
View Article titled, Dynamical Systems Characterization and Reduced Order Modeling of Thermoacoustics in a Lean Direct Injection Hydrogen Combustor
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Topics: Acoustics, Combustion chambers, Dynamic systems, Flames, Hydrogen, Modeling, Oscillations, Pressure, Time series, Signals
Journal Articles

Performance Characterization of a Radial Rotating Detonation Combustor With Axial Exhaust

Dalton Langner, Apurav Gupta, Ashley James, Ajay K. Agrawal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121003.
Paper No: GTP-24-1287
https://doi.org/10.1115/1.4066152
Published Online: August 23, 2024
View Article titled, Performance Characterization of a Radial Rotating Detonation Combustor With Axial Exhaust
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Topics: Combustion chambers, Engines, Explosions, Flow (Dynamics), Pressure, Waves, Thrust, Fluctuations (Physics), Combustion, Probes
Journal Articles

Quantitative Measurements in the Exhaust Flow of A Rotating Detonation Combustor Using Rainbow Schlieren Deflectometry

Apurav Gupta, Robert Miller, Kayla Bell, Dalton Langner, Ajay K. Agrawal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121004.
Paper No: GTP-24-1288
https://doi.org/10.1115/1.4066162
Published Online: August 23, 2024
View Article titled, Quantitative Measurements in the Exhaust Flow of A Rotating Detonation Combustor Using Rainbow Schlieren Deflectometry
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Topics: Combustion chambers, Deflection, Density, Exhaust systems, Explosions, Flow (Dynamics), Waves, Pressure, Probes, Plumes (Fluid dynamics)
Journal Articles

Spatial Temperature Measurements in a Swirl-Stabilized Hydrogen–Air Diffusion Flame at Elevated Pressure Using Laser-Induced Grating Spectroscopy

Oussama Chaib, Lee Weller, Anthony Giles, Steve Morris, Benjamin A. O. Williams, Simone Hochgreb
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111020.
Paper No: GTP-24-1252
https://doi.org/10.1115/1.4065996
Published Online: August 21, 2024
View Article titled, Spatial Temperature Measurements in a Swirl-Stabilized Hydrogen–Air Diffusion Flame at Elevated Pressure Using Laser-Induced Grating Spectroscopy
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Topics: Combustion chambers, Diffraction gratings, Flames, High pressure (Physics), Hydrogen, Lasers, Probes, Simulation, Spectra (Spectroscopy), Spectroscopy
Journal Articles

Comparative Analysis of Total Pressure Measurement Techniques in Rotating Detonation Combustors

Hongyi Wei, Tim Kayser, Eric Bach, Christian Oliver Paschereit, Myles D. Bohon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111022.
Paper No: GTP-24-1277
https://doi.org/10.1115/1.4066049
Published Online: August 21, 2024
View Article titled, Comparative Analysis of Total Pressure Measurement Techniques in Rotating Detonation Combustors
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Topics: Combustion chambers, Pressure, Pressure measurement, Probes, Uncertainty, Explosions, Thrust, Flow (Dynamics), Stress
Journal Articles

Accuracy of Steady Pneumatic Probes in Unsteady Turbomachinery Flows

Tim Sebastian Widera, Bastian Patzer, Stephan Behre, Peter Jeschke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111014.
Paper No: GTP-24-1234
https://doi.org/10.1115/1.4065924
Published Online: August 16, 2024
View Article titled, Accuracy of Steady Pneumatic Probes in Unsteady Turbomachinery Flows
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Topics: Probes, Pressure, Flow (Dynamics), Mach number
Journal Articles

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine

Antonio Castillo Sauca, Guillermo Paniagua
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061016.
Paper No: GTP-23-1462
https://doi.org/10.1115/1.4063886
Published Online: January 4, 2024
View Article titled, Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine
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Topics: Blades, Calibration, Capacitance, Clearances (Engineering), Probes, Signals, Heat flux, Turbines, Pressure
Journal Articles

Validation of Rotating Detonation Combustor Computational Fluid Dynamics Simulations for Predicting Unsteady Supersonic–Subsonic Flow Field at the Exit

Piyush Raj, Shaon Talukdar, Dalton Langer, Apurav Gupta, Joseph Meadows, Ajay Agrawal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041012.
Paper No: GTP-23-1481
https://doi.org/10.1115/1.4063706
Published Online: December 8, 2023
View Article titled, Validation of Rotating Detonation Combustor Computational Fluid Dynamics Simulations for Predicting Unsteady Supersonic–Subsonic Flow Field at the Exit
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Topics: Combustion chambers, Computational fluid dynamics, Explosions, Methane, Pressure, Probes, Simulation, Waves, Flow (Dynamics), Boundary-value problems
Journal Articles

Experimental Measurements of Flow-Averaged Toroidal Vortices in Buoyancy-Dominated Rotating Cavities

Emma Fisher, Mark R. Puttock-Brown
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041006.
Paper No: GTP-23-1433
https://doi.org/10.1115/1.4063689
Published Online: December 6, 2023
View Article titled, Experimental Measurements of Flow-Averaged Toroidal Vortices in Buoyancy-Dominated Rotating Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Probes, Vortices, Buoyancy
Journal Articles

The Hybrid Pathway to Flexible Power Turbines, Part I: Novel Autoencoder Methods for the Automated Optimization of Thermal Probes and Fast Sparse Data Reconstruction, Enabling Real-Time Thermal Analysis

Mark Baker, Budimir Rosic
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031020.
Paper No: GTP-23-1391
https://doi.org/10.1115/1.4063581
Published Online: December 1, 2023
View Article titled, The Hybrid Pathway to Flexible Power Turbines, Part I: Novel Autoencoder Methods for the Automated Optimization of Thermal Probes and Fast Sparse Data Reconstruction, Enabling Real-Time Thermal Analysis
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Topics: Artificial neural networks, Optimization, Probes, Temperature, Turbines, Transients (Dynamics), Simulation, Heat transfer
Journal Articles

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas

Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021010.
Paper No: GTP-23-1246
https://doi.org/10.1115/1.4063577
Published Online: November 2, 2023
View Article titled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Inlet guide vanes, Pressure, Rotors, Surges, Blades, Entropy
Journal Articles

Machine Learning-Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121017.
Paper No: GTP-23-1323
https://doi.org/10.1115/1.4063532
Published Online: October 26, 2023
View Article titled, Machine Learning-Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate
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Topics: Artificial neural networks, Bearings, Optimization, Temperature, Journal bearings, Stress, Probes
Journal Articles

Calculation of Thermodynamic Wetness Loss in Steam Turbines Using Computational Fluid Dynamics Simulation

Michal Hoznedl, Michal Kolovratník, Gukchol Jun
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011008.
Paper No: GTP-23-1385
https://doi.org/10.1115/1.4063322
Published Online: October 25, 2023
View Article titled, Calculation of Thermodynamic Wetness Loss in Steam Turbines Using Computational Fluid Dynamics Simulation
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Topics: Blades, Condensation, Nucleation (Physics), Steam, Turbines, Steam turbines, Flow (Dynamics), Drops, Computational fluid dynamics, Pressure
Journal Articles

Experimental Investigation on the Correlation Between Total Pressure and Swirl Distortions

Haideng Zhang, Yun Wu, Enbo Sun, Shanzhen Li, Lifu Zhang, Yuhan Long
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111007.
Paper No: GTP-23-1056
https://doi.org/10.1115/1.4063307
Published Online: September 29, 2023
View Article titled, Experimental Investigation on the Correlation Between Total Pressure and Swirl Distortions
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Topics: Flow (Dynamics), Pressure, Probes
Journal Articles

Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

Jason Wilkes, Natalie Smith, Balaji Venkataraman, Marco Vagani, Sara Goucher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051012.
Paper No: GTP-21-1576
https://doi.org/10.1115/1.4056109
Published Online: January 10, 2023
View Article titled, Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor
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Topics: Brakes, Cavities, Compressors, Design, Flow (Dynamics), Impellers, Pressure, Probes, Rotors
Journal Articles

Real Time Precursor Calculation for the Early Detection of Combustion Instabilities

R. Meloni, N. Giannini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091016.
Paper No: GTP-22-1293
https://doi.org/10.1115/1.4055215
Published Online: August 24, 2022
View Article titled, Real Time Precursor Calculation for the Early Detection of Combustion Instabilities
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Topics: Acoustics, Algorithms, Combustion, Combustion chambers, Flames, Pressure, Sound pressure, Probes
Journal Articles

Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load

Oliver Pütz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091007.
Paper No: GTP-22-1223
https://doi.org/10.1115/1.4055017
Published Online: August 1, 2022
View Article titled, Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load
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Topics: Blades, Excitation, Pressure, Transients (Dynamics), Flow (Dynamics), Resonance ionization spectroscopy, Turbines, Computation, Design, Stress
Journal Articles

Prediction of Pressure Rise in a Gas Turbine Exhaust Duct Under Flameout Scenarios While Operating on Hydrogen and Natural Gas Blends

Orlando J. Ugarte, Suresh Menon, Wayne Rattigan, Paul Winstanley, Priyank Saxena, Michel Akiki, Terry Tarver
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041005.
Paper No: GTP-21-1406
https://doi.org/10.1115/1.4052358
Published Online: January 13, 2022
View Article titled, Prediction of Pressure Rise in a Gas Turbine Exhaust Duct Under Flameout Scenarios While Operating on Hydrogen and Natural Gas Blends
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Topics: Ducts, Exhaust systems, Flames, Fuels, Gas turbines, Heat recovery steam generators, Hydrogen, Methane, Pressure, Simulation
Journal Articles

Turbine Inlet Temperature Measurements in an 8200 KW Gas Turbine Using Water Vapor Emission

Dale R. Tree, Dustin Badger, Darrel Zeltner, Mohsen Rezasoltani
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031019.
Paper No: GTP-21-1413
https://doi.org/10.1115/1.4052261
Published Online: January 3, 2022
View Article titled, Turbine Inlet Temperature Measurements in an 8200 KW Gas Turbine Using Water Vapor Emission
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Topics: Emissions, Emissivity, Probes, Temperature, Turbines, Uncertainty, Water vapor