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Journal Articles

Blade Designs For Improved Multi-Phase Performance In sCO 2 Compressors; Part II - Optical Diagnostics In sCO 2 And Experimental Evaluation With Particle Image Velocimetry

Accepted Manuscript
Erik Fernandez, Emmanuel Gabriel-Ohanu, Ladislav Veselý, Jayanta Kapat, Ashvin Hosangadi, Paul Cooper
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1663
https://doi.org/10.1115/1.4066821
Published Online: October 11, 2024
View Article titled, Blade Designs For Improved Multi-Phase Performance In sCO 2 Compressors; Part II - Optical Diagnostics In sCO 2 And Experimental Evaluation With Particle Image Velocimetry
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Topics: Blades, Compressors, Particle image velocimetry, Suction, Flow (Dynamics), Wedges, Delays, Design, Hardware, Lasers
Journal Articles

Temperature Field Measurements in Swirl Spray Flames Using Two-Line Planar Laser Induced Fluorescence Thermometry

Chao Tao, Chi Zhang, Qiang An, Xin Xue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031009.
Paper No: GTP-24-1425
https://doi.org/10.1115/1.4066409
Published Online: October 4, 2024
View Article titled, Temperature Field Measurements in Swirl Spray Flames Using Two-Line Planar Laser Induced Fluorescence Thermometry
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Topics: Flames, Fluorescence, Lasers, Temperature, Temperature measurement, Combustion chambers
Journal Articles

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Accepted Manuscript
Chaeyeon Baek, Hyunsung Jung, Junwon Heo, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1603
https://doi.org/10.1115/1.4066781
Published Online: October 4, 2024
View Article titled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
Open the PDF for Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen in another window
Topics: Design, Hydrostatics, Journal bearings, Lasers, Nitrogen, Stress, Testing, Turbomachinery, Water, Bearings
Journal Articles

Design and Manufacture of EBC Coated SiC/SiC Nozzle Guide Vanes for High-Pressure Turbines

Accepted Manuscript
Fabia Süß, Robin Schöffler, Lion Friedrich, Anna Petersen, Felix Vogel, Martin Frieß, Andrea Ebach-Stahl
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1248
https://doi.org/10.1115/1.4066436
Published Online: September 6, 2024
View Article titled, Design and Manufacture of EBC Coated SiC/SiC Nozzle Guide Vanes for High-Pressure Turbines
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Topics: Design, High pressure (Physics), Nozzle guide vanes, Silicon carbide, Turbines, Ceramic matrix composites, Cooling, Coating processes, Coatings, Jet engines
Journal Articles

Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers

H. M. Phan, F. Newman, C. E. O'Pray, D. Parikh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111028.
Paper No: GTP-24-1272
https://doi.org/10.1115/1.4066156
Published Online: August 23, 2024
View Article titled, Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers
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Topics: Flow-induced vibrations, Heat exchangers, Temperature, Vibration, Lasers, Computer simulation, Damping, Fluids, Eigenvalues, Test facilities
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

Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components

Sandra Megahed, Karl Michael Krämer, Christian Kontermann, Christoph Heinze, Annett Udoh, Stefan Weihe, Matthias Oechsner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091023.
Paper No: GTP-23-1675
https://doi.org/10.1115/1.4065267
Published Online: April 12, 2024
View Article titled, Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components
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Topics: Creep, Lasers, Grain size, Metals
Journal Articles

Novel Combustion Instability Diagnosis Method With Upstream Pulsation of Repetitive Laser-Induced Plasmas

Clémence Rubiella, Hosung Byun, Youchan Park, Hyungrok Do
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091020.
Paper No: GTP-24-1026
https://doi.org/10.1115/1.4064806
Published Online: April 4, 2024
View Article titled, Novel Combustion Instability Diagnosis Method With Upstream Pulsation of Repetitive Laser-Induced Plasmas
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Topics: Acoustics, Combustion, Flames, Flow (Dynamics), Lasers, Plasmas (Ionized gases), Pressure, Waves
Journal Articles

Novel Combustion Instability Diagnosis Method With Upstream Pulsation of Repetitive Laser-Induced Plasmas

Clémence Rubiella, Hosung Byun, Youchan Park, Hyungrok Do
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091003.
Paper No: GTP-23-1365
https://doi.org/10.1115/1.4064727
Published Online: March 11, 2024
View Article titled, Novel Combustion Instability Diagnosis Method With Upstream Pulsation of Repetitive Laser-Induced Plasmas
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Topics: Acoustics, Combustion, Flames, Flow (Dynamics), Lasers, Plasmas (Ionized gases), Pressure, Waves
Journal Articles

Quantification of Mixing Quality Effects on Flashback Limits for H 2 -Rich Fuel Gases in Lean Premixed Combustion Using Laser-Induced Fluorescence of Acetone

Taesung Kim, Ulrich Doll, Filippo Faldella, Peter Jansohn
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071004.
Paper No: GTP-23-1337
https://doi.org/10.1115/1.4064359
Published Online: February 8, 2024
View Article titled, Quantification of Mixing Quality Effects on Flashback Limits for H 2 -Rich Fuel Gases in Lean Premixed Combustion Using Laser-Induced Fluorescence of Acetone
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Topics: Combustion, Flames, Fluorescence, Fuels, Hydrogen, Lasers, Mixing quality, Probability, Pressure, Gaseous fuels
Journal Articles

Spatial Temperature and Water Molar Concentration Measurements Using Thermal and Electrostrictive Laser-Induced Grating Spectroscopy During Operation of a Swirl Burner at Pressure

Lee Weller, Priyav Shah, Anthony Giles, Francesca De Domenico, 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. May 2024, 146(5): 051021.
Paper No: GTP-23-1338
https://doi.org/10.1115/1.4063865
Published Online: January 12, 2024
View Article titled, Spatial Temperature and Water Molar Concentration Measurements Using Thermal and Electrostrictive Laser-Induced Grating Spectroscopy During Operation of a Swirl Burner at Pressure
Open the PDF for Spatial Temperature and Water Molar Concentration Measurements Using Thermal and Electrostrictive Laser-Induced Grating Spectroscopy During Operation of a Swirl Burner at Pressure in another window
Topics: Diffraction gratings, Flames, Lasers, Signals, Spectroscopy, Temperature, Water, High pressure (Physics), Combustion, Water vapor
Journal Articles

Characterization of a Novel Additive Manufacturing Micromix Nozzle Burning Methane to Hydrogen

Antoine Durocher, Luming Fan, Benjamin Francolini, Marc Füri, Gilles Bourque, Julien Sirois, David May, Jeffrey M. Bergthorson, Sean Yun, Patrizio Vena
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051009.
Paper No: GTP-23-1444
https://doi.org/10.1115/1.4063690
Published Online: December 11, 2023
View Article titled, Characterization of a Novel Additive Manufacturing Micromix Nozzle Burning Methane to Hydrogen
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Topics: Combustion, Ejectors, Flames, Fuels, Hydrogen, Lasers, Methane, Nozzles, Stability, Flow (Dynamics)
Journal Articles

CO Laser Absorption Measurements During Syngas Combustion at High Pressure

Sean P. Cooper, Damien Nativel, Olivier Mathieu, Mustapha Fikri, Eric L. Petersen, Christof Schulz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121006.
Paper No: GTP-23-1308
https://doi.org/10.1115/1.4063414
Published Online: October 17, 2023
View Article titled, CO Laser Absorption Measurements During Syngas Combustion at High Pressure
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Topics: Absorption, Carbon dioxide, Combustion, Electromagnetic induction, High pressure (Physics), Ignition delay, Lasers, Pressure, Shock tubes, Syngas
Journal Articles

Investigation of Soot in a Model CFM56 Atmospheric Combustor Using In-Situ Laser-Induced Incandescence Calibration

Arvind Krishnasamy Bharathi, Poorva Shrivastava, Hrishikesh Srivatsav, Muruganandam T. M., Vasudevarao K.
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071002.
Paper No: GTP-22-1485
https://doi.org/10.1115/1.4056719
Published Online: February 27, 2023
View Article titled, Investigation of Soot in a Model CFM56 Atmospheric Combustor Using In-Situ Laser-Induced Incandescence Calibration
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Topics: Calibration, Combustion chambers, Flames, Lasers, Light emission, Soot, Sprays, Flow (Dynamics), Imaging, Temperature
Journal Articles

Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications

Hannah G. Lea, Rochelle S. Wooding, Sam Kuhr, John Rotella, José Luis Córdova
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061017.
Paper No: GTP-22-1362
https://doi.org/10.1115/1.4056794
Published Online: February 15, 2023
View Article titled, Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications
Open the PDF for Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications in another window
Topics: Additive manufacturing, Creep, High cycle fatigue, Lasers, Mechanical properties, Rupture, Temperature, Testing, Stress, Blanks
Journal Articles

Next Generation Air Plasma Spray Porous Thermal Barrier Coatings for Gas Turbine Combustors

Nagaraja Rudrapatna, Bradley Lutz, Harry Kington
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041004.
Paper No: GTP-22-1413
https://doi.org/10.1115/1.4055919
Published Online: December 8, 2022
View Article titled, Next Generation Air Plasma Spray Porous Thermal Barrier Coatings for Gas Turbine Combustors
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Topics: Coating processes, Coatings, Combustion chambers, Cycles, Gas turbines, Manufacturing, Plasmas (Ionized gases), Sprays, Stability, Temperature
Journal Articles

Analyses of Damping Sustainability of Additively Manufactured Nickel Alloy Components Subjected to High Strain Loading Cycles

John P. Hollkamp, Onome Scott-Emuakpor, Dino Celli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031011.
Paper No: GTP-22-1462
https://doi.org/10.1115/1.4055579
Published Online: December 5, 2022
View Article titled, Analyses of Damping Sustainability of Additively Manufactured Nickel Alloy Components Subjected to High Strain Loading Cycles
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Topics: Damping, Particulate matter, Sustainability, Lasers, Additive manufacturing, Dampers
Journal Articles

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO 2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021012.
Paper No: GTP-22-1365
https://doi.org/10.1115/1.4055723
Published Online: November 28, 2022
View Article titled, Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO 2 Power Cycle Application
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Topics: Design, Heat exchangers, Temperature, Heat transfer, Lasers, Flow (Dynamics), Pressure, Pressure drop, Additive manufacturing, Thermodynamic power cycles
Journal Articles

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Onome Scott-Emuakpor, Brian Runyon, Daniel Gillaugh, Lucas Smith, Phil Johnson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121025.
Paper No: GTP-22-1320
https://doi.org/10.1115/1.4056014
Published Online: November 23, 2022
View Article titled, Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades
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Topics: Blades, High cycle fatigue, Maintenance, Lasers, Stress, Fatigue, Acceptance criteria, Cycles
Journal Articles

Investigation of Water Films Shed From an Airfoil in a High-Speed Flow

Brandon Esquivias, Brendan Hickey, Vincent McDonell, Soichiro Tabata, Shigeki Senoo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121002.
Paper No: GTP-22-1418
https://doi.org/10.1115/1.4055453
Published Online: September 28, 2022
View Article titled, Investigation of Water Films Shed From an Airfoil in a High-Speed Flow
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Topics: Airfoils, Diffraction, Drops, Flow (Dynamics), Lasers, Water, Pressure