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Journal Articles

Review of Turbine Cooling Technologies

Accepted Manuscript
Dariusz Olczak, Maciej Jaworski
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Review Articles
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1629
DOI: https://doi.org/10.1115/1.4062562
Published Online: May 18, 2023
View Article titled, Review of Turbine Cooling Technologies
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Topics: Cooling, Turbines, Gas turbines, Additive manufacturing, Film cooling, Heat transfer, Operating temperature, Thermomechanics, Turbulence
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061017.
Paper No: GTP-22-1362
DOI: 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
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Topics: Additive manufacturing, Creep, High cycle fatigue, Lasers, Mechanical properties, Rupture, Temperature, Testing, Stress, Blanks
Journal Articles

Creep Analysis and Microstructural Evaluation of a Novel Additively Manufactured Nickel-Base Superalloy (ABD ® -900AM)

Alex Bridges, John Shingledecker, John Clark, David Crudden
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061005.
Paper No: GTP-22-1421
DOI: https://doi.org/10.1115/1.4056097
Published Online: January 13, 2023
View Article titled, Creep Analysis and Microstructural Evaluation of a Novel Additively Manufactured Nickel-Base Superalloy (ABD ® -900AM)
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Topics: Creep, Rupture, Stress, Superalloys, Temperature, Nickel, Heat, Additive manufacturing
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031011.
Paper No: GTP-22-1462
DOI: 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
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021012.
Paper No: GTP-22-1365
DOI: 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

Design Methodology and Concept Demonstration of Preassembled Additively Manufactured Turbomachinery Systems: Case Study of Turbocharger Based Medical Ventilators

Acar Çelik, David Linsky, Ron Miezner, Alex Kleiman, Boris Leizeronok, Michael Palman, Sercan Acarer, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121010.
Paper No: GTP-22-1353
DOI: https://doi.org/10.1115/1.4055461
Published Online: October 7, 2022
View Article titled, Design Methodology and Concept Demonstration of Preassembled Additively Manufactured Turbomachinery Systems: Case Study of Turbocharger Based Medical Ventilators
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Topics: Additive manufacturing, Bearings, Biomedicine, Design, Flow (Dynamics), Hydrostatics, Pressure, Turbines, Turbomachinery, Manufacturing
Journal Articles

Investigation of Gas Turbine Internal Cooling Using Supercritical CO 2 —Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111019.
Paper No: GTP-22-1358
DOI: https://doi.org/10.1115/1.4055497
Published Online: September 23, 2022
View Article titled, Investigation of Gas Turbine Internal Cooling Using Supercritical CO 2 —Effect of Surface Roughness and Channel Aspect Ratio
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Topics: Computational fluid dynamics, Cooling, Flow (Dynamics), Heat transfer, Reynolds number, Surface roughness, Friction, Simulation, Gas turbines, Sands
Journal Articles

Mechanical Testing of Additively Manufactured Superalloy Lugs

Sushovan Roychowdhury, Henrik Karlsson, Björn Henriksson, Pher-Ola Carlson
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031018.
Paper No: GTP-21-1351
DOI: https://doi.org/10.1115/1.4052783
Published Online: January 3, 2022
View Article titled, Mechanical Testing of Additively Manufactured Superalloy Lugs
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Topics: Crack propagation, Fracture (Materials), Stress, Rupture, Simulation, Additive manufacturing, Superalloys
Journal Articles

Express Wire Coil Cladding as an Advanced Technology to Accelerate Additive Manufacturing and Coating

Marius Gipperich, Jan Riepe, Robin Day, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021003.
Paper No: GTP-21-1310
DOI: https://doi.org/10.1115/1.4052089
Published Online: November 1, 2021
View Article titled, Express Wire Coil Cladding as an Advanced Technology to Accelerate Additive Manufacturing and Coating
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Topics: Cladding systems (Building), Lasers, Wire, Winding (process), Additive manufacturing
Journal Articles

Electrochemical Defect Analysis of Additive Manufactured Components

Florian Sous, Tim Herrig, Thomas Bergs, Florian Karges, Nicole Feiling, Markus Zeis
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011001.
Paper No: GTP-21-1341
DOI: https://doi.org/10.1115/1.4052199
Published Online: October 12, 2021
View Article titled, Electrochemical Defect Analysis of Additive Manufactured Components
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Topics: Additive manufacturing, Defect analysis, Machining, Quality control, X-rays
Journal Articles

Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping

Onome Scott-Emuakpor, Luke Sheridan, Brian Runyon, Tommy George
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101009.
Paper No: GTP-20-1707
DOI: https://doi.org/10.1115/1.4051489
Published Online: September 3, 2021
View Article titled, Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping
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Topics: Damping, Fatigue, Vibration, Additive manufacturing, Stress, Vibration suppression, Fatigue life
Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081024.
Paper No: GTP-20-1710
DOI: https://doi.org/10.1115/1.4050865
Published Online: May 7, 2021
View Article titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing
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Topics: Bearings, Design, Stress, Testing, Thrust, Thrust bearings, Turbomachinery, Additive manufacturing, Springs, Stiffness
Journal Articles

Structural Dynamic and Inherent Damping Characterization of Additively Manufactured Airfoil Components

Andrew Goldin, Onome Scott-Emuakpor, Tommy George, Brian Runyon, Richard Cobb
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051022.
Paper No: GTP-20-1743
DOI: https://doi.org/10.1115/1.4050022
Published Online: March 15, 2021
View Article titled, Structural Dynamic and Inherent Damping Characterization of Additively Manufactured Airfoil Components
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Topics: Additive manufacturing, Blades, Damping, Testing, Vibration, Structural dynamics, Inspection
Journal Articles

Dimensional Characterizations Using Scanning Electron Microscope and Surface Improvement With Electrochemical Polishing of Additively Manufactured Microchannels

Zheng Min, Yingjie Wu, Kailai Yang, Jin Xu, Sarwesh Narayan Parbat, Minking K. Chyu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041020.
Paper No: GTP-20-1735
DOI: https://doi.org/10.1115/1.4049908
Published Online: February 26, 2021
View Article titled, Dimensional Characterizations Using Scanning Electron Microscope and Surface Improvement With Electrochemical Polishing of Additively Manufactured Microchannels
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Topics: Additive manufacturing, Electrolytic polishing, Microchannels, Printing, Scanning electron microscopes, Surface roughness
Journal Articles

New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

Lukas Badum, Boris Leizeronok, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021006.
Paper No: GTP-20-1454
DOI: https://doi.org/10.1115/1.4048695
Published Online: January 18, 2021
View Article titled, New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications
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Topics: Additive manufacturing, Bearings, Compressors, Cycles, Design, Generators, Pressure, Rotors, Temperature, Turbines
Journal Articles

Considerations for Using Additive Manufacturing Technology in Centrifugal Compressor Research

Matthew A. Meier, William J. Gooding, John Fabian, Nicole Key
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031018.
Paper No: GTP-19-1344
DOI: https://doi.org/10.1115/1.4044937
Published Online: February 4, 2020
View Article titled, Considerations for Using Additive Manufacturing Technology in Centrifugal Compressor Research
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Topics: Additive manufacturing, Compressors, Design, Diffusers, Instrumentation, Manufacturing, Geometry, Stereolithography
Journal Articles

Assessing Additive Manufacturing Repeatability of Inherently Damped Nickel Alloy Components

Onome Scott-Emuakpor, Tommy George, Brian Runyon, Casey Holycross, Luke Sheridan, Ryan O'Hara
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031011.
Paper No: GTP-19-1316
DOI: https://doi.org/10.1115/1.4044314
Published Online: January 29, 2020
View Article titled, Assessing Additive Manufacturing Repeatability of Inherently Damped Nickel Alloy Components
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Topics: Damping, Manufacturing, Additive manufacturing, Nickel alloys
Journal Articles

Process Optimization of Wire-Based Laser Metal Deposition of Titanium

Martin Schulz, Fritz Klocke, Jan Riepe, Nils Klingbeil, Kristian Arntz
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 052102.
Paper No: GTP-18-1394
DOI: https://doi.org/10.1115/1.4041167
Published Online: February 25, 2019
View Article titled, Process Optimization of Wire-Based Laser Metal Deposition of Titanium
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Topics: Lasers, Optimization, Titanium, Wire, Metals, Additive manufacturing, Heat
Journal Articles

Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247–Amdry DF3 Powders

Alexandre Gontcharov, Yuan Tian, Paul Lowden, Mathieu Brochu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041031.
Paper No: GTP-18-1367
DOI: https://doi.org/10.1115/1.4041009
Published Online: December 7, 2018
View Article titled, Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247–Amdry DF3 Powders
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Topics: Brazing, Cladding systems (Building), Fillers (Materials), Laser beams, Maintenance, Mechanical properties, Precipitation, Superalloys, Temperature, Welded joints
Journal Articles

Fabrication and Characterization of Additive Manufactured Nickel-Based Oxide Dispersion Strengthened Coating Layer for High-Temperature Application

Zheng Min, Sarwesh Narayan Parbat, Li Yang, Bruce Kang, Minking K. Chyu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062101.
Paper No: GTP-17-1318
DOI: https://doi.org/10.1115/1.4038351
Published Online: January 23, 2018
View Article titled, Fabrication and Characterization of Additive Manufactured Nickel-Based Oxide Dispersion Strengthened Coating Layer for High-Temperature Application
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Topics: Coating processes, Coatings, High temperature, Manufacturing, Nickel, Oxidation, Additive manufacturing, Lasers