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Journal Articles

Critical Appraisal of Integrated Computational Fluid Dynamics/Surface Roughness Models for Additive Manufactured Swirl Burners

Open Access
Rashed Al-Ajmi, Mohammed Al-Shaghdari, Burak Goktepe, Ianos Psomoglou, Phil Bowen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2025, 147(9): 091016.
Paper No: GTP-24-1730
https://doi.org/10.1115/1.4067738
Published Online: February 26, 2025
View Articletitled, Critical Appraisal of Integrated Computational Fluid Dynamics/Surface Roughness Models for Additive Manufactured Swirl Burners
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Topics: Computational fluid dynamics, Surface roughness, Additive manufacturing, Turbulence
Journal Articles

Fuel Thermal Management and Injector Part Design for LPBF Manufacturing

Available to Purchase
Ralf Becker, Galina Kasperovich, Peter Tiessen, Jan Haubrich, Thomas Behrendt, Bertram Janus
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2025, 147(9): 091003.
Paper No: GTP-24-1779
https://doi.org/10.1115/1.4067299
Published Online: January 20, 2025
View Articletitled, Fuel Thermal Management and Injector Part Design for LPBF Manufacturing
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Topics: Design, Fuels, Laser powder bed fusion, Manufacturing, Shapes, Thermal management, Surface roughness
Journal Articles

The Effect of Additive “Depositional” Reprofiling of Compressor Blade Leading Edges on Engine Performance

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Drew Mullaney, Merren Jones, Nicholas Bojdo, Stephen Covey-Crump, Alison Pawley
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061023.
Paper No: GTP-24-1674
https://doi.org/10.1115/1.4066924
Published Online: December 20, 2024
View Articletitled, The Effect of Additive “Depositional” Reprofiling of Compressor Blade Leading Edges on Engine Performance
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Topics: Engines, Surface roughness
Journal Articles

Dynamic Modeling and Experimental Modal Analysis for the Central Rod-Fastened Rotor With Hirth Couplings Based on Fractal Contact Theory

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Gancai Huang, Chao Liu, Dongxiang Jiang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101015.
Paper No: GTP-24-1061
https://doi.org/10.1115/1.4065672
Published Online: June 18, 2024
View Articletitled, Dynamic Modeling and Experimental Modal Analysis for the Central Rod-Fastened Rotor With Hirth Couplings Based on Fractal Contact Theory
Open the PDF for Dynamic Modeling and Experimental Modal Analysis for the Central Rod-Fastened Rotor With Hirth Couplings Based on Fractal Contact Theory in another window
Topics: Couplings, Fractals, Rotors, Stiffness, Surface roughness, Testing, Dynamic modeling, Shapes
Journal Articles

Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V

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Tobias Kelliger, Markus Meurer, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031013.
Paper No: GTP-23-1393
https://doi.org/10.1115/1.4063553
Published Online: November 21, 2023
View Articletitled, Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V
Open the PDF for Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V in another window
Topics: Additive manufacturing, Cutting, Machining, Milling, Wear, Manufacturing, Machine tools, Geometry, Mechanical properties, Surface roughness
Journal Articles

A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors

Available to Purchase
Yitong Liu, Wuqi Gong, Lu Liang, Qi Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2023, 145(10): 101004.
Paper No: GTP-23-1107
https://doi.org/10.1115/1.4063229
Published Online: August 31, 2023
View Articletitled, A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors
Open the PDF for A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors in another window
Topics: Clearances (Engineering), Compressors, Engineering prototypes, Reynolds number, Surface roughness, Numerical analysis, Test facilities, Flow (Dynamics), Computational fluid dynamics, Pressure
Journal Articles

Life Cycle Assessment for Rough Machining of Inconel 718 Comparing Ceramic to Cemented Carbide End Mills

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Kilian Fricke, Richard Zimmermann, Philipp Ganser, Sascha Gierlings, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121024.
Paper No: GTP-22-1342
https://doi.org/10.1115/1.4055493
Published Online: October 19, 2022
View Articletitled, Life Cycle Assessment for Rough Machining of Inconel 718 Comparing Ceramic to Cemented Carbide End Mills
Open the PDF for Life Cycle Assessment for Rough Machining of Inconel 718 Comparing Ceramic to Cemented Carbide End Mills in another window
Topics: Ceramics, Cycles, Grinding, Machining, Milling, Life cycle assessment, Cutting, Carbide cutting tools, Surface roughness
Journal Articles

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

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Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111019.
Paper No: GTP-22-1358
https://doi.org/10.1115/1.4055497
Published Online: September 23, 2022
View Articletitled, 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

Microtomography of Soil and Soot Deposits: Analysis of Three-Dimensional Structures and Surface Morphology

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Alessio Suman, Alessandro Vulpio, Michele Pinelli, Lorenzo D'Amico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101010.
Paper No: GTP-22-1370
https://doi.org/10.1115/1.4055217
Published Online: September 3, 2022
View Articletitled, Microtomography of Soil and Soot Deposits: Analysis of Three-Dimensional Structures and Surface Morphology
Open the PDF for Microtomography of Soil and Soot Deposits: Analysis of Three-Dimensional Structures and Surface Morphology in another window
Topics: Particulate matter, Soil, Soot, Surface roughness, Compressors, Packing (Shipments), Packings (Cushioning), Shapes, Gas turbines
Journal Articles

Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces

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Cyrille Bricaud, Oliver Schulz, Thomas Zierer, Vincent Peltier, Corina Schwitzke, Hans-Jörg Bauer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061006.
Paper No: GTP-21-1690
https://doi.org/10.1115/1.4053965
Published Online: March 21, 2022
View Articletitled, Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces
Open the PDF for Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces in another window
Topics: Leakage, Pressure, Surface roughness, Sealing (Process)
Journal Articles

Numerical and Experimental Study on Rod-Fastened Rotor Dynamics Using Semi-Analytical Elastic-Plastic Model

Available to Purchase
Wenzhen Xie, Chao Liu, Gancai Huang, Dongxiang Jiang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. June 2022, 144(6): 064501.
Paper No: GTP-21-1505
https://doi.org/10.1115/1.4053780
Published Online: March 11, 2022
View Articletitled, Numerical and Experimental Study on Rod-Fastened Rotor Dynamics Using Semi-Analytical Elastic-Plastic Model
Open the PDF for Numerical and Experimental Study on Rod-Fastened Rotor Dynamics Using Semi-Analytical Elastic-Plastic Model in another window
Topics: Disks, Rotors, Stiffness, Surface roughness, Modeling
Journal Articles

Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture

Available to Purchase
Timm Petersen, Markus Zeis, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031007.
Paper No: GTP-21-1500
https://doi.org/10.1115/1.4052562
Published Online: December 7, 2021
View Articletitled, Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture
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Topics: Electrical discharge machining, Fracture (Materials), Graphite, Machining, Optimization, Wear, Surface roughness, Turbines, Machinery, Mass production
Journal Articles

Effect of Eccentricity and Surface Roughness on Probabilistic Performance of Two Axial Groove Bearing

Available to Purchase
Biswajit Roy, Lintu Roy, Sudip Dey
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101013.
Paper No: GTP-21-1061
https://doi.org/10.1115/1.4051910
Published Online: September 20, 2021
View Articletitled, Effect of Eccentricity and Surface Roughness on Probabilistic Performance of Two Axial Groove Bearing
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Topics: Bearings, Surface roughness, Steady state, Journal bearings, Simulation, Flow (Dynamics)
Journal Articles

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

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

Review of Geometric Uncertainty Quantification in Gas Turbines

Available to Purchase
Junying Wang, Xinqian Zheng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Review Articles
J. Eng. Gas Turbines Power. July 2020, 142(7): 070801.
Paper No: GTP-19-1561
https://doi.org/10.1115/1.4047179
Published Online: June 30, 2020
View Articletitled, Review of Geometric Uncertainty Quantification in Gas Turbines
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Topics: Blades, Compressors, Gas turbines, Manufacturing, Turbines, Uncertainty, Uncertainty quantification, Surface roughness
Journal Articles

Characterization of Additive Layer Manufacturing Swirl Burner Surface Roughness and Its Effects on Flame Stability Using High-Speed Diagnostics

Open Access
Jon Runyon, Anthony Giles, Richard Marsh, Daniel Pugh, Burak Goktepe, Philip Bowen, Steve Morris
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041017.
Paper No: GTP-19-1389
https://doi.org/10.1115/1.4044950
Published Online: February 4, 2020
View Articletitled, Characterization of Additive Layer Manufacturing Swirl Burner Surface Roughness and Its Effects on Flame Stability Using High-Speed Diagnostics
Open the PDF for Characterization of Additive Layer Manufacturing Swirl Burner Surface Roughness and Its Effects on Flame Stability Using High-Speed Diagnostics in another window
Topics: Chemiluminescence, Flames, Flow (Dynamics), Stability, Surface roughness, Nozzles, Emissions, Exhaust systems, Manufacturing, Combustion
Journal Articles

Multiscale Parallelized Computational Fluid Dynamics Modeling Toward Resolving Manufacturable Roughness

Available to Purchase
Marios Kapsis, Li He, Yan Sheng Li, Omar Valero, Roger Wells, Senthil Krishnababu, Gaurav Gupta, Jayanta Kapat, Megan Schaenzer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021001.
Paper No: GTP-19-1570
https://doi.org/10.1115/1.4045481
Published Online: December 12, 2019
View Articletitled, Multiscale Parallelized Computational Fluid Dynamics Modeling Toward Resolving Manufacturable Roughness
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Topics: Flow (Dynamics), Surface roughness, Computational fluid dynamics, Modeling, Simulation
Journal Articles

A New Structural Bump Foil Model With Application From Start-Up to Full Operating Conditions

Available to Purchase
Mihai Arghir, Omar Benchekroun
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2019, 141(10): 101017.
Paper No: GTP-19-1332
https://doi.org/10.1115/1.4044685
Published Online: September 20, 2019
View Articletitled, A New Structural Bump Foil Model With Application From Start-Up to Full Operating Conditions
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Topics: Algorithms, Bearings, Errors, Film thickness, Foil bearings, Friction, Lubrication, Manufacturing, Rotors, Stress
Journal Articles

Surface Roughness Impact on Low-Pressure Turbine Performance Due to Operational Deterioration

Available to Purchase
Andreas Kellersmann, Sarah Weiler, Christoph Bode, Jens Friedrichs, Jörn Städing, Günter Ramm
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062601.
Paper No: GTP-17-1308
https://doi.org/10.1115/1.4038246
Published Online: January 17, 2018
View Articletitled, Surface Roughness Impact on Low-Pressure Turbine Performance Due to Operational Deterioration
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Topics: Pressure, Surface roughness, Turbines, Blades
Journal Articles

Independent Effects of Surface and Gas Temperature on Coal Fly Ash Deposition in Gas Turbines at Temperatures up to 1400 °C

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Robert Laycock, Thomas H. Fletcher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2016, 138(2): 021402.
Paper No: GTP-15-1277
https://doi.org/10.1115/1.4031318
Published Online: September 16, 2015
View Articletitled, Independent Effects of Surface and Gas Temperature on Coal Fly Ash Deposition in Gas Turbines at Temperatures up to 1400 °C
Open the PDF for Independent Effects of Surface and Gas Temperature on Coal Fly Ash Deposition in Gas Turbines at Temperatures up to 1400 °C in another window
Topics: Particulate matter, Surface roughness, Temperature, Gas turbines, Density, Coal, Fly ash