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Journal Articles

Fuel Thermal Management and Injector Part Design for LPBF Manufacturing

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 Article titled, 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

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Christoph Brandstetter, Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081010.
Paper No: GTP-24-1707
https://doi.org/10.1115/1.4067221
Published Online: January 20, 2025
View Article titled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Blades, Vibration, Clearances (Engineering), Rotors, Manufacturing, Flow (Dynamics)
Journal Articles

Effects of the Geometric Uncertainties of Bladed Disks Through the Analytical Derivatives of the Finite Element Matrices

Abdelhakim Bouras, Luigi Carassale
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061022.
Paper No: GTP-24-1673
https://doi.org/10.1115/1.4066894
Published Online: December 20, 2024
View Article titled, Effects of the Geometric Uncertainties of Bladed Disks Through the Analytical Derivatives of the Finite Element Matrices
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Topics: Bladed disks, Blades, Finite element analysis, Geometry, Stiffness, Uncertainty, Sensitivity analysis, Manufacturing
Journal Articles

Residual Stress Optimization for Manufacturing of a Nozzle Guide Vane in Mar-M-509 by Laser Powder Bed Fusion

Sébastien Lani, Yogiraj Pardhi, Hossein Ghasemi, Felix Reinert, Andreas Burn, Charles Soothill
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041030.
Paper No: GTP-24-1535
https://doi.org/10.1115/1.4066897
Published Online: December 11, 2024
View Article titled, Residual Stress Optimization for Manufacturing of a Nozzle Guide Vane in Mar-M-509 by Laser Powder Bed Fusion
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Topics: Computer-aided design, Deformation, Lasers, Manufacturing, Nozzle guide vanes, Optimization, Printing, Simulation, Stress, Temperature
Journal Articles

Effects of Lattice Orientation Angle On Tpms-Based Transpiration Cooling

Accepted Manuscript
Juchan Son, Mohsen Broumand, Yeongmin Pyo, Partick Richer, Bertrand Jodoin, Zekai Hong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1552
https://doi.org/10.1115/1.4067378
Published Online: December 7, 2024
View Article titled, Effects of Lattice Orientation Angle On Tpms-Based Transpiration Cooling
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Topics: Transpiration, Triply periodic minimal surfaces, Cooling, Additive manufacturing, Film cooling, Adiabatic cooling, Air jets, Aircraft engines, Diamonds, Flow (Dynamics)
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

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. June 2025, 147(6): 061012.
Paper No: GTP-24-1603
https://doi.org/10.1115/1.4066781
Published Online: November 25, 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
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Topics: Bearings, Journal bearings, Nitrogen, Stress, Water, Hydrostatics, Flow (Dynamics), Manufacturing, Fluids, Design
Journal Articles

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response

Óscar Pérez Escobar, Vicente Timón, Juan Manuel Gallardo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061003.
Paper No: GTP-24-1524
https://doi.org/10.1115/1.4066585
Published Online: November 14, 2024
View Article titled, Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response
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Topics: Airfoils, Electromagnetic scattering, Engines, Geometry, Manufacturing, Vibration, Rotors, Excitation, Design, Blades
Journal Articles

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies

Juan Manuel Gallardo, Óscar Pérez Escobar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061004.
Paper No: GTP-24-1508
https://doi.org/10.1115/1.4066538
Published Online: November 14, 2024
View Article titled, Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies
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Topics: Airfoils, Blades, Computational fluid dynamics, Electromagnetic scattering, Engines, Excitation, Flow (Dynamics), Geometry, Manufacturing, Simulation
Journal Articles

Polynomial Chaos Expansion-Based Uncertainty Model for Fast Assessment of Gas Turbine Aero-Engines Thrust Regulation: A Sparse Regression Approach

Shijia Li, Zhiyuan Wei, Shuguang Zhang, Zhaohui Cen, Elias Tsoutsanis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011031.
Paper No: GTP-24-1489
https://doi.org/10.1115/1.4066531
Published Online: October 25, 2024
View Article titled, Polynomial Chaos Expansion-Based Uncertainty Model for Fast Assessment of Gas Turbine Aero-Engines Thrust Regulation: A Sparse Regression Approach
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Topics: Chaos, Engines, Polynomials, Simulation, Thrust, Uncertainty, Engineering simulation, Aircraft engines, Manufacturing, Errors
Journal Articles

Comparison of Ingestion of Different Size Hard and Soft Bodies Into a Representative Fan Assembly Model

Rashid E. Mattar, Dushyanth Sirivolu, Kiran D'Souza
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021023.
Paper No: GTP-24-1612
https://doi.org/10.1115/1.4066604
Published Online: October 25, 2024
View Article titled, Comparison of Ingestion of Different Size Hard and Soft Bodies Into a Representative Fan Assembly Model
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Topics: Aircraft, Blades, Damage, Manufacturing, Stress, Transients (Dynamics), Simulation, Disks, Engines
Journal Articles

Design and Manufacture of SiC/SiC Nozzle Guide Vanes With Environmental Barrier Coatings for High-Pressure Turbines

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. February 2025, 147(2): 021021.
Paper No: GTP-24-1248
https://doi.org/10.1115/1.4066436
Published Online: October 15, 2024
View Article titled, Design and Manufacture of SiC/SiC Nozzle Guide Vanes With Environmental Barrier Coatings for High-Pressure Turbines
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Topics: Coatings, Design, Fibers, Manufacturing, Silicon carbide, Cooling, Turbines, Nozzle guide vanes, Temperature, Silicon
Journal Articles

Development of a Method for Shape Optimization for a Gas Turbine Fuel Injector Design Using Metal-Additive Manufacturing

Sagar Jalui, Yuan Xuan, Guha Manogharan, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011023.
Paper No: GTP-24-1167
https://doi.org/10.1115/1.4066509
Published Online: October 15, 2024
View Article titled, Development of a Method for Shape Optimization for a Gas Turbine Fuel Injector Design Using Metal-Additive Manufacturing
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Topics: Computational fluid dynamics, Computer-aided design, Design, Geometry, Shape optimization, Shapes, Computer software, Parametrization, Manufacturing, Gas turbines
Journal Articles

Application of Interface Reduction Methods to Rotordynamic Casing Models

Accepted Manuscript
Martin Paehr, Lars Panning-von Scheidt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1605
https://doi.org/10.1115/1.4066606
Published Online: September 23, 2024
View Article titled, Application of Interface Reduction Methods to Rotordynamic Casing Models
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Topics: Bolted joints, Damping, Digital twin, Excitation, Finite element model, Friction, Machinery, Manufacturing, Rotors, Structural health monitoring
Journal Articles

Damage to a High Bypass Ratio Fan During Uncrewed Aircraft Systems Ingestions

Kiran D'Souza, Dushyanth Sirivolu, Luis Gomez, Gerardo Olivares
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121011.
Paper No: GTP-24-1291
https://doi.org/10.1115/1.4066161
Published Online: September 5, 2024
View Article titled, Damage to a High Bypass Ratio Fan During Uncrewed Aircraft Systems Ingestions
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Topics: Aircraft, Blades, Damage, Flight, Manufacturing, Simulation, Engines
Journal Articles

A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to Compressor Blade With Leading Edge Uncertainty

Haohao Wang, Limin Gao, Guang Yang, Ruiyu Li, Baohai Wu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111004.
Paper No: GTP-23-1290
https://doi.org/10.1115/1.4065787
Published Online: July 4, 2024
View Article titled, A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to Compressor Blade With Leading Edge Uncertainty
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Topics: Blades, Chaos, Compressors, Errors, Polynomials, Uncertainty, Uncertainty quantification, Manufacturing, Fittings, Statistical distributions
Journal Articles

Laser-Structured Thin Film Sensor Technology for Sliding Bearings in Internal Combustion Engines

Constantin Kiesling, Matheus Marques da Silva, Martin Kober, Andreas Wimmer, Jan Düsing, Gunther Hager
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081008.
Paper No: GTP-23-1684
https://doi.org/10.1115/1.4064451
Published Online: February 1, 2024
View Article titled, Laser-Structured Thin Film Sensor Technology for Sliding Bearings in Internal Combustion Engines
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Topics: Bearings, Sensors, Manufacturing, Thin film sensors, Shells
Journal Articles

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Bugra Ertas, Keith Gary, Tom Adcock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061008.
Paper No: GTP-23-1425
https://doi.org/10.1115/1.4063781
Published Online: January 4, 2024
View Article titled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel
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Topics: Bearings, Dampers, Damping, Design, Fluid structure interaction, Secondary cells, Stiffness, Additive manufacturing, Flow (Dynamics), Vibration
Journal Articles

Experimental and Computational Heat Transfer Study of sCO 2 Single-Jet Impingement

John Richardson, Ryan Wardell, Erik Fernandez, Jayanta S. Kapat
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041008.
Paper No: GTP-23-1441
https://doi.org/10.1115/1.4063691
Published Online: December 8, 2023
View Article titled, Experimental and Computational Heat Transfer Study of sCO 2 Single-Jet Impingement
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Topics: Carbon dioxide, Copper, Flow (Dynamics), Fluids, Heat transfer, Reynolds number, Temperature, Pressure, Flanges, Manufacturing
Journal Articles

Manufacturing and Hydro Testing of a 10 MWe sCO 2 Axial Turbine

John D. Klaerner, J. Jeffrey Moore, Kyle Robinson, Jonathan L. Wade, Aaron McClung
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011022.
Paper No: GTP-23-1464
https://doi.org/10.1115/1.4063635
Published Online: November 28, 2023
View Article titled, Manufacturing and Hydro Testing of a 10 MWe sCO 2 Axial Turbine
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Topics: Cycles, Design, Manufacturing, Pressure, Turbines, Welded joints, Testing, Inspection, Nozzles, Stress
Journal Articles

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

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 Article titled, Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V
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Topics: Additive manufacturing, Cutting, Machining, Milling, Wear, Manufacturing, Machine tools, Geometry, Mechanical properties, Surface roughness