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Journal Articles

Shape Optimization of an Industrial Aeroengine Combustor to reduce Thermoacoustic Instability

Accepted Manuscript
Ekrem Ekici, Matthew Juniper
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1654
https://doi.org/10.1115/1.4067337
Published Online: December 7, 2024
View Article titled, Shape Optimization of an Industrial Aeroengine Combustor to reduce Thermoacoustic Instability
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Topics: Combustion chambers, Shape optimization, Shapes, Acoustics, Boundary-value problems, Combustion, Deformation, Eigenvalues, Geometry
Journal Articles

The Impact of Different Equilibrium Hypotheses on the Non-Linear Response of Bladed Disks

Accepted Manuscript
Gianmarco Zara, Teresa Berruti, Stefano Zucca
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1753
https://doi.org/10.1115/1.4067218
Published Online: November 23, 2024
View Article titled, The Impact of Different Equilibrium Hypotheses on the Non-Linear Response of Bladed Disks
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Topics: Bladed disks, Equilibrium (Physics), Blades, Vibration, Computation, Coulombs, Dampers, Friction, Geometry, Lumped parameter models
Journal Articles

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

Joshua Bird, Patrick S. Keogh, Carl M. Sangan, Aaron A. Bowsher, Peter F. Crudgington, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061006.
Paper No: GTP-24-1607
https://doi.org/10.1115/1.4066711
Published Online: November 22, 2024
View Article titled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry
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Topics: Damping, Excitation, Leakage, Pressure, Stiffness, Rotors, Pressure drop, Test facilities, Geometry
Journal Articles

Tool Wear Prediction in Broaching Based on Tool Geometry

Christoph Zachert, 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 2025, 147(3): 031033.
Paper No: GTP-24-1541
https://doi.org/10.1115/1.4066826
Published Online: November 22, 2024
View Article titled, Tool Wear Prediction in Broaching Based on Tool Geometry
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Topics: Cutting, Geometry, Wear, Machinery
Journal Articles

Effect of Piston Ring Grooves on the Radial and Tangential Forces of a Squeeze Film Damper

Accepted Manuscript
Emanuele Giampaolo, Mihai Arghir, Hugo Festjens
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1623
https://doi.org/10.1115/1.4067162
Published Online: November 15, 2024
View Article titled, Effect of Piston Ring Grooves on the Radial and Tangential Forces of a Squeeze Film Damper
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Topics: Dampers, Piston rings, Computational fluid dynamics, Clearances (Engineering), Damping, Design, Dimensions, Dynamic stability, Engineering simulation, Flow (Dynamics)
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

Experimental Design Validation of a Swirl-Stabilized Burner With Fluidically Variable Swirl Number

Mattias E. G. Eck, Philipp zur Nedden, Jakob G. R. von Saldern, Christoph Peisdersky, Alessandro Orchini, Christian Oliver Paschereit
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041017.
Paper No: GTP-24-1333
https://doi.org/10.1115/1.4066731
Published Online: November 5, 2024
View Article titled, Experimental Design Validation of a Swirl-Stabilized Burner With Fluidically Variable Swirl Number
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Topics: Flow (Dynamics), Geometry, Laser Doppler anemometry, Swirling flow, Combustion chambers, Rotation, Experimental design
Journal Articles

Numerical Prediction of Inlet Geometry Influence on the In-Duct Acoustics of Small Centrifugal Compressors

Alberto Broatch, Roberto Navarro, Jorge García-Tíscar, Ferran Roig
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021028.
Paper No: GTP-24-1506
https://doi.org/10.1115/1.4066529
Published Online: October 26, 2024
View Article titled, Numerical Prediction of Inlet Geometry Influence on the In-Duct Acoustics of Small Centrifugal Compressors
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Topics: Acoustics, Compressors, Ducts, Flow (Dynamics), Geometry, Impellers, Noise (Sound), Pressure, Spectra (Spectroscopy), Blades
Journal Articles

Multidisciplinary Optimization of Gyroid Topologies for a Cold Plate Heat Exchanger Design

Elhusseiny Daifalla, Shahrokh Shahpar, Indi Tristanto, Mario Carta
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121028.
Paper No: GTP-24-1402
https://doi.org/10.1115/1.4066532
Published Online: October 25, 2024
View Article titled, Multidisciplinary Optimization of Gyroid Topologies for a Cold Plate Heat Exchanger Design
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Topics: Design, Flow (Dynamics), Fluids, Geometry, Heat exchangers, Optimization, Pressure, Temperature, Topology, Computational fluid dynamics
Journal Articles

Hybrid Surrogate Modeling Approach for Data Reduction and Design Space Exploration of Turbine Blades

Accepted Manuscript
Sazeed Sufian Ali, Vikas Yadav, Behnam Nouri, Abdulla Ghani
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1661
https://doi.org/10.1115/1.4066998
Published Online: October 24, 2024
View Article titled, Hybrid Surrogate Modeling Approach for Data Reduction and Design Space Exploration of Turbine Blades
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Topics: Design, Metamodeling, Turbine blades, Blades, Computational fluid dynamics, Computer-aided engineering, Finite element analysis, Multilayer perceptron, Optimization, Simulation
Journal Articles

Analysis of The Flow-Field Distorsions Induced by Pneumatic Pressure Probes In Test Bench Experiments On Centrifugal Compressors: Are We Testing Right?

Accepted Manuscript
Alberto Baroni, Luca Romani, Francesco Balduzzi, Lorenzo Toni, Angelo Grimaldi, Elisabetta Belardini, Davide Biliotti, Alessandro Bianchini, Giovanni Ferrara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1711
https://doi.org/10.1115/1.4066991
Published Online: October 23, 2024
View Article titled, Analysis of The Flow-Field Distorsions Induced by Pneumatic Pressure Probes In Test Bench Experiments On Centrifugal Compressors: Are We Testing Right?
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Topics: Compressors, Flow (Dynamics), Pressure, Probes, Testing, Diffusers, Engineering simulation, Simulation, Computational fluid dynamics, Dimensions
Journal Articles

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

Accepted Manuscript
Abdelhakim Bouras, Luigi Carassale
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1673
https://doi.org/10.1115/1.4066894
Published Online: October 17, 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, Finite element analysis, Uncertainty, Geometry, Blades, Manufacturing, Scalars, Sensitivity analysis, Structural optimization, Wear
Journal Articles

The effect of additive ‘depositional’ reprofiling of compressor blade leading edges on engine performance

Accepted Manuscript
Alex 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.
Paper No: GTP-24-1674
https://doi.org/10.1115/1.4066924
Published Online: October 17, 2024
View Article titled, The effect of additive ‘depositional’ reprofiling of compressor blade leading edges on engine performance
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Topics: Blades, Compressors, Engines, Geometry, Pressure, Design, Dust, Gas turbines, Minerals, Particulate matter
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

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

On the Performance of Variable-Geometry Ducted E-Fans

Mavroudis D. Kavvalos, Rainer Schnell, Maximilian Mennicken, Marco Trost, Konstantinos G. Kyprianidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101024.
Paper No: GTP-24-1239
https://doi.org/10.1115/1.4066074
Published Online: August 21, 2024
View Article titled, On the Performance of Variable-Geometry Ducted E-Fans
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Topics: Design, Fans, Geometry, Nozzles, Pressure, Surges, Weight (Mass), Flow (Dynamics), Ducts, Thrust
Journal Articles

The Effect of Swirl Number on Lean Blow Out Limits of Lean Direct Injection Combustors

Yogesh Aradhey, Zachary Stroud, Joseph Meadows
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101005.
Paper No: GTP-23-1626
https://doi.org/10.1115/1.4065218
Published Online: April 22, 2024
View Article titled, The Effect of Swirl Number on Lean Blow Out Limits of Lean Direct Injection Combustors
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Topics: Combustion chambers, Design, Flames, Flow (Dynamics), Fuels, Pressure, Venturi tubes, Pressure drop, Geometry, Hardware
Journal Articles

A Combined Experimental and Turbulence-Resolved Modeling Approach for Aeroengine Turbine Rim Seals

Simon Vella, Peter Darby, Mauro Carnevale, James A. Scobie, Gary D. Lock, Clément Jarrossay, Francesco Salvatori, Damien Bonneau, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081020.
Paper No: GTP-23-1656
https://doi.org/10.1115/1.4064803
Published Online: March 22, 2024
View Article titled, A Combined Experimental and Turbulence-Resolved Modeling Approach for Aeroengine Turbine Rim Seals
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Topics: Computation, Flow (Dynamics), Leakage flows, Rotors, Stators, Turbines, Turbulence, Wheels, Modeling, Pressure