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Journal Articles

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor with Refrigerant Gas

Accepted Manuscript
Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1246
https://doi.org/10.1115/1.4063577
Published Online: September 30, 2023
View Article titled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor with Refrigerant Gas
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Topics: Compressors, Refrigerants, Surges, Flow (Dynamics), Pressure, Diffusers, Fluid dynamics, Signals, Computational fluid dynamics, Design
Journal Articles

Preliminary Wear Investigations with Pressure Actuated Leaf Seals for Superheated Steam Turbine Application

Accepted Manuscript
Andreas Wittenberg, Tobias Rühle, Johannes Greving, Florian Wichern, Jens Friedrichs
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1440
https://doi.org/10.1115/1.4063587
Published Online: September 30, 2023
View Article titled, Preliminary Wear Investigations with Pressure Actuated Leaf Seals for Superheated Steam Turbine Application
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Topics: Pressure, Steam turbines, Superheating, Wear, Compressed air, Design, Flow (Dynamics), Power stations, Rotation, Steam
Journal Articles

Improving a Centrifugal Compressor's Performance At Low Mass Flow Rates by Adding an Acoustic Resonator

Accepted Manuscript
Andreas Renz, Katharina Baer, Stefan Becker
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1061
https://doi.org/10.1115/1.4063583
Published Online: September 30, 2023
View Article titled, Improving a Centrifugal Compressor's Performance At Low Mass Flow Rates by Adding an Acoustic Resonator
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Topics: Acoustics, Flow (Dynamics), Compressors, Turbochargers, Acoustical properties, Angular momentum, Automobiles, Blades, Design, Fluid dynamics
Journal Articles

Determination of Cetane Numbers via Chemical Kinetic Mechanism

Accepted Manuscript
Marleen Schmidt, Samuel Schlichting, Jens Melder, Torsten Methling, Markus Köhler, Andreas Huber
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1455
https://doi.org/10.1115/1.4063585
Published Online: September 30, 2023
View Article titled, Determination of Cetane Numbers via Chemical Kinetic Mechanism
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Topics: ASTM International, Climate change, Combustion chambers, Commercial air transport, Design, Engines, Errors, Evaporation, Flight, Fuels
Journal Articles

A Study On Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines

Accepted Manuscript
Lukas Schuchard, Maximilian Bien, Karl Ziaja, Norman Blanken, Jan Göing, Jens Friedrichs, Francesca di Mare, Bernd Ponick, Ronald Mailach
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1340
https://doi.org/10.1115/1.4063580
Published Online: September 30, 2023
View Article titled, A Study On Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines
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Topics: Maintenance, Engines, Aircraft propulsion, Design, Gas turbines, Machinery, Stress, Aircraft, Architecture, Bearings
Journal Articles

Multi-Input Multi-Output Robust Control of Turbofan Engines Based on Off-Equilibrium Linearization Linear Parameter Varying Model

Yifeng Tang, Yan Li, Wenchong Yang, Wenxiang Zhou, Jinquan Huang, Tao Cui
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111006.
Paper No: GTP-23-1054
https://doi.org/10.1115/1.4063278
Published Online: September 29, 2023
View Article titled, Multi-Input Multi-Output Robust Control of Turbofan Engines Based on Off-Equilibrium Linearization Linear Parameter Varying Model
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Topics: Control equipment, Design, Engines, Equilibrium (Physics), Turbofans, Robust control, Polynomials, Errors, Dynamics (Mechanics)
Journal Articles

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

Alessandro Romei, Paolo Gaetani, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111014.
Paper No: GTP-23-1310
https://doi.org/10.1115/1.4063311
Published Online: September 29, 2023
View Article titled, Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages
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Topics: Blades, Compressors, Design, Flow (Dynamics), Impellers, Two-phase flow, Fluids, Optimization, Shapes
Journal Articles

A CFD-Based Small-Scale Combustor Design Optimization Utilizing a Many-Objective Evolutionary Algorithm

Accepted Manuscript
Alejandro Briones, Brendan Paxton, Brent Rankin
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1503
https://doi.org/10.1115/1.4063537
Published Online: September 29, 2023
View Article titled, A CFD-Based Small-Scale Combustor Design Optimization Utilizing a Many-Objective Evolutionary Algorithm
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Topics: Combustion chambers, Computational fluid dynamics, Design, Evolutionary algorithms, Optimization, Combustion, Computer programming, Engineering simulation, Manufacturing, Metamodeling
Journal Articles

Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Accepted Manuscript
Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1323
https://doi.org/10.1115/1.4063532
Published Online: September 29, 2023
View Article titled, Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate
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Topics: Journal bearings, Machine learning, Bearings, Artificial neural networks, Fluid films, Optimization, Compressors, Design, Economics , Energy generation
Journal Articles

Multi-Objective Experimental Combustor Development Using Surrogate Model-Based Optimization

Accepted Manuscript
Johann Moritz Reumschüssel, Jakob G.R. von Saldern, Bernhard Cosic, Christian Oliver Paschereit
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1361
https://doi.org/10.1115/1.4063535
Published Online: September 29, 2023
View Article titled, Multi-Objective Experimental Combustor Development Using Surrogate Model-Based Optimization
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Topics: Combustion chambers, Optimization, Fuels, Stress, Design, Emissions, Combustion, Combustion systems, Ejectors, Errors
Journal Articles

POD-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses

Accepted Manuscript
Francesco D'alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1345
https://doi.org/10.1115/1.4063519
Published Online: September 29, 2023
View Article titled, POD-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses
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Topics: Approximation, Metamodeling, Finite element model, Rotors, Calibration, Computer simulation, Damping, Design, Event history analysis, Experimental design
Journal Articles

Dynamic Characterization of an Adaptive Film-Riding Seal

Accepted Manuscript
Josh Bird, Patrick S Keogh, Carl M. Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1368
https://doi.org/10.1115/1.4063549
Published Online: September 29, 2023
View Article titled, Dynamic Characterization of an Adaptive Film-Riding Seal
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Topics: Clearances (Engineering), Computer simulation, Damping, Design, Displacement, Eddies (Fluid dynamics), Eddy currents (Electricity), Fluid films, Fluids, High pressure (Physics)
Journal Articles

Radiant Thermal Test System for Turbine Blades Using a Novel Pattern Search Algorithm

Accepted Manuscript
Haonan Jiang, Xiaochao Jin, Linchuan Liu, Xinkuo Ji, Xueling Fan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1112
https://doi.org/10.1115/1.4063527
Published Online: September 29, 2023
View Article titled, Radiant Thermal Test System for Turbine Blades Using a Novel Pattern Search Algorithm
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Topics: Algorithms, Turbine blades, Heating, Blades, Aircraft engines, High temperature, Quartz, Temperature, Computer software, Design
Journal Articles

Performance and Emissions Benefits of Cooled Ceramic Matrix Composite Vanes for High Pressure Turbines

Accepted Manuscript
Patrick Wehrel, Robin Schöffler, Clemens Grunwitz, Francisco Carvalho, Martin Plohr, Jannik Häßy, Anna Petersen
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1322
https://doi.org/10.1115/1.4063534
Published Online: September 29, 2023
View Article titled, Performance and Emissions Benefits of Cooled Ceramic Matrix Composite Vanes for High Pressure Turbines
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Topics: Ceramic matrix composites, Emissions, High pressure (Physics), Turbines, Cooling, Inlet guide vanes, Nitrogen oxides, Temperature, Engines, Aircraft engines
Journal Articles

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

Accepted Manuscript
Tobias Kelliger, Markus Meurer, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1393
https://doi.org/10.1115/1.4063553
Published Online: September 29, 2023
View Article titled, 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, Machining, Milling, Performance evaluation, Cutting, Cutting tools, Machine tools, Manufacturing, Aerospace industry, Alloy steel
Journal Articles

Windage Loss Models for Enclosed Cylindrical Flows under S-CO 2 Condition

Accepted Manuscript
Dokyu Kim, Yongju Jeong, In Woo Son, Jeong Ik Lee
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1004
https://doi.org/10.1115/1.4063522
Published Online: September 29, 2023
View Article titled, Windage Loss Models for Enclosed Cylindrical Flows under S-CO 2 Condition
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Topics: Flow (Dynamics), Supercritical carbon dioxide, Turbomachinery, Design, Brayton cycle, Carbon dioxide, Thermodynamic power cycles, Compression, Cycles, Distributed power generation
Journal Articles

Integrated Aerodynamic and Mechanical Design of a Large-scale Axial Turbine Operating with Supercritical Carbon Dioxide Mixtures

Accepted Manuscript
Abdelrahman Abdeldayem, Andrea Paggini, Tommaso Diurno, Claudio Orazi, Martin White, Marco Ruggiero, A.I. Sayma
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1302
https://doi.org/10.1115/1.4063530
Published Online: September 29, 2023
View Article titled, Integrated Aerodynamic and Mechanical Design of a Large-scale Axial Turbine Operating with Supercritical Carbon Dioxide Mixtures
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Topics: Design engineering, Supercritical carbon dioxide, Turbines, Design, Manufacturing, Pressure, Exhaust systems, Flow (Dynamics), Rotors, Aerodynamic flow
Journal Articles

Quasi-one-dimensional Loss Model of Volute Using Boundary Layer Approach for Inward Flow Radial Supercritical CO 2 Turbines

Accepted Manuscript
Syed Jiaul Hoque, Pramod Kumar, Pramod Chandra Gopi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1399
https://doi.org/10.1115/1.4063548
Published Online: September 29, 2023
View Article titled, Quasi-one-dimensional Loss Model of Volute Using Boundary Layer Approach for Inward Flow Radial Supercritical CO 2 Turbines
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Topics: Boundary layers, Flow (Dynamics), Supercritical carbon dioxide, Turbines, Pressure, Computational fluid dynamics, Errors, Boundary-value problems, Computer software, Cross section (Physics)
Journal Articles

An Algorithm for Starved Lubricated Journal Bearings with Optionally Locked Lube Oil Feed Grooves

Accepted Manuscript
Thomas Hagemann, Daniel Vetter, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1457
https://doi.org/10.1115/1.4063528
Published Online: September 29, 2023
View Article titled, An Algorithm for Starved Lubricated Journal Bearings with Optionally Locked Lube Oil Feed Grooves
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Topics: Algorithms, Journal bearings, Bearings, Flow (Dynamics), Boundary-value problems, Cavitation, Concretes, Design, Energy dissipation, Linear systems
Journal Articles

Condenser Retrofit in Leibstadt Nuclear Power Plant (BWR) - Far Beyond a Standard Modular Solution

Accepted Manuscript
Hartwig Wolf, Arthur Wettstein, Robert Faltermeier, Peter Graf, Daniel Schupp
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1374
https://doi.org/10.1115/1.4063449
Published Online: September 16, 2023
View Article titled, Condenser Retrofit in Leibstadt Nuclear Power Plant (BWR) - Far Beyond a Standard Modular Solution
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Topics: Boiling water reactors, Condensers (steam plant), Nuclear power stations, Retrofitting, Design, Steam, Corrosion, Erosion, Gases, Pressure