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Journal Articles

Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity

Accepted Manuscript
Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1014
DOI: https://doi.org/10.1115/1.4062560
Published Online: May 18, 2023
View Article titled, Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity
Click here to open pdf in another window PDF for Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity
Topics: Computational fluid dynamics, Modeling, Geometry, Pressure, Stiffness, Approximation, Rotors, Whirls
Journal Articles

An Experimental And Numerical Investigation To Improve The Efficiency Of Combustion Systems For Heavy-Duty Applications

Accepted Manuscript
Jaykumar Yadav, Stefan Pischinger, Sascha Schönfeld, Kai Deppenkemper
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1086
DOI: https://doi.org/10.1115/1.4062559
Published Online: May 18, 2023
View Article titled, An Experimental And Numerical Investigation To Improve The Efficiency Of Combustion Systems For Heavy-Duty Applications
Click here to open pdf in another window PDF for An Experimental And Numerical Investigation To Improve The Efficiency Of Combustion Systems For Heavy-Duty Applications
Topics: Carbon dioxide, Combustion, Combustion systems, Compression, Computational fluid dynamics, Construction equipment, Cylinders, Design, Diesel engines, Emissions
Journal Articles

A Design Approach of A Dedicated EGR-System For A Naturally Aspirated Gas Engine - From 1D Engine Process Simulation and Design of Experiments Up To The Experimental Validation

Accepted Manuscript
Youssef Beltaifa, Maurice Kettner, Peter Eilts, Bosse Ruchel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1092
DOI: https://doi.org/10.1115/1.4062508
Published Online: May 10, 2023
View Article titled, A Design Approach of A Dedicated EGR-System For A Naturally Aspirated Gas Engine - From 1D Engine Process Simulation and Design of Experiments Up To The Experimental Validation
Click here to open pdf in another window PDF for A Design Approach of A Dedicated EGR-System For A Naturally Aspirated Gas Engine - From 1D Engine Process Simulation and Design of Experiments Up To The Experimental Validation
Topics: Design, Engines, Exhaust gas recirculation, Experimental design, Process simulation, Cylinders, Exhaust systems, Combustion, Computational fluid dynamics, Dimensions
Journal Articles

A Modified Loss Breakdown Approach for Axial Turbines Operating with Blended Supercritical Carbon Dioxide

Accepted Manuscript
Abdelrahman Abdeldayem, Salma Ibrahim Abdelhak Ibrahim Salah, Martin White, A.I. Sayma
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1616
DOI: https://doi.org/10.1115/1.4062478
Published Online: May 5, 2023
View Article titled, A Modified Loss Breakdown Approach for Axial Turbines Operating with Blended Supercritical Carbon Dioxide
Click here to open pdf in another window PDF for A Modified Loss Breakdown Approach for Axial Turbines Operating with Blended Supercritical Carbon Dioxide
Topics: Supercritical carbon dioxide, Turbines, Boundary layers, Computational fluid dynamics, Carbon dioxide, Computer simulation, Entropy, Flow (Dynamics), Machinery, Rotors
Journal Articles

Evaluation of Spray and Combustion Models for Simulating Dilute Combustion in a Direct-injection Spark-ignition Engine

Accepted Manuscript
Joohan Kim, Muhsin Ameen, Riccardo Scarcelli, Namho Kim, Eshan Singh, Magnus Sjöberg
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1084
DOI: https://doi.org/10.1115/1.4062481
Published Online: May 5, 2023
View Article titled, Evaluation of Spray and Combustion Models for Simulating Dilute Combustion in a Direct-injection Spark-ignition Engine
Click here to open pdf in another window PDF for Evaluation of Spray and Combustion Models for Simulating Dilute Combustion in a Direct-injection Spark-ignition Engine
Topics: Combustion, Direct injection spark ignition engines, Sprays, Computational fluid dynamics, Cylinders, Engines, Pressure, Boiling, Cycles, Drag (Fluid dynamics)
Journal Articles

Effects of High Rotational Speed On Leakage and Windage Heating of Staggered Labyrinth Seals with Smooth and Honeycomb Lands

Accepted Manuscript
Hao Liu, Guoqing Li, Li Ang, Zhang Shen, Hui Li, Xingen Lu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1676
DOI: https://doi.org/10.1115/1.4062480
Published Online: May 5, 2023
View Article titled, Effects of High Rotational Speed On Leakage and Windage Heating of Staggered Labyrinth Seals with Smooth and Honeycomb Lands
Click here to open pdf in another window PDF for Effects of High Rotational Speed On Leakage and Windage Heating of Staggered Labyrinth Seals with Smooth and Honeycomb Lands
Topics: Heating, Honeycomb structures, Leakage, Clearances (Engineering), Simulation, Aircraft engines, Computational fluid dynamics, Design, Heat, Kinetic energy
Journal Articles

Numerical Modeling and Analysis of Energy-Assisted Compression Ignition of Varying Cetane Number Jet Fuels for High-Altitude Operation

Accepted Manuscript
Harsh Darshan Sapra, Randy Hessel, Eri Amezcua, Jacob Stafford, Niranjan Miganakallu, David Rothamer, Kenneth Kim, Chol-Bum M. Kweon, Sage Kokjohn
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1104
DOI: https://doi.org/10.1115/1.4062415
Published Online: April 26, 2023
View Article titled, Numerical Modeling and Analysis of Energy-Assisted Compression Ignition of Varying Cetane Number Jet Fuels for High-Altitude Operation
Click here to open pdf in another window PDF for Numerical Modeling and Analysis of Energy-Assisted Compression Ignition of Varying Cetane Number Jet Fuels for High-Altitude Operation
Topics: Compression, Computer simulation, Ignition, Jet fuels, Combustion, Fuels, Engines, Temperature, Chemistry, Computational fluid dynamics
Journal Articles

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.
Paper No: GTP-22-1478
DOI: https://doi.org/10.1115/1.4056347
Published Online: January 10, 2023
View Article titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
Click here to open pdf in another window PDF for Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability
Journal Articles

Machine Learning-Enabled Prediction of Transient Injection Map in Automotive Injectors With Uncertainty Quantification

Sudeepta Mondal, Gina M. Magnotti, Bethany Lusch, Romit Maulik, Roberto Torelli
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041015.
Paper No: GTP-22-1451
DOI: https://doi.org/10.1115/1.4055777
Published Online: December 13, 2022
View Article titled, Machine Learning-Enabled Prediction of Transient Injection Map in Automotive Injectors With Uncertainty Quantification
Click here to open pdf in another window PDF for Machine Learning-Enabled Prediction of Transient Injection Map in Automotive Injectors With Uncertainty Quantification
Topics: Design, Ejectors, Needles, Porosity, Simulation, Transients (Dynamics), Uncertainty, Uncertainty quantification, Spatiotemporal phenomena, Internal flow
Journal Articles

Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System

Andrea Giuffre', Piero Colonna, Matteo Pini
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031017.
Paper No: GTP-22-1261
DOI: https://doi.org/10.1115/1.4056022
Published Online: December 8, 2022
View Article titled, Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System
Click here to open pdf in another window PDF for Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System
Topics: Compressors, Design, Flow (Dynamics), Impellers, Compression, Optimization, Conceptual design, Computational fluid dynamics
Journal Articles

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation—Detailed Numerical Investigation

Fernando Biagioli, Holger Luebcke, Ammar Lamraoui, André Theuer, Khawar J. Syed
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041006.
Paper No: GTP-22-1429
DOI: https://doi.org/10.1115/1.4055903
Published Online: December 8, 2022
View Article titled, Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation—Detailed Numerical Investigation
Click here to open pdf in another window PDF for Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation—Detailed Numerical Investigation
Topics: Combustion, Computational fluid dynamics, Flames, Simulation, Temperature, Mach number, Pressure, Ignition, Combustion chambers, Transfer functions
Journal Articles

Transient Thermo-mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled Cfd-fea Approach

Accepted Manuscript
Sang-Guk Kang, Je Ir Ryu, Austen Motily, Prapassorn Numkiatsakul, Tonghun Lee, Waltraud Kriven, Kenneth Kim, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1559
DOI: https://doi.org/10.1115/1.4056426
Published Online: December 7, 2022
View Article titled, Transient Thermo-mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled Cfd-fea Approach
Click here to open pdf in another window PDF for Transient Thermo-mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled Cfd-fea Approach
Topics: Finite element analysis, Probes, Stress analysis (Engineering), Thermomechanics, Transients (Dynamics), Boundary-value problems, Computer software, Durability, Engines, Stress
Journal Articles

Fluid Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS

Giove De Cosmo, James A. Scobie, Gary D. Lock, Carl M. Sangan, Mauro Carnevale
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031009.
Paper No: GTP-22-1460
DOI: https://doi.org/10.1115/1.4055752
Published Online: December 5, 2022
View Article titled, Fluid Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS
Click here to open pdf in another window PDF for Fluid Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS
Topics: Annulus, Blades, Cavities, Computational fluid dynamics, Design, Disks, Flow (Dynamics), Fluid dynamics, Pressure, Turbines
Journal Articles

A Hybrid, Runtime Coupled Incompressible CFD-CAA Method for Analysis of Thermoacoustic Instabilities

Hanna Reinhardt, Çetin Alanyalıoğlu, André Fischer, Claus Lahiri, Christian Hasse
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031003.
Paper No: GTP-22-1426
DOI: https://doi.org/10.1115/1.4055666
Published Online: December 5, 2022
View Article titled, A Hybrid, Runtime Coupled Incompressible CFD-CAA Method for Analysis of Thermoacoustic Instabilities
Click here to open pdf in another window PDF for A Hybrid, Runtime Coupled Incompressible CFD-CAA Method for Analysis of Thermoacoustic Instabilities
Topics: Acoustics, Computational fluid dynamics, Pressure, Simulation, Fluctuations (Physics), Flow (Dynamics), Heat
Journal Articles

A Methodology for a Coupled Structural–Computational Fluid Dynamics Analysis of Compressor Rotor Blades Subjected to Ice Impact With Uncertain Impactor Parameters

Holger Böhm, Lars Högner, Marcus Meyer, Ronald Mailach, Andreas Hornig, Maik Gude
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031001.
Paper No: GTP-22-1415
DOI: https://doi.org/10.1115/1.4055687
Published Online: December 5, 2022
View Article titled, A Methodology for a Coupled Structural–Computational Fluid Dynamics Analysis of Compressor Rotor Blades Subjected to Ice Impact With Uncertain Impactor Parameters
Click here to open pdf in another window PDF for A Methodology for a Coupled Structural–Computational Fluid Dynamics Analysis of Compressor Rotor Blades Subjected to Ice Impact With Uncertain Impactor Parameters
Topics: Blades, Compressors, Computational fluid dynamics, Deformation, Ice, Rotors, Simulation, Density, Fluids
Journal Articles

Computational Fluid Dynamics Modeling of Low Temperature Ignition Processes From a Nanosecond Pulsed Discharge at Quiescent Conditions

Vyaas Gururajan, Riccardo Scarcelli, Sayan Biswas, Isaac Ekoto
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031010.
Paper No: GTP-22-1461
DOI: https://doi.org/10.1115/1.4055778
Published Online: December 5, 2022
View Article titled, Computational Fluid Dynamics Modeling of Low Temperature Ignition Processes From a Nanosecond Pulsed Discharge at Quiescent Conditions
Click here to open pdf in another window PDF for Computational Fluid Dynamics Modeling of Low Temperature Ignition Processes From a Nanosecond Pulsed Discharge at Quiescent Conditions
Topics: Ignition, Low temperature, Plasmas (Ionized gases), Methane, Computational fluid dynamics, Heating, Modeling, Flames, Simulation, Temperature
Journal Articles

The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021027.
Paper No: GTP-22-1393
DOI: https://doi.org/10.1115/1.4055870
Published Online: December 5, 2022
View Article titled, The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames
Click here to open pdf in another window PDF for The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames
Topics: Ducts, Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Rotors, Vorticity, Cavities, Computational fluid dynamics
Journal Articles

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

Giuseppe Bruni, Senthil Krishnababu, Simon Jackson
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011019.
Paper No: GTP-22-1341
DOI: https://doi.org/10.1115/1.4055634
Published Online: October 21, 2022
View Article titled, Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade
Click here to open pdf in another window PDF for Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade
Topics: Artificial neural networks, Blades, Compressors, Computational fluid dynamics, Damping, Design, Machine learning, Mode shapes, Resonance, Modal analysis
Journal Articles

Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.
Paper No: GTP-22-1145
DOI: https://doi.org/10.1115/1.4055787
Published Online: October 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring
Click here to open pdf in another window PDF for Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring
Topics: Damping, Displacement, Film thickness, Fluid films, Fluids, Leakage, Pressure, Sealing (Process), Stiffness, Supercritical carbon dioxide
Journal Articles

A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows

Alessandro Vulpio, Stefano Oliani, Alessio Suman, Nicola Zanini, Paolo Saccenti
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011007.
Paper No: GTP-22-1399
DOI: https://doi.org/10.1115/1.4055709
Published Online: October 19, 2022
View Article titled, A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows
Click here to open pdf in another window PDF for A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows
Topics: Computational fluid dynamics, Dust, Erosion, Fans, Flow (Dynamics), Particulate matter, Simulation, Wear, Particle collisions, Blades