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Journal Articles

Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach

Accepted Manuscript
Lakshminarayanan Seshadri, Pramod Kumar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1602
https://doi.org/10.1115/1.4066709
Published Online: September 28, 2024
View Article titled, Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach
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Topics: Flow (Dynamics), Modeling, Supercritical carbon dioxide, Vaneless diffusers, Artificial neural networks, Computational fluid dynamics, Skin friction (Fluid dynamics), Compressors, Differential equations, Friction
Journal Articles

Numerical Analysis and Design of New Exhaust Section Downstream of Constant Volume Combustor

Panagiotis Gallis, Daniela Anna Misul, Bastien Boust, Marc Bellenoue, Simone Salvadori
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021010.
Paper No: GTP-24-1417
https://doi.org/10.1115/1.4066253
Published Online: September 26, 2024
View Article titled, Numerical Analysis and Design of New Exhaust Section Downstream of Constant Volume Combustor
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Topics: Cycles, Design, Ducts, Exhaust systems, Flow (Dynamics), Pressure, Combustion chambers, Numerical analysis, Oscillations, Boundary-value problems
Journal Articles

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

Accepted Manuscript
Rashid 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.
Paper No: GTP-24-1612
https://doi.org/10.1115/1.4066604
Published Online: September 23, 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: Manufacturing, Damage, Aircraft, Blades, Stress, Boundary-value problems, Hazards, Ice, Jet engines, Safety
Journal Articles

Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a Supercritical Carbon Dioxide Brayton Cycle

Francois D. Boshoff, Sybrand J. van der Spuy, Johannes P. Pretorius
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011019.
Paper No: GTP-24-1397
https://doi.org/10.1115/1.4066248
Published Online: September 19, 2024
View Article titled, Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a Supercritical Carbon Dioxide Brayton Cycle
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Topics: Cooling, Flow (Dynamics), Heat exchangers, Modeling, Pressure, Brayton cycle, Design, Axial flow, Computational fluid dynamics, Rotors
Journal Articles

Analysis of Unburned Methane Emission Mechanisms in Large-Bore Natural Gas Engines With Prechamber Ignition

Mark. A. Patterson, Nelson Xie, Kyle Beurlot, Timothy Jacobs, Daniel Olsen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101009.
Paper No: GTP-23-1265
https://doi.org/10.1115/1.4065313
Published Online: May 13, 2024
View Article titled, Analysis of Unburned Methane Emission Mechanisms in Large-Bore Natural Gas Engines With Prechamber Ignition
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Topics: Combustion, Emissions, Ignition, Methane, Simulation, Temperature, Flow (Dynamics), Fuels, Cylinders, Boundary-value problems
Journal Articles

The Effect of Film Development on Primary Breakup in a Prefilming Airblast Atomizer

Jack R. J. Wetherell, Andrew Garmory
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091012.
Paper No: GTP-23-1689
https://doi.org/10.1115/1.4064729
Published Online: March 20, 2024
View Article titled, The Effect of Film Development on Primary Breakup in a Prefilming Airblast Atomizer
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Topics: Boundary-value problems, Simulation, Sprays, Fuels, Statistics, Drops, Engineering simulation
Journal Articles

An Optimal Numerical Strategy for Intake in Crosswind Conditions

Venkata Y. T. Chennuru, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071005.
Paper No: GTP-23-1456
https://doi.org/10.1115/1.4064149
Published Online: February 8, 2024
View Article titled, An Optimal Numerical Strategy for Intake in Crosswind Conditions
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Topics: Boundary-value problems, Computational fluid dynamics, Flow (Dynamics), Pressure, Simulation, Vortices, Separation (Technology), Nozzles, Boundary layers
Journal Articles

Numerical Assessment of a Rich-Quench-Lean Staging Strategy for Clean and Efficient Combustion of Partially Decomposed Ammonia in the Constant Pressure Sequential Combustion System

Tarjei Heggset, Ole H. H. Meyer, Luis Tay-Wo-Chong, Andrea Ciani, Andrea Gruber
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081004.
Paper No: GTP-23-1557
https://doi.org/10.1115/1.4063958
Published Online: February 1, 2024
View Article titled, Numerical Assessment of a Rich-Quench-Lean Staging Strategy for Clean and Efficient Combustion of Partially Decomposed Ammonia in the Constant Pressure Sequential Combustion System
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Topics: Combustion, Combustion systems, Computer simulation, Firing, Flames, Fuels, Methane, Pressure, Hydrogen, Turbulence
Journal Articles

Conjugate Modeling of a Closed Co-Rotating Compressor Cavity

James Parry, Hui Tang, James A. Scobie, Gary D. Lock, Mauro Carnevale
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051007.
Paper No: GTP-23-1555
https://doi.org/10.1115/1.4063632
Published Online: December 8, 2023
View Article titled, Conjugate Modeling of a Closed Co-Rotating Compressor Cavity
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Topics: Cavities, Disks, Flow (Dynamics), Fluids, Heat transfer, Modeling, Temperature, Compressors, Buoyancy, Simulation
Journal Articles

Validation of Rotating Detonation Combustor Computational Fluid Dynamics Simulations for Predicting Unsteady Supersonic–Subsonic Flow Field at the Exit

Piyush Raj, Shaon Talukdar, Dalton Langer, Apurav Gupta, Joseph Meadows, Ajay Agrawal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041012.
Paper No: GTP-23-1481
https://doi.org/10.1115/1.4063706
Published Online: December 8, 2023
View Article titled, Validation of Rotating Detonation Combustor Computational Fluid Dynamics Simulations for Predicting Unsteady Supersonic–Subsonic Flow Field at the Exit
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Topics: Combustion chambers, Computational fluid dynamics, Explosions, Methane, Pressure, Probes, Simulation, Waves, Flow (Dynamics), Boundary-value problems
Journal Articles

Transient Thermomechanical Stress Analysis of Hot Surface Ignition Device Using Sequentially Coupled Computational Fluid Dynamics–Finite Element Analysis Approach

Sang-Guk Kang, Je Ir Ryu, Austen H. Motily, Prapassorn Numkiatsakul, Tonghun Lee, Waltraud M. Kriven, Kenneth S. Kim, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121001.
Paper No: GTP-22-1559
https://doi.org/10.1115/1.4056426
Published Online: October 3, 2023
View Article titled, Transient Thermomechanical Stress Analysis of Hot Surface Ignition Device Using Sequentially Coupled Computational Fluid Dynamics–Finite Element Analysis Approach
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Topics: Computational fluid dynamics, Finite element analysis, Ignition, Stress, Stress analysis (Engineering), Temperature, Thermomechanics, Boundary-value problems, Transients (Dynamics), Luminescence
Journal Articles

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

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091001.
Paper No: GTP-23-1014
https://doi.org/10.1115/1.4062560
Published Online: July 19, 2023
View Article titled, Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity
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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Leakage, Modeling, Pressure, Rotors, Stiffness, Uncertainty, Whirls
Journal Articles

Comparative Analysis of Infrared Signatures of Turbofan Engine Exhaust System With or Without Afterburning

Xiaojuan Shi, Xin Wei, Honghu Ji
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071007.
Paper No: GTP-22-1623
https://doi.org/10.1115/1.4056927
Published Online: April 19, 2023
View Article titled, Comparative Analysis of Infrared Signatures of Turbofan Engine Exhaust System With or Without Afterburning
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Topics: Exhaust systems, Flow (Dynamics), Radiation (Physics), Infrared radiation, Boundary-value problems, Temperature, Thrust
Journal Articles

Large Eddy Simulation of a Pistonless Constant Volume Combustor: A New Concept of Pressure Gain Combustion

Nicola Detomaso, Davide Laera, Paul Pouech, Florent Duchaine, Thierry Poinsot
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021025.
Paper No: GTP-22-1524
https://doi.org/10.1115/1.4056018
Published Online: November 29, 2022
View Article titled, Large Eddy Simulation of a Pistonless Constant Volume Combustor: A New Concept of Pressure Gain Combustion
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Topics: Combustion, Cycles, Exhaust systems, Flames, Flow (Dynamics), Ignition, Large eddy simulation, Pressure, Temperature, Valves
Journal Articles

Improvement of Silicon Nitride Turbine Blade Impact Resistance Under Uniaxial Compression Loading

Francis Beauchamp, Patrick K. Dubois, Jean-Sébastien Plante, Mathieu Picard
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021015.
Paper No: GTP-22-1424
https://doi.org/10.1115/1.4055584
Published Online: November 29, 2022
View Article titled, Improvement of Silicon Nitride Turbine Blade Impact Resistance Under Uniaxial Compression Loading
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Topics: Ceramics, Silicon nitride ceramics, Stress, Turbine blades, Turbines, Compression, Failure, Damage, Boundary-value problems
Journal Articles

Numerical Investigation of a Coupled Blow-Off/Flashback Process in a High-Pressure Lean-Burn Combustor

Alessandro Soli, Ivan Langella
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021010.
Paper No: GTP-22-1329
https://doi.org/10.1115/1.4055483
Published Online: November 28, 2022
View Article titled, Numerical Investigation of a Coupled Blow-Off/Flashback Process in a High-Pressure Lean-Burn Combustor
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Topics: Combustion, Combustion chambers, Ejectors, Flames, Fuels, Turbulence, Vortices, Temperature, High pressure (Physics), Flow (Dynamics)
Journal Articles

Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011015.
Paper No: GTP-22-1337
https://doi.org/10.1115/1.4055534
Published Online: October 21, 2022
View Article titled, Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor
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Topics: Acoustics, Boundary-value problems, Combustion chambers, Dynamics (Mechanics), Flames, Pressure, Reflectance, Flow (Dynamics), Mode shapes
Journal Articles

Impact of Boundary Condition and Kinetic Parameter Uncertainties on NO x Predictions in Methane–Air Stagnation Flame Experiments

Antoine Durocher, Jiayi Wang, Gilles Bourque, Jeffrey M. Bergthorson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101002.
Paper No: GTP-22-1198
https://doi.org/10.1115/1.4055020
Published Online: August 25, 2022
View Article titled, Impact of Boundary Condition and Kinetic Parameter Uncertainties on NO x Predictions in Methane–Air Stagnation Flame Experiments
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Topics: Boundary-value problems, Flames, Uncertainty, Methane, Polynomials, Nitrogen oxides
Journal Articles

Heat Transfer and Residence Time in Lean Direct Injection Fuel Galleries

Thomas D. Walker, Graham L. Peacock, Mark A. Brend, Clare Bonham, Jon D. Masters
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051001.
Paper No: GTP-21-1194
https://doi.org/10.1115/1.4053716
Published Online: February 21, 2022
View Article titled, Heat Transfer and Residence Time in Lean Direct Injection Fuel Galleries
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Topics: Flow (Dynamics), Fuels, Heat transfer, Temperature, Boundary-value problems
Journal Articles

Virtual Gas Turbines Part II: An Automated Whole-Engine Secondary Air System Model Generation

Davendu Kulkarni, Luca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031011.
Paper No: GTP-21-1410
https://doi.org/10.1115/1.4052561
Published Online: December 9, 2021
View Article titled, Virtual Gas Turbines Part II: An Automated Whole-Engine Secondary Air System Model Generation
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Topics: Cavities, Engines, Flow (Dynamics), Gas turbines, Geometry, Network models, Boundary-value problems, Design