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Volume 147, Issue 10

October 2025

In Progress

Journal of Engineering for Gas Turbines and Power Cover Image for Volume 147, Issue 10

Previous Issue

ISSN 0742-4795

EISSN 1528-8919

In this Issue

Research Papers

Research Papers

Co-Axial Rotor Aero-Engine System: A Hybrid Modeling and Dynamic in Situ Residual Balancing Between High and Small Frequencies Along Simulated Trial Unbalances With Active Magnetic Bearing Integration

Bala Murugan S, R. K. Behera

J. Eng. Gas Turbines Power. October 2025, 147(10): 101001. doi: https://doi.org/10.1115/1.4067861

Abstract

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Topics: Rotors , Disks , Displacement , Magnetic bearings

DGEN Aeropropulsion Research Turbofan Core/Combustor-Noise Measurements—Source Separation

Lennart S. Hultgren, Devin K. Boyle, Brenda S. Henderson

J. Eng. Gas Turbines Power. October 2025, 147(10): 101002. doi: https://doi.org/10.1115/1.4067914

Abstracts

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Topics: Combustion chambers , Engines , Microphones , Noise (Sound) , Nozzles , Signals , Separation (Technology) , Turbofans , Sensors , Acoustics

Assessment of a Liquid Hydrogen Conditioning System for Retrofitting on Kerosene Designed Turbofans

Pavlos Rompokos, Vasileios Kyritsis, Christos Mourouzidis, Ioannis Roumeliotis

J. Eng. Gas Turbines Power. October 2025, 147(10): 101003. doi: https://doi.org/10.1115/1.4067915

Abstracts

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Topics: Combustion , Engines , Flow (Dynamics) , Fuels , Hydrogen , Temperature , Tertiary petroleum recovery , Design , Modeling , Turbines

Improving the Predictive Capability of Empirical Heat Transfer Correlations for Hydrogen Internal Combustion Engines

Dominic Parsons, Hao Yuan, Sam Akehurst, Stefania Esposito

J. Eng. Gas Turbines Power. October 2025, 147(10): 101004. doi: https://doi.org/10.1115/1.4067990

Abstract

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Topics: Combustion , Heat transfer , Hydrogen , Turbulence , Heat flux , Compression

Comparative Study on the Effect of Premixed Equivalence Ratio on Engine Characteristics of Ammonia-Fueled Engine Under Diesel Pilot Ignition Versus Spark Ignition Combustion Mode

Caneon Kurien, Christine Mounaïm-Rousselle

J. Eng. Gas Turbines Power. October 2025, 147(10): 101005. doi: https://doi.org/10.1115/1.4067991

Abstract

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Topics: Combustion , Compression , Diesel , Engines , Ignition , Emissions , Pressure , Fuels

The Hybrid Pathway to Flexible Power Turbines: Part IV, Automated Construction of Mesh Derived Thermal Network Models for Fast Full-Machine Thermal Analysis

Mark Baker, Budimir Rosic

J. Eng. Gas Turbines Power. October 2025, 147(10): 101006. doi: https://doi.org/10.1115/1.4067992

Abstract

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Topics: Construction , Flow (Dynamics) , Fluids , Geometry , Heat transfer , Machinery , Network models , Radiation (Physics) , Simulation , Turbines

Methanol Operation in Heavy-Duty DICI Dual-Fuel Engines: Investigating Charge Cooling Effects Using Engine Combustion Network Spray D Data

Konstantinos Zoumpourlos, Rinze Geertsma, Robert van de Ketterij, Andrea Coraddu

J. Eng. Gas Turbines Power. October 2025, 147(10): 101007. doi: https://doi.org/10.1115/1.4067862

Abstract

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Topics: Cooling , Diesel , Fuels , Methanol , Sprays , Temperature , Combustion , Engines , Computational fluid dynamics

Detailed Investigation of Diesel-Gas Dual Fuel Combustion Phenomena by Means of Combustion Chamber Endoscopy and Three-Dimensional Computational Fluid Dynamics Simulation

Christoph Redtenbacher, Constantin Kiesling, Maximilian Malin, Andreas Nickl, Lucas Eder, Marcel Lackner, Andreas Wimmer

J. Eng. Gas Turbines Power. October 2025, 147(10): 101008. doi: https://doi.org/10.1115/1.4067917

Abstract

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Topics: Combustion , Combustion chambers , Computational fluid dynamics , Cylinders , Diesel , Engines , Fuels , Simulation , Ignition

Data-Driven Approach for Predicting Vibration Response of Bladed Disks With Geometric Mistuning

Daosen Liang, Zichu Jia, Yulin Wu, Zhifu Cao, Tao Zhang, Jun Fan, Jianyao Yao

J. Eng. Gas Turbines Power. October 2025, 147(10): 101009. doi: https://doi.org/10.1115/1.4068014

Abstract

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Topics: Artificial neural networks , Bladed disks , Blades , Deep neural networks , Disks , Vibration , Finite element model

High-Temperature Industrial-Scale CO₂ Heat Pumps: Thermodynamic Analysis and Pilot-Scale Testing

Timothy J. Held, Jason Miller, Jason Mallinak, Luke Magyar

J. Eng. Gas Turbines Power. October 2025, 147(10): 101010. doi: https://doi.org/10.1115/1.4068029

Abstract

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Topics: Carbon dioxide , Compressors , Cycles , Fluids , Heat , Heat pumps , High temperature , Pressure , Temperature , Steam

Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression

Yinke Qi, Xiaofeng Ma, Peixue Jiang, Yinhai Zhu

J. Eng. Gas Turbines Power. October 2025, 147(10): 101011. doi: https://doi.org/10.1115/1.4067989

Abstract

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Topics: Brayton cycle , Cavities , Compression , Compressors , Cycles , Feedback , Integrated systems , Leakage , Pressure , Turbines

Multifidelity Optimization of Turbulence in a Gas Turbine Combustor Simulator

Jennifer A. Miklaszewski, Masha B. Folk, Peter E. Hamlington

J. Eng. Gas Turbines Power. October 2025, 147(10): 101012. doi: https://doi.org/10.1115/1.4068012

Abstract

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Topics: Combustion chambers , Optimization , Pressure , Reynolds-averaged Navier–Stokes equations , Simulation , Turbulence , Design , Jets , Flow (Dynamics) , Large eddy simulation

Characterization of Crankcase Ventilation Gas on Stationary Natural Gas Engines

Arturo Quintero Castillo, Andrew Zdanowicz, Bret Windom, Daniel B. Olsen

J. Eng. Gas Turbines Power. October 2025, 147(10): 101013. doi: https://doi.org/10.1115/1.4067916

Abstracts

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Topics: Emissions , Engines , Methane , Stress , Exhaust systems , Testing , Ventilation , Particulate matter

Experimental Investigation of Particulate Emissions From an Ammonia-Fueled Internal Combustion Engine

Tejashri Patil, Shawn Reggeti, Seamus P. Kane, William F. Northrop

J. Eng. Gas Turbines Power. October 2025, 147(10): 101014. doi: https://doi.org/10.1115/1.4068030

Abstracts

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Topics: Combustion , Emissions , Engines , Exhaust systems , Fuels , Internal combustion engines , Particulate matter , Temperature , Nitrogen , Hydrogen

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Abdullah M. Abbas, Michael J. Pekris, John W. Chew

J. Eng. Gas Turbines Power. October 2025, 147(10): 101015. doi: https://doi.org/10.1115/1.4067863

Abstract

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Topics: Boundary-value problems , Design , Flow (Dynamics) , Geometry , Porous materials , Computational fluid dynamics , Experimental design , Aerodynamics , Fluid-dynamic forces , Gas turbines

Creep Properties of Nickel Alloys—Comparison Between Conventional and Laser Powder Bed Fusion Manufacturing Routes

Sandra Megahed, Erina Okabe, Karl Michael Krämer, Christian Kontermann, Christoph Heinze, Matthias Oechsner

J. Eng. Gas Turbines Power. October 2025, 147(10): 101016. doi: https://doi.org/10.1115/1.4068087

Abstract

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Topics: Creep , Manufacturing , Selective laser melting , Laser powder bed fusion

The Hybrid Pathway to Flexible Power Turbines, Part III: Enabling Live Thermal Boundary Prediction Using Real-Time Plant Measurements and LSTM Neural Networks

Mark Baker, Budimir Rosic

J. Eng. Gas Turbines Power. October 2025, 147(10): 101017. doi: https://doi.org/10.1115/1.4068013

Abstract

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Topics: Artificial neural networks , Turbines , Temperature , Errors , Time series

Foreign Object Damage of Environmental Barrier Coatings Subjected to CMAS Attack

Leland C. Hoffman, Jamesa L. Stokes, John Setlock

J. Eng. Gas Turbines Power. October 2025, 147(10): 101018. doi: https://doi.org/10.1115/1.4068159

Abstract

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Topics: Coatings , Damage , Testing , Silicon carbide , Projectiles , Delamination , Fracture toughness , Young's modulus

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Research Papers

Co-Axial Rotor Aero-Engine System: A Hybrid Modeling and Dynamic in Situ Residual Balancing Between High and Small Frequencies Along Simulated Trial Unbalances With Active Magnetic Bearing Integration

DGEN Aeropropulsion Research Turbofan Core/Combustor-Noise Measurements—Source Separation

Assessment of a Liquid Hydrogen Conditioning System for Retrofitting on Kerosene Designed Turbofans

Improving the Predictive Capability of Empirical Heat Transfer Correlations for Hydrogen Internal Combustion Engines

Comparative Study on the Effect of Premixed Equivalence Ratio on Engine Characteristics of Ammonia-Fueled Engine Under Diesel Pilot Ignition Versus Spark Ignition Combustion Mode

The Hybrid Pathway to Flexible Power Turbines: Part IV, Automated Construction of Mesh Derived Thermal Network Models for Fast Full-Machine Thermal Analysis

Methanol Operation in Heavy-Duty DICI Dual-Fuel Engines: Investigating Charge Cooling Effects Using Engine Combustion Network Spray D Data

Detailed Investigation of Diesel-Gas Dual Fuel Combustion Phenomena by Means of Combustion Chamber Endoscopy and Three-Dimensional Computational Fluid Dynamics Simulation

Data-Driven Approach for Predicting Vibration Response of Bladed Disks With Geometric Mistuning

High-Temperature Industrial-Scale CO₂ Heat Pumps: Thermodynamic Analysis and Pilot-Scale Testing

Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression

Multifidelity Optimization of Turbulence in a Gas Turbine Combustor Simulator

Characterization of Crankcase Ventilation Gas on Stationary Natural Gas Engines

Experimental Investigation of Particulate Emissions From an Ammonia-Fueled Internal Combustion Engine

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Creep Properties of Nickel Alloys—Comparison Between Conventional and Laser Powder Bed Fusion Manufacturing Routes

The Hybrid Pathway to Flexible Power Turbines, Part III: Enabling Live Thermal Boundary Prediction Using Real-Time Plant Measurements and LSTM Neural Networks

Foreign Object Damage of Environmental Barrier Coatings Subjected to CMAS Attack

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