Volume 147 Issue 2 | J. Eng. Gas Turbines Power

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Volume 147, Issue 2

February 2025

ISSN 0742-4795

EISSN 1528-8919

Research Papers

Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid–Structure Interactions

Patrick K. Tran, Jared F. Congiardo, Craig R. Fortier, Erik Fernandez, Jayanta S. Kapat

J. Eng. Gas Turbines Power. February 2025, 147(2): 021001. doi: https://doi.org/10.1115/1.4066345

Abstracts

View articletitled, Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid–Structure Interactions

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Topics: Flow (Dynamics) , Hydrogen , Metals , Fluids , Fluid structure interaction , Flow-induced vibrations

Experimental Investigation on Leakage and Frictional Heat Generation Characteristics of Low Hysteresis Brush Seals

Pengfei Li, Yaping Hu, Yuhang Hou, Honghu Ji

J. Eng. Gas Turbines Power. February 2025, 147(2): 021002. doi: https://doi.org/10.1115/1.4066347

Abstracts

View articletitled, Experimental Investigation on Leakage and Frictional Heat Generation Characteristics of Low Hysteresis Brush Seals

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Topics: Heat , Leakage , Pressure , Rotors , Temperature

Pressure Gain Combustion for Gas Turbines: Analysis of a Fully Coupled Engine Model

Rupert Klein, Maikel Nadolski, Christian Zenker, Michael Oevermann, Christian Oliver Paschereit

J. Eng. Gas Turbines Power. February 2025, 147(2): 021003. doi: https://doi.org/10.1115/1.4066348

Abstracts

View articletitled, Pressure Gain Combustion for Gas Turbines: Analysis of a Fully Coupled Engine Model

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Topics: Combustion , Combustion chambers , Compressors , Engines , Explosions , Pressure , Temperature , Turbines , Cycles , Flow (Dynamics)

On the Optimum Distribution of Multiple Helmholtz Resonators for Annular Combustors

Hongwei Chen, Liming Yin, Xiaopei Liu, Mingmin Chen, Dong Yang

J. Eng. Gas Turbines Power. February 2025, 147(2): 021004. doi: https://doi.org/10.1115/1.4066354

Abstracts

View articletitled, On the Optimum Distribution of Multiple Helmholtz Resonators for Annular Combustors

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Topics: Combustion chambers , Damping , Eigenvalues , Acoustics , Dampers , Gas turbines

Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

Zhigang Li, Zihan Zhang, Jun Li

J. Eng. Gas Turbines Power. February 2025, 147(2): 021005. doi: https://doi.org/10.1115/1.4066295

Abstracts

View articletitled, Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

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Topics: Brakes , Dampers , Damping , Fluids , Rotors , Steam turbines , Stiffness , Whirls , Cavities , Pressure

Analysis and Optimization of the Fatigue Damage Accumulation Under Transient Vibrations of Mistuned Bladed Disks

Tong Jing, Chaoping Zang, Evgeny Petrov

J. Eng. Gas Turbines Power. February 2025, 147(2): 021006. doi: https://doi.org/10.1115/1.4066290

Abstracts

View articletitled, Analysis and Optimization of the Fatigue Damage Accumulation Under Transient Vibrations of Mistuned Bladed Disks

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Topics: Bladed disks , Fatigue damage , Stress , Transients (Dynamics) , Blades , Optimization , Vibration

Evaluation of Data-Driven Classifiers for an Ignition Forecast of Large Gas Turbines

Florian Lang, Maximilian Savtschenko, Vikas Yadav, Abdulla Ghani

J. Eng. Gas Turbines Power. February 2025, 147(2): 021007. doi: https://doi.org/10.1115/1.4066293

Abstracts

View articletitled, Evaluation of Data-Driven Classifiers for an Ignition Forecast of Large Gas Turbines

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Topics: Ignition , Engines , Algorithms

Design-Point Techno-Economics of Brayton Cycle PTES for Combined Heat and Power

Ty Neises, Joshua McTigue

J. Eng. Gas Turbines Power. February 2025, 147(2): 021008. doi: https://doi.org/10.1115/1.4066256

Abstracts

View articletitled, Design-Point Techno-Economics of Brayton Cycle PTES for Combined Heat and Power

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Topics: Combined heat and power , Design , Heat , Temperature , Turbines , Cycles , Thermal energy storage , Heat exchangers

A Surrogate Model Approach to Predict Operations and Maintenance Cost for Combined Cycle Power Plant

Woosung Choi, Bobby M. Webb, David R. Noble

J. Eng. Gas Turbines Power. February 2025, 147(2): 021009. doi: https://doi.org/10.1115/1.4066252

Abstracts

View articletitled, A Surrogate Model Approach to Predict Operations and Maintenance Cost for Combined Cycle Power Plant

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Topics: Maintenance , Combined cycle power stations , Combined cycles

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

Panagiotis Gallis, Daniela Anna Misul, Bastien Boust, Marc Bellenoue, Simone Salvadori

J. Eng. Gas Turbines Power. February 2025, 147(2): 021010. doi: https://doi.org/10.1115/1.4066253

Abstracts

View articletitled, 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

Reverse Thrust Aerodynamics of Variable Pitch Fans With Inlet Distortion

Kwun Yeung Ma, Cesare A. Hall, Tianhou Wang, Tim S. Williams

J. Eng. Gas Turbines Power. February 2025, 147(2): 021011. doi: https://doi.org/10.1115/1.4066254

Abstracts

View articletitled, Reverse Thrust Aerodynamics of Variable Pitch Fans With Inlet Distortion

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Topics: Engines , Flow (Dynamics) , Rotors , Thrust , Pressure , Aerodynamics , Temperature , Computational fluid dynamics

IndRNN-Based Data-Driven Modeling Integrated With Physical Knowledge for Engine Performance Monitoring

Dasheng Xiao, Hong Xiao, Zhanxue Wang

J. Eng. Gas Turbines Power. February 2025, 147(2): 021012. doi: https://doi.org/10.1115/1.4066292

Abstracts

View articletitled, IndRNN-Based Data-Driven Modeling Integrated With Physical Knowledge for Engine Performance Monitoring

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Topics: Aircraft engines , Engines , Thrust , Modeling , Temperature , Exhaust systems

A Comprehensive Thermodynamic Analysis of Gas Turbine Combined Cycles With Pressure Gain Combustion Based on Humphrey Cycle

Abhishek Dubey, Alessandro Sorce, Panagiotis Stathopoulos

J. Eng. Gas Turbines Power. February 2025, 147(2): 021013. doi: https://doi.org/10.1115/1.4066255

Abstracts

View articletitled, A Comprehensive Thermodynamic Analysis of Gas Turbine Combined Cycles With Pressure Gain Combustion Based on Humphrey Cycle

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Topics: Combined cycles , Combustion , Combustion chambers , Cycles , Gas turbines , Pressure , Turbines , Temperature , Cooling

A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation

Yiming Meng, Zhicheng Xiao, Pengfei Chai, Shang Wang, Xiaocheng Zhu, Hua Ouyang

J. Eng. Gas Turbines Power. February 2025, 147(2): 021014. doi: https://doi.org/10.1115/1.4066351

Abstracts

View articletitled, A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation

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Topics: Blades , Displacement , Sensors , Traveling waves , Vibration

Development of a Hydrogen Microgas Turbine Combustor: NO_x Emissions and Secondary Air Injection

Tom Tanneberger, Johannes Mundstock, Sebastian Rösch, Christoph Rex, Christian Oliver Paschereit

J. Eng. Gas Turbines Power. February 2025, 147(2): 021015. doi: https://doi.org/10.1115/1.4066346

Abstracts

View articletitled, Development of a Hydrogen Microgas Turbine Combustor: NO<sub>x</sub> Emissions and Secondary Air Injection

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Topics: Combustion chambers , Emissions , Flames , Flow (Dynamics) , Fuels , Hydrogen , Nitrogen oxides , Temperature , Turbines , Exhaust systems

Synergetic and Performance Characteristics of a High-Speed Precooled Propulsion Concept

Athanasios Chatzistefanou, Spyros Tsentis, Anestis Kalfas

J. Eng. Gas Turbines Power. February 2025, 147(2): 021016. doi: https://doi.org/10.1115/1.4066352

Abstracts

View articletitled, Synergetic and Performance Characteristics of a High-Speed Precooled Propulsion Concept

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Topics: Cycles , Design , Ducts , Engines , Flow (Dynamics) , Helium , Impulse (Physics) , Temperature , Thrust , Fuels

A Novel Thermally Integrated CO₂-Carnot Battery (TI-PTES) Utilizing Cold Thermal Storage

Syed Safeer Mehdi Shamsi, Stefano Barberis, Andrea Burlando, Simone Maccarini, Alberto Traverso

J. Eng. Gas Turbines Power. February 2025, 147(2): 021017. doi: https://doi.org/10.1115/1.4066353

Abstracts

View articletitled, A Novel Thermally Integrated CO<sub>2</sub>-Carnot Battery (TI-PTES) Utilizing Cold Thermal Storage

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Topics: Carbon dioxide , Cycles , Heat , Storage , Temperature , Thermal energy storage , Energy storage , Economics , Batteries , Pressure

Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor

Carlo Alberto Niccolini Marmont Du Haut Champ, Paolo Silvestri, Federico Reggio, Alberto Traverso, Vishnu Sishtla

J. Eng. Gas Turbines Power. February 2025, 147(2): 021018. doi: https://doi.org/10.1115/1.4066363

Abstracts

View articletitled, Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor

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Topics: Compressors , Surges , Acoustics , Signals , Heat pumps

A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power

Victoria He, Jan Van Herle, Jürg Schiffmann

J. Eng. Gas Turbines Power. February 2025, 147(2): 021019. doi: https://doi.org/10.1115/1.4066356

Abstracts

View articletitled, A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power

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Topics: Compressors , Computational fluid dynamics , Design , High temperature , Syngas , Solid oxide fuel cells , Blades , Combined heat and power , Pressure , Impellers

A High-Speed, High-Temperature, Micro-Cantilever Steam Turbine for Hot Syngas Compression in Small-Scale Combined Heat and Power

Victoria He, Jan Van Herle, Jürg Schiffmann

J. Eng. Gas Turbines Power. February 2025, 147(2): 021020. doi: https://doi.org/10.1115/1.4066355

Abstracts

View articletitled, A High-Speed, High-Temperature, Micro-Cantilever Steam Turbine for Hot Syngas Compression in Small-Scale Combined Heat and Power

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Topics: Computational fluid dynamics , Design , High temperature , Rotors , Steam , Turbines , Steam turbines , Blades , Combined heat and power , Solid oxide fuel cells

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

J. Eng. Gas Turbines Power. February 2025, 147(2): 021021. doi: https://doi.org/10.1115/1.4066436

Abstracts

View articletitled, 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

Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations

L. Orsini, A. Picchi, B. Facchini, A. Bonini, L. Innocenti

J. Eng. Gas Turbines Power. February 2025, 147(2): 021022. doi: https://doi.org/10.1115/1.4066536

Abstracts

View articletitled, Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations

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Topics: Blades , Design , Disks , Flow (Dynamics) , Rotors , Sealing (Process) , Stators , Cavities

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

Rashid E. Mattar, Dushyanth Sirivolu, Kiran D'Souza

J. Eng. Gas Turbines Power. February 2025, 147(2): 021023. doi: https://doi.org/10.1115/1.4066604

Abstracts

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

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Topics: Aircraft , Blades , Damage , Manufacturing , Stress , Transients (Dynamics) , Simulation , Disks , Engines

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

Tianhao Wang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. February 2025, 147(2): 021024. doi: https://doi.org/10.1115/1.4066718

Abstracts

View articletitled, A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

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Topics: Excitation , Resolution (Optics) , Rotors , Signals , Whirls , Computational fluid dynamics , Simulation , Errors , Numerical analysis

Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Gas Turbines

Ramees K. Rahman, Michael Pierro, Mark Winquist, Ganesan Subbaraman, Wenting Sun, Robert Steele, John Vega, Subith S. Vasu

J. Eng. Gas Turbines Power. February 2025, 147(2): 021025. doi: https://doi.org/10.1115/1.4066240

Abstracts

View articletitled, Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Gas Turbines

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Topics: Combustion , Flames , Fuels , Gas turbines , Hydrogen , Turbines , Simulation , Computational fluid dynamics , Emissions , Errors

An Optimized and Reduced Chemical Kinetic Model for Hydrogen and Natural Gas Blends Combustion in Industrial Gas Turbines

Ramees K. Rahman, Raghu Kancherla, Gregory Vogel, Subith S. Vasu

J. Eng. Gas Turbines Power. February 2025, 147(2): 021026. doi: https://doi.org/10.1115/1.4066241

Abstracts

View articletitled, An Optimized and Reduced Chemical Kinetic Model for Hydrogen and Natural Gas Blends Combustion in Industrial Gas Turbines

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Topics: Combustion , Flames , Fuels , Hydrogen , Natural gas , Turbines , Temperature , Oxidation , Gas turbines , Nitrogen oxides

Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

Howon Yi, Kyuman Kim, Hyunsung Jung, Keun Ryu

J. Eng. Gas Turbines Power. February 2025, 147(2): 021027. doi: https://doi.org/10.1115/1.4066539

Abstract

View articletitled, Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

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Topics: Bearings , Rotors , Water , Fluids , Nitrogen

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

Alberto Broatch, Roberto Navarro, Jorge García-Tíscar, Ferran Roig

J. Eng. Gas Turbines Power. February 2025, 147(2): 021028. doi: https://doi.org/10.1115/1.4066529

Abstract

View articletitled, 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

A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

Pierre Sivel, Christian Frey, Hans-Peter Kersken, Edmund Kügeler

J. Eng. Gas Turbines Power. February 2025, 147(2): 021029. doi: https://doi.org/10.1115/1.4066537

Abstract

View articletitled, A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

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Topics: Cavities , Computation , Energy dissipation , Flutter (Aerodynamics) , Mach number , Flow (Dynamics) , Acoustics

Model Predictive Control Strategies for Turbine Electrified Energy Management

Elyse D. Hill, Aria E. Amthor, Donald I. Soloway, Donald L. Simon, Joseph W. Connolly

J. Eng. Gas Turbines Power. February 2025, 147(2): 021030. doi: https://doi.org/10.1115/1.4063783

Abstract

View articletitled, Model Predictive Control Strategies for Turbine Electrified Energy Management

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Topics: Control equipment , Design , Energy management , Engines , Transients (Dynamics) , Turbines , Predictive control , Steady state , Compressors , Architecture

Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines

Rahul A. Bidkar, Uttara Kumar, Deepak Trivedi, Xiaohua Zhang, Collin Rambacher, Aaron Rimpel, Thomas Kerr, Jeremy Johnson

J. Eng. Gas Turbines Power. February 2025, 147(2): 021031. doi: https://doi.org/10.1115/1.4067180

Abstracts

View articletitled, Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines

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Topics: Bearings , Design , Film thickness , Fluids , Leakage , Pressure , Rotors , Supercritical carbon dioxide , Temperature , Turbines

Research Papers

Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid–Structure Interactions

Experimental Investigation on Leakage and Frictional Heat Generation Characteristics of Low Hysteresis Brush Seals

Pressure Gain Combustion for Gas Turbines: Analysis of a Fully Coupled Engine Model

On the Optimum Distribution of Multiple Helmholtz Resonators for Annular Combustors

Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

Analysis and Optimization of the Fatigue Damage Accumulation Under Transient Vibrations of Mistuned Bladed Disks

Evaluation of Data-Driven Classifiers for an Ignition Forecast of Large Gas Turbines

Design-Point Techno-Economics of Brayton Cycle PTES for Combined Heat and Power

A Surrogate Model Approach to Predict Operations and Maintenance Cost for Combined Cycle Power Plant

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

Reverse Thrust Aerodynamics of Variable Pitch Fans With Inlet Distortion

IndRNN-Based Data-Driven Modeling Integrated With Physical Knowledge for Engine Performance Monitoring

A Comprehensive Thermodynamic Analysis of Gas Turbine Combined Cycles With Pressure Gain Combustion Based on Humphrey Cycle

A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation

Development of a Hydrogen Microgas Turbine Combustor: NO_x Emissions and Secondary Air Injection

Synergetic and Performance Characteristics of a High-Speed Precooled Propulsion Concept

A Novel Thermally Integrated CO₂-Carnot Battery (TI-PTES) Utilizing Cold Thermal Storage

Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor

A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power

A High-Speed, High-Temperature, Micro-Cantilever Steam Turbine for Hot Syngas Compression in Small-Scale Combined Heat and Power

Design and Manufacture of SiC/SiC Nozzle Guide Vanes With Environmental Barrier Coatings for High-Pressure Turbines

Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations

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

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Gas Turbines

An Optimized and Reduced Chemical Kinetic Model for Hydrogen and Natural Gas Blends Combustion in Industrial Gas Turbines

Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

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

A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

Model Predictive Control Strategies for Turbine Electrified Energy Management

Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines

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