Volume 145 Issue 6 | J. Eng. Gas Turbines Power

Research Papers

Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine

Weijian Zhou, Hongyuan Xi, Song Zhou, Majed Shreka, Zhao Zhang

J. Eng. Gas Turbines Power. June 2023, 145(6): 061001. doi: https://doi.org/10.1115/1.4056288

View articletitled, Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine

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Topics: Combustion , Diesel , Emissions , Engines , Natural gas , Cylinders , Pressure , Temperature , Computer simulation , Fuels

Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation

Man Zhen, Xue-zhi Dong, Jun-chao Zheng, Xi-yang Liu, Chun-qing Tan

J. Eng. Gas Turbines Power. June 2023, 145(6): 061002. doi: https://doi.org/10.1115/1.4056307

Abstract

View articletitled, Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation

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Topics: Computer simulation , Cycles , Ejectors , Engines , Flow (Dynamics) , Pressure , Valves , Design

Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

Zhi Fang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. June 2023, 145(6): 061003. doi: https://doi.org/10.1115/1.4056310

Abstract

View articletitled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

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Topics: Damping , Leakage , Numerical analysis , Pressure , Rotors , Stiffness , Clearances (Engineering) , Leakage flows , Cavities , Oscillating frequencies

Multi-Objective Optimization of Economy, Safety and Emissions for the Startup Scheduling of a Steam Turbine

Jianhong Chen, Ziwei Hu, Wei Li, Zhiwei Mao, Wenjian Wu, Zhenghao Gu

J. Eng. Gas Turbines Power. June 2023, 145(6): 061004. doi: https://doi.org/10.1115/1.4056427

Abstract

View articletitled, Multi-Objective Optimization of Economy, Safety and Emissions for the Startup Scheduling of a Steam Turbine

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Topics: Damage , Emissions , Fatigue life , Optimization , Pareto optimization , Rotors , Steam turbines , Stress , Temperature , Safety

Creep Analysis and Microstructural Evaluation of a Novel Additively Manufactured Nickel-Base Superalloy (ABD^®-900AM)

Alex Bridges, John Shingledecker, John Clark, David Crudden

J. Eng. Gas Turbines Power. June 2023, 145(6): 061005. doi: https://doi.org/10.1115/1.4056097

Abstract

View articletitled, Creep Analysis and Microstructural Evaluation of a Novel Additively Manufactured Nickel-Base Superalloy (ABD<sup>®</sup>-900AM)

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Topics: Creep , Rupture , Stress , Superalloys , Temperature , Nickel , Heat , Additive manufacturing

An Upgraded Chemical Kinetic Mechanism for Iso-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames

Astrid Ramirez Hernandez, Trupti Kathrotia, Torsten Methling, Marina Braun-Unkhoff, Uwe Riedel

J. Eng. Gas Turbines Power. June 2023, 145(6): 061006. doi: https://doi.org/10.1115/1.4056096

Abstract

View articletitled, An Upgraded Chemical Kinetic Mechanism for <em>Iso</em>-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames

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Topics: Flames , Ignition delay , Modeling , Oxidation , Fuels , Combustion , Soot

Power and Hydrogen Co-Production in Flexible “Powdrogen” Plants

Alessandro de Cataldo, Marco Astolfi, Paolo Chiesa, Stefano Campanari, Emanuele Martelli, Paolo Silva, Stefano Bedogni, Luca Ottolina, Marco Tappani, Matteo C. Romano

J. Eng. Gas Turbines Power. June 2023, 145(6): 061007. doi: https://doi.org/10.1115/1.4056045

Abstract

View articletitled, Power and Hydrogen Co-Production in Flexible “Powdrogen” Plants

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Topics: Hydrogen , Natural gas , Steam , Carbon dioxide , Combined cycles , Pressure , Syngas , Carbon capture and storage , Cycles , Stress

Dynamic Characteristics of Rotor-Squeeze Film Damper-Support System Excited by Base Harmonic Excitations Using MHB-AFT Method

Bo Zhang, Xi Chen, Fengguang Xiang, Xiaohua Gan, Guangming Ren

J. Eng. Gas Turbines Power. June 2023, 145(6): 061008. doi: https://doi.org/10.1115/1.4056048

Abstract

View articletitled, Dynamic Characteristics of Rotor-Squeeze Film Damper-Support System Excited by Base Harmonic Excitations Using MHB-AFT Method

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Topics: Dampers , Excitation , Rotation , Rotors , Steady state , Displacement , Yaw

Large Eddy Simulation of Gasoline Sprays in a Lagrangian–Eulerian Framework Using the High-Order Spectral Element Method

Juan D. Colmenares F., Muhsin M. Ameen, Saumil S. Patel

J. Eng. Gas Turbines Power. June 2023, 145(6): 061009. doi: https://doi.org/10.1115/1.4056425

Abstract

View articletitled, Large Eddy Simulation of Gasoline Sprays in a Lagrangian–Eulerian Framework Using the High-Order Spectral Element Method

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Topics: Drops , Plumes (Fluid dynamics) , Sprays , Simulation , Nozzles , Gasoline , Large eddy simulation

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski

J. Eng. Gas Turbines Power. June 2023, 145(6): 061010. doi: https://doi.org/10.1115/1.4056538

Abstract

View articletitled, Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

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Topics: Blades , Excitation , Spectral energy distribution , Traveling waves , Rotors , Damping , Mode shapes , Testing

Stability Characteristics of an Actively Valved Resonant Pulse Combustor

Xuren Zhu, Joel C. Lisanti, Thibault F. Guiberti, William L. Roberts

J. Eng. Gas Turbines Power. June 2023, 145(6): 061011. doi: https://doi.org/10.1115/1.4056456

Abstract

View articletitled, Stability Characteristics of an Actively Valved Resonant Pulse Combustor

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Topics: Combustion , Combustion chambers , Fuels , Pressure , Resonance , Signals , Stability , Valves , Oscillations

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

Luis San Andrés, Andy Alcantar

J. Eng. Gas Turbines Power. June 2023, 145(6): 061012. doi: https://doi.org/10.1115/1.4056535

Abstract

View articletitled, Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

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Topics: Bearings , Flow (Dynamics) , Stress , Temperature

Convolutional Neural Network Denoising Auto-Encoders for Intelligent Aircraft Engine Gas Path Health Signal Noise Filtering

Junjie Zhao, Yi-Guang Li, Suresh Sampath

J. Eng. Gas Turbines Power. June 2023, 145(6): 061013. doi: https://doi.org/10.1115/1.4056128

Abstract

View articletitled, Convolutional Neural Network Denoising Auto-Encoders for Intelligent Aircraft Engine Gas Path Health Signal Noise Filtering

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Topics: Artificial neural networks , Filtration , Noise (Sound) , Signals , Aircraft engines , Engines , Flight , Time series

Experimental Study of Effect of Injection Timing on Port Fuel Injection Gasoline, Port Fuel Injection Compressed Natural Gas, and Direct Injection Compressed Natural Gas Engine Performance, Combustion, and Emissions Characteristics

Sridhar Sahoo, Dhananjay Kumar Srivastava

J. Eng. Gas Turbines Power. June 2023, 145(6): 061014. doi: https://doi.org/10.1115/1.4056263

Abstract

View articletitled, Experimental Study of Effect of Injection Timing on Port Fuel Injection Gasoline, Port Fuel Injection Compressed Natural Gas, and Direct Injection Compressed Natural Gas Engine Performance, Combustion, and Emissions Characteristics

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Topics: Combustion , Compressed natural gas , Emissions , Engines , Fuels , Gasoline , Valves , Cylinders , Turbulence , Ignition

Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles

Yuxuan Dong, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. June 2023, 145(6): 061015. doi: https://doi.org/10.1115/1.4056428

Abstract

View articletitled, Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles

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Topics: Diffusers , Exhaust systems , Pressure , Struts (Engineering)

Development of a New Loss Model for Turbomachinery Labyrinth Seals

Davendu Kulkarni, Luca di Mare

J. Eng. Gas Turbines Power. June 2023, 145(6): 061016. doi: https://doi.org/10.1115/1.4056315

Abstract

View articletitled, Development of a New Loss Model for Turbomachinery Labyrinth Seals

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Topics: Flow (Dynamics) , Pressure

Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications

Hannah G. Lea, Rochelle S. Wooding, Sam Kuhr, John Rotella, José Luis Córdova

J. Eng. Gas Turbines Power. June 2023, 145(6): 061017. doi: https://doi.org/10.1115/1.4056794

Abstract

View articletitled, Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications

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Topics: Additive manufacturing , Creep , High cycle fatigue , Lasers , Mechanical properties , Rupture , Temperature , Testing , Stress , Blanks

Experimental Investigation of Combustion Dynamics in a High-Pressure Liquid-Fueled Swirl Combustor

Aravind Chandh, Subodh Adhikari, David Wu, Randall McKinney, Benjamin Emerson, Qingguo Zhang, Dibesh Joshi, Baris Sen, Dustin Davis

J. Eng. Gas Turbines Power. June 2023, 145(6): 061018. doi: https://doi.org/10.1115/1.4056718

Abstract

View articletitled, Experimental Investigation of Combustion Dynamics in a High-Pressure Liquid-Fueled Swirl Combustor

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Topics: Combustion , Combustion chambers , Dynamics (Mechanics) , High pressure (Physics) , Noise (Sound) , Pressure , Signals , Turbulence , Bifurcation , Acoustics

Application of an Automatic Mesh Convergence Procedure for the Large Eddy Simulation of a Multipoint Injection System

S. Puggelli, J. Leparoux, C. Brunet, R. Mercier, L. Liberatori, S. Zurbach, G. Cabot, F. Grisch

J. Eng. Gas Turbines Power. June 2023, 145(6): 061019. doi: https://doi.org/10.1115/1.4056635

Abstract

View articletitled, Application of an Automatic Mesh Convergence Procedure for the Large Eddy Simulation of a Multipoint Injection System

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Topics: Flames , Flow (Dynamics) , High pressure (Physics) , Large eddy simulation , Combustion chambers , Resolution (Optics) , Aircraft engines , Vapors , Fuels

Combustion Variability Monitoring in Engines Using High-Speed Exhaust Temperature and Pressure Measurements

Abdullah U. Bajwa, Mark A. Patterson, Timothy J. Jacobs

J. Eng. Gas Turbines Power. June 2023, 145(6): 061020. doi: https://doi.org/10.1115/1.4056636

Abstract

View articletitled, Combustion Variability Monitoring in Engines Using High-Speed Exhaust Temperature and Pressure Measurements

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Topics: Combustion , Cycles , Engines , Exhaust systems , Pressure , Temperature , Cylinders

Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

Anna Bru Revert, Paul F. Beard, John W. Chew

J. Eng. Gas Turbines Power. June 2023, 145(6): 061021. doi: https://doi.org/10.1115/1.4056552

Abstract

View articletitled, Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

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Topics: Acoustics , Annulus , Cavities , Flow (Dynamics) , Pressure , Rotors , Waves , Disks , Unsteady flow

Research Papers

Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine

Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation

Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

Multi-Objective Optimization of Economy, Safety and Emissions for the Startup Scheduling of a Steam Turbine

Creep Analysis and Microstructural Evaluation of a Novel Additively Manufactured Nickel-Base Superalloy (ABD^®-900AM)

An Upgraded Chemical Kinetic Mechanism for Iso-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames

Power and Hydrogen Co-Production in Flexible “Powdrogen” Plants

Dynamic Characteristics of Rotor-Squeeze Film Damper-Support System Excited by Base Harmonic Excitations Using MHB-AFT Method

Large Eddy Simulation of Gasoline Sprays in a Lagrangian–Eulerian Framework Using the High-Order Spectral Element Method

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Stability Characteristics of an Actively Valved Resonant Pulse Combustor

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

Convolutional Neural Network Denoising Auto-Encoders for Intelligent Aircraft Engine Gas Path Health Signal Noise Filtering

Experimental Study of Effect of Injection Timing on Port Fuel Injection Gasoline, Port Fuel Injection Compressed Natural Gas, and Direct Injection Compressed Natural Gas Engine Performance, Combustion, and Emissions Characteristics

Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles

Development of a New Loss Model for Turbomachinery Labyrinth Seals

Characterization of Properties of Laser Powder Bed Fusion Three-Dimensional-Printed Inconel 718 for Centrifugal Turbomachinery Applications

Experimental Investigation of Combustion Dynamics in a High-Pressure Liquid-Fueled Swirl Combustor

Application of an Automatic Mesh Convergence Procedure for the Large Eddy Simulation of a Multipoint Injection System

Combustion Variability Monitoring in Engines Using High-Speed Exhaust Temperature and Pressure Measurements

Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

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