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Journal Articles

Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed

Niranjan Miganakallu, Jacob Stafford, Eri Amezcua, Kenneth S. Kim, Chol-Bum M. Kweon, David A. Rothamer
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071013.
Paper No: GTP-23-1108
DOI: https://doi.org/10.1115/1.4062419
Published Online: May 25, 2023
View Article titled, Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed
Click here to open pdf in another window PDF for Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed
Topics: Combustion, Computer-aided design, Fuels, Ignition, Pressure, Silicon-on-insulator, Heat, Engines, Jet fuels, Diesel engines
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

Thrust Command Scheduling For Uncertainty-Tolerant Control Of Gas Turbine Aero-Engines

Accepted Manuscript
Zhiyuan Wei, Shuguang Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1663
DOI: https://doi.org/10.1115/1.4062561
Published Online: May 18, 2023
View Article titled, Thrust Command Scheduling For Uncertainty-Tolerant Control Of Gas Turbine Aero-Engines
Click here to open pdf in another window PDF for Thrust Command Scheduling For Uncertainty-Tolerant Control Of Gas Turbine Aero-Engines
Topics: Aircraft engines, Gas turbines, Thrust, Uncertainty, Control equipment, Engines, Pressure, Accuracy and precision, Engineering simulation, Measurement uncertainty
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

Deterministic Optimisation Approach for High-Performance Externally-Fired Biomass-Fueled Micro-Gas Turbines

Accepted Manuscript
Konstantinos Bollas, Theofilos Efstathiadis, Anestis I. Kalfas
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1664
DOI: https://doi.org/10.1115/1.4062479
Published Online: May 5, 2023
View Article titled, Deterministic Optimisation Approach for High-Performance Externally-Fired Biomass-Fueled Micro-Gas Turbines
Click here to open pdf in another window PDF for Deterministic Optimisation Approach for High-Performance Externally-Fired Biomass-Fueled Micro-Gas Turbines
Topics: Biomass, Optimization, Turbines, Temperature, Algorithms, Combined heat and power, Compressors, Cycles, Economics , High temperature
Journal Articles

Turbulent Flow and Heat Transfer Enhancement for Turbine Blade Trailing Edge Cooling With Gyroid-Type Triply Periodic Minimal Surfaces

Kirttayoth Yeranee, Yu Rao
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071008.
Paper No: GTP-22-1645
DOI: https://doi.org/10.1115/1.4062157
Published Online: April 19, 2023
View Article titled, Turbulent Flow and Heat Transfer Enhancement for Turbine Blade Trailing Edge Cooling With Gyroid-Type Triply Periodic Minimal Surfaces
Click here to open pdf in another window PDF for Turbulent Flow and Heat Transfer Enhancement for Turbine Blade Trailing Edge Cooling With Gyroid-Type Triply Periodic Minimal Surfaces
Topics: Cooling, Flow (Dynamics), Heat transfer, Reynolds number, Pressure, Fins, Wedges, Gas turbines, Turbulence
Journal Articles

Inter-Stage Pressure Drop of Multi-Stage Brush Seal With Differentiated Structure

Huan Zhao, Yelong Li, Dan Sun, Yu Li, Shuaifang Wen, Jisheng Sun
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071001.
Paper No: GTP-22-1466
DOI: https://doi.org/10.1115/1.4056793
Published Online: February 27, 2023
View Article titled, Inter-Stage Pressure Drop of Multi-Stage Brush Seal With Differentiated Structure
Click here to open pdf in another window PDF for Inter-Stage Pressure Drop of Multi-Stage Brush Seal With Differentiated Structure
Topics: Flow (Dynamics), Pressure, Pressure drop, Air flow
Journal Articles

Estimation of Wiebe Function Parameters for Syngas and Anode Off-Gas Combustion in Spark-Ignition Engines

Ruinan Yang, Zhongan Ran, Dimitris Assanis
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071004.
Paper No: GTP-22-1568
DOI: https://doi.org/10.1115/1.4056856
Published Online: February 27, 2023
View Article titled, Estimation of Wiebe Function Parameters for Syngas and Anode Off-Gas Combustion in Spark-Ignition Engines
Click here to open pdf in another window PDF for Estimation of Wiebe Function Parameters for Syngas and Anode Off-Gas Combustion in Spark-Ignition Engines
Topics: Anodes, Combustion, Cylinders, Fuels, Spark-ignition engine, Syngas, Heat, Engines, Pressure
Journal Articles

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

Anna Bru Revert, Paul F. Beard, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061021.
Paper No: GTP-22-1603
DOI: https://doi.org/10.1115/1.4056552
Published Online: February 15, 2023
View Article titled, Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
Click here to open pdf in another window PDF for Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
Topics: Acoustics, Annulus, Cavities, Flow (Dynamics), Pressure, Rotors, Waves, Disks, Unsteady flow
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061018.
Paper No: GTP-22-1477
DOI: https://doi.org/10.1115/1.4056718
Published Online: February 15, 2023
View Article titled, Experimental Investigation of Combustion Dynamics in a High-Pressure Liquid-Fueled Swirl Combustor
Click here to open pdf in another window PDF for Experimental Investigation of Combustion Dynamics in a High-Pressure Liquid-Fueled Swirl Combustor
Topics: Combustion, Combustion chambers, Dynamics (Mechanics), High pressure (Physics), Noise (Sound), Pressure, Signals, Turbulence, Bifurcation, Acoustics
Journal Articles

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

Abdullah U. Bajwa, Mark A. Patterson, Timothy J. Jacobs
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061020.
Paper No: GTP-22-1546
DOI: https://doi.org/10.1115/1.4056636
Published Online: February 15, 2023
View Article titled, Combustion Variability Monitoring in Engines Using High-Speed Exhaust Temperature and Pressure Measurements
Click here to open pdf in another window PDF for Combustion Variability Monitoring in Engines Using High-Speed Exhaust Temperature and Pressure Measurements
Topics: Combustion, Cycles, Engines, Exhaust systems, Pressure, Temperature, Cylinders
Journal Articles

Development of a New Loss Model for Turbomachinery Labyrinth Seals

Davendu Kulkarni, Luca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061016.
Paper No: GTP-22-1530
DOI: https://doi.org/10.1115/1.4056315
Published Online: February 6, 2023
View Article titled, Development of a New Loss Model for Turbomachinery Labyrinth Seals
Click here to open pdf in another window PDF for Development of a New Loss Model for Turbomachinery Labyrinth Seals
Topics: Flow (Dynamics), Pressure
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061015.
Paper No: GTP-22-1486
DOI: https://doi.org/10.1115/1.4056428
Published Online: February 6, 2023
View Article titled, Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles
Click here to open pdf in another window PDF for Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles
Topics: Diffusers, Exhaust systems, Pressure, Struts (Engineering)
Journal Articles

Stability Characteristics of an Actively Valved Resonant Pulse Combustor

Xuren Zhu, Joel C. Lisanti, Thibault F. Guiberti, William L. Roberts
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061011.
Paper No: GTP-22-1160
DOI: https://doi.org/10.1115/1.4056456
Published Online: January 17, 2023
View Article titled, Stability Characteristics of an Actively Valved Resonant Pulse Combustor
Click here to open pdf in another window PDF for Stability Characteristics of an Actively Valved Resonant Pulse Combustor
Topics: Combustion, Combustion chambers, Fuels, Pressure, Resonance, Signals, Stability, Valves, Oscillations
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061007.
Paper No: GTP-22-1518
DOI: https://doi.org/10.1115/1.4056045
Published Online: January 13, 2023
View Article titled, Power and Hydrogen Co-Production in Flexible “Powdrogen” Plants
Click here to open pdf in another window PDF for Power and Hydrogen Co-Production in Flexible “Powdrogen” Plants
Topics: Hydrogen, Natural gas, Steam, Carbon dioxide, Combined cycles, Pressure, Syngas, Carbon capture and storage, Cycles, Stress
Journal Articles

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

Zhi Fang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.
Paper No: GTP-22-1241
DOI: https://doi.org/10.1115/1.4056310
Published Online: January 13, 2023
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
Click here to open pdf in another window PDF for Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061001.
Paper No: GTP-22-1109
DOI: https://doi.org/10.1115/1.4056288
Published Online: January 13, 2023
View Article titled, Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine
Click here to open pdf in another window PDF for Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine
Topics: Combustion, Diesel, Emissions, Engines, Natural gas, Cylinders, Pressure, Temperature, Computer simulation, Fuels
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061002.
Paper No: GTP-22-1202
DOI: https://doi.org/10.1115/1.4056307
Published Online: January 13, 2023
View Article titled, Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation
Click here to open pdf in another window PDF for Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation
Topics: Computer simulation, Cycles, Ejectors, Engines, Flow (Dynamics), Pressure, Valves, Design
Journal Articles

Direct Numerical Simulation of Partial Fuel Stratification Assisted Lean Premixed Combustion for Assessment of Hybrid G-Equation/Well-Stirred Reactor Model

Chao Xu, Muhsin Ameen, Pinaki Pal, Sibendu Som
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051018.
Paper No: GTP-22-1425
DOI: https://doi.org/10.1115/1.4055873
Published Online: January 10, 2023
View Article titled, Direct Numerical Simulation of Partial Fuel Stratification Assisted Lean Premixed Combustion for Assessment of Hybrid G-Equation/Well-Stirred Reactor Model
Click here to open pdf in another window PDF for Direct Numerical Simulation of Partial Fuel Stratification Assisted Lean Premixed Combustion for Assessment of Hybrid G-Equation/Well-Stirred Reactor Model
Topics: Combustion, Engines, Flames, Fuels, Computer simulation, Pyrolysis, Displacement, Modeling, Temperature, Pressure