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Journal Articles

A Variational Autoencoder Model Toward Molecular Structure Representation Learning of Fuels

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Kiran K. Yalamanchi, Pinaki Pal, Balaji Mohan, Abdullah S. AlRamadan, Jihad A. Badra, Yuanjiang Pei
Journal: Journal of Energy Resources Technology, Part A: Sustainable and Renewable Energy
Publisher: ASME
Article Type: Research Papers
J. Energy Res. Technol. Part A. September 2025, 1(5): 052301.
Paper No: JERTA-25-1023
https://doi.org/10.1115/1.4068484
Published Online: May 12, 2025
View Articletitled, A Variational Autoencoder Model Toward Molecular Structure Representation Learning of Fuels
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Proceedings Papers

Development of a Variational Autoencoder Model for Fuel Design

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Kiran K. Yalamanchi, Pinaki Pal, Balaji Mohan, Abdullah S. AlRamadan, Jihad A. Badra, Yuanjiang Pei
Proc. ASME. ICEF2024, ASME 2024 ICE Forward Conference, V001T02A025, October 20–23, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2024-141660
https://doi.org/10.1115/ICEF2024-141660
View Paper titled, Development of a Variational Autoencoder Model for Fuel Design
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Topics: Design, Fuels
Proceedings Papers

Application of Modal Decomposition Techniques to Characterize the Internal Nozzle Flow of a Medium-Duty Diesel Injector Operating With Gasoline-Like Fuels

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Katherine J. Asztalos, Roberto Torelli, Yuanjiang Pei, Yu Zhang, Feng Tao, Rajesh Garg, David Langenderfer, Chi Young Moon, Brandon A. Sforzo, Christopher F. Powell
Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T05A002, October 16–19, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2022-89520
https://doi.org/10.1115/ICEF2022-89520
View Paper titled, Application of Modal Decomposition Techniques to Characterize the Internal Nozzle Flow of a Medium-Duty Diesel Injector Operating With Gasoline-Like Fuels
Open the PDF for Application of Modal Decomposition Techniques to Characterize the Internal Nozzle Flow of a Medium-Duty Diesel Injector Operating With Gasoline-Like Fuels in another window
Topics: Diesel, Ejectors, Flow (Dynamics), Fuels, Gasoline, Nozzles, Geometry, Computational fluid dynamics, Emissions, Needles
Journal Articles

X-Ray Characterization of Real Fuel Sprays for Gasoline Direct Injection

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Brandon A. Sforzo, Aniket Tekawade, Alan L. Kastengren, Kamel Fezzaa, Jan Ilavsky, Christopher F. Powell, Yuanjiang Pei, Anqi Zhang, Robert Levy
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. February 2022, 144(2): 022303.
Paper No: JERT-21-1244
https://doi.org/10.1115/1.4050979
Published Online: May 19, 2021
View Articletitled, X-Ray Characterization of Real Fuel Sprays for Gasoline Direct Injection
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Topics: Fuels, Sprays, X-rays, Ejectors, Gasoline, Geometry
Journal Articles

Piston Bowl Geometry Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine

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Meng Tang, Yuanjiang Pei, Hengjie Guo, Yu Zhang, Roberto Torelli, Daniel Probst, Carsten Fütterer, Michael Traver
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 2021, 143(6): 062309.
Paper No: JERT-21-1165
https://doi.org/10.1115/1.4050419
Published Online: April 2, 2021
View Articletitled, Piston Bowl Geometry Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine
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Topics: Combustion, Design, Emissions, Engines, Fuels, Geometry, Ignition, Stress, Gasoline, Experimental design
Proceedings Papers

X-Ray Characterization of Real Fuel Sprays for Gasoline Direct Injection

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Brandon A. Sforzo, Aniket Tekawade, Alan L. Kastengren, Kamel Fezzaa, Jan Ilavsky, Christopher F. Powell, Yuanjiang Pei, Anqi Zhang, Robert Levy
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T05A006, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-2974
https://doi.org/10.1115/ICEF2020-2974
View Paper titled, X-Ray Characterization of Real Fuel Sprays for Gasoline Direct Injection
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Topics: Fuels, Gasoline, Sprays, X-rays, Ejectors, Nozzles, Resolution (Optics), Geometry, Dimensions, Drops
Proceedings Papers

Comparison Between a Center-Mounted and a Side-Mounted Injector for Gasoline Applications: A Computational Study

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Lorenzo Nocivelli, Anqi Zhang, Brandon A. Sforzo, Aniket Tekawade, Alexander K. Voice, Meng Tang, Christopher F. Powell, Sibendu Som, Yuanjiang Pei, Robert S. Levy
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T05A007, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-2991
https://doi.org/10.1115/ICEF2020-2991
View Paper titled, Comparison Between a Center-Mounted and a Side-Mounted Injector for Gasoline Applications: A Computational Study
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Topics: Ejectors, Gasoline, Plumes (Fluid dynamics), Computational fluid dynamics, Sprays, Density, Engines, Fuels, Nozzles, Pressure
Proceedings Papers

Impact of Geometric Compression Ratio and Variable Valve Actuation on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine

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Yu Zhang, Praveen Kumar, Meng Tang, Yuanjiang Pei, Brock Merritt, Michael Traver, Sriram Popuri
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T03A016, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-3035
https://doi.org/10.1115/ICEF2020-3035
View Paper titled, Impact of Geometric Compression Ratio and Variable Valve Actuation on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine
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Topics: Combustion, Compression, Computational fluid dynamics, Diesel engines, Gasoline, Ignition, Valves
Proceedings Papers

Numerical Evaluation of Spray-Guided Glow Plug Assistance on Gasoline Compression Ignition During Cold Idle Operation in a Heavy-Duty Diesel Engine

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Le Zhao, Yuanjiang Pei, Yu Zhang, Praveen Kumar, Tom Tzanetakis, Michael Traver, Muhsin Ameen
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T06A010, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-2959
https://doi.org/10.1115/ICEF2020-2959
View Paper titled, Numerical Evaluation of Spray-Guided Glow Plug Assistance on Gasoline Compression Ignition During Cold Idle Operation in a Heavy-Duty Diesel Engine
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Topics: Compression, Computational fluid dynamics, Diesel engines, Gasoline, Ignition, Luminescence, Sprays
Proceedings Papers

Cavitation-Suppressing Orifice Design Applied to a Heavy-Duty Diesel Engine Injector Operating With Gasoline

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Roberto Torelli, Yuanjiang Pei, Yu Zhang, Michael Traver, Sibendu Som
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T05A008, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-2994
https://doi.org/10.1115/ICEF2020-2994
View Paper titled, Cavitation-Suppressing Orifice Design Applied to a Heavy-Duty Diesel Engine Injector Operating With Gasoline
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Topics: Cavitation, Compression, Design, Diesel engines, Ejectors, Gasoline, Ignition
Proceedings Papers

Piston Bowl Geometry Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine

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Meng Tang, Yuanjiang Pei, Hengjie Guo, Yu Zhang, Roberto Torelli, Daniel Probst, Carsten Fütterer, Michael Traver
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T06A011, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-2990
https://doi.org/10.1115/ICEF2020-2990
View Paper titled, Piston Bowl Geometry Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine
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Topics: Compression, Computational fluid dynamics, Design, Diesel engines, Experimental design, Gasoline, Geometry, Ignition, Optimization, Pistons
Proceedings Papers

Numerical Investigation of Pre-Chamber Jet Combustion in a Light-Duty Gasoline Engine

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Anqi Zhang, Xin Yu, Nayan Engineer, Yu Zhang, Yuanjiang Pei
Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T06A013, November 4–6, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2020-2997
https://doi.org/10.1115/ICEF2020-2997
View Paper titled, Numerical Investigation of Pre-Chamber Jet Combustion in a Light-Duty Gasoline Engine
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Topics: Combustion, Gasoline engines, Engines, Ignition, Computational fluid dynamics, Cycles, Flow (Dynamics), Fuels, Modeling, Nozzles
Journal Articles

Engine Combustion System Optimization Using Computational Fluid Dynamics and Machine Learning: A Methodological Approach

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Jihad A. Badra, Fethi Khaled, Meng Tang, Yuanjiang Pei, Janardhan Kodavasal, Pinaki Pal, Opeoluwa Owoyele, Carsten Fuetterer, Brenner Mattia, Farooq Aamir
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. February 2021, 143(2): 022306.
Paper No: JERT-20-1594
https://doi.org/10.1115/1.4047978
Published Online: August 27, 2020
View Articletitled, Engine Combustion System Optimization Using Computational Fluid Dynamics and Machine Learning: A Methodological Approach
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Topics: Algorithms, Computational fluid dynamics, Design, Engines, Machine learning, Optimization, Pistons, Machinery, Robustness, Internal combustion engines
Proceedings Papers

Engine Combustion System Optimization Using CFD and Machine Learning: A Methodological Approach

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Jihad Badra, Fethi Khaled, Meng Tang, Yuanjiang Pei, Janardhan Kodavasal, Pinaki Pal, Opeoluwa Owoyele, Carsten Fuetterer, Mattia Brenner, Aamir Farooq
Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T06A007, October 20–23, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2019-7238
https://doi.org/10.1115/ICEF2019-7238
View Paper titled, Engine Combustion System Optimization Using CFD and Machine Learning: A Methodological Approach
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Topics: Combustion systems, Computational fluid dynamics, Engines, Machine learning, Optimization, Pistons
Proceedings Papers

A Computational Investigation of Piston Bowl Geometry and Injector Spray Pattern Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine

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Yu Zhang, Yuanjiang Pei, Meng Tang, Michael Traver
Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T03A004, October 20–23, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2019-7155
https://doi.org/10.1115/ICEF2019-7155
View Paper titled, A Computational Investigation of Piston Bowl Geometry and Injector Spray Pattern Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine
Open the PDF for A Computational Investigation of Piston Bowl Geometry and Injector Spray Pattern Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine in another window
Topics: Compression, Diesel engines, Ejectors, Gasoline, Geometry, Ignition, Pistons, Sprays, Design, Computational fluid dynamics
Proceedings Papers

Effect of Fuel Chemical and Physical Properties on Spray and Ignition Characteristics Under Heavy-Duty Diesel Engine Conditions

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Meng Tang, Yuanjiang Pei, Yu Zhang, Michael Traver, Jeffrey Naber
Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T02A013, October 20–23, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2019-7266
https://doi.org/10.1115/ICEF2019-7266
View Paper titled, Effect of Fuel Chemical and Physical Properties on Spray and Ignition Characteristics Under Heavy-Duty Diesel Engine Conditions
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Topics: Diesel engines, Fuels, Ignition, Sprays, Chemical properties, Combustion, Diesel, Gasoline, Exhaust gas recirculation, Combustion chambers
Journal Articles

Evaluating Optimization Strategies for Engine Simulations Using Machine Learning Emulators

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Daniel M. Probst, Mandhapati Raju, Peter K. Senecal, Janardhan Kodavasal, Pinaki Pal, Sibendu Som, Ahmed A. Moiz, Yuanjiang Pei
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2019, 141(9): 091011.
Paper No: GTP-19-1208
https://doi.org/10.1115/1.4043964
Published Online: June 20, 2019
View Articletitled, Evaluating Optimization Strategies for Engine Simulations Using Machine Learning Emulators
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Topics: Algorithms, Engines, Optimization, Simulation, Machine learning
Proceedings Papers

Evaluating Optimization Strategies for Engine Simulations Using Machine Learning Emulators

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Daniel M. Probst, Mandhapati Raju, Peter K. Senecal, Janardhan Kodavasal, Pinaki Pal, Sibendu Som, Ahmed A. Moiz, Yuanjiang Pei
Proc. ASME. ICEF2018, Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, V002T06A023, November 4–7, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2018-9726
https://doi.org/10.1115/ICEF2018-9726
View Paper titled, Evaluating Optimization Strategies for Engine Simulations Using Machine Learning Emulators
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Topics: Engineering simulation, Engines, Machine learning, Optimization, Simulation, Computational fluid dynamics, Algorithms, Clocks, Optimization algorithms, Particle swarm optimization
Proceedings Papers

Numerical Investigation of Fuel Effects on Soot Emissions at Heavy-Duty Diesel Engine Conditions

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Meng Tang, Yuanjiang Pei, Yu Zhang, Michael Traver, David Cleary, Zhaoyu Luo, Jeffrey Naber, Seong-Young Lee
Proc. ASME. ICEF2018, Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, V002T06A019, November 4–7, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2018-9696
https://doi.org/10.1115/ICEF2018-9696
View Paper titled, Numerical Investigation of Fuel Effects on Soot Emissions at Heavy-Duty Diesel Engine Conditions
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Topics: Diesel engines, Emissions, Fuels, Soot, Simulation, Computational fluid dynamics, Engineering simulation, Turbulence, Gasoline, Combustion
eBook Chapter

In-Nozzle Cavitation-Induced Orifice-to-Orifice Variations Using Real Injector Geometry and Gasoline-Like Fuels

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Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
https://doi.org/10.1115/1.861851_ch107
ISBN: 9780791861851
Open the PDF for In-Nozzle Cavitation-Induced Orifice-to-Orifice Variations Using Real Injector Geometry and Gasoline-Like Fuels in another window
Topics: Cavitation, Ejectors, Fuels, Gasoline, Geometry, Nozzles