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Proceedings Papers

Numerical Investigation of a Heavy Duty Compression Ignition Engine Converted to Ammonia Spark Ignition Operation

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T02A001, October 16–19, 2022

Paper No: ICEF2022-88071

DOI: https://doi.org/10.1115/ICEF2022-88071

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Topics: Diesel engines, Ignition, Combustion, Fuels, Emissions, Energy generation, Engines, Flames, Nitrogen oxides, Hydrogen

Journal Articles

Comparison of Random Forest and Neural Network in Modeling the Performance and Emissions of a Natural Gas Spark Ignition Engine

Jinlong Liu, Qiao Huang, Christopher Ulishney, Cosmin E. Dumitrescu

J. Energy Resour. Technol. March 2022, 144(3): 032310.

Paper No: JERT-21-1797

DOI: https://doi.org/10.1115/1.4053301

Published Online: January 7, 2022

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Topics: Artificial neural networks, Emissions, Engines, Errors, Machine learning, Natural gas, Algorithms, Combustion, Modeling, Cylinders

Proceedings Papers

Optical and Numerical Investigations of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. ICEF2021, ASME 2021 Internal Combustion Engine Division Fall Technical Conference, V001T01A003, October 13–15, 2021

Paper No: ICEF2021-67489

DOI: https://doi.org/10.1115/ICEF2021-67489

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Topics: Flames, Gas engines, Combustion, Engines, Emissions, Methane, Fuels, Ignition, Natural gas, Pistons

Proceedings Papers

Predicting the Combustion Phasing of a Natural Gas Spark Ignition Engine Using the K-Nearest Neighbors Algorithm

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A012, November 16–19, 2020

Paper No: IMECE2020-23982

DOI: https://doi.org/10.1115/IMECE2020-23982

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Topics: Algorithms, Combustion, Natural gas, Spark-ignition engine, Engines, Errors, Pressure, Cylinders, Fuels, Ignition

Proceedings Papers

Prediction of Efficient Operating Conditions Inside a Heavy-Duty Natural Gas Spark Ignition Engine Using Artificial Neural Networks

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A013, November 16–19, 2020

Paper No: IMECE2020-23987

DOI: https://doi.org/10.1115/IMECE2020-23987

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Topics: Artificial neural networks, Natural gas, Spark-ignition engine, Engines, Pressure, Cylinders, Combustion, Design, Optimization, Safety

Proceedings Papers

Lessons From the Conversion of a Heavy-Duty Compression Ignition Engine to Natural Gas Spark Ignition Operation

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A014, November 16–19, 2020

Paper No: IMECE2020-23991

DOI: https://doi.org/10.1115/IMECE2020-23991

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Topics: Diesel engines, Ignition, Natural gas, Engines, Combustion, Emissions, Fuels, Carbon monoxide, Compression, Diesel

Proceedings Papers

Application of Random Forest Machine Learning Models to Forecast Combustion Profile Parameters of a Natural Gas Spark Ignition Engine

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. IMECE2020, Volume 6: Design, Systems, and Complexity, V006T06A003, November 16–19, 2020

Paper No: IMECE2020-23973

DOI: https://doi.org/10.1115/IMECE2020-23973

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Topics: Combustion, Machine learning, Natural gas, Spark-ignition engine, Engines, Algorithms, Cylinders, Dynamometers, Engineering simulation, Errors

Proceedings Papers

Engine Performance and Emissions for a Heavy-Duty Diesel Engine Converted to Stoichiometric Natural Gas Operation

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T03A008, November 4–6, 2020

Paper No: ICEF2020-2964

DOI: https://doi.org/10.1115/ICEF2020-2964

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Topics: Diesel engines, Emissions, Engines, Natural gas, Combustion, Ignition, Diesel, Air pollution control, Carbon monoxide, Catalytic converters

Proceedings Papers

Improving Machine Learning Model Performance in Predicting the Indicated Mean Effective Pressure of a Natural Gas Engine

Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T03A009, November 4–6, 2020

Paper No: ICEF2020-2968

DOI: https://doi.org/10.1115/ICEF2020-2968

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Topics: Gas engines, Machine learning, Pressure, Engines, Algorithms, Boundary-value problems, Combustion, Cylinders, Diesel, Diesel engines

Journal Articles

Investigation of Multistage Combustion Inside a Heavy-Duty Natural-Gas Spark-Ignition Engine Using Three-Dimensional Computational Fluid Dynamics Simulations and the Wiebe-Function Combustion Model

Jinlong Liu, Cosmin E. Dumitrescu

J. Eng. Gas Turbines Power. October 2020, 142(10): 101012.

Paper No: GTP-19-1646

DOI: https://doi.org/10.1115/1.4045869

Published Online: September 29, 2020

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Topics: Combustion, Computational fluid dynamics, Simulation, Heat, Natural gas, Engines, Flames, Cylinders, Spark-ignition engine, Fuels

Proceedings Papers

Conversion of a Heavy-Duty Diesel Engine to Natural-Gas Spark-Ignition Operation: Test Bench Development

Jinlong Liu, Cosmin E. Dumitrescu, Hemanth Bommisetty, Christopher Ulishney

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A013, November 11–14, 2019

Paper No: IMECE2019-10728

DOI: https://doi.org/10.1115/IMECE2019-10728

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Topics: Diesel engines, Ignition, Natural gas, Engines, Pressure, Compression, Cylinders, Emissions, Data acquisition systems, Design

Proceedings Papers

Experimental Setup of Combustion Visualization Inside a Heavy-Duty Diesel Engine Converted to Natural-Gas Spark-Ignition Operation

Vishnu Padmanaban, Jinlong Liu, Cosmin E. Dumitrescu

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A014, November 11–14, 2019

Paper No: IMECE2019-10735

DOI: https://doi.org/10.1115/IMECE2019-10735

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Topics: Combustion, Diesel engines, Ignition, Natural gas, Visualization, Flames, Cylinders, Diesel, Engines, Fuels

Proceedings Papers

An Experimental Study of the Combustion Process in a Natural-Gas Spark-Ignition Engine

Jinlong Liu, Cosmin E. Dumitrescu, Hemanth Bommisetty

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A025, November 11–14, 2019

Paper No: IMECE2019-11637

DOI: https://doi.org/10.1115/IMECE2019-11637

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Topics: Combustion, Natural gas, Spark-ignition engine, Engines, Ignition, Fuels, Pistons, Compression, Diesel, Diesel engines

Proceedings Papers

Development of the Control and Acquisition System for a Natural-Gas Spark-Ignition Engine Test Bench

Lorenzo Gasbarro, Jinlong Liu, Christopher Ulishney, Cosmin E. Dumitrescu, Luca Ambrogi, Michele Battistoni

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A074, November 11–14, 2019

Paper No: IMECE2019-11485

DOI: https://doi.org/10.1115/IMECE2019-11485

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Topics: Natural gas, Spark-ignition engine, Engines, Computational fluid dynamics, Control equipment, Data acquisition systems, Design, Dynamometers, Emissions, Internal combustion engines

Proceedings Papers

Observation of Flame Propagation in a Heavy-Duty Natural-Gas Lean Burn Spark-Ignition Engine

Jinlong Liu, Cosmin E. Dumitrescu

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T03A007, October 20–23, 2019

Paper No: ICEF2019-7184

DOI: https://doi.org/10.1115/ICEF2019-7184

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Topics: Flames, Natural gas, Spark-ignition engine, Engines, Combustion, Turbulence, Diesel engines, Carbon, Combustion chambers, Compression

Proceedings Papers

Two-Stage Lean-Burn Combustion Inside a Natural-Gas Spark-Ignition Engine With a Bowl-in-Piston Chamber

Jinlong Liu, Cosmin E. Dumitrescu

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T02A008, October 20–23, 2019

Paper No: ICEF2019-7181

DOI: https://doi.org/10.1115/ICEF2019-7181

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Topics: Combustion, Natural gas, Pistons, Spark-ignition engine, Combustion chambers, Emissions, Carbon, Diesel, Diesel engines, Ejectors

Proceedings Papers

Twin-Peak Heat Release Phenomenon Inside a Heavy-Duty Diesel Engine Retrofitted to Natural-Gas Spark Ignition

Jinlong Liu, Cosmin E. Dumitrescu, Christopher Ulishney

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T02A009, October 20–23, 2019

Paper No: ICEF2019-7182

DOI: https://doi.org/10.1115/ICEF2019-7182

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Topics: Diesel engines, Heat, Ignition, Natural gas, Combustion, Cycles, Flames, Compression, Computational fluid dynamics, Diesel

Proceedings Papers

Effect of Piston Crevices on 3D Simulation of a Heavy-Duty Diesel Engine Retrofitted to Natural Gas Spark Ignition

Iolanda Stocchi, Jinlong Liu, Cosmin E. Dumitrescu, Michele Battistoni, Carlo Nazareno Grimaldi

Proc. ASME. IMECE2018, Volume 6A: Energy, V06AT08A020, November 9–15, 2018

Paper No: IMECE2018-87783

DOI: https://doi.org/10.1115/IMECE2018-87783

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Topics: Diesel engines, Ignition, Natural gas, Pistons, Simulation, Combustion, Internal combustion engines, Valves, Clearances (Engineering), Combustion chambers

Proceedings Papers

Lean-Burn Characteristics of a Heavy-Duty Diesel Engine Retrofitted to Natural Gas Spark Ignition

Jinlong Liu, Cosmin E. Dumitrescu

Proc. ASME. IMECE2018, Volume 6A: Energy, V06AT08A019, November 9–15, 2018

Paper No: IMECE2018-87761

DOI: https://doi.org/10.1115/IMECE2018-87761

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Topics: Diesel engines, Ignition, Natural gas, Combustion, Flames, Combustion chambers, Emissions, Engines, Computer simulation, Diesel

Proceedings Papers

Numerical Simulation of Re-Entrant Bowl Effects on Natural Gas SI Operation

Jinlong Liu, Cosmin E. Dumitrescu

Proc. ASME. ICEF2018, Volume 1: Large Bore Engines; Fuels; Advanced Combustion, V001T03A009, November 4–7, 2018

Paper No: ICEF2018-9609

DOI: https://doi.org/10.1115/ICEF2018-9609

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Topics: Computer simulation, Natural gas, Combustion, Combustion chambers, Compression, Diesel engines, Ejectors, Emissions, Engines, Flames

Journal citation

NARROW

Numerical Investigation of a Heavy Duty Compression Ignition Engine Converted to Ammonia Spark Ignition Operation

Comparison of Random Forest and Neural Network in Modeling the Performance and Emissions of a Natural Gas Spark Ignition Engine

Optical and Numerical Investigations of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine

Predicting the Combustion Phasing of a Natural Gas Spark Ignition Engine Using the K-Nearest Neighbors Algorithm

Prediction of Efficient Operating Conditions Inside a Heavy-Duty Natural Gas Spark Ignition Engine Using Artificial Neural Networks

Lessons From the Conversion of a Heavy-Duty Compression Ignition Engine to Natural Gas Spark Ignition Operation

Application of Random Forest Machine Learning Models to Forecast Combustion Profile Parameters of a Natural Gas Spark Ignition Engine

Engine Performance and Emissions for a Heavy-Duty Diesel Engine Converted to Stoichiometric Natural Gas Operation

Improving Machine Learning Model Performance in Predicting the Indicated Mean Effective Pressure of a Natural Gas Engine

Investigation of Multistage Combustion Inside a Heavy-Duty Natural-Gas Spark-Ignition Engine Using Three-Dimensional Computational Fluid Dynamics Simulations and the Wiebe-Function Combustion Model

Conversion of a Heavy-Duty Diesel Engine to Natural-Gas Spark-Ignition Operation: Test Bench Development

Experimental Setup of Combustion Visualization Inside a Heavy-Duty Diesel Engine Converted to Natural-Gas Spark-Ignition Operation

An Experimental Study of the Combustion Process in a Natural-Gas Spark-Ignition Engine

Development of the Control and Acquisition System for a Natural-Gas Spark-Ignition Engine Test Bench

Observation of Flame Propagation in a Heavy-Duty Natural-Gas Lean Burn Spark-Ignition Engine

Two-Stage Lean-Burn Combustion Inside a Natural-Gas Spark-Ignition Engine With a Bowl-in-Piston Chamber

Twin-Peak Heat Release Phenomenon Inside a Heavy-Duty Diesel Engine Retrofitted to Natural-Gas Spark Ignition

Effect of Piston Crevices on 3D Simulation of a Heavy-Duty Diesel Engine Retrofitted to Natural Gas Spark Ignition

Lean-Burn Characteristics of a Heavy-Duty Diesel Engine Retrofitted to Natural Gas Spark Ignition

Numerical Simulation of Re-Entrant Bowl Effects on Natural Gas SI Operation

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