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RISInvestigation 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
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The conversion of existing heavy-duty diesel engines to lean natural-gas (NG) spark ignition can be achieved by replacing the diesel injector with a spark plug and fumigating the NG into the intake manifold. While the ...
An Experimental Investigation of Early Flame Development in an Optical Spark Ignition Engine Fueled With Natural Gas
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Improved internal combustion engine simulations of natural gas (NG) combustion under conventional and advanced combustion strategies have the potential to increase the use of NG in the transportation sector in the U.S. ...
Comparison of Random Forest and Neural Network in Modeling the Performance and Emissions of a Natural Gas Spark Ignition Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Machine learning (ML) models can accelerate the development of efficient internal combustion engines. This study assessed the feasibility of data-driven methods toward predicting the performance of a diesel engine modified ...
Effect of Blending Ammonia With Natural Gas Hydrocarbons on the Performance of a Heavy-Duty Spark Ignition Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ammonia (NH3) is a promising carbon-free fuel candidate to replace conventional petroleum-based fuels. However, NH3 has low flame speed, low calorific value, narrow flammability limits, and requires high ignition energy. ...
A Comparison of Methyl Decanoate and Tripropylene Glycol Monomethyl Ether for Soot-Free Combustion in an Optical Direct-Injection Diesel Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Oxygenated fuels have beneficial effects for leaner lifted-flame combustion (LLFC), a nonsooting mode of mixing-controlled combustion associated with lift-off length equivalence ratios below approximately 2. A single-cylinder ...