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RISLimitations of Natural Gas Lean Burn Spark Ignition Engines Derived From Compression Ignition Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Converting existing diesel engines to the spark ignition (SI) operation can increase the utilization of natural gas (NG) in heavy-duty applications, which can reduce oil imports in the US and curtail greenhouse-gas emissions. ...
Improved Thermodynamic Model for Lean Natural Gas Spark Ignition in a Diesel Engine Using a Triple Wiebe Function
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The use of natural gas (NG) in heavy-duty internal combustion engines can reduce the dependence on petroleum fuels and greenhouse gas emissions. Diesel engines can convert to NG spark ignition (SI) by installing a high-energy ...
Lean-Burn Characteristics of a Heavy-Duty Diesel Engine Retrofitted to Natural-Gas Spark Ignition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Increased utilization of natural gas (NG) in the transportation sector can decrease the use of petroleum-based fuels and reduced greenhouse gas emissions. Heavy-duty diesel engines retrofitted to NG spark ignition (SI) can ...
Numerical Simulation of Re-Entrant Bowl Effects on Natural-Gas Spark-Ignition Operation
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Heavy-duty compression–ignition (CI) engines converted to natural gas (NG) spark ignition (SI) operation have the potential to increase the use of NG in the transportation sector. A three-dimensional (3D) numerical simulation ...
Characterizing Two-Stage Combustion Process in a Natural Gas Spark Ignition Engine Based on Multi-Wiebe Function Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Wiebe function is a simple and cost-effective analytical approach to approximate the burn rates in internal combustion (IC) engines. Previous studies indicated that a double-Wiebe function model can better describe the ...
Numerical Investigation of a Heavy-Duty Compression Ignition Engine Converted to Ammonia Spark-Ignition Operation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Global decarbonization requires the increased use of zero-carbon fuels. Compared to hydrogen, ammonia is easier to store, transport, and produce. In addition, products of complete combustion of ammonia are water and nitrogen. ...
Experimental Investigation of a Heavy-Duty Compression-Ignition Engine Retrofitted to Natural Gas Spark-Ignition Operation
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Heavy-duty compression-ignition (CI) engines converted to natural gas (NG) operation can reduce the dependence on petroleum-based fuels and curtail greenhouse gas emissions. Such an engine was converted to premixed NG ...
Optical and Numerical Investigation of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine With a BowlinPiston Chamber
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Increasing the natural gas (NG) use in heavyduty engines is beneficial for reducing greenhousegas emissions from power generation and transportation. However, converting compression ignition (CI) engines to NG spark ignition ...
Effect of Piston Crevices on the Numerical Simulation of a Heavy-Duty Diesel Engine Retrofitted to Natural-Gas Spark-Ignition Operation
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Three-dimensional computational fluid dynamics internal combustion engine simulations that use a simplified combustion model based on the flamelet concept provide acceptable results with minimum computational costs and ...