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RISCharacterization of a Lightly Loaded Underfloor Catalyzed Gasoline Particulate Filter in a Turbocharged Light Duty Truck
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A test program to characterize the benefits and challenges of applying a European series production catalyzed gasoline particulate filter (GPF) to a U.S. Tier 2 turbocharged light duty truck (3.5 L Ecoboost Ford F150) in ...
Three Way Catalyst-Selective Catalytic Reduction Aftertreatment System Evaluation for a Lean Burn Gasoline Engine Operating in Homogenous Charge Compression Ignition, Spark-Assisted Compression Ignition, and Spark-Ignited Combustion Modes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Low temperature and dilute homogenous charge compression ignition (HCCI) and spark-assisted compression ignition (SACI) can improve fuel efficiency and reduce engine-out NOx emissions, especially during lean operation. ...
Effect of Injection Timing on Combustion, NOx, Particulate Matter and Soluble Organic Fraction Composition in a 2 Stroke Tier 0+ Locomotive Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of injection timing on combustion, NOx, PM mass and composition from a 2stroke turbocharged Tier 0+ locomotive diesel engine are investigated in this study. Results provide insight into how injection timing ...
Defeat of the Soot/NOx Trade off Using Biodiesel Ethanol in a Moderate Exhaust Gas Recirculation Premixed Low Temperature Combustion Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The soot/nitric oxides (NOx) tradeoff of diesel, biodiesel, and biodiesel–ethanol in a moderate exhaust gas recirculation (EGR) premixed low temperature combustion (LTC) mode is investigated in this study. Compared to ...
Effect of Ambient Temperature and Humidity on Combustion and Emissions of a Spark-Assisted Compression Ignition Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spark-assisted compression ignition (SACI) offers more practical combustion phasing control and a lower pressure rise rate than homogeneous charge compression ignition (HCCI) combustion and improved thermal efficiency and ...
A Comparison of Valving Strategies Appropriate For Multimode Combustion Within a Downsized Boosted Automotive Engine—Part I: High Load Operation Within the Spark Ignition Combustion Regime
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As future downsized boosted engines may employ multiple combustion modes, the goal of the current work is the definition of valving strategies appropriate for moderate to high load spark ignition (SI) combustion and at low ...
A Comparison of Valving Strategies Appropriate for Multimode Combustion Within a Downsized Boosted Automotive Engine—Part II: Mid Load Operation Within the SACI Combustion Regime
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spark assisted compression ignition (SACI) is a combustion mode that may offer significant efficiency improvements compared to conventional sparkignited combustion systems. Unfortunately, SACI is constrained to a relatively ...
Particulate Matter Emission Comparison of Spark Ignition Direct Injection (SIDI) and Port Fuel Injection (PFI) Operation of a Boosted Gasoline Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spark ignition direct injection (SIDI) gasoline engines, especially in downsized boosted engine platforms, are increasing their market share relative to port fuel injection (PFI) engines in U.S., European and Chinese ...
Lean HCCI/Rich SACI Gasoline Combustion Cycling and Three Way Catalyst for Fuel Efficiency and NOx Reduction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multimode combustion (MMC) concepts using homogeneous charge compression ignition (HCCI) gasoline combustion at low loads and spark assisted compression ignition (SACI) gasoline combustion at medium loads have the potential ...
Effects of a Low Octane Gasoline Blended Fuel on Negative Valve Overlap Enabled HCCI Load Limit, Combustion Phasing and Burn Duration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Homogeneous charge compression iginition (HCCI) combustion allows for the use of fuels with octane requirements below that of sparkignited engines. A reference gasoline was compared with isooctane and a low octane blend ...