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RISControl-Oriented Reduced-Order Modeling of Conversion Efficiency in Dual-Layer Washcoat Catalysts With Accumulation and Oxidation Functions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work proposes a model for predicting conversion efficiency in multifunctional catalysts with dual-layer washcoat. The mass transfer is more relevant in these devices than in single-layer washcoats due to additional ...
Impact of Cylinder-to-Cylinder Dispersion of Exhaust Gas Recirculation on the Three-Way Catalyst Performance and Tailpipe Emissions of Spark-Ignition Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: New generations of spark-ignition engines include exhaust gas recirculation (EGR) to improve the engine efficiency. Depending on the design of the EGR routing, some differences in the total amount of recirculated gases ...
Ammonia Slip Estimation Based on Ammonia Slip Catalyst Control-Oriented Modeling and On-Board Diagnostics NOX Sensor Cross-Sensitivity Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The incoming emission regulations for internal combustion engines are gradually introducing new pollutant species, which require greater complexity of the aftertreatment systems concerning layout, control, and diagnostics. ...
Comparative Analysis of Pre- and Post-Catalyst Exhaust Gas Recirculation Systems for Turbocharged Spark-Ignition Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Low-pressure exhaust gas recirculation (LP-EGR) systems are widely used in current spark-ignition engines due to benefits in knock control, heat transfer losses, and pumping work. Usually, the gases are extracted ...