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RISInvestigation of Cold Starting and Combustion Mode Switching as Methods to Improve Low Load RCCI Operation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Reactivity controlled compression ignition (RCCI) is an engine combustion strategy that utilizes incylinder fuel blending to produce low NOx and particulate matter (PM) emissions while maintaining high thermal efficiency. ...
Effects of Exhaust Gas Recirculation and Boost Pressure on Reactivity Controlled Compression Ignition Engine at High Load Operating Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Reactivity controlled compression ignition (RCCI) at engine high load operating conditions is investigated in this study. The effects of exhaust gas recirculation (EGR) and boost pressure on RCCI combustion were studied ...
Investigating Fuel Condensation Processes in Low Temperature Combustion Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Condensation of gaseous fuel is investigated in a low temperature combustion (LTC) engine fueled with double directinjected diesel and premixed gasoline at two load conditions. Possible condensation is examined by considering ...
High Load (21 Bar IMEP) Dual Fuel RCCI Combustion Using Dual Direct Injection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dualfuel reactivity controlled compression ignition (RCCI) combustion has shown high thermal efficiency and superior controllability with low NOx and soot emissions. However, as in other low temperature combustion (LTC) ...
Investigation of Combustion Phasing Control Strategy During Reactivity Controlled Compression Ignition (RCCI) Multicylinder Engine Load Transitions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dual fuel reactivity controlled compression ignition (RCCI) concept has been successfully demonstrated to be a promising, more controllable, high efficiency, and cleaner combustion mode. A multidimensional computational ...
Improving the Efficiency of Low Temperature Combustion Engines Using a Chamfered Ring Land
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present study, a chamfered piston crown design was used in order to reduce unburned hydrocarbon (UHC) emissions from the ringpack crevice. Compared to the conventional piston design, the chamfered piston showed ...
Transient “Single-Fuel” RCCI Operation With Customized Pistons in a Light-Duty Multicylinder Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Reactivity controlled compression ignition (RCCI) combustion in a light-duty multicylinder engine (MCE) over transient operating conditions using fast response exhaust unburned hydrocarbon (UHC1), nitric oxide (NO), and ...
Computationally Efficient Simulation of Multicomponent Fuel Combustion Using a Sparse Analytical Jacobian Chemistry Solver and High Dimensional Clustering
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The need for more efficient and environmentally sustainable internal combustion engines is driving research towards the need to consider more realistic models for both fuel physics and chemistry. As far as compression ...
Natural Gas for High Load Dual Fuel Reactivity Controlled Compression Ignition in Heavy Duty Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Reactivity controlled compression ignition (RCCI) has been shown to be capable of providing improved engine efficiencies coupled with the benefit of low emissions via incylinder fuel blending. Much of the previous body of ...