Abstract: The past twenty years has seen an explosion in our knowledge of engine processes, steadily improving engine power density and efficiency, major reductions in exhaust emissions, and a substantial ...

Abstract: The diesel combustion process in direct-injection diesel engines consists of four distinct stages: an ignition delay, a premixed phase, a mixing-controlled phase, and a late combustion phase. ...

Abstract: A ring-dynamics and gas-flow model has been developed to study ring/groove contact, blowby, and the influence of ring static twist, keystone ring/groove configurations, and other piston and ring ...