publication . Other literature type . 2014

Analysis of the Impact of Early Exhaust Valve Opening and Cylinder Deactivation on Aftertreatment Thermal Management and Efficiency for Compression Ignition Engines

Roberts, Leighton Edward;
Open Access
  • Published: 01 Oct 2014
  • Publisher: Purdue University
  • Country: United States
In order to meet strict emissions regulations, engine manufacturers have implemented aftertreatment technologies which reduce the tailpipe emissions from diesel engines. The effectiveness of most of these systems is limited when exhaust temperatures are low (usually below 200°C to 250°C). This is a problem for extended low load operation, such as idling and during cold start. Use of variable valve actuation, including early exhaust valve opening (EEVO) and cylinder deactivation (CDA), has been proposed as a means to elevate exhaust temperatures. This thesis discusses a research effort focused on EEVO and CDA as potential enablers of exhaust gas temperature incre...
free text keywords: Applied sciences, Cylinder deactivation, Early exhaust valve opening, Thermal management, Variable valve actuation, Mechanical Engineering
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Other literature type . 2014
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