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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/8724

Title: The mechanism of an engine hybrid combustion concept with controlled auto ignition and spark ignition
Authors: Chen, Rui
Turner, J.W.G.
Blundell, D.
Issue Date: 2003
Publisher: Global Powertrain Congress
Citation: CHEN, R., TURNER, J. and BLUNDELL, D. 2003. The mechanism of an engine hybrid combustion concept with controlled auto ignition and spark ignition. IN: Roessler, D. (ed.). Proceedings of the 2003 Global Powertrain Congress, Ann Arbor, USA, 23rd – 25th September.
Abstract: Controlled Auto Ignition (CAI) uses the internal energy of the compressed charge to auto-ignite the mixture. Using internal exhaust gas re-circulation (IEGR) as an indirect control method, CAI offers superior fuel economy and pollutant emission reductions. Practically, this can readily be achieved by a method of early exhaust valve closure and late inlet valve opening to trap a large quantity of exhaust gas residuals within the cylinder from one cycle to the next. Although the emission and fuel economy can be largely improved, the engine power output is limited to part-load conditions only. At high-load, conventional Spark Ignition (SI) is required. In this research, both SI and CAI and the transition between the two were investigated on a single-cylinder research engine equipped with Lotus’ Research Active Valve Train (AVT) System. It was found that the potential hybrid combustion concept is consisted of four regions: conventional spark ignition combustion, spark ignition controlled auto ignition, spark ignition assisted auto ignition, spark ignition free controlled auto ignition.
Description: This conference paper is Closed access.
Version: Closed access
URI: https://dspace.lboro.ac.uk/2134/8724
Publisher Link: http://www.gpc-icpem.org/
Appears in Collections:Closed Access (Aeronautical and Automotive Engineering)

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