Applied Thermal Engineering 102 (2016) 383–390 Contents lists available at ScienceDirect Applied Thermal Engineering journal homepage: www.elsevier.com/locate/apthermeng Research Paper Numerical analysis of a downsized spark-ignition engine fueled by butanol/gasoline blends at part-load operation F. Scala , E. Galloni, G. Fontana DICeM, University of Cassino and Southern Latium, Italy highl i ghts graphical a bstrac t Bio-fuels will reduce the overall CO emission. The properties of butanol/gasoline–air mixtures have been determined. A 1-D model of a SI engine has been calibrated and validated. The butanol content reduces the combustion duration. The optimal ignition timing slightly changes. article i nfo abstract Article history: In this paper, the performance of a turbocharged SI engine, ﬁring with butanol/gasoline blends, has been Received 17 November 2015 investigated by means of numerical simulations of the engine behavior. When engine fueling is switched Accepted 17 March 2016 from gasoline to alcohol/gasoline mixture, engine control parameters must be adapted. The main neces- Available online 1 April 2016 sary modiﬁcations in the Electronic Control Unit have been highlighted in the paper. Numerical analyses have been carried out at partial load operation and at two different engine speeds Keywords: (3000 and 4000 rpm). Several n-butanol/gasoline mixtures, differing for the
Applied Thermal Engineering – Elsevier
Published: Jun 5, 2016
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