Topic
Spark-ignition engine
About: Spark-ignition engine is a research topic. Over the lifetime, 4352 publications have been published within this topic receiving 66550 citations.
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TL;DR: In this article, a model was developed to describe the vaporization of well-mixed wall films of multi-component engine fuels based on continuous thermodynamics and applied to describing multi component fuel.
Abstract: Models were developed to describe the vaporization of well-mixed wall films of multi-component engine fuels based on continuous thermodynamics and applied to describing multi-component fuel...
32 citations
32 citations
TL;DR: In this paper, the effects of different iso-propanol percentages, loads and exhaust gas recirculation rates on emissions were analyzed, including gaseous emissions (HC, CO, NOx) and particulate matter emission in terms of number and size distributions.
Abstract: Experiments were carried out in a spark-ignition engine fueled with
iso-propanol/gasoline blends. Emission characteristics of this engine were
investigated experimentally, including gaseous emissions (HC, CO, NOx) and
particulate matter emission in term of number and size distributions. The
effects of different iso-propanol percentages, loads and exhaust gas
recirculation rates on emissions were analyzed. Results show that the
introduction of exhaust gas recirculation reduces the NOx emission and NOx
emission gives the highest value at full load condition. HC and CO emissions
present inconspicuous variations at all the loads except the load of 10%.
Additionally, HC emission shows a sharp increase for pure propanol when the
exhaust gas recirculation rate is up to 5%, while little variation is
observed at lager exhaust gas recirculation rates. Moreover, the particulate
matter number concentration increases monotonically with the increase of load
and the decrease of exhaust gas recirculation rate. There exists a critical
spark timing that produces the highest particulate matter number
concentration at all the blending ratios.
32 citations
TL;DR: In this paper, a four stroke, variable speed, single cylinder, variable compression ratio (VCR) SI engine is operated with raw biogas at wide open throttle (WOT) condition and at five different CRs ranging from CR 10 to CR 14 over the operating speed range of the engine.
32 citations
TL;DR: In this paper, the effects of injection timing and compression ratio on the combustion characteristics and emissions of a two-stroke engine fuelled with aviation kerosene rocket propellant 3 (RP-3) are investigated.
32 citations