Direct injection system for a two stroke engine

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dc.contributor.authorTrejo, Jose Rodolfo I. Cervantes
dc.contributor.departmentChalmers tekniska högskola / Institutionen för tillämpad mekaniksv
dc.contributor.departmentChalmers University of Technology / Department of Applied Mechanicsen
dc.date.accessioned2019-07-03T12:43:13Z
dc.date.available2019-07-03T12:43:13Z
dc.date.issued2011
dc.description.abstractDirect injection is becoming an important option to further optimize internal combustion engines. In the case of two stroke engines, the opportunity of dramatically reducing the HC emissions by almost eliminating short circuit while scavenging, makes this system even more attractive. For small two stroke engines, like the ones used to power chain saw tools, the need of a high pressure fuel pump (its size and electricity needs) makes that the use of direct injection becomes not feasible. By using a self pressurized (boosted) direct injector, the opportunity of using direct injection opens for these small engines since a high pressure pump is not needed. The Evinrude E-TEC™ outboard engine uses a direct injection system which makes use of this kind of injectors. The Evinrude E-TEC™ outboard engine is analyzed in a test rig to find out the characteristics of the injector and the combustion modes the engine runs at different speeds and loads. The emissions of the engine are measured, along with the power, speed, combustion chamber pressure trace, bsfc, and voltage and current developed by the injector.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/149154
dc.language.isoeng
dc.relation.ispartofseriesDiploma work - Department of Applied Mechanics, Chalmers University of Technology, Göteborg, Sweden : 2011:42
dc.setspec.uppsokTechnology
dc.subjectEnergi
dc.subjectTransport
dc.subjectHållbar utveckling
dc.subjectStrömningsmekanik
dc.subjectÖvrig teknisk mekanik
dc.subjectEnergy
dc.subjectTransport
dc.subjectSustainable Development
dc.subjectFluid mechanics
dc.subjectOther engineering mechanics
dc.titleDirect injection system for a two stroke engine
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
dc.type.uppsokH
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