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Modeling and Estimation of Long Route EGR Mass Flow in a Turbocharged Gasoline Engine
Linköping University, Department of Electrical Engineering, Vehicular Systems.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Due to the continuous work in the automobile industry to reduce the environmental impact, reduce fuel consumption and increase efficiency, new technologies need to be developed and implemented in vehicles. For spark ignited engines, one technology that has received more attention in recent years is long route Exhaust Gas Recirculation (EGR), which means that exhaust gases after the turbine are transported back to the volume before the compressor in the air intake system of the engine. In this work, the components of the long route EGR system is modeled with mean value engine models in Simulink, and implemented in a existing Simulink engine model. Then different methods for estimating the mass flow over the long route EGR system are compared, and the transport delays for the recirculated exhaust gases in the engines air intake system are modeled. This work is based on measurements done on an engine rig, on which a long route EGR system was installed. Finally, some ideas on how a long route EGR system on a gasoline engine can be controlled are presented based on the results in this thesis work.

Place, publisher, year, edition, pages
2016. , 58 p.
Keyword [en]
Long Route Low Pressure LR LP EGR SI Gasoline Spark Ignited Engines Modeling Modelling Mass Flow Estimation
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-131102ISRN: LiTH-ISY-EX--16/4985--SEOAI: oai:DiVA.org:liu-131102DiVA: diva2:967501
External cooperation
Volvo Car Corporation
Subject / course
Vehicular Systems
Presentation
2016-08-16, Systemet, B-huset, Campus Valla, Mäster Mattias väg, Linköping, 16:33 (Swedish)
Supervisors
Examiners
Available from: 2016-09-23 Created: 2016-09-08 Last updated: 2016-09-23Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf