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Decoupled Design of Auxiliary Systems for Internal Combustion Engines
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis investigated if decoupled design of the air intake and exhaust systems for four-stroke internal combustion engines is possible. Using the information found design guidelines were set up for the formula student team ELiTH Racing. The literature study revealed that the systems are not uncoupled, and the inuence of exhaust geometry on air intake behavior needed more thorough investigation. Experiments were designed, using a single cylinder engine with simple intake and exhaust geometries. The tests were attempted, but had to be abandoned due to time constraints. Successful tests would have yielded results in the form of pressure measurements, froma Prandtl-tube, in the air intake, and footage of smoke tests. As a secondary task the potential of computer simulations during the design process was investigated, which yielded a suggestion on how to set up a complete reasonable computational model of the systems. This also resulted in that the design guidelines included how to use computer simulations for the design process. Finally a few ways to expand this work are presented.

Place, publisher, year, edition, pages
Keyword [en]
decoupled, design, four, stroke, engine, exhaust, air, intake
National Category
Fluid Mechanics and Acoustics
URN: urn:nbn:se:liu:diva-123991ISRN: LIU-IEI-TEK-A--15/02410--SEOAI: diva2:894900
Available from: 2016-01-18 Created: 2016-01-16 Last updated: 2016-01-18Bibliographically approved

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