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Study of performance and emission characteristics of a partially coated LHR SI engine blended with n-butanol and gasoline
Vellore Institute of Technology, India..
2013 (English)In: Alexandria Engineering Journal, ISSN 1110-0168, Vol. 52, no 3, 285-293 p.Article in journal (Refereed) PublishedText
Abstract [en]

To meet the present requirements of the automotive industry, there is continuous search to improve the performance, exhaust emission, and life of the IC engines. The meet the first two challenges, researchers are working both on newer engine technologies and fuels. Some of the published work indicates that coating on the combustion surface of the engine with ceramic material results in improved performance and reduced emission levels when fueled with alternate fuel blended fuels, and this serves as a base for this work. Normal-Butanol has molecular structure that is adaptable to gasoline, and it is considered as one of the alternative fuels for SI engines. Blending butanol with gasoline changes the properties of the fuel and alters the engine performance and emission characteristics. This is because heat which is released at a rate as a result of combustion of the compressed air–fuel mixture in the combustion chamber gets changed with respect to change fuel properties, air fuel ratio, and engine speed. An experimental investigation is carried out on a partially insulated single cylinder SI engine to study the performance and emission characteristics when fueled with two different blends of butanol and gasoline. The cylinder head surface and valves are coated with a ceramic material consisting of Zirconium dioxide (ZrO2) with 8% by weight of Yttrium Oxide (Y2O3) to a thickness of 0.3 mm by plasma spray method. Two different fuel blends containing 10% and 15% by volume of butanol in Gasoline are tested on an engine dynamometer using the uncoated and ceramic coated engines. The results strongly indicate that combination of ceramic coated engine and butanol gasoline blended fuel has potential to improve the engine performance.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 52, no 3, 285-293 p.
Keyword [en]
SI engine, n-Butanol, Low heat rejection, Zirconium dioxide coating
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-182252DOI: 10.1016/j.aej.2013.06.005ScopusID: 2-s2.0-84883448464OAI: oai:DiVA.org:kth-182252DiVA: diva2:904166
Note

QC 20160415

Available from: 2016-02-18 Created: 2016-02-18 Last updated: 2016-04-15Bibliographically approved

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Mittal, Nitesh
Mechanical Engineering

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