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Exhaust emissions from an ethanol-fueled diesel engine with EGR
1994 (English)In: Proceedings: The motor vehicle and the environment - demands of the nineties and beyond, Croydon: Automotive automation , 1994Conference paper, Published paper (Refereed)
Abstract [en]

Effects of Exhaust Gas Recirculation (EGR) on exhaust emissions in an ethanol-fueled direct injection diesel engine have been studied at different injection timings and compression ratios. In addition to regulated emissions the unregulated components formaldehyde, acetaldehyde, and ethanol were analyzed. EGR decreases nitrogen oxide (NOx) emissions substantially and increases carbon monoxide (CO) emission. Total hydrocarbon (THC) emissions, as measured with a flame ionization detector (FID), are fairly constant with increasing EGR rates up to a point where the combustion deteriorates and THC emissions increase rapidly. At low and medium load the emissions of form- and acetaldehyde increase substantially even at EGR rates where THC emissions still are constant. Low aldehyde emissions are favored by advanced injection timing and high compression ratios. The results indicate that the increase in aldehyde emissions due to EGR will decrease under those conditions

Place, publisher, year, edition, pages
Croydon: Automotive automation , 1994.
Series
SAE Technical Paper ; 1994-25-0222
National Category
Fluid Mechanics and Acoustics
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-27739Local ID: 146ed9e0-25aa-11dd-9e62-000ea68e967bISBN: 0-947719-71-7 (print)OAI: oai:DiVA.org:ltu-27739DiVA, id: diva2:1000928
Conference
ISATA - International Symposium on Automotive Technology and Automation : 31/10/1994 - 04/11/1994
Note
Godkänd; 1994; 20080519 (cira)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Pettersson, Esbjörn

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  • apa
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Output format
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