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Statements

Subject Item
n2:RIV%2F46747885%3A24210%2F14%3A%230006604%21RIV15-MSM-24210___
rdf:type
n12:Vysledek skos:Concept
rdfs:seeAlso
http://papers.sae.org/2014-01-2618/
dcterms:description
An ordinary, unmodified port fuel injection spark ignition automobile engine with closed-loop air-fuel ratio control and a three-way catalyst was operated on two butanol isomers, n-butanol and iso-butanol, and their blends with gasoline at steady-state operating points covering both common and potentially problematic regimes. The engine control unit was able to maintain the air-fuel ratio while running on both butanol isomers and their blends with gasoline. Only small changes in the heat release rates, small and insignificant decrease in exhaust gas temperatures, and no excessive increase in emissions were observed. Under commanded enrichment operation, the maximum torque, air-fuel ratio and exhaust emissions were comparable among nearly all fuels tested. The exhaust gas temperatures were comparable among fuels, with a moderate increase observed in some regimes during operation with high share of n-butanol in fuel. For both n-butanol and iso-butanol , starta bility was significantly worsened with more than 30% of alcohol by volume in the fuel. In general, while differences among the fuels were observed, there were no significant adverse effects on maximum engine torque, air-fuel ratio, exhaust gas temperature, heat release rates, and the emissions of regulated gaseous pollutants both before and after the three-way catalyst. Engine durability and other issues were not examined. An ordinary, unmodified port fuel injection spark ignition automobile engine with closed-loop air-fuel ratio control and a three-way catalyst was operated on two butanol isomers, n-butanol and iso-butanol, and their blends with gasoline at steady-state operating points covering both common and potentially problematic regimes. The engine control unit was able to maintain the air-fuel ratio while running on both butanol isomers and their blends with gasoline. Only small changes in the heat release rates, small and insignificant decrease in exhaust gas temperatures, and no excessive increase in emissions were observed. Under commanded enrichment operation, the maximum torque, air-fuel ratio and exhaust emissions were comparable among nearly all fuels tested. The exhaust gas temperatures were comparable among fuels, with a moderate increase observed in some regimes during operation with high share of n-butanol in fuel. For both n-butanol and iso-butanol , starta bility was significantly worsened with more than 30% of alcohol by volume in the fuel. In general, while differences among the fuels were observed, there were no significant adverse effects on maximum engine torque, air-fuel ratio, exhaust gas temperature, heat release rates, and the emissions of regulated gaseous pollutants both before and after the three-way catalyst. Engine durability and other issues were not examined.
dcterms:title
Operation of an Ordinary PFI Engine on n-butanol and Iso-butanol and Their Blends with Gasoline Operation of an Ordinary PFI Engine on n-butanol and Iso-butanol and Their Blends with Gasoline
skos:prefLabel
Operation of an Ordinary PFI Engine on n-butanol and Iso-butanol and Their Blends with Gasoline Operation of an Ordinary PFI Engine on n-butanol and Iso-butanol and Their Blends with Gasoline
skos:notation
RIV/46747885:24210/14:#0006604!RIV15-MSM-24210___
n5:aktivita
n8:O n8:I
n5:aktivity
I, O
n5:cisloPeriodika
01-2618
n5:dodaniDat
n14:2015
n5:domaciTvurceVysledku
n7:5686997 n7:1016792
n5:druhVysledku
n9:J
n5:duvernostUdaju
n17:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
34676
n5:idVysledku
RIV/46747885:24210/14:#0006604
n5:jazykVysledku
n15:eng
n5:klicovaSlova
combustion engine; alcohol; butanol; n-butanol; isobutanol; exhaust; emissions; biofuel; three-way catalyst; adaptation; misfueling; PEMS; real driving emissions; particle length; hamster; duct tape
n5:klicoveSlovo
n6:duct%20tape n6:isobutanol n6:PEMS n6:particle%20length n6:emissions n6:combustion%20engine n6:adaptation n6:hamster n6:n-butanol n6:butanol n6:biofuel n6:real%20driving%20emissions n6:misfueling n6:exhaust n6:three-way%20catalyst n6:alcohol
n5:kodStatuVydavatele
US - Spojené státy americké
n5:kontrolniKodProRIV
[D826B5DEFD84]
n5:nazevZdroje
SAE Technical papers
n5:obor
n18:JT
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
3
n5:rokUplatneniVysledku
n14:2014
n5:svazekPeriodika
2014
n5:tvurceVysledku
Vojtíšek, Michal Pechout, Martin Dittrich, Aleš
s:issn
0148-7191
s:numberOfPages
28
n19:doi
10.4271/2014-01-2618
n10:organizacniJednotka
24210