About: Enhancement of Combustion of Vegetable Oil in Diesel Engines at Low Loads with Hydrogen

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A turbodiesel tractor engine engine was operated at idle and several low-rpm, low-load points on fuel-grade rapeseed oil heated to 60-70?C, with up to 5.5% of hydrogen by volume (600 g/h) injected into the intake air. Emissions of HC, CO, and NOx have all markedly decreased with increasing hydrogen concentrations. At higher hydrogen concentrations the onset of the combustion became noticeably delayed and the peak combustion pressure has decreased. The results suggest that the addition of a relatively small amount of hydrogen into the intake air of an engine running on heated rapeseed oil at low rpm and low load can bring the emissions of HC and PM, normally several times higher compared to operation on diesel fuel, back to their “diesel” level. This might also aid in preventing the buildup of deposits within the engine under such operating conditions. It is expected that the effect of the hydrogen co-firing can be further enhanced by optimization of the injection timing and other parameters. A turbodiesel tractor engine engine was operated at idle and several low-rpm, low-load points on fuel-grade rapeseed oil heated to 60-70?C, with up to 5.5% of hydrogen by volume (600 g/h) injected into the intake air. Emissions of HC, CO, and NOx have all markedly decreased with increasing hydrogen concentrations. At higher hydrogen concentrations the onset of the combustion became noticeably delayed and the peak combustion pressure has decreased. The results suggest that the addition of a relatively small amount of hydrogen into the intake air of an engine running on heated rapeseed oil at low rpm and low load can bring the emissions of HC and PM, normally several times higher compared to operation on diesel fuel, back to their “diesel” level. This might also aid in preventing the buildup of deposits within the engine under such operating conditions. It is expected that the effect of the hydrogen co-firing can be further enhanced by optimization of the injection timing and other parameters. (en)
Title	Enhancement of Combustion of Vegetable Oil in Diesel Engines at Low Loads with Hydrogen Enhancement of Combustion of Vegetable Oil in Diesel Engines at Low Loads with Hydrogen (en)
skos:prefLabel	Enhancement of Combustion of Vegetable Oil in Diesel Engines at Low Loads with Hydrogen Enhancement of Combustion of Vegetable Oil in Diesel Engines at Low Loads with Hydrogen (en)
skos:notation	RIV/46747885:24210/09:#0001370!RIV10-GA0-24210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0568), P(GA101/08/1717)
http://linked.open...iv/cisloPeriodika	24-0047
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Blažek, Josef Pechout, Martin Vojtíšek, Michal Fenkl, Michael
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta strojní
http://linked.open...dnocenehoVysledku	313287
http://linked.open...ai/riv/idVysledku	RIV/46747885:24210/09:#0001370
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hydrogen induction; vegetable oil combustion; addition of hydrogen; diesel engines; alternative fuels; hydrogen and vegetable oil; ignition delay (en)
http://linked.open.../riv/klicoveSlovo	ignition delay alternative fuels diesel engines addition of hydrogen hydrogen and vegetable oil hydrogen induction vegetable oil combustion
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A4EA6445CB38]
http://linked.open...i/riv/nazevZdroje	SAE Technical Paper Series
http://linked.open...in/vavai/riv/obor	JT
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Josef Božek Research Center of Engine and Automotive Technology II Optimization of combustion of vegetable oil in diesel engines
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	2009
http://linked.open...iv/tvurceVysledku	Blažek, Josef Pechout, Martin Vojtíšek, Michal Fenkl, Michael
issn	0148-7191
number of pages	14 (xsd:int)
http://localhost/t...ganizacniJednotka	24210

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