Impact of straight vegetable oil-diesel blends application on vehicle regulated and non-regulated emissions over legislated and real world driving cycles

Fontaras, G; Kousoulidou, M; Karavalakis, G; Bakeas, E; Samaras, Z

dc.contributor.author	Fontaras, G	en
dc.contributor.author	Kousoulidou, M	en
dc.contributor.author	Karavalakis, G	en
dc.contributor.author	Bakeas, E	en
dc.contributor.author	Samaras, Z	en
dc.date.accessioned	2014-03-01T01:35:50Z
dc.date.available	2014-03-01T01:35:50Z
dc.date.issued	2011	en
dc.identifier.issn	0961-9534	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/21211
dc.subject	ARTEMIS	en
dc.subject	Biofuels	en
dc.subject	Exhaust emissions	en
dc.subject	Non-regulated pollutants	en
dc.subject	Vegetable oils	en
dc.subject.classification	Agricultural Engineering	en
dc.subject.classification	Biotechnology & Applied Microbiology	en
dc.subject.classification	Energy & Fuels	en
dc.subject.other	ARTEMIS	en
dc.subject.other	Chassis dynamometers	en
dc.subject.other	Common rail	en
dc.subject.other	Driving conditions	en
dc.subject.other	Driving cycle	en
dc.subject.other	Emission level	en
dc.subject.other	Engine exhaust	en
dc.subject.other	Exhaust emission	en
dc.subject.other	Gaseous pollutants	en
dc.subject.other	Non-regulated pollutants	en
dc.subject.other	Nucleation mode particles	en
dc.subject.other	PM emissions	en
dc.subject.other	Rapeseed oil	en
dc.subject.other	Sunflower oil	en
dc.subject.other	Vehicle performance	en
dc.subject.other	Aldehydes	en
dc.subject.other	Automobiles	en
dc.subject.other	Biodiesel	en
dc.subject.other	Carbon dioxide	en
dc.subject.other	Carbonylation	en
dc.subject.other	Diesel fuels	en
dc.subject.other	Dynamometers	en
dc.subject.other	Exhaust systems (engine)	en
dc.subject.other	Fog	en
dc.subject.other	Fuel oils	en
dc.subject.other	Fuels	en
dc.subject.other	Ketones	en
dc.subject.other	Lubricating oils	en
dc.subject.other	Oilseeds	en
dc.subject.other	Organic compounds	en
dc.subject.other	Pollution	en
dc.subject.other	Vegetable oils	en
dc.subject.other	Diesel engines	en
dc.subject.other	bioenergy	en
dc.subject.other	biofuel	en
dc.subject.other	carbon dioxide	en
dc.subject.other	carbon monoxide	en
dc.subject.other	carbonyl compound	en
dc.subject.other	dicotyledon	en
dc.subject.other	diesel	en
dc.subject.other	diesel engine	en
dc.subject.other	energy market	en
dc.subject.other	exhaust emission	en
dc.subject.other	fossil fuel	en
dc.subject.other	fuel consumption	en
dc.subject.other	performance assessment	en
dc.subject.other	vegetable oil	en
dc.subject.other	Europe	en
dc.subject.other	Brassica napus	en
dc.subject.other	Helianthus	en
dc.subject.other	Micropus	en
dc.title	Impact of straight vegetable oil-diesel blends application on vehicle regulated and non-regulated emissions over legislated and real world driving cycles	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.biombioe.2011.04.048	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.biombioe.2011.04.048	en
heal.language	English	en
heal.publicationDate	2011	en
heal.abstract	Straight vegetable oil (SVO) has been considered as a possible alternative to fossil diesel-engine fuel since the development of diesel engines. In Europe, SVOs achieved a measurable share in biofuels market reaching 4%. This study attempts to identify the impact of untreated SVO application on fuel consumption and emissions, regulated and non-regulated, on a Euro 3 common rail diesel passenger car. Three different vegetable oils (cottonseed, sunflower, and rapeseed) were blended with diesel fuel, on a 10-90% v/v ratio each. Chassis dynamometer measurements were conducted including both regulated and non-regulated pollutants. In the case of rapeseed oil diesel blend, carbonyl compounds (10 aldehydes and ketones) were investigated. In addition to the legislated procedure (NEDC), the Artemis driving cycles were used for quantifying the fuels' impact over realistic driving conditions. Results indicate that all blends have limited effects on gaseous pollutants and vehicle performance. Statistically significant increases on CO2, CO and HC were recorded over NEDC in the order of 3, 39 and 31%. Reductions were observed on PM emissions particularly for the sunflower oil blends, while NOx remained at baseline levels. Comparison with the emission levels measured when using esterified fuels of the same feedstocks suggests that SVO presence does not affect engine exhaust in the same way as biodiesel. The vegetable oil presence in the fuel appeared to suppress the formation of nucleation mode particles. Straight rapeseed oil increased carbonyl compound emissions over all cycles tested and resulted in higher acroleine/acetone presence in the carbonyl compound composition. (C) 2011 Elsevier Ltd. All rights reserved.	en
heal.publisher	PERGAMON-ELSEVIER SCIENCE LTD	en
heal.journalName	Biomass and Bioenergy	en
dc.identifier.doi	10.1016/j.biombioe.2011.04.048	en
dc.identifier.isi	ISI:000292849200083	en
dc.identifier.volume	35	en
dc.identifier.issue	7	en
dc.identifier.spage	3188	en
dc.identifier.epage	3198	en