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Exhaust particle number of a non-road diesel engine fuelled by methyl esters with different fatty acid compositions

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dc.contributor.authorOvaska, T.
dc.contributor.authorNiemi, S.
dc.contributor.authorSirviö, K.
dc.contributor.authorNilsson, O.
dc.date.accessioned2019-05-09T11:01:44Z
dc.date.available2019-05-09T11:01:44Z
dc.date.issued2019
dc.descriptionArticleeng
dc.description.abstractThe main aim of this study was to find out how methyl esters with different fatty acid compositions affect the exhaust particle numbers. Along with fossil diesel fuel oil (DFO) and renewable diesel (HVO), a high-speed non-road diesel engine was fuelled by rapeseed (RME) and soybean (SME) methyl esters. Particle numbers within the size range of 5.6–560 nm were measured by means of an engine exhaust particle sizer (EEPS). The exhaust smoke, gaseous emissions and the basic engine performance were also determined. During the measurements, the 4-cylinder, turbocharged, intercooled engine was run according to the non-road steady cycle. Methyl esters reduced particles within the size range of 70 to 200 nm. For RME and SME, both positive and significant correlations were found between the sum of the particle numbers detected above the size category of 23 nm and methyl palmitate (C16:0), methyl stearate (C18:0) and methyl linoleate (C18:2) contents at 10% load at rated speed. In terms of nitrogen oxide (NOx) and hydrocarbon (HC) emissions, HVO was beneficial while carbon monoxide (CO) emission was the lowest with DFO. The level in smoke emission was negligible.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2019, vol. 17, Special Issue 1, pp. 1165–1180eng
dc.identifier.urihttp://hdl.handle.net/10492/4751
dc.identifier.urihttps://doi.org/10.15159/ar.19.089
dc.rights.holderCopyright 2009 by Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry. No part of this publication may be reproduced or transmitted in any form, or by any means, electronic or mechanical, incl. photocopying, electronic recording, or otherwise without the prior written permission from the Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry.eng
dc.subjectdiesel engineeng
dc.subjectparticle numbereng
dc.subjectmethyl estereng
dc.subjectfatty acid compositioneng
dc.subjectarticleseng
dc.titleExhaust particle number of a non-road diesel engine fuelled by methyl esters with different fatty acid compositionseng
dc.typeArticleeng

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2019, Vol. 17, Special Issue 1