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dc.contributor.authorHjelkrem, Odd Andre
dc.contributor.authorArnesen, Petter
dc.contributor.authorBø, Torstein Ingebrigtsen
dc.contributor.authorSondell, Rebecka Snefuglli
dc.date.accessioned2020-08-20T12:42:15Z
dc.date.available2020-08-20T12:42:15Z
dc.date.created2020-08-17T09:31:42Z
dc.date.issued2020
dc.identifier.issn0306-2619
dc.identifier.urihttps://hdl.handle.net/11250/2673224
dc.description.abstractThe representation of tank-to-wheel efficiency is for many modelling purposes simplified to a constant value. However, the relationship between tank-to-wheel efficiency and operational properties is not necessarily constant. As a result, situations with both favorable and unfavorable driving conditions will not be adequately represented in instruments for decision making. In this paper, we address this issue by estimating tank-to-wheel efficiency functions customized for use in transport and traffic modelling applications. The functions are estimated by sum of squares on aggregated data, with two different seed functions from a theoretical basis. The level of detail in the estimated functions provide more complexity for evaluations of transport systems in terms of energy and fuel usage, while avoiding too complex modelling of internal engine processes or vehicle specific type parameters. Data sets from vehicle type approval tests are used for the estimation process, and validation tests suggest that a tank-to-wheel efficiency function outperforms a constant value.en_US
dc.language.isoengen_US
dc.rightsCC BY 4.0*
dc.rights.urihttp://creativecommons.org/licenses/BY/4.0/*
dc.subjectTank-to-wheel efficiencyen_US
dc.subjectStatistical estimationen_US
dc.subjectTransport modellingen_US
dc.titleEstimation of tank-to-wheel efficiency functions based on type approval dataen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holder© 2020 The authorsen_US
dc.subject.nsiVDP::Teknologi: 500en_US
dc.source.volume276en_US
dc.source.journalApplied Energyen_US
dc.identifier.doi10.1016/j.apenergy.2020.115463
dc.identifier.cristin1823510
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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