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Towards a reduction of the bimolecular reaction model for Titan ionosphere

hal.structure.identifierLaboratoire de Chimie Physique D'Orsay [LCPO]
hal.structure.identifierService d'aéronomie [SA]
dc.contributor.authorCARRASCO, Nathalie
hal.structure.identifierLaboratoire de Chimie Physique D'Orsay [LCPO]
dc.contributor.authorPLESSIS, Sylvain
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorDOBRIJEVIC, M.
hal.structure.identifierLaboratoire de Chimie Physique D'Orsay [LCPO]
dc.contributor.authorPERNOT, P.
dc.date.issued2008
dc.identifier.issn0538-8066
dc.description.abstractEnThe aim of this paper is to highlight the skeletal chemistry responsible for the richionospheric chemistry observed in Titan's atmosphere. The present database is representedby about 700 ion–molecule reactions, which are not all important to describe the system. Ourcriterion to reduce the list of reactions is to reproduce a reference mass spectrum within itsuncertainties. This reference mass spectrum is obtained with the complete reaction databaseand with neutral densities optimized for the INMS mass spectrum measured at 1200 km duringthe T5 flyby. We compared two mechanism reduction methods, brute force screening and globalsensitivity analysis. The analysis of the residual scheme with only 35 bimolecular reactionshighlights several patterns, concerning in particular ionic growth processes and introductionof nitrogen to the ionic species.
dc.language.isoen
dc.publisherWiley
dc.title.enTowards a reduction of the bimolecular reaction model for Titan ionosphere
dc.typeArticle de revue
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
bordeaux.journalInternational Journal of Chemical Kinetics
bordeaux.page699-709
bordeaux.volume40
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-00332667
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00332667v1
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