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Viscosity and density measurements on liquid n-tetradecane at moderately high pressures

2017-12-15Journal article Restricted access
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dc.contributor.authorSantos, Tânia V. M.
dc.contributor.authorPereira, Marta F. V.
dc.contributor.authorAvelino, Helena Maria da Nóbrega Teixeira
dc.contributor.authorCaetano, Fernando J. P.
dc.contributor.authorFareleira, João M. N. A.
dc.date.accessioned2017-12-29T13:36:01Z
dc.date.available2017-12-29T13:36:01Z
dc.date.issued2017-12-15
dc.description.abstractThe main aim of the work is to study the viscosity and density of compressed normal tetradecane in the region of pressures from saturation to 10 MPa, where the available literature data are scarce. New measurements of the viscosity of n-tetradecane (n-C-14) along eight isotherms in the range (283-358) K and at pressures up to 70 MPa, have been performed using the vibrating wire technique in the forced mode of operation. Density measurements have also been performed along nine isotherms in the temperature range from (283 to 373) K and pressures from (0.1 to 70) MPa. The vibrating wire viscosity results were correlated with density, using a modified hard-spheres scheme. The root mean square (rms) deviation of the data from the correlation is less than 0.32% and the maximum absolute relative deviation is less than 1.0%. The expanded uncertainty of the present viscosity data is estimated as +/- 1.5% at a 95% confidence level. The density results were correlated with the temperature and pressure using a modified Tait equation. The expanded uncertainty of the present density data is estimated as +/- 0.2% at a 95% confidence level. The isothermal compressibility and the isobaric thermal expansion were calculated by differentiation of the modified Tait equation. The uncertainties of isothermal compressibility and the isobaric thermal expansion are estimated to be less than +/- 1.7% and +/- 1.1%, respectively, at a 95% confidence level. The results are compared with the available literature data. (C) 2017 Elsevier B.V. All rights reserved.pt_PT
dc.description.sponsorshipThis work was supported by the Strategic Project PEst-OE/QUI/UI0100/2013 funded by Fundação para a Ciência e a Tecnologia (FCT, Portugal). The authors are grateful to FCT (Portugal) for its support.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.fluid.2017.08.025pt_PT
dc.identifier.issn0378-3812
dc.identifier.urihttp://hdl.handle.net/10400.2/6867
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectTetradecanept_PT
dc.subjectViscositypt_PT
dc.subjectDensitypt_PT
dc.subjectHigh pressurept_PT
dc.subjectVibrating wirept_PT
dc.titleViscosity and density measurements on liquid n-tetradecane at moderately high pressurespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PEst-OE%2FQUI%2FUI0100%2F2013/PT
oaire.citation.endPage57pt_PT
oaire.citation.startPage46pt_PT
oaire.citation.titleFluid Phase Equilibriapt_PT
oaire.citation.volume453pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameAvelino
person.familyNameCaetano
person.familyNameFareleira
person.givenNameHelena Maria da Nóbrega Teixeira
person.givenNameFernando J. P.
person.givenNameJoão
person.identifier.ciencia-id9615-6337-5695
person.identifier.ciencia-idDE17-708E-317F
person.identifier.ciencia-id8E1B-F54C-8ABD
person.identifier.orcid0000-0001-6516-2164
person.identifier.orcid0000-0002-6821-1694
person.identifier.orcid0000-0002-8442-9386
person.identifier.ridH-8325-2012
person.identifier.scopus-author-id14919229800
person.identifier.scopus-author-id7004474824
person.identifier.scopus-author-id6603840268
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication8efac795-4b7e-4b96-86ca-d8c612283ab7
relation.isAuthorOfPublicationf36ab422-62f8-4432-965c-73e36b0d25a2
relation.isAuthorOfPublication22e737b9-e5ab-460d-9200-5d088c622c08
relation.isAuthorOfPublication.latestForDiscoveryf36ab422-62f8-4432-965c-73e36b0d25a2
relation.isProjectOfPublication8b108fea-a85c-4b7b-b651-3071dd3ad45f
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