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Viscosity of liquid diethylene, triethylene and tetraethylene glycols at moderately high pressures using a vibrating wire instrument

2019Journal article Restricted access
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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.accessioned2019-11-04T15:05:28Z
dc.date.available2019-11-04T15:05:28Z
dc.date.issued2019
dc.description.abstractNew viscosity measurements of compressed liquid diethylene glycol (DiEG), triethylene glycol (TriEG) and tetraethylene glycol (TeEG) have been performed using a vibrating wire instrument operated in the forced oscillation mode. The measurements have been carried out in a range of pressures up to 70 MPa and temperatures from (293–363) K, covering a total range of viscosities from (3.46–1.15 × 102) mPa⋅s. Complementary experimental density data were obtained for the same glycols using an Anton Paar vibrating U-tube densimeter. These measurements have been performed in a range of temperatures from about (283–363) K and at pressures up to about 70 MPa. The viscosity results were correlated with density, using a modified hard-spheres scheme. The experimental density data were correlated, as a function of temperature and pressure, with a modified Tait-type equation. The expanded uncertainty of the present viscosity results at a 95% confidence level is estimated to be less than ±2.0% for viscosities up to 68 mPa s and less than ±2.6% for higher viscosities. The densities have an expanded uncertainty of ±0.2% at a 95% confidence level.pt_PT
dc.description.sponsorshipThis work was supported by the Project UID/QUI/00100/2013 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.2018.09.026
dc.identifier.issn0378-3812
dc.identifier.urihttp://hdl.handle.net/10400.2/8695
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectEthylene glycolpt_PT
dc.subjectPEGpt_PT
dc.subjectVibrating wirept_PT
dc.subjectViscositypt_PT
dc.subjectHigh pressurept_PT
dc.titleViscosity of liquid diethylene, triethylene and tetraethylene glycols at moderately high pressures using a vibrating wire instrumentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00100%2F2013/PT
oaire.citation.endPage97pt_PT
oaire.citation.startPage87pt_PT
oaire.citation.titleFluid Phase Equilibriapt_PT
oaire.citation.volume480pt_PT
oaire.fundingStream5876
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.isProjectOfPublication039cd23c-a06f-47df-b250-202e276a50bb
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