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Vibrating-wire viscometers for liquids at high pressures

dc.contributor.authorOliveira, Carla Padrel de
dc.contributor.authorAssael, Marc J.
dc.contributor.authorPapadaki, Maria
dc.contributor.authorWakeham, William A.
dc.date.accessioned2012-03-16T14:22:21Z
dc.date.available2012-03-16T14:22:21Z
dc.date.issued1992
dc.description.abstractThe design and operation of two independent vibrating-wire viscometers are described. The instruments are intended for operation in the liquid phase at pressures up to 300 MPa and have been designed specifically for this purpose using the detailed theory of the device. Extensive evidence is adduced to demonstrate that the operation of the viscometers is consistent with the theory. Although the instruments attain a precision in viscosity measurements of __+1% when used in an absolute mode the accuracy that can be achieved is no better than __+3%. However, if the instrument is calibrated for two welldefined instrumental parameters, the uncertainty in the reported viscosity is improved to _+0.5%. The results of measurements of the viscosity of normal heptane in the temperature range 303 to 348 K at pressures up to 250 MPa made with one of the viscometers are reported. The results are shown to be totally consistent with measurements reported earlier using the instrument designed for lower pressures.por
dc.identifier.citationOliveira, Carla Padrel de [et al.] - Vibrating-wire viscometers for liquids at high pressures. "International Journal of Thermophysics" [Em linha]. ISSN 0195-928X (Print) 1572-9567 (Online). Vol. 13, nº 4 (1992), p. 593-615por
dc.identifier.issn0195-928X (Print)
dc.identifier.issn1572-9567 (Online)
dc.identifier.urihttp://hdl.handle.net/10400.2/2083
dc.language.isoengpor
dc.peerreviewedyespor
dc.subjectHigh pressurepor
dc.subjectVibrating wirepor
dc.subjectViscositypor
dc.titleVibrating-wire viscometers for liquids at high pressurespor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage615por
oaire.citation.startPage593por
oaire.citation.titleInternational Journal of Thermophysicspor
person.familyNameOliveira
person.givenNameCarla Padrel de
person.identifier.ciencia-id7015-A6A4-C28D
person.identifier.orcid0000-0002-6419-7100
person.identifier.ridF-9882-2014
person.identifier.scopus-author-id25226689000
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationb9cd96f1-268e-440b-8240-2db65c6f528e
relation.isAuthorOfPublication.latestForDiscoveryb9cd96f1-268e-440b-8240-2db65c6f528e

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