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2013•Journal of Chemical & Engineering DataRequires access

A Novel Vibrating-Wire Viscometer for High-Viscosity Liquids at Moderate Pressures

MARC J. ASSAEL, Sofia K. Mylona

Open publisher page 24 citations

Abstract

The design and operation of a new vibrating-wire viscometer for the measurement of high-viscosity liquids (50 to 125) mPa·s, and up to 18 MPa are described. The design of the instrument is based on a complete theory so that it is possible to make absolute measurements. The viscosity of liquid diisodecyl phthalate (DIDP) is measured at temperatures between (293 and 363) K and pressures between (0.1 and 18) MPa with an absolute uncertainty of ± 1.5 %.

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What this paper is about

The design and operation of a new vibrating-wire viscometer for the measurement of high-viscosity liquids (50 to 125) mPa·s, and up to 18 MPa are described. The design of the instrument is based on a complete theory so that it is possible to make absolute measurements. The viscosity of liquid diisodecyl phthalate (DIDP) is measured at temperatures between (293 and 363) K and pressures between (0.1 and 18) MPa with an absolute uncertainty of ± 1.5 %.

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Available abstract

The design and operation of a new vibrating-wire viscometer for the measurement of high-viscosity liquids (50 to 125) mPa·s, and up to 18 MPa are described. The design of the instrument is based on a complete theory so that it is possible to make absolute measurements. The viscosity of liquid diisodecyl phthalate (DIDP) is measured at temperatures between (293 and 363) K and pressures between (0.1 and 18) MPa with an absolute uncertainty of ± 1.5 %.

Key concepts: Viscometer, Viscosity, Vibrating wire, Materials science, Thermodynamics, Absolute (philosophy), Ubbelohde viscometer, Mechanics

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