capillary viscometer

capillary viscometer

[′kap·ə‚ler·ē vis′käm·əd·ər]
(engineering)
A long, narrow tube that is used to measure the laminar flow of fluids.
References in periodicals archive ?
The pressure-scanning capillary viscometer measures the viscosity of whole blood over a range of shear rates without the use of anticoagulants.
The instrument was a sealed gravitational capillary viscometer developed at NIST for volatile liquids.
The triple detector system features an integrated triple detector array (TDA) comprised of a low angle light scattering (LALS) detector, four capillary viscometer detectors, a GPCmax pump, autosampler and degasser module specifically designed for GPC/SEC applications.
In capillary viscometer measurements, the relative viscosity (dimensionless) is the ratio of the flow time for the solution (t) to the flow time for the solvent ([t.
To validate the results, the rheological properties of these materials were measured offline using a capillary viscometer.
The viscosities of the guar gum solutions were measured using a Cannon-Fenske capillary viscometer (Schott Gerate GmbH, Germany).
The fully automated system integrates a GPC unit with a capillary viscometer and a refractometer housed in a temperature-controlled compartment to ensure stable performance from ambient temperature to 302 F.
The diluted polymer solution is then passed through a train of detectors comprising a Brookhaven BI-MwA multiangle static light scattering (SLS) detector, a single capillary viscometer (Validyne differential pressure sensor), and Shimadzu RID 10A refractive index (RI) detector.
It features an integrated tetra detector array comprised of a low angle light scattering (LALS) detector, four capillary viscometer detectors, RI and UV/VIS, a GPCmax pump, autosampler and degasser module specifically designed for GPC/SEC applications, and OmniSEC software for multiple detection analysis and complete system control.
A capillary viscometer is the most common instrument used for measuring melt viscosity dependence on shear rate and temperature.
It features an integrated Tetra Detector Array comprised of a low angle light scattering (LALS) detector, four capillary viscometer detectors, RI and UV/ VIS; a GPCmax pump, autosampler and degasser module specifically designed for GPC/SEC applications; and OmniSEC software for multiple detection analysis and complete system control.