Bibliographic Details
| Title: |
Vibrating-Wire Viscometry. |
| Authors: |
Richter, Markus1 (AUTHOR), Trusler, J. P. Martin2 (AUTHOR) m.trusler@imperial.ac.uk |
| Source: |
International Journal of Thermophysics. Aug2024, Vol. 45 Issue 8, p1-22. 22p. |
| Subjects: |
Viscometry, Viscosimeters, Viscosity, Density, Magnets |
| Abstract: |
The theory and application of the vibrating-wire technique for the measurement of viscosity, as well as both viscosity and density, are reviewed. Theory is presented in the form of practical working equations and well-established limitations on their ranges of validity. The cases of both transient and steady-state excitation of the vibrating wire are considered in detail. For the steady-state mode, we describe a variant of the method in which the density is also measured. Practical details including wire materials, magnet systems and instrumentation are discussed, and several design examples from the literature are reviewed. Relative uncertainties in vibrating-wire viscometry vary from, at best, 0.2 % to about 2 % at 95 % confidence. In an appropriately designed instrument, density can be measured simultaneously with a relative uncertainty of about 0.2 %. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
