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Title: The torsional waveguide viscosity probe: design and anomalous behavior
Authors: Rabani, Amir
Challis, Richard E.
Pinfield, Valerie J.
Keywords: Ultrasonic torsional waveguide
Viscosity probe
Issue Date: 2011
Publisher: © IEEE
Citation: RABANI, A., CHALLIS, R.E. and PINFIELD, V.J., 2011. The torsional waveguide viscosity probe: Design and anomalous behavior. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 58 (8), pp.1628-1640.
Abstract: This paper is concerned with the design of viscosity sensors based on a torsional waveguide. The advantages of using guided wave attenuation instead of speed for viscosity estimation are established. The effects of probe material, dimensions and operating frequency on viscosity measurement are discussed in the context of a requirement to match the measured attenuation to the range of viscosity values that are required to be measured, given the constraints on measurability imposed by the overall signal and noise conditions. A prototype probe is shown to work well with Newtonian liquids but to appreciably underestimate the viscosities of polymeric oils; these anomalies are explained quantitatively on the basis of a model of intramolecular relaxation. The probe was unsuccessful when applied to slurries, and a basic explanation is given.
Description: © 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Version: Accepted for publication
DOI: 10.1109/TUFFC.2011.1990
URI: https://dspace.lboro.ac.uk/2134/11090
Publisher Link: http://ieeexplore.ieee.org/
http://dx.doi.org/10.1109/TUFFC.2011.1990
ISSN: 0885-3010
Appears in Collections:Published Articles (Chemical Engineering)

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