Advanced

Application of in-line ultrasound Doppler-based UVP-PD rheometry method to concentrated model and industrial suspensions

Wiklund, Johan LU and Stading, Mats (2008) In Flow Measurement and Instrumentation 19(3-4). p.171-179
Abstract
The in-line ultrasound Doppler-based UVP-PD rheometry method was evaluated for non-invasive, real-time theological characterization of complex model- and industrial suspensions. The method is based on the combination of ultrasound velocity profile (UVP) and pressure drop (PD) measurements. Experiments were carried out in pressure driven, steady shear flow at different volumetric flow rates in a flow loop, designed to mimic industrial conditions. Results showed that instantaneous velocity profiles and theological properties could be monitored in real-time, in-line. A much wider range of model and industrial suspensions was covered compared to what has so far been reported in literature. Investigated suspensions differed in particle sizes,... (More)
The in-line ultrasound Doppler-based UVP-PD rheometry method was evaluated for non-invasive, real-time theological characterization of complex model- and industrial suspensions. The method is based on the combination of ultrasound velocity profile (UVP) and pressure drop (PD) measurements. Experiments were carried out in pressure driven, steady shear flow at different volumetric flow rates in a flow loop, designed to mimic industrial conditions. Results showed that instantaneous velocity profiles and theological properties could be monitored in real-time, in-line. A much wider range of model and industrial suspensions was covered compared to what has so far been reported in literature. Investigated suspensions differed in particle sizes, distributions, shapes and suspension characteristics. The agreement was good between shear viscosities measured in-line and off-line using conventional rheometers for particles smaller than the shear gap in the concentric cylinders. The UVP-PD method is applicable to suspensions for which conventional, off-line rheometers fail due to shear gap size restrictions. The UVP-PD method can be a valuable tool for process monitoring since rapid changes in theology during processing can be monitored in real-time, in-line. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
velocity, sound, non-Newtonian, suspensions, in-line rheometry, flow profiling
in
Flow Measurement and Instrumentation
volume
19
issue
3-4
pages
171 - 179
publisher
Elsevier
external identifiers
  • wos:000255927300007
  • scopus:41449118523
ISSN
0955-5986
DOI
10.1016/j.flowmeasinst.2007.11.002
language
English
LU publication?
yes
id
d1e11129-539c-4720-b35f-9b5989f27e4e (old id 1203406)
date added to LUP
2008-09-16 16:00:44
date last changed
2017-11-05 03:49:54
@article{d1e11129-539c-4720-b35f-9b5989f27e4e,
  abstract     = {The in-line ultrasound Doppler-based UVP-PD rheometry method was evaluated for non-invasive, real-time theological characterization of complex model- and industrial suspensions. The method is based on the combination of ultrasound velocity profile (UVP) and pressure drop (PD) measurements. Experiments were carried out in pressure driven, steady shear flow at different volumetric flow rates in a flow loop, designed to mimic industrial conditions. Results showed that instantaneous velocity profiles and theological properties could be monitored in real-time, in-line. A much wider range of model and industrial suspensions was covered compared to what has so far been reported in literature. Investigated suspensions differed in particle sizes, distributions, shapes and suspension characteristics. The agreement was good between shear viscosities measured in-line and off-line using conventional rheometers for particles smaller than the shear gap in the concentric cylinders. The UVP-PD method is applicable to suspensions for which conventional, off-line rheometers fail due to shear gap size restrictions. The UVP-PD method can be a valuable tool for process monitoring since rapid changes in theology during processing can be monitored in real-time, in-line.},
  author       = {Wiklund, Johan and Stading, Mats},
  issn         = {0955-5986},
  keyword      = {velocity,sound,non-Newtonian,suspensions,in-line rheometry,flow profiling},
  language     = {eng},
  number       = {3-4},
  pages        = {171--179},
  publisher    = {Elsevier},
  series       = {Flow Measurement and Instrumentation},
  title        = {Application of in-line ultrasound Doppler-based UVP-PD rheometry method to concentrated model and industrial suspensions},
  url          = {http://dx.doi.org/10.1016/j.flowmeasinst.2007.11.002},
  volume       = {19},
  year         = {2008},
}