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The anomalous pressure drop behaviour of ice slurries flowing through constrictions
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Shire, G. S. F., Quarini, Giuseppe Leonardo, Rhys, T. D. L. and Evans, T. S. (2008) The anomalous pressure drop behaviour of ice slurries flowing through constrictions. International Journal of Multiphase Flow, Vol.34 (No.5). pp. 510-515. doi:10.1016/j.ijmultiphaseflow.2007.11.007 ISSN 0301-9322.
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Official URL: http://dx.doi.org/10.1016/j.ijmultiphaseflow.2007....
Abstract
The effective ‘viscosity’ for ice slurry containing more than say 30 to 40% ice fraction is many orders of magnitude higher than that for water. However, this work suggests that such slurries, when flowing through constrictions, can incur lower pressure drops than water flowing at the same rate through the same topology. This paradoxical finding is explored, studied and reported in this paper. It is thought that this reduction in pressure drop is the result of ice particles inhibiting the onset of turbulence in the ice slurry. Other researchers have previously observed this phenomenon in slurries of lower ice fractions. It is also suggested that the relatively low pressure drops observed for high ice fractions may be due to complex heat transfer and phase change phenomena, which are likely to occur at the ice-wall interface.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Multiphase flow, Ice mechanics, Ice -- Viscosity, Pressure , Slurry pipelines -- Testing | ||||
Journal or Publication Title: | International Journal of Multiphase Flow | ||||
Publisher: | Elsevier | ||||
ISSN: | 0301-9322 | ||||
Official Date: | May 2008 | ||||
Dates: |
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Volume: | Vol.34 | ||||
Number: | No.5 | ||||
Number of Pages: | 6 | ||||
Page Range: | pp. 510-515 | ||||
DOI: | 10.1016/j.ijmultiphaseflow.2007.11.007 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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