TY - JOUR
T1 - Viscosity evaluation of multi-phases flux by rotating cylinder method
AU - Sukenaga, Sohei
AU - Haruki, Shinichiro
AU - Yamaoka, Yoshinori
AU - Saito, Noritaka
AU - Nakashima, Kunihiko
N1 - Copyright:
Copyright 2010 Elsevier B.V., All rights reserved.
PY - 2009
Y1 - 2009
N2 - Viscosity of multi-phases fluids, suspensions of spherical polyethylene beads dispersed in silicone oils, has been measured by rotating cylinder method. Results were obtained as functions of the volume fraction and the average particle size of dispersed beads, the viscosity of silicone oil and shear rate at the surface of rotating spindle. In addition, the Theological characterization of the multi-phase fluids was examined from the relationship between the shear rate and the shear stress calculated on the basis of experimental conditions and the viscosity data. The apparent viscosities of the multi-phases fluids were found to increase exponentially with increasing the volume fraction of polyethylene beads. Moreover, in the case of the volume fraction of beads were higher than 0.3, the viscosity of these fluids decreased with increasing the shear rate. The relationships between shear stress and shear rate indicated that the highly concentrated fluids with the beads (the volume fraction of the beads were higher than 0.3) behaved as non-Newtonian fluids that were categorized as Bingham fluid.
AB - Viscosity of multi-phases fluids, suspensions of spherical polyethylene beads dispersed in silicone oils, has been measured by rotating cylinder method. Results were obtained as functions of the volume fraction and the average particle size of dispersed beads, the viscosity of silicone oil and shear rate at the surface of rotating spindle. In addition, the Theological characterization of the multi-phase fluids was examined from the relationship between the shear rate and the shear stress calculated on the basis of experimental conditions and the viscosity data. The apparent viscosities of the multi-phases fluids were found to increase exponentially with increasing the volume fraction of polyethylene beads. Moreover, in the case of the volume fraction of beads were higher than 0.3, the viscosity of these fluids decreased with increasing the shear rate. The relationships between shear stress and shear rate indicated that the highly concentrated fluids with the beads (the volume fraction of the beads were higher than 0.3) behaved as non-Newtonian fluids that were categorized as Bingham fluid.
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U2 - 10.2355/tetsutohagane.95.807
DO - 10.2355/tetsutohagane.95.807
M3 - Article
AN - SCOPUS:77249104624
SN - 0021-1575
VL - 95
SP - 807
EP - 812
JO - Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
JF - Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
IS - 12
ER -