K-1218 球-平面間のスクイーズ流れにおける濃厚系サスペンションの流動構造化による固体性(S17-5 複雑流体の流れ)(S17 非ニュートン流体の複雑流路内の流れ)

概要

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We have examined Bingham like property of concentrated suspensions with non-Brownian spheres in a squeezing film flow. Apparent yield stress has been estimated with a very weak squeezing flow between a spherical surface with a large radius of curvature and a flat plate. The apparent yield stress has gap dependence and is larger than that measured with a torsional shear flow between parallel plates. These trends are more remarkable in monodispersed system in particle size. It is expected from these results that the monodispersed suspension generates a highly aligned structure and the influence of elongational deformation of the structure is significant in the squeezing film for the concentrated suspension.
一般社団法人日本機械学会の論文
2001-08-22