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Rheological Measurements in Liquid-Solid Flows

Koos, Erin and Hunt, Melany L. and Brennen, Christopher E. (2006) Rheological Measurements in Liquid-Solid Flows. In: 15th U.S. National Congress on Theoretical and Applied Mechanics, June 2006, Boulder, CO. (Unpublished)

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The behavior of liquid-solid flows varies greatly depending on fluid viscosity, particle and liquid inertia, and collisions between particles. While particle collisions in inviscid fluids can be understood statistically, liquid-solid flows are complicated by the fluid viscosity and forces acting on the particles (e.g. lift, drag, added mass). These flows were first studied by Bagnold, whose investigation found two different flow regimes: a macro-viscous regime where the shear and pressure forces are proportional to the shear rate, and a grain-inertia regime defined by a dependance on the square of the shear rate [1, 2]. The scaling relations he developed have been used to model and understand natural phenomena since.

Item Type:Conference or Workshop Item (Paper)
Hunt, Melany L.0000-0001-5592-2334
Subject Keywords:rheology, suspensions, granular flows
Record Number:CaltechAUTHORS:20111215-143708669
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28480
Deposited By: George Porter
Deposited On:15 Dec 2011 22:41
Last Modified:09 Mar 2020 13:18

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