On the deformation of fibrous suspensions

Hamedi, NaserLuleå tekniska universitet,Strömningslära och experimentell mekanik (författare)

An understanding of the rheology and dynamics of the deformation of fibrous suspension as a multiphase fluid is important in order to be able to fully disclose the flow behaviour from very low to very high shear rates. In this study, a flexible fibre model has been implemented in an open source Computational Fluid Dynamics code. The three-dimensional Navier-Stokes equations which describe the fluid motion are employed while the fibrous phase of the fluid is modeled as chains of fiber segments interacting with the fluid through viscous- and drag forces. The aim of this study is to investigate the fibre dynamics against several orbit classes - i.e. rigid, springy, flexible and complex rotation of the fibres1-3 enabling the model to have all degrees of freedom - translation, rotation, bending and twisting. The simulations are performed using the OpenFOAM open source software.

Westerberg, Lars-GöranLuleå tekniska universitet,Strömningslära och experimentell mekanik(Swepub:ltu)lgwe (författare)
Luleå tekniska universitetStrömningslära och experimentell mekanik (creator_code:org_t)

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