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Model ID: 171

Non-Newtonian Flow

This model shows the influence of shear rate dependent viscosity on the flow of a linear polystyrene solution. For this type of flow, you can use the Carreau viscosity model. Due to rotational symmetry, it is possible to reduce the model dimensions from 3D to axisymmetric 2D.

POLYMER MOULDING: The figure shows the viscosity in a mould where non-Newtonian fluid is flowing. The viscosity reaches its lowest value in the contraction, between the piston and the wall, where the shear rate is largest.

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