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Strong extensional flows are important for many scientific and industrial applications, especially for non-Newtonian fluids where measurements of extensional properties, such as extensional viscosity, are important. Converging geometries are known for their ability to stretch the fluid in a strong extensional flow along the centreline . At the macroscale, converging channels used as extensional rheometers are usually axisymmetric and operate only with highly viscous fluids to reduce inertial effects. Microfluidic flows are characterised by high deformation rates under small Reynolds numbers (Re),offering a promising platform for investigating fluids described by complex rheological behaviour.
|Number of pages||2|
|Publication status||Published - 14 Apr 2015|
|Event||10th Annual European Rheology Conference, AERC 2015 - Nantes, United Kingdom|
Duration: 14 Apr 2015 → 17 Apr 2015
|Conference||10th Annual European Rheology Conference, AERC 2015|
|Period||14/04/15 → 17/04/15|
- converging flow
- extensional measurements
- fluid dyamics
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