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FOURNIER , Francis

Last name: FOURNIER

First name: Francis

February 10, 2021 (v1)

Publication

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Design of a transparent co-and counter-rotating eccentric Couette cell dedicated to study the interfacial flow behavior of viscous fluids under free surface shear

Thirunavukkarasu, Prashanth Castellani, Romain Cohen, Celine

In the present work, a prototype was developed to observe the flow behavior of viscous fluids (10^3 to 10^5 Pa.s) under free surface shear. The geometry of the prototype is an eccentric Couette cell where both cylinders can rotate in the same or opposite directions. Transparent windows permit in-situ observations during flow. The design,...

Uploaded on: December 4, 2022
November 9, 2022 (v1)

Journal article

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Investigation of the interface behavior of a viscous fluid under free surface shear flow using an eccentric transparent Couette cell

Thirunavukkarasu, Prashanth Fournier, Francis Pignolet, Arnaud

Abstract In the present work, a prototype was developed to observe the flow behavior of viscous fluids under free surface shear and determine an adhesion energy in this flow geometry. The geometry consists of an eccentric Couette cell (outer cylinder radius of 89.5 mm, inner cylinder radius of 43.75 mm and minimal gap of 3 mm) that can be used...

Uploaded on: December 3, 2022