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Multiphase Hele-Shaw Flows: from Beaches to Dredgers - School of ...

Multiphase Hele-Shaw Flows: from Beaches to Dredgers - School of ...

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Dredging a <strong>Hele</strong>-<strong>Shaw</strong> cell<br />

<strong>Hele</strong>-<strong>Shaw</strong><br />

<strong>Flows</strong><br />

Onno<br />

Bokhove<br />

Introduction<br />

Design<br />

Wave<br />

Breaking<br />

Beach<br />

Morphology<br />

Challenges<br />

Conclusions<br />

Design (March 2013):<br />

Use <strong>Hele</strong>-<strong>Shaw</strong> cell <strong>to</strong> investigate pump failure by particle<br />

overloading in slurries.<br />

Narrow cell (2d, 3d): bridging; wider cells: 3D effects.<br />

Mathematical modelling using water-particle mixture<br />

theory.<br />

z<br />

free surface<br />

pump<br />

g<br />

B 0<br />

particles<br />

0 L<br />

x

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