Téléchargez le livre : Impact-Activated Solidification of Cornstarch and Water Suspensions

Impact-Activated Solidification of Cornstarch and Water Suspensions



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Éditeur :

Springer


Collection :

Springer Theses

Paru le : 2014-07-28



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Description

This thesis approaches impact resistance in dense suspensions from a new perspective. The most well-known example of dense suspensions, a mixture of cornstarch and water, provides enough impact resistance to allow a person to run across its surface. In the past, this phenomenon had been linked to "shear thickening" under a steady shear state attributed to hydrodynamic interactions or granular dilation. However, neither explanation accounted for the stress scales required for a person to run on the surface.
Through this research, it was discovered that the impact resistance is due to local compression of the particle matrix. This compression forces the suspension across the jamming transition and precipitates a rapidly growing solid mass. This growing solid, as a result, absorbs the impact energy. This is the first observation of such jamming front, linking nonlinear suspension dynamics in a new way to the jamming phase transition known from dry granular materials.
Pages
88 pages
Collection
Springer Theses
Parution
2014-07-28
Marque
Springer
EAN papier
9783319091822
EAN EPUB
9783319091839
Informations sur l'ebook
Nombre pages copiables
0
Nombre pages imprimables
8
Taille du fichier
2478 Ko
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Prix
94,94 €

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