Packing fractions and maximum angles of stability of granular materials.

Olson, J; Priester, M; Luo, J; Chopra, S; Zieve, R J

Olson, J; Priester, M; Luo, J; Chopra, S; Zieve, R J.

Afiliación

Olson J; Physics Department, University of California, Davis, California 95616, USA.

Phys Rev E Stat Nonlin Soft Matter Phys ; 72(3 Pt 1): 031302, 2005 Sep.

Article en En | MEDLINE | ID: mdl-16241421

RESUMEN

In two-dimensional rotating drum experiments, we find two separate influences of the packing fraction of a granular heap on its stability. For a fixed grain shape, the stability increases with packing fraction. However, in determining the relative stability of different grain shapes, those with the lowest average packing fractions tend to form the most stable heaps. We also show that only the configuration close to the surface of the pile figures prominently.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev E Stat Nonlin Soft Matter Phys Asunto de la revista: BIOFISICA / FISIOLOGIA Año: 2005 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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