Literature DB >> 11736176

Granular drag on a discrete object: shape effects on jamming.

I Albert1, J G Sample, A J Morss, S Rajagopalan, A L Barabási, P Schiffer.   

Abstract

We study the drag force on discrete objects with circular cross section moving slowly through a spherical granular medium. Variations in the geometry of the dragged object change the drag force only by a small fraction relative to shape effects in fluid drag. The drag force depends quadratically on the object's diameter as expected. We do observe, however, a deviation above the expected linear depth dependence, and the magnitude of the deviation is apparently controlled by geometrical factors.

Year:  2001        PMID： 11736176     DOI： 10.1103/PhysRevE.64.061303

Source DB:  PubMed          Journal:  Phys Rev E Stat Nonlin Soft Matter Phys        ISSN： 1539-3755


  11 in total

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9.  Mechanics of undulatory swimming in a frictional fluid.

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10.  Asteroid surface impact sampling: dependence of the cavity morphology and collected mass on projectile shape.

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