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Fluctuations in apparent mass at the bottom of granular columns due to different arrangements

Author

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  • Chand, Ram
  • Shi, Qingfan
  • Qadir, Abdul
  • Ma, Shaopeng
  • Sun, Gang

Abstract

We report the fluctuations in apparent mass at the bottom of granular columns due to various configurations. It is found that the fluctuations decrease with the increase in the ratio of diameters of silo to grain. For the arrangement of different grain layers in a column, the higher fluctuations appear when the larger grains are stacked at the bottom layer while reversing the order of grain-layers leads to smaller fluctuations. We attribute this behavior to the randomness in the direction of frictional forces between the grains and the confining wall. Moreover, due to polydisperse media, the development of inhomogeneous force transmission in grains may cause this to happen.

Suggested Citation

  • Chand, Ram & Shi, Qingfan & Qadir, Abdul & Ma, Shaopeng & Sun, Gang, 2012. "Fluctuations in apparent mass at the bottom of granular columns due to different arrangements," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(10), pages 2936-2939.
    • Handle: RePEc:eee:phsmap:v:391:y:2012:i:10:p:2936-2939
    DOI: 10.1016/j.physa.2011.12.063
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    Cited by:

    1. Colonnello, C. & Reyes, L.I. & Clément, E. & Gutiérrez, G., 2014. "Behavior of grains in contact with the wall of a silo during the initial instants of a discharge-driven collapse," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 398(C), pages 35-42.

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    Keywords

    Fluctuation; Granular material;

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