NDLI: Experimental study on vibration-induced convection and heaping in granular beds

Content Provider	Springer Nature Link
Author	Akiyama, T. Aoki, K.M. Yamamoto, K. Yoshikawa, T.
Copyright Year	1998
Abstract	This paper presents an experimental study on the role of interstitial gas in the vibration-induced granular convection and heaping. Two kinds of experiments were made: (i) flow visualization of granular convection, and (ii) investigation of the effects of opening of the top of a vessel wherein granules are contained. It has been observed from the first experiment that uniform mobility of granular materials in the container results in a symmetric pair of convection rolls covering the entire range of the bed, which leads to the heap formation. The second experiment has revealed that, due to the difference in the vessel top opening, a large difference in the shape of the free surface occurs for some range of the granular bed height, suggesting that not only the magnitude of gas pressure, but also how the gas percolates through the granular bed play important roles in the heaping process.
Starting Page	15
Ending Page	20
Page Count	6
File Format	PDF
ISSN	14345021
Journal	Granular Matter
Volume Number	1
Issue Number	1
Language	English
Publisher	Springer-Verlag
Publisher Date	1998-05-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanics of Materials Materials Science

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Experimental study on vibration-induced convection and heaping in granular beds