A Method for Obtaining Three-Dimensional Strains During Flow from a Model Bin
Previous studies conducted on axially-symmetric flow using three-dimensional bin models show the influence of angle of internal friction and wall material on the flow pattern. Because of the difficulties in idealizing three-dimensional flow, these studies have not uniquely identified the flow pattern. Hence, a cylindrical model bin, with a high ratio of bin to outlet diameter, was used in conjunction with three-dimensional Cartesian and cylindrical coordinate systems to study flow similar to that occurring in large bins. The present study utilized a technique to fix the granular material, allowing the set model to be sliced and the central flow zone observed. This method is unique in that it allows measurement of all three components of strain. By determining the velocity field in the flowing material and comparing it with the material's properties, it is hoped that increasingly efficient flow can be coaxed from large bins. © 1971.
L. W. Saperstein and R. Mishra, "A Method for Obtaining Three-Dimensional Strains During Flow from a Model Bin," International Journal of Rock Mechanics and Mining Sciences, Elsevier, Jan 1971.
The definitive version is available at http://dx.doi.org/10.1016/0148-9062(71)90043-X
Mining and Nuclear Engineering
Article - Journal
© 1971 Elsevier, All rights reserved.