ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Fast synchrotron X-ray tomography study of the packing structures of rods with different aspect ratios |
Zhang Xiao-Dan (张晓丹)a, Xia Cheng-Jie (夏成杰)a, Xiao Xiang-Hui (肖相辉)b, Wang Yu-Jie (王宇杰)a |
a Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China; b X-ray Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL 60439, USA |
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Abstract We present a fast synchrotron X-ray tomography study of the packing structures of rods with different aspect ratios. Utilizing the high flux of the X-rays generated from the third-generation synchrotron source, we can complete a high-resolution tomography scan within a short period of time, after which the three-dimensional (3D) packing structure can be obtained for the subsequent structural analysis. The image phase-retrieval procedure has been implemented to enhance the image contrast. We systematically investigated the effects of particle shape and aspect ratio on the structural properties including packing density and contact number. It turns out that large aspect ratio rod packings will have wider distributions of free volume fraction and larger mean contact numbers.
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Received: 04 November 2013
Revised: 02 December 2013
Accepted manuscript online:
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PACS:
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45.70.Cc
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(Static sandpiles; granular compaction)
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87.59.-e
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(X-ray imaging)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11175121) and the National Basic Research Program of China (Grant No. 2010CB834301). Use of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE (Grant No. DE-AC02-06CH11357). |
Corresponding Authors:
Wang Yu-Jie
E-mail: yujiewang@sjtu.edu.cn
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About author: 45.70.Cc; 87.59.-e |
Cite this article:
Zhang Xiao-Dan (张晓丹), Xia Cheng-Jie (夏成杰), Xiao Xiang-Hui (肖相辉), Wang Yu-Jie (王宇杰) Fast synchrotron X-ray tomography study of the packing structures of rods with different aspect ratios 2014 Chin. Phys. B 23 044501
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