Measurement of granular flow in a silo using Digital Speckle Radiography

Powder Technology

Volumn 146, Issue 1-2, 2004, Pages 56-65

  Grantham, S G ^a   Forsberg, F ^b  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Displacement measurements; Image correlation; Radiography; Silo

Indexed keywords

DIGITAL SPECKLE RADIOGRAPHY (DSR); IMAGE CROSS-CORRELATION;

CAMERAS; CHARGE COUPLED DEVICES; FLOW OF FLUIDS; GRANULAR MATERIALS; PARTICLE SIZE ANALYSIS; POWDERS; TUNGSTEN;

RADIOGRAPHY;

ALUMINUM OXIDE; TUNGSTEN;

FLOW MEASUREMENT; GRANULAR MEDIUM; POWDER; RADIOGRAPHY; SILO; SOLID FLOW;

ACCURACY; ARTICLE; CAMERA; CORRELATION ANALYSIS; FLOW MEASUREMENT; FLOW RATE; IMAGE INTENSIFIER; MATERIALS; OBSERVATION; PARTICLE SIZE; PERFORMANCE; POWDER; RADIOGRAPHY;

EID: 4744358002     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2004.07.009     Document Type: Article

References (22)

1. A. Ayuga, M. Guaita, P.J. Aguado, and A. Couto Discharge and the eccentricity of the hopper influence on the silo wall pressure Journal of Engineering Mechanics 2001 (Oct.) 1067 1074
2. A. Drescher Some aspects of flow of granular materials in hoppers Philosophical Transactions of the Royal Society of London. A 356 1998 2649 2666
3. A. Drescher Analytical Methods in Bin-Load Analysis 1991 Elsevier New York
4. J.O. Cutress, and R.F. Pulfer X-ray investigations of flowing powders Powder Technology 1 1967 213 220
5. P.L. Bransby, and P.M. Blair-Fish Initial deformations during mass flow from a bunker: observation and idealizations Powder Technology 11 1975 273 288
6. W.G. Pariseau Discontinuous velocity fields in granular flows of granular materials through slots Powder Technology 3 1969 218 226
7. R.L. Michalowski Flow of granular material through a plane hopper Powder Technology 39 1984 29 40
8. H. Takahashi, and H. Yanai Flow profile and void fraction of granular solids in a moving bed Powder Technology 7 1973 205 214
9. E. Archbold, J.M. Burch, and A.E. Ennos Recording of in-plane surface displacement by double-exposure speckle photography Optica Acta 17 1970 883 898
10. White Light and X-ray Digital Speckle Photography, Per Synnergren, Doctoral Thesis, Luleå University of Technology, 2000.
11. A.K. Prasad, and R.J. Adrian Stereoscopic particle image velocimetry applied to liquid flows Experiments in Fluids 15 1993 49 60
12. P. Synnergren, H.T. Goldrein, and W.G. Proud Application of digital speckle photography to flash X-ray studies of internal deformation fields in impact experiments Applied Optics 38 1999 4030 4036
13. P. Synnergren, and H.T. Goldrein Dynamic measurements of internal three-dimensional displacement fields with digital speckle photography and flash X-rays Applied Optics 38 1999 5956 5961
14. S.G. Grantham, and W.G. Proud Digital speckle X-ray flash photography M.D. Furnish N. Thadhani Y. Horie Proceedings of the 12th APS topical meeting on shock compression of condensed matter, 2001 2002 American Institute of Physics Press Woodbury, New York 803 806
15. H.T. Goldrein, S.G. Grantham, W.G. Proud, and J.E. Field The study of internal deformation fields in granular materials using 3D digital speckle X-ray flash photography M.D. Furnish N. Thadhani Y. Horie Proceedings of the 12th APS topical meeting on shock compression of condensed matter, 2001 2002 American Institute of Physics Press Woodbury, New York 1105 1108
16. M. Sjödahl, and L.R. Benckert Electronic speckle photography: analysis of an algorithm giving the displacement with subpixel accuracy Applied Optics 32 13 1993 2278 2284
17. M. Sjödahl Electronic speckle photography: increased accuracy by non-integral pixel shifting Applied Optics 33 28 1994 6667 6673
18. M. Sjödahl, and L.R. Benckert Systematic and random errors in electronic speckle photography Applied Optics 33 31 1994 7461 7471
19. H.T. Goldrein, S.J.P. Palmer, and J.M. Huntley Automated fine grid technique for measurement of large-strain deformation maps Optics and Lasers in Engineering 23 5 1995 305 318
20. T.J. Chung Applied Continuum Mechanics 1996 Cambridge Univ. Press USA
21. M. Sjödahl Strain field measurements using electronic speckle photography: a comparison Silva Gomes Recent Advances in Experimental Mechanics 1994 A.A. Balkema Rotterdam, Netherlands 325 330
22. A. Drescher, A.J. Waters, and C.A. Rhoades Arching in hoppers: II. Arching theories and critical outlet size Powder Technology 84 1995 177 183