Shear device for measurement of wall friction in designing granular moving bed filters

J. Smid, S. S. Hsiau, W. D. Tu, C. H. Lin, S. M. Ma

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A new measuring method and device for measurements of flow properties of filter granules and pellets of larger particle sizes, particularly for wall friction measurements, is proposed. A bidirectional stress gage is employed in the new shear device. The shear ring is 200 mm in internal diameter. The shear path of the specimen of particulate solids is long enough to measure wall friction coefficients of large granules and rocks considered as moving bed filter media. Several tests with different granular materials and using different shear rings have been performed.

Original languageEnglish
Pages (from-to)49-67
Number of pages19
JournalAdvanced Powder Technology
Volume17
Issue number1
DOIs
StatePublished - 2006

Keywords

  • Filter granules
  • Granular bed filter
  • Wall friction device

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