A straight benthic flow-through flume for in situ measurement of cohesive sediment dynamics

J. Aberle, Vladimir Ivanovich Nikora, S. R. Mclean, C. Doscher, Ian Kenneth McEwan, M. Green, D. Goring, J. Walsh

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The design of a straight benthic flow-through flume for in situ studies of cohesive sediment dynamics is described including the flume structure and probes installed for routine measurements of suspended sediments and flow velocity. The flume was calibrated for two roughness types covering the range of possible cohesive bed roughnesses. The calibration included a set of three-dimensional velocity measurements using acoustic Doppler velocimeter. These measurements were used to develop calibration relationships between the bed shear stress (which is difficult to measure directly in routine deployments) and the flume centerline flow velocity, which is routinely measured. An example of a successful deployment of the flume is presented. The limitations and potential for further improvements are also briefly discussed.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalJournal of Hydraulic Engineering
Volume129
Issue number1
DOIs
Publication statusPublished - Jan 2003

Keywords

  • cohesive sediment
  • shear stress
  • erosion
  • flumes
  • annular flume
  • sea carousel
  • shear-stress
  • turbulence
  • bed
  • erodibility
  • deposits
  • ADV

Cite this

A straight benthic flow-through flume for in situ measurement of cohesive sediment dynamics. / Aberle, J.; Nikora, Vladimir Ivanovich; Mclean, S. R.; Doscher, C.; McEwan, Ian Kenneth; Green, M.; Goring, D.; Walsh, J.

In: Journal of Hydraulic Engineering, Vol. 129, No. 1, 01.2003, p. 63-67.

Research output: Contribution to journalArticle

Aberle, J. ; Nikora, Vladimir Ivanovich ; Mclean, S. R. ; Doscher, C. ; McEwan, Ian Kenneth ; Green, M. ; Goring, D. ; Walsh, J. / A straight benthic flow-through flume for in situ measurement of cohesive sediment dynamics. In: Journal of Hydraulic Engineering. 2003 ; Vol. 129, No. 1. pp. 63-67.
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