High-speed video analysis of sediment-turbulence interaction

Yarko Nino, Fabian Lopez, Marcelo Horacio Garcia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Results from the analysis of high-speed video recordings of particle motion and simultaneous flow visualizations in the near wall region of a turbulent open channel flow are presented. Analysis of the video images provided information about characteristics of particle motion and its interaction with coherent flow structures associated with the turbulent bursting process near the wall. The results presented herein demonstrate the valuable quantitative information that can be obtained by applying high-speed video imaging techniques to the study of sediment transport mechanics. Although the results are preliminary, they clearly indicate the fundamental role played by flow ejections on the particle entrainment mechanism. Further application of this technique would provide basic data, which could contribute to a better understanding of the physical processes involved in particle-turbulence interactions, and in particular, to clarify the intimate relation between bursting phenomena and sediment transport mechanics near the bed.

Original languageEnglish (US)
Title of host publicationProceedings of the Symposium on Fundamentals and Advancements in Hydraulic Measurements and Experimentation
PublisherPubl by ASCE
Pages213-222
Number of pages10
ISBN (Print)0784400369
StatePublished - Dec 1 1994
EventProceedings of the Symposium on Fundamentals and Advancements in Hydraulic Measurements and Experimentation - Buffalo, NY, USA
Duration: Aug 1 1994Aug 5 1994

Publication series

NameProceedings of the Symposium on Fundamentals and Advancements in Hydraulic Measurements and Experimentation

Other

OtherProceedings of the Symposium on Fundamentals and Advancements in Hydraulic Measurements and Experimentation
CityBuffalo, NY, USA
Period8/1/948/5/94

ASJC Scopus subject areas

  • Engineering(all)

Fingerprint Dive into the research topics of 'High-speed video analysis of sediment-turbulence interaction'. Together they form a unique fingerprint.

  • Cite this

    Nino, Y., Lopez, F., & Garcia, M. H. (1994). High-speed video analysis of sediment-turbulence interaction. In Proceedings of the Symposium on Fundamentals and Advancements in Hydraulic Measurements and Experimentation (pp. 213-222). (Proceedings of the Symposium on Fundamentals and Advancements in Hydraulic Measurements and Experimentation). Publ by ASCE.