Turbulent open-channel flow through simulated vegetation

Fabian Lopez, Chad Dunn, Marcelo Horacio Garcia

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

Abstract

The present work concerns experiments conducted under uniform flow conditions in a laboratory flume. Acoustic-Doppler Velocimetry and Hot-Film Anemometry are combined to measure the turbulence structure within elements and in the free surface region of the flow at several locations within the grid. Mean values and standard deviations for the three velocity components are computed, together with vertical, longitudinal and spanwise profiles of turbulent kinetic energy, Reynolds' stresses, power spectra etc. Conditional-quadrant technique computations show the structure of sweeps and ejections at different locations in the flow field. Analysis of the results obtained provide valuable information concerning the overall dynamics of these kind of flows. The existence of a short-circuited cascade process is validated.

Original languageEnglish (US)
Title of host publicationInternational Water Resources Engineering Conference - Proceedings
EditorsWilliam H. Espey, Phil G. Combs
PublisherASCE
Pages99-103
Number of pages5
Volume1
StatePublished - 1995
EventProceedings of the 1st International Conference on Water Resources. Part 1 (of 2) - San Antonio, TX, USA
Duration: Aug 14 1995Aug 18 1995

Other

OtherProceedings of the 1st International Conference on Water Resources. Part 1 (of 2)
CitySan Antonio, TX, USA
Period8/14/958/18/95

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

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