Experimental study of the bed morphology downstream of a sluice gate

This work describes an experimental study based on a simplified model of a vertical sluice gate installed in a channel with a moving bed of glass spheres with 2 mm diameter. The originated scour cavity and downstream dune were studied. The influence of the apron length and the downstream tailwater d...

Full description

Bibliographic Details
Main Author: Carvalho, L. (author)
Other Authors: Carvalho, E. (author), Aleixo, R. (author), Lima, M. M. C. L. (author)
Format: conferencePaper
Language:eng
Published: 2018
Subjects:
Online Access:http://hdl.handle.net/1822/56095
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/56095
Description
Summary:This work describes an experimental study based on a simplified model of a vertical sluice gate installed in a channel with a moving bed of glass spheres with 2 mm diameter. The originated scour cavity and downstream dune were studied. The influence of the apron length and the downstream tailwater depth were also analysed. Imaging techniques provided the tools to this investigation. The data acquisition and processing consisted in acquiring images of the flow and automatically process them to identify the water-sediments interface and the longitudinal profile of sediments? bed at different instants.