2014•Unpublished venueRequires access

Flow patterns in an open channel confluence with a small ratio of main channel to tributary discharge

Laurent Schindfessel, Stéphan Creëlle, Thomas Boelens, Tom De Mulder

Abstract

In this paper, time-averaged flow patterns in a 90° open channel confluence with concordant and non-movable bed are studied, for the case of a tributary discharge largely exceeding the main channel discharge. By means of LSSPIV and profiling ADV, velocity data are gathered in laboratory experiments. A moderate and a small ratio of upstream main channel discharge to downstream channel discharge are studied. Intercomparison of the experimental results shows some distinct changes in the flow features.

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Available abstract

Key concepts: Confluence, Tributary, Open-channel flow, Channel (broadcasting), Hydrology (agriculture), Flow (mathematics), Geology, Mechanics