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Title: Double-louver gate for flow control in flumes = Compuerta de doble persiana para el control del flujo en canales artificiales.
Other Titles: Compuerta de doble persiana para el control del flujo en canales artificiales.
Authors: Link Lazo, Óscar Eduardo; supervisor de grado
Nicolás, Gatica Ruiz
Keywords: Compuertas (Hidráulica);Hidrodinámica;Tensión Superficial;Agua Limpia y Saneamiento
Issue Date: 2021
Publisher: Universidad de Concepción.
Abstract: The downstream border condition of an open channel, subcritical flow in a laboratory flume is typically materialized through a gate, which imposes a gradually varied conditions upstream. A number of different gates are used for flow control, but the flow alteration they produce in most cases is unknown. In this paper, we analyze the effects of a double louver gate on the upstream flow in a laboratory flume. The flow properties are measured through a particle image velocimetry. Vertical velocity profiles, recirculation zones, and turbulent kinetic energy distributions are analyzed. Results show that the double louver gate is less flow-altering than the common vertical sluice gate, being best suited for the outflow control in flumes, as it conserves parallel streamlines, with a minimum deformation of the vertical velocity profiles, avoiding the formation of recirculation zones and concentrations of turbulent kinetic energy. The double-louver gate is recommended for its implementation in hydraulic laboratories.
Description: Tesis para optar al grado de Magíster en Ciencias de la Ingeniería con Mención Ingeniería Civil.
Appears in Collections:Ingeniería Civil - Tesis Magister

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