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Hydraulics class notes

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This document presents notes for the resolution of spillway and hydraulic jump problems.

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VERTEDEROS DE PARED GRUESA Y PARED DELGADA.
VERTEDEROS DE PARED DELGADA
• Se utilizan en sistema de irrigación para transportar
caudales pequeños y medirlos.
• Pueden ser rectangulares, triangular, proporcional, y
de cualquier forma geométrica de la sección
transversal.
• Los rectangulares pueden ser: con contracción lateral
y sin contracción lateral.
• Para medir correctamente el caudal en vertedero de pared delgada es necesario que la descarga sea
libre.




Empleando la ecuación de energía en A y B:
P V P V
Z + + −H =Z + +
γ 2g γ 2g
V V
+Y =
2g 2g
Ignorando la Velocidad
de aproximación VA


V V
V = 2 +Y → V =C 2 +Y
2g 2g

V =C 2g ∗ Y
Por lo tanto, la ecuación de caudal queda expresada de la siguiente manera:
( .
2
dQ = v(y)dA → ' dQ = C* C 2gB ' Y,/ dy → Q = C/ 2gB 0 2 3/ 4
) ) 3
2B 3
Q = C/ 2g ∗ H
3
El coeficiente de descarga incluye la
simplificación o efecto de:
• Contracción de la nape.


Q = C5 H 6
I. ECUACION GENERAL PARA VERTEDEROS. • Velocidad de Aproximación.
• Perdida de energía.



2B 3
Para vertederos de pared delgada:
• La fórmula de Rehbock es aplicable

C5 = C/ 2g y n=
3 2
solamente para vertederos de pared
delgada con descarga libre.

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Uploaded on
January 11, 2025
Number of pages
4
Written in
2022/2023
Type
Class notes
Professor(s)
Cesar gómez
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All classes

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