DISEÑO DE AFORADOR PARSHALL
¤ DATOS:
talud del canal =base (B) = 0.74pendiente (S) =altura total del canal =w =ancho del medidor = 0.2 - 0.5altura de bordos (H) = 1.20 m
caudal tirante550.00 lt/seg 0.80 m453.00 lt/seg 0.73 m144.00 lt/seg 0.69 m
0.305 - 0.457
posibilidad 1 w Qmin Qmax m n st1 0.31 m 1.00 0.011 0.453 0.69 1.52 0.622 0.46 m 1.50 0.014 0.68 1.06 1.54 0.64
¤ PARA EL AFORADOR W=0.31m:
=
=
= 0.33 m
= 1.12 m
CALCULO DEL BORDE LIBRE AGUAS ARRIBA:
= 0.08 m
¤ PARA EL AFORADOR W=0.46m:
Q=𝑚 〖𝐻𝑎〗 ^𝑛 〖𝐻𝑎〗 ^ =√(𝑛&𝑄/𝑚)Hb=𝑆𝑡∗𝐻𝑎
Borde libre=𝐻−𝑌𝑎𝑔𝑢𝑎 𝑎𝑟𝑟𝑖𝑏.
X1=𝑌−𝐻𝑏Yaguas a𝑟𝑟𝑖𝑏.=𝑌+𝑃
Ha = 0.58 mHb = 0.37 mX1 = 0.43 mYaguas arrib. = 1.10 mbord. Libre = 0.10 m
¤ RESUMEN DE LOS TIPOS DE AFORADORES
w Ha Hb X1 Yaguas arrib. BL. Nuev0.31 m 0.76 m 0.58 m 0.33 m 1.12 m 0.08 m0.46 m 0.47 m 0.37 m 0.43 m 1.10 m 0.10 m
¤ CALCULO DE LA CURVA DE CALIBRACION:
con los valores de m, n de tabulan valores de Ha para cada caudal
Q(m3/seg) h(m)0.05 0.1377240.1 0.216015
0.15 0.2810790.2 0.338811
0.25 0.3916390.3 0.440861
0.35 0.4872750.4 0.531412
0.45 0.573650.5 0.614271
0.55 0.653489
Ha=√(𝑛&𝑄/𝑚)
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.550
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Column Ch(m)
DISEÑO DE AFORADOR PARSHALL
p0.32
0.3
0.76 m
0.47 m
Ha=√(𝑛&𝑄/𝑚)
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.550
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Column Ch(m)
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