CÁLCULOS

Determinación del Caudal

Q = Vol./t, en cm3/seg.

Vol. = 8lts.*(1000cm3/lt) = 8000cm3
* t1 = 54.95seg.
* t2 = 56.59seg.
* t3 = 57.04seg.

Q1 = 8000/54.95 =145.64cm3/seg.
Q2 = 8000/56.59 = 141.37cm3/seg.
Q3 = 8000/57.04 = 140.25cm3/seg.

ERRORMAX. = ((QMAX. – QMIN.)/QMAX. )*100<=2
= ((145.64-140.25)/145.64)*100 = 3.7% (valor permitido enel laboratorio)

Q = (Q1+Q2+Q3)/3
Q = (145.64+141.37+140.25)/3 = 142.42 cm3/seg

Determinación de velocidad en cada sección del piezómetro

V = Q/A, en cm/seg,

h1 = 1.4cm A1 = 0.7*1.4 =0.98cm2
h2 = 1.3cm A2 = 0.7*1.3 = 0.91cm2
h3 = 1.2cm A3 = 0.7*1.2 = 0.84cm2
h4 = 1.1cm A4 = 0.7*1.1 = 0.77cm2
h5 = 1.0cm A5 = 0.7*1.0 = 0.70cm2
h6 = 0.9cm A6 = 0.7*0.9 = 0.63cm2
h7 =1.0cm A7 = 0.7*1.0 = 0.70cm2
h8 = 1.1cm A8 = 0.7*1.1 = 0.77cm2
h9 = 1.2cm A9 = 0.7*1.2 = 0.84cm2
h10 = 1.3cm A10 = 0.7*1.3 = 0.91cm2
h11 = 1.4cm A11 = 0.7*1.4 = 0.98cm2

* V1 =142.2/0.98 = 145.33 cm/seg
* V2 = 142.2/0.91 = 156.50 cm/seg
* V3 = 142.2/0.84 = 169.55 cm/seg
* V4 = 142.2/0.77 = 184.96 cm/seg
* V5 = 142.2/0.70 = 203.46 cm/seg
* V6 =142.2/0.63 = 226.06 cm/seg
* V7 = 142.2/0.70 = 203.46 cm/seg
* V8 = 142.2/0.77 = 184.96 cm/seg
* V9 = 142.2/0.84 = 169.55 cm/seg
* V10 = 142.2/0.91 = 156.50 cm/seg
* V11 = 142.2/0.98 =145.33 cm/seg

Determinación de la Energía Cinética en cada sección

* EC1 = (145.33)2/(2*980) = 10.78cm
* EC2 = (156.50)2/(2*980) = 12.50cm
* EC3 = (169.55)2/(2*980) = 14.67cm
* EC4 =(184.96)2/(2*980) = 17.45cm
* EC5 = (203.46)2/(2*980) = 21.12cm
* EC6 = (226.06)2/(2*980) = 26.07cm
* EC7 = (203.46)2/(2*980) = 21.12cm
* EC8 = (184.96)2/(2*980) = 17.45cm
* EC9 =(169.55)2/(2*980) = 14.67cm
* EC10 = (156.50)2/(2*980) = 12.51cm
* EC11 = (145.33)2/(2*980) = 10.78cm

Determinación de la Energía Total en cada sección

H1 = 27cm ET1 = 27+10.78 =... [continua]

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CHICAGO

"Calculos." BuenasTareas.com. 07, 2012. consultado el 07, 2012. http://www.buenastareas.com/ensayos/Calculos/4825328.html.