Calculo De Gasto (praccticas)

10 15 8 1.88

PRACTICA 1

PROMEDIO= 1.76 Lts/seg. = 0.00176 M3/Seg

PRACTICA 2

1 6.8

2 5.9

3 6.5

4 6.3

1 1.9

2 2.3

3 2.3

4 2.3

1 9.6

2 8.8

3 7.0

4 7.3

Fr=V/√gd V=Q/A A= Bd

Fr < 1 .- Sub-Critico a) Compuerta

Fr = 1.- Critico b) Vertedor pared delgada

Fr > 1.- Super-Critico c) Vertedor pared gruesa

d) Vertedor Cimacio

A1.- A=7.6 x 6.8=51.68 〖cm〗^2=0.005168 m^2 V=(0.00176 m^3/seg)/(0.005168m^2 )=0.3406 m/seg Fr=(0.3406 m/seg)/√((9.81)(6.8) )=0.0417

A2.- A=7.6 x 5.9=44.89 〖cm〗^2=0.004489 m^2 V=(0.00176 m^3/seg)/(0.004489m^2 )=0.3921 m/seg Fr=(0.3921 m/seg)/√((9.81)(8.9) )= 0.05154

A3.- A=7.6 x 6.5=49.4 〖cm〗^2=0.00494 m^2 V=(0.00176 m^3/seg)/(0.0494m^2 )=0.3563 m/seg Fr=(0.3563 m/seg)/√((9.81)(6.5) )= 0.0446

A4.- A=7.6 x 6.3=47.88 〖cm〗^2=0.004788 m^2 V=(0.00176 m^3/seg)/(0.004788m^2 )=0.3676 m/seg Fr=(0.3676 m/seg)/√((9.81)(6.5) )= 0.0186

B1.- A=7.6 x 1.9=14.44 〖cm〗^2=0.001444 m^2 V=(0.00176 m^3/seg)/(0.001444m^2 )=1.219 m/seg Fr=(1.219 m/seg)/√((9.81)(6.5) )= 0.2048

B2.- A=7.6 x 2.3=17.48 〖cm〗^2=0.001748 m^2 V=(0.00176 m^3/seg)/(0.001748m^2 )=1.007 m/seg Fr=(1.007 m/seg)/√((9.81)(6.5) )= 0.1398

B3.- A=7.6 x 2.3=17.48 〖cm〗^2=0.001748 m^2 V=(0.00176 m^3/seg)/(0.001748m^2 )=1.007 m/seg Fr=(1.007 m/seg)/√((9.81)(6.5) )= 0.1398

B4.- A=7.6 x 2.3=17.48 〖cm〗^2=0.001748 m^2 V=(0.00176 m^3/seg)/(0.001748m^2 )=1.007 m/seg Fr=(1.007 m/seg)/√((9.81)(6.5) )= 0.1398

C1.- A=7.6 x 9.6=72.96 〖cm〗^2=0.007296 m^2 V=(0.00176 m^3/seg)/(0.0072968m^2 )=0.2412 m/seg Fr=(0.2412 m/seg)/√((9.81)(6.5) )= 0.00802

C2.- A=7.6 x 2.3=17.48 〖cm〗^2=0.001748 m^2 V=(0.00176 m^3/seg)/(0.001748m^2 )=1.007 m/seg Fr=(1.007 m/seg)/√((9.81)(6.5) )= 0.1398

C3.- A=7.6 x 8.8=66.88 〖cm〗^2=0.006688 m^2 V=(0.00176 m^3/seg)/(0.006688m^2 )=0.2632 m/seg Fr=(0.2632 m/seg)/√((9.81)(6.5) )= 0.009597

C4.- A=7.6 x 8.8=66.88 〖cm〗^2=0.006688 m^2 V=(0.00176 m^3/seg)/(0.006688m^2 )=0.2632 m/seg Fr=(0.2632 m/seg)/√((9.81)(6.5) )= 0.009597

PRACTICA 3

Re=Vr/μ V.- Velocidad

A= Bd r.- Radio

P= B+2d μ= Viscosidad Cinematica del agua (1x〖10〗^(-6) m/seg)

V=Q/A

r=A/P

Re<500 .- Flujo Laminar

500<Re<2000 .- Flujo Transicional

Re>2000

1.- B= 2 cm = 0.02 m d= 5.8 cm A= 0.02 x 0.058 = 0.00116 m^2 P= 2 + 2(5.8) = 13.6 cm = 0.136 m

Q= 0.0000666 V=0.000066/0.00116=0.05747 r=〖0.00116m〗^2/0.136m=0.008529 Re=(0.05741)(0.008529)/〖1x10〗^(-6) = 490.17 < 500 .`. Flujo Laminar

2.- B= 2 cm = 0.02 m d= 12.6 cm A= 0.02 x 0.126 = 0.00116 m^2 P= 0.02 + 2(0.058) = 0.126 m

Q= 0.00016129 V=0.00016129/0.00252=0.0640 m/seg r=〖0.00252m〗^2/0.272m=0.00926 Re=(0.064)(0.00926)/〖1x10〗^(-6) = 592.64

500<592.64<2000 .`. Flujo Transicional

3.- B= 2 cm = 0.02 m d= 9.1cm A= 0.02 x 0.091 = 0.00182 m^2 P= 0.02 + 2(0.091) = 0.202 m

Q= 0.000452 m/seg V=0.000452/0.00182=0.248 m/seg r=〖0.00182m〗^2/0.202m=0.009 Re=(0.248)(0.009)/〖1x10〗^(-6) = 2235.16

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