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T(C) 0 5 10 15 20 25 30 35
Viscosida 1.79E-03 1.51E-03 1.31E-03 1.41E-03 1.00E-03 8.91E-04 7.97E-04 7.20E-04
Pratica dirigida de mecanica de fuidosII
Docente: Mt. Ed!in "stete #a$ane%
En &a 'i.1 se $est*a &a desca*a a t*a+,s de doso*icios dete*$ina*.
a) Cada& a t*a+,s de &os o*icios en $3/* ) Coeeciente de +e&ocidad
c) Coeciente de e*dida de ca*a
a*a &as te$e*at*as de 12.5 C 27C asis$is$o*aca* &a +a*iacion de& cada& *esecto a &a
te$e*at*a a*a &os datos de &a ta&a 1.
E& 6o *esenta &as siientes condiciones:
999.93994.21485(_ 10 ;(
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T(C)
0 1.79E-03
5 1.51E-03
10 1.31E-03
15 1.14E-03
20 1.00E-03
25 8.91E-04
30 7.97E-04
35 7.20E-0440 .53E-04
$
#o&cion:
=/
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a* &a ecaion Ae oie*na a &a +iscosidad cinetica
2)(./
0 5 10 15 20 25 30 35 40 450.00E00
2.00E-04
4.00E-04
.00E-04
8.00E-04
1.00E-03
1.20E-03
1.40E-03
1.0E-03
1.80E-03
2.00E-03(B) -0.0004229237 &n(B) 0.0022439118 0.98977237
(B) - 0.00000001B;3 0.000001144B;2 - 5.8189201539201E-005B 0.001784798 0.999827529
999.93994.21485(_ 10 ;(
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12.5 1.19E-03 999.4241123 1.19E-0 0.08 1.4 5.7245978 3.82E05 0.
27 7.12E-04 99.5424529 7.15E-07 0.08 1.4 5.7245978 .35E05 0.
12.5 5.724597839 0. 0.0050255 0.0171077321 1.587835
27 5.724597839 0. 0.0050255 0.0171077321 1.587835
12.5 1.19E-03 999.4241123 1.19E-0 0.1 2.73 7.3184742 .1E05 0.27 7.12E-04 99.5424529 7.15E-07 0.1 2.73 7.3184742 1.02E0 0.
a*a e& o*icio Ci*c&a*
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12.5 7.3184741 0. 0.015 14.385 0.0000042 0.058787 237.124342
27 7.3184741 0. 0.015 14.385 0.0000042 0.058787 237.124342
0 1.80E-03 999.9399 1.80E-0 0.08 1.4 5.7245978 2.52E05 0.
5 1.52E-03 999.9771304 1.52E-0 0.08 1.4 5.7245978 2.98E05 0.
10 1.29E-03 999.8590873 1.29E-0 0.08 1.4 5.7245978 3.52E05 0.
15 1.09E-03 999.08888051 1.09E-0 0.08 1.4 5.7245978 4.15E05 0.
20 9.20E-04 998.2091323 9.22E-07 0.08 1.4 5.7245978 4.92E05 0.
25 7.9E-04 997.0779821 7.71E-07 0.08 1.4 5.7245978 5.89E05 0.
30 .30E-04 995.845031 .33E-07 0.08 1.4 5.7245978 7.17E05 0.
35 4.9E-04 994.07740227 4.99E-07 0.08 1.4 5.7245978 9.09E05 0.
40 3.0E-04 992.231111 3.3E-07 0.08 1.4 5.7245978 1.25E0 0.
0 1.587835583
5 1.587835583
10 1.587835583
15 1.587835583
20 1.58783558325 1.587835583
30 1.587835583
35 1.587835583
40 1.587835583
a* &a +a*iacion de& cada& *esecto a &a te$e*at*a a*a &e o*icio ci*c&a*
(F.$/s)_
(F/$3);4
(F.$/s)
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($)
($/s)
($)
( )
(/s)
0 5 10 15 20 25 30 35 40 45:1.5878355828
:1.5878355828
(B) 3.7895:12573872E-01:B :1.5878355828
C)ada& *esecto a& tie$o
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0 1.80E-03 999.9399 1.80E-0 0.1 2.73 7.3184742 4.07E05 0.
5 1.52E-03 999.9771304 1.52E-0 0.1 2.73 7.3184742 4.80E05 0.
10 1.29E-03 999.8590873 1.29E-0 0.1 2.73 7.3184742 5.7E05 0.
15 1.09E-03 999.08888051 1.09E-0 0.1 2.73 7.3184742 .70E05 0.
20 9.20E-04 998.2091323 9.22E-07 0.1 2.73 7.3184742 7.94E05 0.
25 7.9E-04 997.0779821 7.71E-07 0.1 2.73 7.3184742 9.49E05 0.
30 .30E-04 995.845031 .33E-07 0.1 2.73 7.3184742 1.1E0 0.
35 4.9E-04 994.07740227 4.99E-07 0.1 2.73 7.3184742 1.47E0 0.
40 3.0E-04 992.231111 3.3E-07 0.1 2.73 7.3184742 2.02E0 0.
0 237.1241728
5 237.1241728
10 237.1241728
15 237.1241728
20 237.1241728
25 237.1241728
30 237.1241728
35 237.1241728
40 237.1241728
a* &a +a*iacion de& cada& *esecto a &a te$e*at*a a*a &e o*icio ci*c&a*
(F.$/s)_
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($)
0 5 10 15 20 25 30 35 40 4237.12417:279
C)ada& *esecto a& tie$o
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*o&e$a 3
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9.81 0. 0.5 0.7 1.8528251J* 1.105543944
teta
9.81 0.785398134 0.5 0.72249545
Jt 0.3017229599
a
9.81 0.55 0.5 0.5914
J 0.935525407
JT 2.15
0.25 0.592
0.5 0.591
0.333 0.598
0.25 0.5950.2 0.592
0.17 0.589
0.143 0.588
0.125 0.587
0.111 0.585
0.1 0.582
0.57
0.575
0.58
0.585
0.59
0.595
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*o&e$a 2
Ki K3 a teta
datos 1.4 1 0.2 0. 9.81 90
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a 1 i/a teta cd
0.2 0. 9.81 1.4 7 90 0.587
J 0.391754957$3/s
A 0.152924928+&+o de& 6o teo*ico
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Cda@(2 1)$
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so&cion
C+ 0.9739857143
a 1 Cd C+0.2 1.4 0.587 0.97398571
Cc 0.29180779 ecacion 2
K2 0.125831559
A 2
0.152924928 9.81 0.125831559
'*;2 19.3793182
2 '*;2
0.125831559 19.37932
Ks 0.7227812184
Ks K2
0.7227812184 0.125831Gs 3.581703748
so&cion c
a 1 K3 3/a teta
0.2 0. 9.81 1.4 1 5 90
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J 0.232700059$3/s Cda@(2 1)$
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40
.53E-04
dio: 091578
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0.99 0.0203
0.99 0.0203
0.99 0.02030.99 0.0203
&
&
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0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
0.005025 0.01711 1.5878
($2)
($/s)
(/s)
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0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
0.015 0.0587 237.124
($2)
($/s)
(/s)
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9.81 0.1 0.58372121
9.77 0.111 0.0959399
Co&$n C
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cd
0.37 15
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