An oil with p-900 kg/m and v= 0.0002 m/s flows upward through an inclined pipe as shown in Fig. E6.4. The pressure and elevation are known at sections 1 and 2, 10 m apart. Assuming d=6 cm 10 m - 250,000 Pa 40 P= 350,000 Pa, z = 0 %3D steady laminar flow, (a) vetify that the flow is up, (b) compute h, between l and 2, and compute (c) Q. (d) V, and (e) Re Is the flow really laminar?

Fundamentals of Geotechnical Engineering (MindTap Course List)
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ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
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Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.14P
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An oil with p= 900 kg/m and v=
in Fig. E6.4. The pressure and elevation are known at sections 1 and 2, 10 m apart. Assuming
0.0002 m'/s flows upward through an inclined pipe as shown
d=6 cm
10 m
Pz= 250,000 Pa
40
P 350,000 Pa, z =0
steady laminar flow, (a) vetify that the flow is up, (b) compute h, between I and 2, and compute
(c) Q. (d) V, and (e) Re. Is the flow really laminar?
pgd'h
128uL
2,431, Eu
66 70 &
Density of Air p = 1.205 kg/m
364 S44 o176 = 15 11 o76 +rso k
Coefficient of viscosity for air u = 1.80 x 10-5 K
hy = 151 355m
Force of gravity = 9.807
Density of water p= 998 kg/m3
Coefficient of viscosity (water) u = 0.001 kg/(m.s)
For gasoline at 20°C, from the Table p= 680 kg/m'y = pg, g =9.81
Transcribed Image Text:An oil with p= 900 kg/m and v= in Fig. E6.4. The pressure and elevation are known at sections 1 and 2, 10 m apart. Assuming 0.0002 m'/s flows upward through an inclined pipe as shown d=6 cm 10 m Pz= 250,000 Pa 40 P 350,000 Pa, z =0 steady laminar flow, (a) vetify that the flow is up, (b) compute h, between I and 2, and compute (c) Q. (d) V, and (e) Re. Is the flow really laminar? pgd'h 128uL 2,431, Eu 66 70 & Density of Air p = 1.205 kg/m 364 S44 o176 = 15 11 o76 +rso k Coefficient of viscosity for air u = 1.80 x 10-5 K hy = 151 355m Force of gravity = 9.807 Density of water p= 998 kg/m3 Coefficient of viscosity (water) u = 0.001 kg/(m.s) For gasoline at 20°C, from the Table p= 680 kg/m'y = pg, g =9.81
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