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?

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?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Field applications of hydraulic conductivity

Hydraulic conductivity is one of the hydraulic properties of soil defined as a measurement of the ability of a porous medium to permit water movement or fluid flow through it. It is denoted by the letter K. It is influenced by the density and viscosity of the fluid. It is also called permeability. Hydraulic conductivity is defined as the ratio of velocity to the hydraulic gradient. The different methods used to determine the hydraulic conductivity are laboratory methods (constant head permeability tests and falling head tests), in-situ field methods (pumping in and pumping out tests), small scale field tests (infiltration tests and slug tests), and indirect methods such as estimation from grain size, consolidation test data, and horizontal capillary test. The pedotransfer function (PTF) method is a specific empirical estimating approach employed in the soil sciences is also used to determine the hydraulic conductivity of the soil.

Question

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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

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