Water is conveyed from the dam reservoir to the irrigation area by a horizontal pressure pipe system with a regular hexagonal cross-section, one side length a = 1 m oin the figure. The average velocity of the current is 2 m/s. The rough height of the flow pipe is e = 0 mm. Since the physical dimensions of the fluid are v=1.2*10m°/s (kinematic viscosity) and p = 1000 kg/m (specific mass): Area of Hexagon A=64 a) Determine the ope of flow in the pressure pipe (Ne). b)Calculate the relative roughness height (CD). V 1.5 km c) Calculate the friction coefficient fusing the Swames Jain equation given below. 1325 4x102 5. Water is conveyed from the dam ressrvoir to the irigation area by a horizontal pressure pipe system with a regularhexagonal cross-section, one side length a = 1 m oin the figure. The average velocity of the current is 2 mis. The rough height of theflow pipe is e = 6 mm. Since the płysical dimensions of the fluid are v=1.2x10 m'ls (kinematic viscosity) andp= 1000 kgini (specific mass);Area of Heragon A = 6a)Determine the ope of flow in the pressure pipe (Ng).b)Calculate the relative roughness height (e/D).1.5 kmc) Calculate the friction coefficientfusing the Swames-Jain equation given below.13254x10 < Ng < 1x10° ve 106

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Answered: Water is conveyed from the dam…

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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Water is conveyed from the dam reservoir to the irrigation area by a horizontal pressure pipe system with a regular hexagonal cross-section, one side length a = 1 m oin the figure. The average velocity of the current is 2 m/s. The rough height of the flow pipe is e = 0 mm. Since the physical dimensions of the fluid are v=1.2*10m°/s (kinematic viscosity) and p = 1000 kg/m (specific mass): Area of Hexagon A=64 a) Determine the ope of flow in the pressure pipe (Ne). b)Calculate the relative roughness height (CD). V 1.5 km c) Calculate the friction coefficient fusing the Swames Jain equation given below. 1325 4x102

5. Water is conveyed from the dam ressrvoir to the irigation area by a horizontal pressure pipe system with a regular
hexagonal cross-section, one side length a = 1 m oin the figure. The average velocity of the current is 2 mis. The rough height of the
flow pipe is e = 6 mm. Since the płysical dimensions of the fluid are v=1.2x10 m'ls (kinematic viscosity) and
p= 1000 kgini (specific mass);
Area of Heragon A = 6
a)Determine the ope of flow in the pressure pipe (Ng).
b)Calculate the relative roughness height (e/D).
1.5 km
c) Calculate the friction coefficientfusing the Swames-Jain equation given below.
1325
4x10 < Ng < 1x10° ve 106<e/p< 0.01 for f=j
d) Calculate the energy loss during the 1 km movement of the fluid. (h).
e) Calculate the shear stress on the wall of the preSsure pipe during flow.
) Calculate the viscous substrate thichness.
g) Determine the kydraulic behavior of the pips.
h) Check the kydraulic behavior of the pipe by comparing the viscous substrats thickness with the roughness height.
i) Calculate the pressure drop for 1 km of the pipe.

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