A fluid with a kinematic viscosity 1500 ft2/sec flows with an average velocity, v = 200 ft/sec through a round steel pipe with an inside diameter D=8 in, a relative roughness, 900 and a length of 60 ft. Within the length of the pipe there are two 90 deg standard elbow and a fully open globe valve. Determine the total energy loss within this pipe. Note: consider the velocity is same throughout the pipe.
A fluid with a kinematic viscosity 1500 ft2/sec flows with an average velocity, v = 200 ft/sec through a round steel pipe with an inside diameter D=8 in, a relative roughness, 900 and a length of 60 ft. Within the length of the pipe there are two 90 deg standard elbow and a fully open globe valve. Determine the total energy loss within this pipe. Note: consider the velocity is same throughout the pipe.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Fluid
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Expert Solution
Step 1
Given:
The kinematic viscosity is .
The average velocity is
The inside diameter of the pipe is .
The relative roughness is .
The length of the pipe is
Step 2
The head loss in elbow is given by,
... (1)
The pipe bend coefficient for the curve bend is,
Substitute the values in equation (1).
For fully open global valve.
The head loss for fully open global valve is calculated as,
Step 3
The Reynolds number is calculated as,
The friction factor is calculated as,
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