Water (p =1000 kg/m , p=1.59×103 kg /m.s) is flowing with the velocity of 0.25 m/s through a smooth pipe with the diameter of 1 cm at 25 °C. i. Calculate the head loss in 1 m of the pipe. ii. Calculate the head loss if the water velocity increases to 1 m/s.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Water (p =1000 kg/m , p=1.59×103 kg /m.s) is flowing with the velocity of 0.25 m/s through a
smooth pipe with the diameter of 1 cm at 25 °C.
i.
Calculate the head loss in 1 m of the pipe.
ii.
Calculate the head loss if the water velocity increases to 1 m/s.
Transcribed Image Text:Water (p =1000 kg/m , p=1.59×103 kg /m.s) is flowing with the velocity of 0.25 m/s through a smooth pipe with the diameter of 1 cm at 25 °C. i. Calculate the head loss in 1 m of the pipe. ii. Calculate the head loss if the water velocity increases to 1 m/s.
Expert Solution
Step 1

i.

The diameter of pipe is 1 cm = 0.01 m initially and then changed to 1 m. So it is the case of sudden expansion.

 

Step 2

From continuity equation the velocity in 1 m of pipe is calculated as,

Civil Engineering homework question answer, step 2, image 1

Step 3

The formula of head loss in sudden expansion is given by,

Civil Engineering homework question answer, step 3, image 1

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