Galvanized iron pipes with a roughness height of 0.40 cm are used to deliver water from reservoir A to reservoir B. There is a controlled outflow, Q₁, on the pipeline as shown in the figure. Diameters of pipes 1 and 2 are both 0.4 m and the lengths of pipes 1 and 2 are 400 m and 1000 m. respectively. (D-D-0.4 m, L-400 m, L-1000 m) 7100

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Chapter6: Forced Convection Over Exterior Surfaces
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Galvanized iron pipes with a roughness height of 0.40 cm are used to deliver water from
reservoir A to reservoir B. There is a controlled outflow, Q₁, on the pipeline as shown in the figure.
Diameters of pipes 1 and 2 are both 0.4 m and the lengths of pipes 1 and 2 are 400 m and 1000 m.
respectively.
(D-D-0.4 m, L-400 m, L-1000 m)
ZA 190 m
$
A
-0.19 m³/s
Q-0.11m/s
a) What is the discharge in pipe 1?
b) Calculate the average velocity in pipe 1.
Za-?
d) Calculate the frictional loss in pipe 1.
B
c) Estimate Darcy-Weisbach friction factor for pipe 1.
Transcribed Image Text:Galvanized iron pipes with a roughness height of 0.40 cm are used to deliver water from reservoir A to reservoir B. There is a controlled outflow, Q₁, on the pipeline as shown in the figure. Diameters of pipes 1 and 2 are both 0.4 m and the lengths of pipes 1 and 2 are 400 m and 1000 m. respectively. (D-D-0.4 m, L-400 m, L-1000 m) ZA 190 m $ A -0.19 m³/s Q-0.11m/s a) What is the discharge in pipe 1? b) Calculate the average velocity in pipe 1. Za-? d) Calculate the frictional loss in pipe 1. B c) Estimate Darcy-Weisbach friction factor for pipe 1.
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