Water is moving between two reservoirs at a flow rate of 0.08 m³/s via the pipes shown in the diagram (D₁ = 10 cm, D2 = 20 cm). Assume both pipes have a roughness ks = 0.08 mm. If the difference in water surface elevation between the two reservoirs is 70 m and L₁ = 50 m, what is the length of the larger pipe (L2)? Further, what is the entrance length of pipe 1? For what fraction of the length of pipe 1 is flow fully developed? Include form losses due to pipe components (entrance, expansion, and exit) in your calculations. For more info on component losses, use Table 10.5 and 0 = 180°. Water T = 20°C D₁ 4₁-4 D₂ 42
Water is moving between two reservoirs at a flow rate of 0.08 m³/s via the pipes shown in the diagram (D₁ = 10 cm, D2 = 20 cm). Assume both pipes have a roughness ks = 0.08 mm. If the difference in water surface elevation between the two reservoirs is 70 m and L₁ = 50 m, what is the length of the larger pipe (L2)? Further, what is the entrance length of pipe 1? For what fraction of the length of pipe 1 is flow fully developed? Include form losses due to pipe components (entrance, expansion, and exit) in your calculations. For more info on component losses, use Table 10.5 and 0 = 180°. Water T = 20°C D₁ 4₁-4 D₂ 42
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:3. Water is moving between two reservoirs at a flow rate of 0.08 m³/s via the pipes shown in
the diagram (D₁ = 10 cm, D₂ = 20 cm). Assume both pipes have a roughness ks = 0.08
mm. If the difference in water surface elevation between the two reservoirs is 70 m and
L₁ = 50 m, what is the length of the larger pipe (L2)? Further, what is the entrance length
of pipe 1? For what fraction of the length
of pipe 1 is flow fully developed? Include
form losses due to pipe components
(entrance, expansion, and exit) in your
calculations. For more info on component
losses, use Table 10.5 and 0 = 180°.
Water
T = 20°C
D₁
D₂
1₂2.
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