Water flows in a steel pipe (ɛ = 0.00020 feet) at a flow Q = 12.5 cfs. The diameter of the pipe is D = 18 inches and the length of the pipe is L= 2,500 feet between section 1 and section 2. The elevation at section 1 is z1 = 100 feet above the datum. The elevation at section 2 is z2 = 75 feet above the datum. The temperature of the water is 70°F. The kinematic viscosity of the water is 1.06 × 10° ft'/s. The pressure at section 1 is p1 = 90 psig (pounds per square inch gage). a) Determine the velocity v in feet per second (fps). 7. uf7 b) Determine the Reynolds number Re. 1oolo44- c) Classify the flow based on the Reynolds number Re. d) Determine the Darcy-Weisbach friction factor f.
Water flows in a steel pipe (ɛ = 0.00020 feet) at a flow Q = 12.5 cfs. The diameter of the pipe is D = 18 inches and the length of the pipe is L= 2,500 feet between section 1 and section 2. The elevation at section 1 is z1 = 100 feet above the datum. The elevation at section 2 is z2 = 75 feet above the datum. The temperature of the water is 70°F. The kinematic viscosity of the water is 1.06 × 10° ft'/s. The pressure at section 1 is p1 = 90 psig (pounds per square inch gage). a) Determine the velocity v in feet per second (fps). 7. uf7 b) Determine the Reynolds number Re. 1oolo44- c) Classify the flow based on the Reynolds number Re. d) Determine the Darcy-Weisbach friction factor f.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Water flows in a steel pipe (e = 0.00020 feet) at a flow Q = 12.5 cfs. The diameter of the pipe is D = 18 inches
and the length of the pipe is L = 2,500 feet between section 1 and section 2. The elevation at section 1 is z =
100 feet above the datum. The elevation at section 2 is z2 = 75 feet above the datum. The temperature of the
water is 70°F. The kinematic viscosity of the water is 1.06 x 10 ft'/s. The pressure at section 1 is pi = 90 psig
(pounds per square inch gage).
047
a) Determine the velocity v in feet per second (fps). 7. 07
b) Determine the Reynolds number Re. 0olo4s
c) Classify the flow based on the Reynolds number Re.
d) Determine the Darcy-Weisbach friction factor f.
e) Determine the friction head loss hfäic in feet in the pipe between section 1 and section 2.
f) Determine the pressure p2 in psiq at section 2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b74525e-83fa-4d8b-828f-2efa6ed14962%2F385bc0a5-45d8-4975-8cac-cc859939e1ca%2Fujl95u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Water flows in a steel pipe (e = 0.00020 feet) at a flow Q = 12.5 cfs. The diameter of the pipe is D = 18 inches
and the length of the pipe is L = 2,500 feet between section 1 and section 2. The elevation at section 1 is z =
100 feet above the datum. The elevation at section 2 is z2 = 75 feet above the datum. The temperature of the
water is 70°F. The kinematic viscosity of the water is 1.06 x 10 ft'/s. The pressure at section 1 is pi = 90 psig
(pounds per square inch gage).
047
a) Determine the velocity v in feet per second (fps). 7. 07
b) Determine the Reynolds number Re. 0olo4s
c) Classify the flow based on the Reynolds number Re.
d) Determine the Darcy-Weisbach friction factor f.
e) Determine the friction head loss hfäic in feet in the pipe between section 1 and section 2.
f) Determine the pressure p2 in psiq at section 2.
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