Question Water at 15°C is to be discharged from a reservoir at a rate of 18 L/s using two horizontal cast iron pipes connected in series and a pump between them. The first pipe is 22 m long (L, = 20 m) and has a 8- cm diameter (D, = 8 cm), while the second pipe is 40 m long (L2 = 35 m) and has a 6- cm diameter (D2 =6 cm). The water level in the reservoir is h = 30 m above the centerline of the pipe. Neglect the effect of the kinetic energy correction factor (a = 1) and use p = 1000 kg/m³ and u = 1.138 x 103 kg/m.s. %3! Water tank Pump D, D; You are required to: Determine the velocity and (AL the Reynolds number in Pipe 1. (B) the Reynolds number in Pipe 2. Determine the velocity and Determine the major losses (C) in Pipe 1 (h) knowing that f = 0.0294.
Question Water at 15°C is to be discharged from a reservoir at a rate of 18 L/s using two horizontal cast iron pipes connected in series and a pump between them. The first pipe is 22 m long (L, = 20 m) and has a 8- cm diameter (D, = 8 cm), while the second pipe is 40 m long (L2 = 35 m) and has a 6- cm diameter (D2 =6 cm). The water level in the reservoir is h = 30 m above the centerline of the pipe. Neglect the effect of the kinetic energy correction factor (a = 1) and use p = 1000 kg/m³ and u = 1.138 x 103 kg/m.s. %3! Water tank Pump D, D; You are required to: Determine the velocity and (AL the Reynolds number in Pipe 1. (B) the Reynolds number in Pipe 2. Determine the velocity and Determine the major losses (C) in Pipe 1 (h) knowing that f = 0.0294.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Water at 15°C is to be discharged from a
reservoir at a rate of 18 L/s using two
horizontal cast iron pipes connected in
series and a pump between them. The first
pipe is 22 m long (L, = 20 m) and has a 8-
cm diameter (D = 8 cm), while the second
pipe is 40 m long (L2 = 35 m) and has a 6-
cm diameter (D2 =6 cm). The water level
in the reservoir is h = 30 m above the
centerline of the pipe. Neglect the effect of
the kinetic energy correction factor (a = 1)
and use p = 1000 kg/m and u = 1.138 x 103
kg/m.s.
%3!
Water
tank
Pump
D,
D;
You are required to:
Determine the velocity and
the Reynolds number in Pipe 1.
Determine the velocity and
(AL
(B
the Reynolds number in Pipe 2.
(C)
in Pipe 1 (h) knowing that fj 0.0294.
Determine the major losses
Determine the major losses
(D)
in Pipe 2 (h2) knowing that f2 = 0.0331.
(ET
required pumping head and the minimum
pumping power to maintain the indicated
flow rate.
Determine the
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