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Water flows from the ground floor to the third floor in a 4-storey building through a pipe 50 mm in diameter at a rate of 2 L/s and according to the diagram below.  The water flows out from the system through a tap with an opening diameter of 15 mm. Q. Calcualte the pressure at point 1

Water flows from the ground floor to the third floor in a 4-storey building through a pipe 50 mm in diameter at a rate of 2 L/s and according to the diagram below.  The water flows out from the system through a tap with an opening diameter of 15 mm. Q. Calcualte the pressure at point 1

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Water flows from the ground floor to the third floor in a 4-storey building through a pipe 50 mm in diameter at a rate of 2 L/s and according to the diagram below.  The water flows out from the system through a tap with an opening diameter of 15 mm.

Q. Calcualte the pressure at point 1

Friction factor, f 0.1 0.01 0.001 Laminar 1.E+02 1.E+03 I + i i T Transition . T i 1.E+04 Moody Diagram 1.E+05 Re Turbulent 1.E+06 1.E+07 1.E+08 1.E+09 ε/D -5.00E-02 -4.00E-02 -3.00E-02 -2.50E-02 -2.00E-02 -1.50E-02 -1.00E-02 -8.00E-03 -6.00E-03 -4.00E-03 -3.00E-03 -2.00E-03 -1.50E-03 -1.00E-03 -8.00E-04 -4.00E-04 2.00E-04 -1.00E-04 -5.00E-05 -1.00E-05
Transcribed Image Text:Friction factor, f 0.1 0.01 0.001 Laminar 1.E+02 1.E+03 I + i i T Transition . T i 1.E+04 Moody Diagram 1.E+05 Re Turbulent 1.E+06 1.E+07 1.E+08 1.E+09 ε/D -5.00E-02 -4.00E-02 -3.00E-02 -2.50E-02 -2.00E-02 -1.50E-02 -1.00E-02 -8.00E-03 -6.00E-03 -4.00E-03 -3.00E-03 -2.00E-03 -1.50E-03 -1.00E-03 -8.00E-04 -4.00E-04 2.00E-04 -1.00E-04 -5.00E-05 -1.00E-05
(1) 1.5 m 90⁰ 90⁰ 1.5 m 3.5 m 1.5 m Glove valve 90⁰ - density of water, 1 g/cm³ - consider absolute pressure 90⁰ - loss coefficient of 450 elbow, K₁=0.4 - loss coefficient of glove valve, K₁=10 - loss coefficient of tap, KL=2 - dynamic viscosity of water, 1.12x10-3 kg/m.s 2.5 m 3.5 m 45° 4 m 90° Considering the following additional data and the Moody diagram below: -pipe is made of plastic with roughness coefficient Ks=0.03 mm - loss coefficient of 90° elbow, KL=0.9 3.0 m 90⁰ 45⁰ 2.5 m 3.0 m 1.5 m Glove valve Tap (2)
Transcribed Image Text:(1) 1.5 m 90⁰ 90⁰ 1.5 m 3.5 m 1.5 m Glove valve 90⁰ - density of water, 1 g/cm³ - consider absolute pressure 90⁰ - loss coefficient of 450 elbow, K₁=0.4 - loss coefficient of glove valve, K₁=10 - loss coefficient of tap, KL=2 - dynamic viscosity of water, 1.12x10-3 kg/m.s 2.5 m 3.5 m 45° 4 m 90° Considering the following additional data and the Moody diagram below: -pipe is made of plastic with roughness coefficient Ks=0.03 mm - loss coefficient of 90° elbow, KL=0.9 3.0 m 90⁰ 45⁰ 2.5 m 3.0 m 1.5 m Glove valve Tap (2)
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