Example: A pump take brine solution at a tank and transport it to another in a process plant situated 18 m above the level in the first tank. 300 m of 95 mm i.d. pipe is available sp.gr. of brine is 1.2 and u = 1.5 cp. The absolute roughness of pipe is 0.04 mm and f= 0.0065. Calculate the rate of flow for the pump (i) the power required for pump if n = 0.65. (ii) if the vapor pressure of water over the brine solution is 4530 pa calculate the NPSH available, if suction line length is 30 m.
Example: A pump take brine solution at a tank and transport it to another in a process plant situated 18 m above the level in the first tank. 300 m of 95 mm i.d. pipe is available sp.gr. of brine is 1.2 and u = 1.5 cp. The absolute roughness of pipe is 0.04 mm and f= 0.0065. Calculate the rate of flow for the pump (i) the power required for pump if n = 0.65. (ii) if the vapor pressure of water over the brine solution is 4530 pa calculate the NPSH available, if suction line length is 30 m.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Example: A pump take brine solution at a tank and transport it to another in a
process plant situated 18 m above the level in the first tank. 300 m of 95 mm i.d.
pipe is available sp.gr. of brine is 1.2 and µ = 1.5 cp. The absolute roughness of
pipe is 0.04 mm and f= 0.0065. Calculate
the rate of flow for the pump
(i) the power required for pump if ŋ = 0.65.
(ii) if the vapor pressure of water over the brine solution is 4530 pa
calculate the NPSH available, if suction line length is 30 m.
Q (m^3/sec)
Ah(m)
0.0049 0,0065
0.01
0.018
0.03
0.046
0.055
30
27
20
18
15
12
10
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