Question

1. Explain your understanding of what a pump's role is in a piping system. How are the piping network and the pump combined? A liquid is to be transferred through a 40 meter long, 12cm diameter pipe from an atmospheric reservoir tank to a pressurised column operating at 2 barg. The height of the liquid in the reservoir is 20 meters and liquid height in the column is 10 meters above the liquid height in the reservoir (illustrated in Figure 3). A pump is provided to achieve this which operates with the following characteristic curve: Q(m³/s) 0.0 0.05 0.08 0.10 0.13 0.16 H(m) 85 79 68 52 35 12 ? (%) 0 42 52 60 58 52 Assume that the friction factor is equal to 0.006 and secondary losses lead to an equivalent length of 15 meters. (i) Determine the flowrate of fluid which will be achieved using the pump provided (ii) Estimate the electrical energy required by the pump. Data: Fluid Properties: Density Viscosity 1200 kg/m³ 0.004 Pa.s

          1. Explain your understanding of what a pump's role is in a piping system. How are the
piping network and the pump combined?
A liquid is to be transferred through a 40 meter long, 12cm diameter pipe from an
atmospheric reservoir tank to a pressurised column operating at 2 barg. The height of
the liquid in the reservoir is 20 meters and liquid height in the column is 10 meters
above the liquid height in the reservoir (illustrated in Figure 3).
A pump is provided to achieve this which operates with the following characteristic
curve:
Q(m³/s) 0.0 0.05 0.08 0.10 0.13 0.16
H(m) 85 79 68 52 35 12
? (%) 0 42 52 60 58 52
Assume that the friction factor is equal to 0.006 and secondary losses lead to an
equivalent length of 15 meters.
(i) Determine the flowrate of fluid which will be achieved using the pump provided
(ii) Estimate the electrical energy required by the pump.
Data:
Fluid Properties:
Density
Viscosity
1200 kg/m³
0.004 Pa.s

1. Explain your understanding of what a pump's role is in a piping system. How are the
piping network and the pump combined?
A liquid is to be transferred through a 40 meter long, 12cm diameter pipe from an
atmospheric reservoir tank to a pressurised column operating at 2 barg. The height of
the liquid in the reservoir is 20 meters and liquid height in the column is 10 meters
above the liquid height in the reservoir (illustrated in Figure 3).
A pump is provided to achieve this which operates with the following characteristic
curve:
Q(m³/s) 0.0 0.05 0.08 0.10 0.13 0.16
H(m) 85 79 68 52 35 12
? (%) 0 42 52 60 58 52
Assume that the friction factor is equal to 0.006 and secondary losses lead to an
equivalent length of 15 meters.
(i) Determine the flowrate of fluid which will be achieved using the pump provided
(ii) Estimate the electrical energy required by the pump.
Data:
Fluid Properties:
Density
Viscosity
1200 kg/m³
0.004 Pa.s

Added by Ana G.

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