The allowable Net Positive Sustion Head (NPSH) for a pump provided by the manufacturerfor a flow of 0.05 m³/s is 3.3 m. The temperature of water is 30° C (vapour pressure head absolute = 0.44 m),atmosphere pressure is 100 kPa absolute and the head loss from the reservoir to pump is 0.3 N-m/N.Find the maximum height of the pump above the sustion reservoir.

Given:Flow, Q=0.05 m3/sNPSH of pump=3.3 mVapor pressure head=0.44 mAtmospheric pressure, P=100…

The allowable Net Positive Sustion Head (NPSH) for a pump provided by the manufacturer for a flow of 0.05 m³/s is 3.3 m. The temperature of water is 30° C (vapour pressure head absolute = atmosphere pressure is 100 kPa absolute and the head loss from the reservoir to pump is 0.3 N-m/N. Find the maximum height of the pump above the sustion reservoir.

The allowable Net Positive Sustion Head (NPSH) for a pump provided by the manufacturer for a flow of 0.05 m³/s is 3.3 m. The temperature of water is 30° C (vapour pressure head absolute = atmosphere pressure is 100 kPa absolute and the head loss from the reservoir to pump is 0.3 N-m/N. Find the maximum height of the pump above the sustion reservoir.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Situation 7: From reservoir A whose water surface elevation is 225 m. Water is pumped through a 350 mm pipe across a valley at a second reservoir B at a elevation of 240 m. During pump, the pressure is 570 kPa at a point C and at elevation of 195 m. Assume that the headloss in the pipe from reservoir A to point C is 30 times its velocity head and from point C to reservoir B is 50 times its velocity head 23. Compute the discharge in the pipeline in L/s 24. Compute the head added by the pump 25. Compute the horsepower exerted by the pump IVA E1225 m El 240 m El 195 m
1. Water is following steadily through a 50 m long section of a horizontal 5-cm diameter stainless steel pipe. The water temperature is 15°C and the flow rate is 9 L/s. Determine: a.) The pressure drop over the pipe length [kPa]. b.) The head loss [m]. c.) The pumping power needed to overcome the pressure drop (assume a pump efficiency of 67%) [kW]. 9 L/s 5 cm 50 m
Correct solution.
A Pump The oil tanks have a diameter of D = 12m. The initial depth of the oil in tank A is 20m, and in tank B the depth is 1 m. The pump delivers a constant head of 60 m. The connecting pipe has a diameter of b = 0.2m, and the head loss due to friction in the pipe is hyL = 8- Find the time required to fill tank B to 14m depth. (neglect minor losses)
.Calculate the stability of the intake box structure for water treatment plant with dimensions (5m long, 5m wide, 10m height). The flooded chamber is inside the box structure along the perimeter of dimensions (4m long, 4m wide, and 10m height ).
The pumping system below is used in a manufacturing process involving glycerin. Find the minimum pump head, E (P), required to prevent contamination of the piping system from reservoir B. the temperature of the glycerin is 60°F. Assume no losses in pipe 2 which connects reservoir B and node A. The check valve only allows flow from reservoir B to node A.
A 30 cm pipe is connected by a reducer to a 10 cm pipe. points 1 and 2 are along the same elevation. the pressure at 1 is 200 Kpa. the flow is 30 litres/s and the energy lost between 1 and 2 is equivalent to 20 Kpa. Compute the pressure at 2 if the liquid flowing is water.
Time: 60 Q1: pump puts 2kw in to the system. Find: b. The pressure in the pipe on section side of the pump (at C). a. Discharge. C 5 kPa L = 200 m 10m ↓ Air Water 55 marks 15 m P L = 50m D = 6 cm f = 0.025 D = 8 cm f = 0.030
(a) Water at temperature of 20 °C is pumped from a reservoir to a large open surface storage tank through a piping system with diameter of 10 cm as shown in Figure Q1. A pump with pump head rise ha = 32 – 1 × 10°Q²,Q = is m? installed in this system. Besides, the pipe's fitting components installed in this piping system such as tee and long radius 90° elbows are flanged type. The total pipe length for the entire piping system from reservoir to storage tank is 48 m while the pipe length from reservoir to pump suction side is 8 m. The friction factor of the pipe in this system is estimated to be 0.02. The elevation difference between the reservoir and storage tank are estimated to be 18 m. Water at 20°C D= 10 cm 18 m pump Reservoir Figure Q1
The commercial steel tube is then 100 m long and0.4 m in diameter. Calculate the height of the tower h, if the flow speed for7.95 m / s. Consider that losses are negligible and that losseswater temperature is 4 ° C
A pump draws 24L/s of water from reservoir A and lifts it to reservoir B. The head lost from A to 1 is 3 times the velocity head in the 150mm suction line and the head lost from 2 to B is 25 times the velocity head in the 100mm discharge line. (A) What is the power delivered by the pump to the system in hp? (B) What is the pressure head in meters in point 1? (C) What is the pressure head in meters in point 2?
Water at 10°C flows at the rate of 900 L/min from the reservoir and through the copper tube type K . Compute the pressure at point B, just considering the energy loss due to the straight pipe and neglecting the others losses(elbows and tank outlet)