How high will the exit water rise? Problem 06.033 - Water pumps from a reservoir through a vertial pipeWater at 20°C is pumped from a reservoir through a vertical tube 10.25 ft long and 1/16th inch in diameter. The pumpprovides a pressure rise of 11 lbf/in² to the flow. Neglect entrance losses. For water at 20°C, p = 998 kg/m³ = 1.94 slug/ft³,and = 0.001 kg/m-s = 2.09E-5 slug/ft-s.

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Answered: Problem 06.033 - Water pumps from a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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HAH 5.6.4. Consider a pump-pipeline system that delivers water from a reservoir A to B with the elevations EA = 45.5 m and EB = 52.9 m. The pipe has a length L = 3,050 m, diameter D = 0.50 m, and Darcy-Weisbach friction factor f = 0.02. Minor losses include an inlet, Kin = 0.5, exit Kexit = 1.0, and a swing-type check valve (see Table 8.2). The pump characteristics are shown in the following table. Q (m³/s) ho (m) 0.00 0.15 89.8 91.4 b. C. 0.30 0.45 0.60 85.1 77.2 65.9 0.75 52.6 0.90 1.05 15.7 36.3 a. Verify graphically that when a single pump is used in the pipeline, the flow rate is Q = 0.595 m³/s with a pump head of approximately h₁ = 66.3 m. Determine the flow rate if two identical pumps are used in series. Determine the flow rate if two identical pumps are used in parallel.
Q.2 A centrifugal pump is required to pump water to an open water tank situated 4 km away from the location of the pump through a pipe f diameter 0.2 m having Darcy's frřiction factor of 0.01. The average speed of waterinthe pipe is 2 m/s. If it is to maintain a constant heac of 5 m in the tank, neglecting other minor losses, the absolute discharge pressure at the pump exit is (a) 0.449 bar (c) 44.911 bar dund (b) 5.503 bar (d) 55.203 bar
A centrifugal pump is used to pump a liquid with the properties given below. Liquid is pumped from a storage tank at 95 kPa (a) to a discharge tank at 300 kPa (a). The system configuration is given in the table below. Table 1: system configuration Suction Discharge 4 50 Length (m) Diameter (m) 0.07 0.055 12 90° bends (L/D-35) 5 T piece (L/D=7) Gate valve (L/D-35) 1 1 1 2 Static height (m) 25 Liquid density = 1100 kg.m³ Viscosity = 1.5 x 10-³ Pa.s Vapour pressure of the liquid = 25 kPa (a) Material of construction of pipe is commercial steel, ε = 000045 m Table 2: Pump data 0 10 20 30 40 Flowrate (m³.hr¹) Head (m) 55 56 51 36 6 NPSH (m) 0 2 6 11 19 22 3.1. Graphically determine the optimal operating point of the pump in the above system using the pump data in Table 2. 3.2. Determine the NPSH of the system and determine whether the pump will cavitate when used in the above system.
The suction diameter of 60 mm reads 2 psi vacuum and 50 mm diameter discharge with 250 kpag. The suction water level is 5 m above water pump centerline with friction head loss of 0.5 m at suction pipes and discharge water level is 25 m above water pump centerline and head los at discharge pipe is 3 m. If discharge is 0.01 m^3/s, find the horsepower needed to pump the water for 70 percent pump efficiency.
An anaerobic digester (sealed, ID: 20 m) is used to produce renewable fuel from agricultural biomass. The head space pressure is maintained at 18.6 psi. A commercial steel pipe (20 cm) is connected to the bottom of the digester to remove the biofuel (y= 2000 N/m³, vapor pressure 0.2 psi) generated at 0.034 m³/s. A centrifugal pump (Taco® Model 4007, 7.00 in, operated at 1760 rpm) will be used. Assuming the head loss in the pipe is 225 ft, which of the following elevation can the pump be located? HEAD IN FEET 75 60 45 OO 15 Taco® L/SEC 5 0 7.50"(191mm) 6.00" (152mm). T I 30 5.50"(140mm) 0 7.00"(178mm) 6.50"(165mm) 10 O Both of these CURVES BASED ON CLEAR WATER WITH SPECIFIC GRAVITY OF 1.0 O Neither of these 15 125 Model 4007 FI & CI Series 20 25 O 30 ft below the liquid surface in the digester O 15 ft below the liquid surface in the digester 30 208 1760 RPM November 1, 2010 40 45 (2.2KW) 3HP 35 REQUIRED NPSH -82%1 80% LL 75%. 5HP (3 7KW) 250 375 500 625 FLOW IN GALLONS PER MINUTE Curve…
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Q.1 Acentrifugal pump running at 500 rpm and at its maximum efficien is delivering a head of 30 m at a flow rate of 60 litres per minute. Ift rpm is changed to 1000, then the head H in metres and flow rate C litres per minute at maximum efficiency are estimated to be (a) H= 60, Q = 120 (c) H = 60, Q = 480 (c) H = 120, Q = 120 (d) H= 120. Q-30 %3D %3D %3D %3D %3D
Q1 Acentrifugal pump running at 500 rpm and at its maximum efficiency is delivering a head of 30 m ata flow rate of 60 litres per minute. If the rpm is changed to 1000, then the head H in metres and flow rate Qin litres per minute at maximum efficiency are estimated to be (a) H 60, Q = 120 (c) H= 60, Q = 480 (c) H = 120, Q = 120 (d) H = 120, Q = 30 %3D %3D %3D
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4.1 The bucket ofa Pelton wheel which rotates at 100 rpm deflect the jet with diameter 50 cm through angle of 1600 while the relative velocity of the water is reduced by 10% due to friction. The bucket speed is 0,47 of the jet. The water is supplied from a reservoir 500 m above the nozzle, which operates with velocity coefficient of 0,97. Losses between the reservoir and nozzle amout to head loss of 50 m. The mechanical efficieny is 92%. Find 4.1.1 the wheel diameter. 4.1.2 the Euler head. 4
2300 kPa, liquid flow A pipeline with diameter of 0.2 m. If the inlet pressure = 2400 kPa, outlet pressure rate=0.009 m³/s, volumetric Gas Oil Ratio = 49, p-680 kg/m³, p=0.922 kg/m³, gas viscosity-0.015x10-³ Pa.s, and liquid viscosity =9.4x103 Pa.s, calculate the length of pipeline?

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