Please show complete given, required, schematic diagram, solution and discussion. Show all the formulas used and don't round off. Calculate the total head of a centrifugal pump and use the Darcy equation in computing the frictionhead in suction and discharge line. Consider the following data: water temperature = 60 ° F.,ZTOTAL=65 ft., flow of water = 1500 g.p.m., diameter of suction line = 8 in., diameter of dischargeline = 6 in., length of suction line = 10 ft., length of discharge line = 70 ft., turbulence loss insuction line = 0.3 ft., turbulence loss in discharge line = 0.6 ft., and pipe roughness corresponds to"best cast iron." Determine the total head which must be delivered by the pump.

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Answered: Calculate the total head of 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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Figure below shows the performance curve family of Model 5009 Centrifugal pumps of Taco Pump Inc., running at a fixed speed of N = 1160 rpm. For the pump with the impeller diameter D = 8.625 in., you are asked to determine the best efficiency point (BEP) of the given pump. What is the pump efficiency at BEP? HEAD IN FEET 50 0 0 0 0 40 20 10 O 81% 8.625" 30 (219mm). O 51% O 71% ○ 61% O Taco L/SEC 5 9.25" (235mm) 8.00" (203mm) 7.375" (187mm) 6.75" (171mm) 0 10 15 125 Model 5009 FI & CI Series 20 25 CURVES BASED ON CLEAR WATER WITH SPECIFIC GRAVITY OF 1.0 8 8 52 75% 77% 30 79% 1160 RPM FEBRUARY 19. 2002 35 40 45 REQUIRED NPSH olº 1.5HP (1.1KW) dot 17% Curve no. 2140 Min. Imp. Dia. 6.75" Size 6 x 5 x 9.0 50 55 60 75% 72% 250 375 500 625 FLOW IN GALLONS PER MINUTE 8% 2HP(1.5KW) 750 %09. 55% (2.2KW) 3HP 7.5HP(5.6KW) 2015 do 35% 875 FEET 15 12 -9 6 SHP(3.7KW) 3 0 10 8 NPSH 1000 HEAD IN METERS 5 KPo 45 -36 27 18 9 -0 100 -80 60 -40 2 -20 8 HEAD IN KILOPASCALS
Ex.2: In a test of the centrifugal pump shown in Fig. below, the following data are taken: py =100 mmHg (vacuum) and pz = 500 mmHg (gage). The pipe diameters are D1 = 12 cm and Dz = 5 cm. The flow rate is 180 gal/min of light oil (SG =0.91). Estimate (a) the head developed, in meters, and (b) the input power required at 75 percent efficiency. — -—
This course EHide block A centrifugal pump with the following impeller dimensions is used to pump water. The pump is running at 1000 rpm. The ideal head rise through the pump is 190 ft. b2 Poz 72 by The parameters of the impeller are as follows: r2= 9in, b2=3in, B2= 31° Take g= 9.81 m/s23 32.2 ft/s2 pw = 998 kg/m3 = 1.94 Slug/ft. Determine the theoretical flow rate in gpm Choose.. Determine the theoretical Power shaft in (hP) Choose...
Problem 5. Performance curves are available here at three different operating speeds, N = 1750, 2900, and 3500 rpm, for a family of stainless-steel pumps with closed impellers (SSPC1 250 Family) manufactured by American Stainless Pumps . (a) Make three tables (one for each N) at the best efficiency point, BEP, with the following columns: diameter, D (in), flowrate, Q (gpm), head, H₂ (ft), power, Wm (hp), efficiency, np, and specific speed in U.S. customary units, Ns,cu, and dimensionless, Ns. Use Web Plot Digitizer (the first 5 minutes of the tutorial video will show you how it works) to extract the data points for H₂ and at the BEP. (b) Use the scaling laws to produce the same table at N = 2900 rpm from the data at N = 3500 rpm. Briefly discuss the agreement between these two tables. (c) Plot N, versus D for all three values of N on the same figure. Briefly discuss the agreement of the curves.
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A centrifugal water pump designed to operate at 1200 rpm has dimensions Parameter Inlet Outlet Radius, r (mm) Blade width, b (mm) Blade angle, ß (deg) 90 150 10 7.5 25 45 Determine the flow rate at which the entering velocity has no tangential component. Evaluate the hydraulic power delivered by the pump, if its efficiency is 70%. Determine the head developed by the pump.
A pump, geometrically similar to the 12.95-in model inFig. , has a diameter of 24 in and is to develop 30 hpat BEP when pumping gasoline (not water). Determine(a) the appropriate speed, in r/min; (b) the BEP head, in ft;and (c) the BEP flow rate, in gal/min.
Would the smallest, or the largest, of the seven Taco, Inc.pumps in Fig. be better (a) for producing, near bestefficiency, a water flow rate of 600 gal/min and ahead of95 ft? (b) At what speed, in r/min, should this pump be run?(c) What input power is required?
Displacement (c): 0.2 in3/revShank diameter (d) = 0.625 in.Piston diameter (D) = 1.5 in.Rotation speed (n): 1725 RPMPressure (P): 600 PSIStroke (L) = 18in. a) Calculate the theoretical flow rate of the pump in in3/min and US GPM.Theoretical flow (Q) = Theoretical displacement (C) x Speed of revolution (n)Theoretical flow (Q) = 0.2 in3/rev x 1725 rpmTheoretical flow (Q) = 345 in3/min = 1.49 US GPM b) Calculate the cylinder output speed in in/s.Cylinder output speed (VS) = Piston side flow (Q) / Piston area (Ap)Cylinder output speed (VS) = (Displacement x Speed of revolution) / Piston area (Ap)Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2Cylinder output speed (VS) = 196.02in/s = 196.02 / 60s = 3.20 in/s Questions: c) Knowing the output velocity (ram speed), calculate the rod side flow in GPM when the ram is extending. d) Calculate the piston exit time in seconds. e) Calculate the piston entry time in…
A centrifugal pump has d1 = 7 in, d2 = 13 in, b1 =4 in,b2 = 3 in, β1 = 25°, and β2 = 40° and rotates at 1160 r/min.If the fluid is gasoline at 20°C and the flow enters the bladesradially, estimate the theoretical (a) flow rate in gal/min,(b) horsepower, and (c) head in ft.
EX1: Given are the following data for a commercial centrifugal water pump: r1 =10 cm, rz = 17.5 em, B1 =30°, B2 =20°, speed =1440 r/min. Estimate (a) the design point discharge, (b) the water horsepower, and (c) the head if bs = bz = 4.4 cm.(Hint. design point discharge, i.e €:=90°)

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