Fox And Mcdonald's Introduction To Fluid Mechanics
9th Edition
ISBN: 9781118921876
Author: Pritchard, Philip J.; Leylegian, John C.; Bhaskaran, Rajesh
Publisher: WILEY
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Chapter 10, Problem 36P
Appendix C contains area bound curves for pump model selection and performance curves for individual pump models. Use these data to verify the similarity rules for a Peerless Type 4AE12 pump, with impeller diameter D = 11.0 in., operated at 1750 and 3550 nominal rpm.
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P (6-5)
Two centrifugal pumps are connected in parallel in a given pumping system. Plot total
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basis of the following data:
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Operating data for pump 2
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Ah m.
0.0 35 30 25
Qim³/h. 169 209 239 265
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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
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Determine the theoretical Power shaft in (hP)
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A model of centrifugal pump coupled to 5.5 kW motor is found to deliver 15 litres/s ofwater against a head of 28 m at 1450 rpm. If the prototype is required to develop ahead of 60 m, determine its speed, power and flow capacity. A scale of 1:3 between model and protoytpe.
Chapter 10 Solutions
Fox And Mcdonald's Introduction To Fluid Mechanics
Ch. 10 - The geometry of a centrifugal water pump is r1 =...Ch. 10 - Find the resulting -groups when (a) D, , and Q or...Ch. 10 - Consider the centrifugal pump impeller dimensions...Ch. 10 - Dimensions of a centrifugal pump impeller areCh. 10 - Dimensions of a centrifugal pump impeller areCh. 10 - The blade is one of a series. Calculate the force...Ch. 10 - This blade is one of a series. What force is...Ch. 10 - A centrifugal water pump, with 15-cm-diameter...Ch. 10 - A centrifugal water pump designed to operate at...Ch. 10 - A series of blades, such as in Example 10.13,...
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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., calculate the power coefficient (Cp*) of the given pump at BEP if water is the fluid. HEAD IN FEET 0000 50 40 20 10 8.625" 30 (219mm). 0 O 0.821 O 0.731 O 0.467 aco 10 O 0.235 L/SEC 5 9.25" (235mm) 8.00" (203mm) 7.375" (187mm) 6.75" (171mm) 125 Model 5009 FI & CI Series 25 15 20 -do CURVES BASED ON CLEAR WATER WITH SPECIFIC GRAVITY OF 1.0 72% 75% 30 79% 1160 RPM FEBRUARY 19. 2002 40 3,5 45 REQUIRED NPSH 1.5HP (1.1KW) 79% 1⁰⁰ of 15² Curve no. 2140 Min. Imp. Dia. 6.75" Size 6 x 5 x 9.0 50 55 60 250 375 500 625 FLOW IN GALLONS PER MINUTE 72% 2HP(1.5KW) colo & 2⁰. It & SC- 09. 55% 5% 3HP (2.2KW) 7.5HP(5.6KW) 45% de 750 875 NGFEET 15 12 -9 -6 3 0 10 8 50 SHP(3.7KW) NPSH HEAD IN METERS 1000 r45 36 F27 18 -9 0 -100 --80 4 -40 -60 2 -20 -O HEAD IN KILOPASCALSarrow_forwardA single stage centrifugal pump has an impeller of 250 mm diameter which rotates at 1,800 rpm and lifts 60 lit/sec to 25 m with an efficiency of 70%. Obtain the number of stages and diameter of each impeller of a similar multi-stage pump to lift 75 lit/sec to 175 m at 1,500 rpm. (8 stages ; 280 mm dia)arrow_forward3. A centrifugal pump has d1 = 7 in., d2 = 13 in., b1 = 4 in., b2 = 3 in., 1 = 25, 2 = 40 and rotates at 1160 rev/min. If the fluid is gasoline at 20C and the flow enters the blades radially, Estimate the theoretical (a) flow rate, in gpm; (b) the water horsepower; and (c) the head in ft. b. flow rate Answer : _______________ gpmc. water horsepower Answer : _______________ HPd. head Answer : _______________ ftarrow_forward
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