A manufacturer tested one of its pump models at 2133.5 rpm and derived the characteristics as shown in the figure on the left. Being satisfied with the model, the manufacturer decided to make a prototype that is 4 times larger than the model for one of its clients. The prototype pump is going to be operated at a shaft speed of 100 rpm to deliver 6000 GPM of water. What will most approximately be the pump efficiency of the prototype when it is on duty? Head, m; power, kW 0 0 0 0 250 200 150 100 O 62% O 22% O 42% O 82% Efficiency 0.05 Head (AH), m N = 2133.5 rpm n = 35.6 rps D = 37.1 cm 0.10 0.15 Discharge, m³/s Power input, kW 0.20 0.25 100 80 60 40 20 0 Efficiency, percent 5 4 C# 3 1 0 0 Efficiency. 0.04 Cp 0.08 Co CH 0.12 1.00 0.75 0.50 0.25 0 0.16 Cp and efficiency

A manufacturer tested one of its pump models at 2133.5 rpm and derived the characteristics as shown in the figure on the left. Being satisfied with the model, the manufacturer decided to make a prototype that is 4 times larger than the model for one of its clients. The prototype pump is going to be operated at a shaft speed of 100 rpm to deliver 6000 GPM of water. What will most approximately be the pump efficiency of the prototype when it is on duty? Head, m; power, kW 0 0 0 0 250 200 150 100 O 62% O 22% O 42% O 82% Efficiency 0.05 Head (AH), m N = 2133.5 rpm n = 35.6 rps D = 37.1 cm 0.10 0.15 Discharge, m³/s Power input, kW 0.20 0.25 100 80 60 40 20 0 Efficiency, percent 5 4 C# 3 1 0 0 Efficiency. 0.04 Cp 0.08 Co CH 0.12 1.00 0.75 0.50 0.25 0 0.16 Cp and efficiency

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

See similar textbooks

Related questions

Q: calculate the Displacement Volume, VD (m3)

Q: The following data refer to a Pelton wheel: the bucket angle b=165°, the coefficient of discharge…

Q: Shown in the Figure is the complete pump performance chart for a 3×4-10 centrifugal pump at 1750…

A: Given Total head, H = 50 ft = 15.24 m Speed, N = 1750 rpm Flow rate, Q = 200 gal/min =…

Q: A 4x3-13 1750 rpm centrifugal pump equipped w/ an 11-inch diameter impeller requires 14.3bhp when…

Q: A water pump produces a flow of 8 ft" /s and a power of 4 hp, using an 11-in.-diameter impeller.…

A: The volume flowrate of fluid passing through a cross section can be determined as the product of…

Q: How many seconds in total willl it take for a 1.5-inch diameter cylinder with a 1-inch diameter rod…

Q: A system requires a pump to deliver 30 gal/min at 1500 lbf/in2 at an engine speed of 2000 rpm.…

A: We know that volume flow rate is the product of displacement volume and speed of engine so this is…

Q: bar. Calculate the theoretical and actual flow if it has a volumetric efficiency of 88%, the real…

A: we have to determine the flow rate and power

Q: A pump has a displacement volume of 6 in^3. It delivers 24 gpm at 1000 rpm and 1000 psi. If the…

A: The displacement volume is The rotational speed is The pressure is The input torque is The discharge…

Q: determine the rotation rate for the smaller , homologus pump . Using ONLY AFFINITY LAWS

A: To calculate the rotation rate of the smaller pumpgiven flow rategiven head of the pumpspeed of the…

Q: A pump has a displacement volume of 6 in^3. It delivers 24 gpm at 1000 rpm and 1000 psi. If the…

A: The theoretical torque required.Given:The displacement volume is .The rotor speed is .The pressure…

Q: Centrifugal pump impeller runs at 950 rpm. Its external and internal diameters are 500 mm and 250…

A: Given: The speed of impeller, N = 950 rpm The external diameter of impeller, D = 500 mm The internal…

Q: A pump, geometrically similar to the 12.95-in model inFig. , has a diameter of 24 in and is to…

A: For water, ρ1 = 1.94 slug.ft3For gasoline, from Table A.3, ρ2 = 680 kg/m3 = 1.32 slug.ft3 From…

Q: What size pump is needed to supply 10 gpm to a cylinder when the electric motor is rotating at 1725…

A: Given : V = 10gpm = 10 gallon per minute N = 1725 rpm = 1725 rev per minute

Q: A centrifugal pump transports water between two reservoirs. The pump has an outer diameter of 15 cm,…

A: The outer diameter of the pump is..The inner diameter of the pump is..The width of the blade is..The…

Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

A manufacturer tested one of its pump models at 2133.5 rpm and derived the characteristics as shown in the figure on the left. Being satisfied with the model, the manufacturer decided to
make a prototype that is 4 times larger than the model for one of its clients. The prototype pump is going to be operated at a shaft speed of 100 rpm to deliver 6000 GPM of water. What will
most approximately be the pump efficiency of the prototype when it is on duty?
Head, m; power, kW
oooo
250
200
150
100
O 62%
O 22%
O 42%
50
O 82%
0
Efficiency
0.05
Head (AH), m
N=2133.5 rpm
n = 35.6 rps
D = 37.1 cm
0.10
0.15
Discharge, m³/s
Power input, kW
0.20
0.25
100
80
60
40
20
Efficiency, percent
5
4
CH 3
2 H
1
0
0
Efficiency, n
0.04
C
0.08
Co
CH
0.12
1.00
0.75
0.50
0.25
0
0.16
Cp and efficiency

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Write the given data.

VIEW

Step 2: Find out the pump efficiency of prototype when it is on duty.

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Solve fast with Proper Equation. 1. A centrifugal pump delivers 2.5 cfs of water against a head of 25 ft at 1500 rpm and requires 10 hp. If the speed is reduced to 1250 rpm calculate the power , assuming the same efficiency. Select one: a. 17.3 kW b. 13.7 kW c. 5.8 kW d. 8.5 kW
Please provide correct solution plz
For Questions 3 to 5 A certain centrifugal pump was tested and its performance curves can be approximated as follows: H = 340 - 1.2(Q^2), in feet BP = (0.0521Q^3) + (1.250^2)+(11.042Q) + 134.5, in horsepower where Q is in ft^3/s. Question 3 If a single pump is used to deliver water of a system which requires a total of 8 ft^3/s, what is the efficiency of the pump (in %)? Take the specific weight of water to be 62.4 lbf/ft^3. Round your answer to 2 decimal places.
A scale model of a pump has been tested and the following results obtained. Impeller diameter (D) 110mm Power input (P) 2.5kW Speed (N) 1500 r.p.m. Flow (Q) 14.5 litres/sec Head (H) 17m Efficiency (E) 60% You are to determine the speed and size of a geometrically similar pump which would deliver a flow rate of 25 litres/sec against a 22m resistance head. Determine the power input required by this pump.
The answer is one of the options below please solve carefully and circle the correct option Please write clear .
Hydrodynamics pumps 5. A centrifugal pump has r1 = 6 in., r2 = 12 in., b1 = 3 in., b2 = 2 in., β1 = 20°, β2 = 10° and rotates at 1200 rev/min. If the fluid is water at 60°F, estimate the theoretical (a) flow rate, in gpm; (b) the head in ft; and ( c) the water horsepower, HP. Assume near-radial entry flow. a. flow rate Answer : ____________________ gpmb. head Answer : ____________________ ftc. water horsepower Answer : ____________________ HP
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…
can you please find solution for this question
Title of the book: Fluid Power, Theory and Applications, 3rd Edition, James A. Sullivan