Fox And Mcdonald's Introduction To Fluid Mechanics
9th Edition
ISBN: 9781118921876
Author: Pritchard, Philip J.; Leylegian, John C.; Bhaskaran, Rajesh
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 10, Problem 10P
A centrifugal water pump designed to operate at 1300 rpm has dimensions
Draw the inlet velocity diagram for a volume flow rate of 35 L/s. Determine the inlet blade angle for which the entering velocity has no tangential component. Draw the outlet velocity diagram. Determine the outlet absolute flow angle (measured relative to the normal direction). Evaluate the hydraulic power delivered by the pump if its efficiency is 75 percent. Determine the head developed by the pump.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Determine the least number of stages for a multi-stage pump to deliver 80 L/s against a total head of 240m when running at 1450
rpm if the specific speed (per stage) must not be less than 670.
Select the correct response:
6.
3.
4.
7.
8
A pump with an impeller diameter of 300 mm running at a speed of 2950 rev/min delivering 450 L/min of water at a head of 350 kPa is going
to be replaced by a geometrically similar spare pump running at a speed of 1450 rev/min delivering the same flow rate and head. Determine
the impeller size of the spare pump and the percentage increase (decrease) of power required for the spare pump.
OL. 380.1 mm; a decrease of 61.33%
OI., 380.1 mm; an increase of 38.77%
I. 147.5 mm; an increase of 3.4%
IV. 210.3 mm; a decrease of 83.1%
A radial bladed centrifugal pump running at 1440 rpm is to deliver 30 l/min of water against a head of 20 m. Assuming flow velocity as 3 m/s. Determine the diameter and width of the impeller at the outlet.
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,...
Ch. 10 - In passing through this blade system, the absolute...Ch. 10 - A centrifugal pump runs at 1750 rpm while pumping...Ch. 10 - A centrifugal water pump designed to operate at...Ch. 10 - Kerosene is pumped by a centrifugal pump. When the...Ch. 10 - In the water pump of Problem 10.8, the pump casing...Ch. 10 - Use data from Appendix C to choose points from the...Ch. 10 - Data from tests of a water suction pump operated...Ch. 10 - A centrifugal pump impeller having r1 = 50 mm, r2...Ch. 10 - A centrifugal pump impeller having dimensions and...Ch. 10 - An axial-flow fan operates in sea-level air at...Ch. 10 - Data measured during tests of a centrifugal pump...Ch. 10 - A small centrifugal pump, when tested at N = 2875...Ch. 10 - If the impeller of Problem 10.20 rotates between...Ch. 10 - At the outlet of a pump impeller of diameter 0.6 m...Ch. 10 - Typical performance curves for a centrifugal pump,...Ch. 10 - A pump with D = 500 mm delivers Q = 0.725 m3/s of...Ch. 10 - At its best efficiency point ( = 0.87), a...Ch. 10 - Using the performance curves in Appendix C, select...Ch. 10 - A pumping system must be specified for a lift...Ch. 10 - A centrifugal water pump operates at 1750 rpm; the...Ch. 10 - A set of eight 30-kW motor-pump units is used to...Ch. 10 - A blower has a rotor with 12-in. outside diameter...Ch. 10 - A centrifugal water pump has an impeller with an...Ch. 10 - Appendix C contains area bound curves for pump...Ch. 10 - Use data from Appendix C to verify the similarity...Ch. 10 - A centrifugal water pump has an impeller with...Ch. 10 - Catalog data for a centrifugal water pump at...Ch. 10 - A 1/3 scale model of a centrifugal water pump...Ch. 10 - Sometimes the variation of water viscosity with...Ch. 10 - A large deep fryer at a snack-food plant contains...Ch. 10 - Data from tests of a pump, with a...Ch. 10 - A four-stage boiler feed pump has suction and...Ch. 10 - A centrifugal pump operating at N = 2265 rpm lifts...Ch. 10 - A centrifugal pump is installed in a piping system...Ch. 10 - Part of the water supply for the South Rim of...Ch. 10 - Consider the flow system shown in Problem 8.94....Ch. 10 - Afire nozzle is supplied through 300 ft of...Ch. 10 - Performance data for a centrifugal fan of 3-ft...Ch. 10 - The performance data of Problem 10.57 are for a...Ch. 10 - Experimental test data for an aircraft engine fuel...Ch. 10 - Preliminary calculations for a hydroelectric power...Ch. 10 - Conditions at the inlet to the nozzle of a Pelton...Ch. 10 - A Francis turbine is to operate under a head of 46...Ch. 10 - A Kaplan (propeller with variable-pitch blades)...Ch. 10 - Francis turbine Units 19, 20, and 21, installed at...Ch. 10 - Measured data for performance of the reaction...Ch. 10 - For a flow rate of 12 L/s and turbine speed of 65...Ch. 10 - The velocity of the water jet driving this impulse...Ch. 10 - An impulse turbine is to develop 15 MW from a...Ch. 10 - An impulse turbine under a net head of 33 ft was...Ch. 10 - The absolute velocities and directions of the jets...Ch. 10 - A fanboat in the Florida Everglades is powered by...Ch. 10 - A jet-propelled aircraft traveling at 225 m/s...Ch. 10 - When an air jet of 1-in.-diameter strikes a series...Ch. 10 - The volume flow rate through the propeller of an...Ch. 10 - A typical American multi blade farm windmill has D...Ch. 10 - An airplane flies at 200 km/h through still air of...Ch. 10 - This ducted propeller unit drives a ship through...Ch. 10 - A model of an American multi blade farm windmill...Ch. 10 - A large Darrieus vertical axis wind turbine was...Ch. 10 - Show that this ducted propeller system when moving...Ch. 10 - This ducted propeller unit (now operating as a...Ch. 10 - What is the maximum power that can be expected...Ch. 10 - If an ideal windmill is operating at best...Ch. 10 - A prototype air compressor with a compression...Ch. 10 - Prob. 89PCh. 10 - We have seen many examples in Chapter 7 of...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
The copper shaft is subjected to the axial loads shown. Determine the displacement of end A with respect to end...
Mechanics of Materials (10th Edition)
ICA 8-20
A eutectic alloy of two metals contains the specific percentage of each metal that gives the lowest po...
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Find the no-load value of υo in the circuit shown.
Find υo when RL is 150 Ω.
How much power is dissipated in th...
Electric Circuits. (11th Edition)
Explore the data included in Table 4-9. Assume that the primary key of this relation consists of two components...
Modern Database Management
If cardSuit is an instance of Suit and is assigned the value Suit.SPADES, what is returned by each of the follo...
Java: An Introduction to Problem Solving and Programming (8th Edition)
When working with this type of file, you can jump directly to any piece of data in the file without reading the...
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
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
- Determine the head developed by a multi-stage pump delivering 50 L/s when running at 1450 rpm if the specific speed must not be less than 760. Select the correct response 56.arrow_forwardDetermine the least number of stages for a multi-stage pump to deliver 80 L/s against a total head of 240m when running at 1450 rpm if the specific speed (per stage) must not be less than 670. Select the correct response: 4 3 6 5 8 7 carrow_forwardCalculate the inlet blade velocity (m/s) of the Francis turbine that receives water under net head of 31 m and the speed ratio is 0.85. Assume the gravitational acceleration of 9.81m/s². Answer to 2 decimalsarrow_forward
- Analyze to select the type of the turbine when its diameter is 600 mm, rotational speed is 600 rpm and working under a water head of 120 meters. The buckets deflect the 100 mm diameter jet through an angle of 165°. Take the coefficient of velocity for the nozzle as 0.97. Use Table given below for selection of turbine. Sr. # Specific speed (rpm) Type of turbine 1 8-30 Pelton wheel with one nozzle 30 - 50 Pelton wheel with 2 or more nozzles 50-250 Francis turbine 4 250-1000 Kaplan turbine 2. 3.arrow_forward1 The internal and external diameters of the impeller of a centrifugal pump are 200 mm and 400 mm respectively. The pump is running at 1200 rpm. Forward blades make an angle of 150o at exit and at inlet the angle is 20o. The blade thicknesses at the inlet and outlet are 100mm and 70mm respectively. The hydraulic efficiency of the pump is 87%. Assume the water enters the impeller radially. i Draw neatly the outlet velocity diagram and the inlet velocity diagram. ii Find the Euler power of the pump. iii Find the net Head of the pump. Ans: (ii)140.65W; (iii) 43.42marrow_forward- A centrifugal pump with an impeller diameter of 350mm and specific speed of 19.15 and requires 15 kW to discharge 2.4 m³ /min of water, and runs at 1800 rpm. Determine the discharge, head and power required when the pump runs at 2400 rpm. The same discharge could be obtained by altering the impeller diameter without changing the rotational speed for this case find the new diameter of the impeller the head and the power required.arrow_forward
- The impeller of a centrifugal pump is 0.5 m in diameter and rotates at 1200 r .p. m . ; blades are curved back to an angle of 30⁰ to the tangent at outlet tip . If the measured velocity of flow at outlet is 5 m/ sec. If the pump is provided with whirlpool chamber which reduces the velocity of water by 50%.Net pressure energy at pump outlet *pressure head at impeller outlet And work input /kg of water/secarrow_forwardProblem 1(5): A centrifugal pump transports water between two reservoirs. The pump has an outer diameter of 15 cm, an inner diameter of 8 cm, and a blade width of 2 cm and operates at 1750 rpm. If the water enters the pump axially at ẞ₁ = 45º¸ compute the volume flow rate, Problem 2(10): In the pump of problem 1, the water exits at B₂ 65° when the pump is driven at 1750 rpm. = Compute the minimum power required by the pump?arrow_forwardUse inlet and outlet velocity triangle please show all work to find the the powerarrow_forward
- It is proposed to design a homologous model for a centrifugal pump.the prototype pump is to run at 600rpm and develop 30m head the flow rate being 1 m^3/s. The model of 1/4 scale is to run at 1450 rpm. Determine the head developed discharge and power required for the model. Overall efficiency is 80%.arrow_forward| Centrifugal pump impeller runs at 950 rpm. Its external and internal diameters are 500 mm and 250 mm. The vanes are set back at an angle of 35° to the outer rim. If the radial velocity of water through the impeller be maintained constant as 2 m/sec, find the angle of the vanes at inlet, the velocity and direction of water at outlet and the work done by the impeller per kg of waterarrow_forward18. A centrifugal pump has to work against a head of 25 metres at a speed of 850 rpm. The flow component of the velocity at outlet is 2'5 metreajeccond. The outlet vane angle is 40°. If the discharge of the pump is 0 25 cumeo find (i) The diameter of the impeller and (ii) The width of the impeller at outlet. Neglect losses. (0:387 m; 0'082 m)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Fluid Mechanics - Viscosity and Shear Strain Rate in 9 Minutes!; Author: Less Boring Lectures;https://www.youtube.com/watch?v=_0aaRDAdPTY;License: Standard youtube license