Fluid Mechanics Fundamentals And Applications
3rd Edition
ISBN: 9780073380322
Author: Yunus Cengel, John Cimbala
Publisher: MCGRAW-HILL HIGHER EDUCATION
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 8, Problem 185P
To determine
The electrical power input to the motor pump.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Design Description: Fresh water tank, immersed in an oil tank.a) Water tank:a. Shape: Cylindricalb. Radius: 1 meterc. Height: 3 metersd. Bottom airlock: 0.2m x 0.2m.
b) Oil tank:a. Shape: cylindricalb. Radius: 4 metersc. Oil density: 850 kg/m³
Determine:a) The pressure experienced by an airlock at the bottom of the tank with water.b) The force and direction necessary to open the lock, suppose the lock weighs 20 Newtons, suppose the lock opens outwards.
The image is for illustrative purposes, the immersed cylinder does not reach the bottom
Need help!
need help understanding?
Chapter 8 Solutions
Fluid Mechanics Fundamentals And Applications
Ch. 8 - Consider the flow of air and wale in pipes of the...Ch. 8 - Consider laminar flow in a circular pipe. Is the...Ch. 8 - What is hydraulic diameter? How is it defined?...Ch. 8 - How is the hydrodynamic entry length defined for...Ch. 8 - Why are liquids usually transported in circular...Ch. 8 - What is the physical significance of the Reynolds...Ch. 8 - Consider a person walking first in air and then in...Ch. 8 - Show that the Reynolds number for flow in a...Ch. 8 - Which fluid at room temperature requires a larger...Ch. 8 - What is the eneia1Iy accepted value of the...
Ch. 8 - How does surface roughness affect the pressure...Ch. 8 - Shown here is a cool picture of water being...Ch. 8 - Someone claims that the volume flow rate in a...Ch. 8 - Someone claims that the average velocity in a...Ch. 8 - Someone claims that the shear stress at the center...Ch. 8 - Someone claims that in fully developed turbulent...Ch. 8 - How does the wall shear stress w , vary along the...Ch. 8 - What fluid property is responsible for the...Ch. 8 - In the fully developed region of flow in a...Ch. 8 - How is the friction factor for flow in a pipe...Ch. 8 - Discuss whether fully developed pipe flow is one-,...Ch. 8 - Consider fully developed flow in a circular pipe...Ch. 8 - Consider fully developed laminar how in a...Ch. 8 - Explain why the friction factor is independent of...Ch. 8 - What is turbulent viscosity? What caused it?Ch. 8 - The head toss for a certain circular pipe is given...Ch. 8 - Consider fully developed laminar flow in a...Ch. 8 - How is head loss related to pressure loss? For a...Ch. 8 - Consider laminar flow of air in a circular pipe...Ch. 8 - What is the physical mechanism that causes the...Ch. 8 - The velocity profile for the fully developed...Ch. 8 - Prob. 32PCh. 8 - Water at 10°C ( =999.7kg/m3 and =1.307103kg/ms )...Ch. 8 - Consider an air solar collector that is 1 m wide...Ch. 8 - Heated air at 1 atm and 100F is to be transported...Ch. 8 - In fully developed laminar flow in a circular...Ch. 8 - The velocity profile in fully developed laminar...Ch. 8 - Repeat Prob. 8-36 for a pipe of inner radius 7 cm.Ch. 8 - Water at 15°C (p = 999.1 kg/m3 and = 1.138 × 10-3...Ch. 8 - Prob. 40PCh. 8 - Consider laminar flow of a fluid through a square...Ch. 8 - Repeat Prob. 8-39 for tribulent flow in smooth...Ch. 8 - Prob. 43PCh. 8 - Water at 70F passes through...Ch. 8 - Oil with p = 876 kg/m3 and = 0.24 kg/m.s is...Ch. 8 - Glycenii at 40 C with p = l22 kg/m3 and = 0.27...Ch. 8 - Air at 1 atm and 60 F is flowing through a 1 ft ×...Ch. 8 - Water enters into a cone of height H and base...Ch. 8 - The velocity profile for incompressible turbulent...Ch. 8 - Oil with a density of 850 kg/m3 and kinematic...Ch. 8 - In an air heating system, heated air at 40 C and...Ch. 8 - Glycerin at 40 C with p = 1252 kg/m3 and = 0.27...Ch. 8 - Oil at 80°F ( =56.8lbm/ft3 and =0.0278lbm/fts ) is...Ch. 8 - Liquid ammonia at 20 C is flowing through a...Ch. 8 - During a retrofitting project of a fluid flow...Ch. 8 - Define equivalent length for minor loss in pipe...Ch. 8 - The effect of rounding of a pipe inlet on the loss...Ch. 8 - The effect of rounding of a pipe exit on the loss...Ch. 8 - Which has a greater minor loss coefficient during...Ch. 8 - A piping system involves sharp turns, and thus...Ch. 8 - What is minor loss in pipe flow? How is the minor...Ch. 8 - Water is to be withdrawn from an 8-m-high water...Ch. 8 - Consider flow from a water reservoir through a...Ch. 8 - Repeat Prob. 8-62 for a slightly rounded entrance...Ch. 8 - A horizontal pipe has an abrupt expansion from...Ch. 8 - Water is pumped from a large lower reservoir to a...Ch. 8 - A piping system equipped with a pump is operating...Ch. 8 - Prob. 69CPCh. 8 - Consider two identical 2-m-high open tanks tilled...Ch. 8 - A piping system involves two pipes of different...Ch. 8 - A piping system involves two pipes of different...Ch. 8 - A piping system involves two pipes of identical...Ch. 8 - For a piping system, define the system curve, the...Ch. 8 - A 4-in-high cylindrical tank having a...Ch. 8 - Prob. 76PCh. 8 - The water needs of a small farm are to be met by...Ch. 8 - Prob. 78EPCh. 8 - A 2.4-m-diameter tank is initially filled with...Ch. 8 - A 3-m-diameter tank is initially filled with water...Ch. 8 - Reconsider Prob. 8-78. In order to drain the tank...Ch. 8 - Water to a residential area is transported at a...Ch. 8 - Prob. 83EPCh. 8 - Oil at 20 C is flowing through a vertical glass...Ch. 8 - Prob. 85PCh. 8 - Water at 15 C is drained from a large reservoir...Ch. 8 - A fanner is to pump water at 70 F from a river to...Ch. 8 - A water tank tilled with solar-heated vater at 4OC...Ch. 8 - Two water reservoirs A and B are connected to each...Ch. 8 - Prob. 91PCh. 8 - Prob. 92PCh. 8 - A certain pail of cast iron piping of a water...Ch. 8 - Repeat Prob. 8-91 assuming pipe A has a...Ch. 8 - Prob. 95PCh. 8 - Repeat Prob. 8-93 for cast lion pipes of the same...Ch. 8 - Water is transported by gravity through a...Ch. 8 - Water to a residential area is transported at a...Ch. 8 - Prob. 99PCh. 8 - Prob. 101PCh. 8 - A 6-m-tall chimney shown in Fig. P8103 is to be...Ch. 8 - Prob. 104PCh. 8 - Prob. 105CPCh. 8 - What is the difference between laser Doppler...Ch. 8 - What are the primary considerations when selecting...Ch. 8 - Prob. 108CPCh. 8 - Explain how flow rate is measured with...Ch. 8 - Prob. 110CPCh. 8 - Prob. 111CPCh. 8 - Prob. 112CPCh. 8 - The flow rate of water at 20°C (=998kg/m3) and...Ch. 8 - Prob. 114PCh. 8 - Prob. 115PCh. 8 - Prob. 116PCh. 8 - Prob. 117PCh. 8 - Prob. 118EPCh. 8 - Prob. 119EPCh. 8 - Prob. 120PCh. 8 - A Venturi meter equipped with a differential...Ch. 8 - Prob. 123PCh. 8 - Prob. 124PCh. 8 - Prob. 125PCh. 8 - Prob. 126EPCh. 8 - A 22-L kerosene tank (=820kg/m3) is filled with a...Ch. 8 - The flow rate of water at 20°C (p = 998 kg/m3 and ...Ch. 8 - Prob. 129PCh. 8 - Prob. 130PCh. 8 - The conical container with a thin horizontal tube...Ch. 8 - Shell-and-tube heat exchangers with hundred of...Ch. 8 - The compressed air requirements of a manufacturing...Ch. 8 - A house built on a riverside is to be cooled iii...Ch. 8 - The velocity profile in fully developed lamina,...Ch. 8 - Prob. 136EPCh. 8 - Repeat Prob. 8—136E assuming the pipe is inclined...Ch. 8 - Prob. 138PCh. 8 - Consider flow front a reservoir through a...Ch. 8 - Prob. 140PCh. 8 - A student is to determine the kinematic viscosity...Ch. 8 - A circular water pipe has an abrupt expansion from...Ch. 8 - Prob. 143PCh. 8 - Water at 15 C is to be dischaged froiti a...Ch. 8 - Two pipes of identical diameter and material are...Ch. 8 - A pipelme ihat Eransports oil ai 4OC at a iate of...Ch. 8 - Repeat Prob. 8-140 for hot-water flow of a...Ch. 8 - Prob. 149PCh. 8 - Prob. 152EPCh. 8 - Prob. 153EPCh. 8 - In a hydroelectric power plant. water at 20°C is...Ch. 8 - Prob. 155PCh. 8 - The water at 20 C in a l0-m-diameter, 2-m-high...Ch. 8 - Prob. 162PCh. 8 - Prob. 163PCh. 8 - Prob. 164PCh. 8 - Prob. 165PCh. 8 - Prob. 166PCh. 8 - Air at 1 atm and 20C flows in a 4-em-diameter...Ch. 8 - Consider laminar flow of water in a...Ch. 8 - Consider laminar flow of water at 15C in a...Ch. 8 - Engine oil at 40C(=876kg/m3,=0.2177kg/m.s) flows...Ch. 8 - A fluid flows in a 25-cm-diameter pipe at a...Ch. 8 - Watet flows in a I 5-cm-diameter pipe a, a...Ch. 8 - The pressure drop for a given flow is determined...Ch. 8 - Air at 1 atm and 25C(v=1.562X105m2/s) flows in a...Ch. 8 - Consider air flow in a 10-cm-diameter high...Ch. 8 - Air at 1 aim and 40 C flows in a 8-cm-diameter...Ch. 8 - Water at 10C(=999.7kg/m3,=1.307x103kg/m.s) is to...Ch. 8 - The valve in a piping system causes a 3.1 m head...Ch. 8 - Consider a sharp-edged pipe exit for fully...Ch. 8 - A water flow system involves a 180 return bend...Ch. 8 - A constant-diameter piping system involves...Ch. 8 - Air flows in an 8-cm-diameter, 33-m-long pipe at a...Ch. 8 - Consider a pipe that branches out into two...Ch. 8 - Prob. 184PCh. 8 - Prob. 185PCh. 8 - Prob. 186PCh. 8 - Prob. 187PCh. 8 - Design an experiment to measure the viscosity of...Ch. 8 - During a camping trip you notice that water is...
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
- %94 KB/S Find : 1. dynamic load on each bearing due to the out-of-balance couple; and 2. kinetic energy of the complete assembly. [Ans. 6.12 kg: 8.7 N-m] L 2. 3. 4. 5. 1. 2. 5. DO YOU KNOW? Why is balancing of rotating parts necessary for high speed engines? Explain clearly the terms "static balancing' and 'dynamic balancing'. State the necessary conditions to achieve them. Discuss how a single revolving mass is balanced by two masses revolving in different planes. Chapter 21: Balancing of Rotating Masses .857 Explain the method of balancing of different masses revolving in the same plane. How the different masses rotating in different planes are balanced? OBJECTIVE TYPE QUESTIONS The balancing of rotating and reciprocating parts of an engine is necessary when it runs at (a) slow speed (b) medium speed (c) high speed A disturbing mass, attached to a rotating shaft may be balanced by a single mass m, attached in the same plane of rotation as that of my such that (a) (b) F For static…arrow_forwardProvide a real-world usage example of the following: Straightness Circularity Parallelism What specific tools, jigs, and other devices are used to control the examples you provided?arrow_forward856 Theory of Machines 5. A shaft carries five masses A, B, C, D and E which revolve at the same radius in planes which are equidistant from one another. The magnitude of the masses in planes A, C and D are 50 kg, 40 kg and 80 kg respectively. The angle between A and C is 90° and that between C and D is 135° Determine the magnitude of the masses in planes B and E and their positions to put the shaft in complete rotating balance. [Ans. 12 kg, 15 kg; 130° and 24° from mass A in anticlockwise direction]arrow_forward
- 2. 3. 4. clockwise from Four masses A, B, C and D revolve at equal radii and are equally spaced along a shaft. The mass B is 7 kg and the radii of C and D make angles of 90° and 240° respectively with the radius of B. Find the magnitude of the masses A, C and D and the angular position of A so that the system may be completely balanced. [Ans. 5 kg: 6 kg; 4.67 kg; 205° from mass B in anticlockwise direction] A rotating shaft carries four masses A, B, C and D which are radially attached to it. The mass centres are 30 mm, 38 mm, 40 mm and 35 mm respectively from the axis of rotation. The masses A, C and D are 7.5 kg. 5 kg and 4 kg respectively. The axial distances between the planes of rotation of A and B is 400 mm and between B and C is 500 mm. The masses A and C are at right angles to each other. Find for a complete balance, 1. the angles between the masses B and D from mass A, 2. the axial distance between the planes of rotation of C and D. 3. the magnitude of mass B. [Ans. 162.5%,…arrow_forward1. Four masses A, B, C and D are attached to a shaft and revolve in the same plane. The masses are 12 kg. 10 kg. 18 kg and 15 kg respectively and their radii of rotations are 40 mm, 50 mm, 60 mm and 30 mm. The angular position of the masses B, C and D are 60°, 135° and 270 from the mass A. Find the magnitude and position of the balancing mass at a radius of 100 mm. [Ans. 7.56 kg: 87 clockwise from A]arrow_forward3. The structure in Figure 3 is loaded by a horizontal force P = 2.4 kN at C. The roller at E is frictionless. Find the axial force N, the shear force V and the bending moment M at a section just above the pin B in the member ABC and illustrate their directions on a sketch of the segment AB. B P D A 65° 65° E all dimensions in meters Figure 3arrow_forward
- 4. The distributed load in Figure 4 varies linearly from 3wo per unit length at A to wo per unit length at B and the beam is built in at A. Find expressions for the shear force V and the bending moment M as functions of x. 3W0 Wo A L Figure 4 2 Barrow_forward1. The beam AB in Figure 1 is subjected to a uniformly distributed load wo = 100 N/m. Find the axial force N, the shear force V and the bending moment M at the point D which is midway between A and B and illustrate their directions on a sketch of the segment DB. wo per unit length A D' B all dimensions in metersarrow_forward5. Find the shear force V and the bending moment M for the beam of Figure 5 as functions of the distance x from A. Hence find the location and magnitude of the maximum bending moment. w(x) = wox L x L Figure 5 Barrow_forward
- Dry atmospheric air enters an adiabatic compressor at a 20°C, 1 atm and a mass flow rate of 0.3kg/s. The air is compressed to 1 MPa. The exhaust temperature of the air is 70 degrees hottercompared to the exhaust of an isentropic compression.Determine,a. The exhaust temperature of the air (°C)b. The volumetric flow rate (L/s) at the inlet and exhaust of the compressorc. The power required to accomplish the compression (kW)d. The isentropic efficiency of the compressore. An accounting of the exergy entering the compressor (complete Table P3.9) assuming that thedead state is the same as State 1 (dry atmospheric air)f. The exergetic efficiency of the compressorarrow_forwardA heat pump is operating between a low temperature reservoir of 270 K and a high temperaturereservoir of 340 K. The heat pump receives heat at 255 K from the low temperature reservoir andrejects heat at 355 K to the high temperature reservoir. The heating coefficient of performance ofthe heat pump is 3.2. The heat transfer rate from the low temperature reservoir is 30 kW. The deadstate temperature is 270 K. Determine,a. Power input to the heat pump (kW)b. Heat transfer rate to the high-temperature reservoir (kW)c. Exergy destruction rate associated with the low temperature heat transfer (kW)d. Exergy destruction rate of the heat pump (kW)e. Exergy destruction rate associated with the high temperature heat transfer (kW)f. Exergetic efficiency of the heat pump itselfarrow_forwardRefrigerant 134a (Table B6, p514 of textbook) enters a tube in the evaporator of a refrigerationsystem at 132.73 kPa and a quality of 0.15 at a velocity of 0.5 m/s. The R134a exits the tube as asaturated vapor at −21°C. The tube has an inside diameter of 3.88 cm. Determine the following,a. The pressure drop of the R134a as it flows through the tube (kPa)b. The volumetric flow rate at the inlet of the tube (L/s)c. The mass flow rate of the refrigerant through the tube (g/s)d. The volumetric flow rate at the exit of the tube (L/s)e. The velocity of the refrigerant at the exit of the tube (m/s)f. The heat transfer rate to the refrigerant (kW) as it flows through the tubearrow_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