Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 14, Problem 44P
Comparing the results of Probs. 14-39 and 14-43, the volume flow rate increases as expected when one doubles the inner diameter of the pipe. One might expect that the Reynolds number increases as well. Does it? Explain.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
(a)
The head loss in 60 meter of 15 cm diameter pipe is known to be 8 meter when oil
(s=0.90) of viscosity 0.04 N.s/m? flows at 0.06 m³/s. Determine the centerline velocity, the
shear stress at the wall of the pipe and the velocity at 5 cm from the centerline.
Water at 303k s flowing at the rate
-4
6.3 X10 m²/s
of
an inside diameter (16)
in a pipe having án inside diameter Cib)
52-5mm.' e Reynolds number.
Calculate the
Given Density of water at 303k
water is 0.8cp
is 996 kq lm3.
Im?
Viscosity of
H.W. (a) Derive an expression for the volumetric flow rate of a fluid flowing through an orificemeter. Write down
the advantages and disadvantages of using orificemeter over a venturimeter. (b) Water is flowing through a
pipeline of 50 cm ID at 30°C. An orifice is placed in the pipeline to measure the flow rate. Orifice diameter is 20
cm. If the manometer reads 30 cm of Hg, calculate the water flow rate and velocity of the fluid through the pipe.
pwater at 30°C = 987 kg/m³. p = 13600 kg/m. Orifice co-efficient. = 0.6
3/5/2024
61
OPE
Chapter 14 Solutions
Fluid Mechanics: Fundamentals and Applications
Ch. 14 - What is the more common term for an...Ch. 14 - What the primary differences between fans,...Ch. 14 - List at least two common examples of fans, of...Ch. 14 - Discuss the primary difference between a porn...Ch. 14 - Explain why there is an “extra” term in the...Ch. 14 - For a turbine, discuss the difference between...Ch. 14 - Prob. 7CPCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10CP
Ch. 14 - There are three main categories of dynamic pumps....Ch. 14 - For each statement about cow cetrifugal the...Ch. 14 - Prob. 13CPCh. 14 - Consider flow through a water pump. For each...Ch. 14 - Write the equation that defines actual (available)...Ch. 14 - Consider a typical centrifugal liquid pump. For...Ch. 14 - Prob. 17CPCh. 14 - Consider steady, incompressible flow through two...Ch. 14 - Prob. 19CPCh. 14 - Prob. 20PCh. 14 - Suppose the pump of Fig. P1 4-19C is situated...Ch. 14 - Prob. 22PCh. 14 - Prob. 23EPCh. 14 - Consider the flow system sketched in Fig. PI 4-24....Ch. 14 - Prob. 25PCh. 14 - Repeat Prob. 14-25, but with a rough pipe-pipe...Ch. 14 - Consider the piping system of Fig. P14—24. with...Ch. 14 - The performance data for a centrifugal water pump...Ch. 14 - For the centrifugal water pump of Prob. 14-29,...Ch. 14 - Suppose the pump of Probs. 14-29 and 14-30 is used...Ch. 14 - Suppose you are looking into purchasing a water...Ch. 14 - The performance data of a water pump follow the...Ch. 14 - For the application at hand, the flow rate of...Ch. 14 - A water pump is used to pump water from one large...Ch. 14 - For the pump and piping system of Prob. 14-35E,...Ch. 14 - A water pump is used to pump water from one large...Ch. 14 - Suppose that the free surface of the inlet...Ch. 14 - Calculate the volume flow rate between the...Ch. 14 - Comparing the results of Probs. 14-39 and 14-43,...Ch. 14 - Prob. 45PCh. 14 - The performance data for a centrifugal water pump...Ch. 14 - Transform each column of the pump performance data...Ch. 14 - 14-51 A local ventilation system (a hood and duct...Ch. 14 - Prob. 52PCh. 14 - Repeat Prob. 14-51, ignoring all minor losses. How...Ch. 14 - Suppose the one- way of Fig. P14-51 malfunctions...Ch. 14 - A local ventilation system (a hood and duct...Ch. 14 - For the duct system and fan of Prob. 14-55E,...Ch. 14 - Repeat Prob. 14-55E, ignoring all minor losses....Ch. 14 - A self-priming centrifugal pump is used to pump...Ch. 14 - Repeat Prob. 14-60. but at a water temperature of...Ch. 14 - Repeat Prob. 14-60, but with the pipe diameter...Ch. 14 - Prob. 63EPCh. 14 - Prob. 64EPCh. 14 - Prob. 66PCh. 14 - Prob. 67PCh. 14 - Prob. 68PCh. 14 - Prob. 69PCh. 14 - Two water pumps are arranged in Series. The...Ch. 14 - The same two water pumps of Prob. 14-70 are...Ch. 14 - Prob. 72CPCh. 14 - Name and briefly describe the differences between...Ch. 14 - Discuss the meaning of reverse swirl in reaction...Ch. 14 - Prob. 75CPCh. 14 - Prob. 76CPCh. 14 - Prob. 77PCh. 14 - Prob. 78PCh. 14 - Prob. 79PCh. 14 - Prob. 80PCh. 14 - Wind ( =1.204kg/m3 ) blows through a HAWT wind...Ch. 14 - Prob. 82PCh. 14 - Prob. 84CPCh. 14 - A Francis radial-flow hydroturbine has the...Ch. 14 - Prob. 87PCh. 14 - Prob. 88PCh. 14 - Prob. 89PCh. 14 - Prob. 90CPCh. 14 - Prob. 91CPCh. 14 - Discuss which dimensionless pump performance...Ch. 14 - Prob. 93CPCh. 14 - Prob. 94PCh. 14 - Prob. 95PCh. 14 - Prob. 96PCh. 14 - Prob. 97PCh. 14 - Prob. 98PCh. 14 - Prob. 99PCh. 14 - Prob. 100EPCh. 14 - Prob. 101PCh. 14 - Calculate the pump specific speed of the pump of...Ch. 14 - Prob. 103PCh. 14 - Prob. 104PCh. 14 - Prob. 105PCh. 14 - Prob. 106PCh. 14 - Prob. 107EPCh. 14 - Prob. 108PCh. 14 - Prob. 109PCh. 14 - Prob. 110PCh. 14 - Prove that the model turbine (Prob. 14-109) and...Ch. 14 - Prob. 112PCh. 14 - Prob. 113PCh. 14 - Prob. 114PCh. 14 - Prob. 115CPCh. 14 - Prob. 116CPCh. 14 - Prob. 117CPCh. 14 - Prob. 118PCh. 14 - For two dynamically similar pumps, manipulate the...Ch. 14 - Prob. 120PCh. 14 - Prob. 121PCh. 14 - Prob. 122PCh. 14 - Calculate and compare the turbine specific speed...Ch. 14 - Prob. 124PCh. 14 - Prob. 125PCh. 14 - Prob. 126PCh. 14 - Prob. 127PCh. 14 - Prob. 128PCh. 14 - Prob. 129PCh. 14 - Prob. 130PCh. 14 - Prob. 131PCh. 14 - Prob. 132PCh. 14 - Prob. 133PCh. 14 - Prob. 134PCh. 14 - Prob. 135PCh. 14 - A two-lobe rotary positive-displacement pump moves...Ch. 14 - Prob. 137PCh. 14 - Prob. 138PCh. 14 - Prob. 139PCh. 14 - Prob. 140PCh. 14 - Which choice is correct for the comparison of the...Ch. 14 - Prob. 142PCh. 14 - In a hydroelectric power plant, water flows...Ch. 14 - Prob. 144PCh. 14 - Prob. 145PCh. 14 - Prob. 146PCh. 14 - Prob. 147PCh. 14 - Prob. 148PCh. 14 - Prob. 149PCh. 14 - Prob. 150PCh. 14 - Prob. 151P
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
- oil CM=0-08372 Pa.s, S6= 0.843 is flowing from the Upper to lower reservoir at a rate of o028/s through a 15 cm & smooth pipe. Calculate the elevation of oil and the upper reservoir. S. pipe o= 15cm El OIL Gom Kc=05 go bénd El 130m oil 130marrow_forward(b) Fluid flow through a horizontal circular pipe of inner radius of 2 cm with centerline velocity as shown in Table 1. Based on Table 1 and setting given to you; (i) Determine the average velocity, maximum velocity and volume flowrate; and (ii) Calculate and draw the velocity profile for the given flow. Table 1: Setting of Question Centerline Velocity (m/s) Density (kg/m³) Dynamic Viscosity (Pa.s) 1.0 1.225 1.802 x 10-5arrow_forwardWater flows through a circular tube with a velocity of 2 m/s. The diameter of the pipe is 14 cm. If the kinematic viscosity of water is 10-6 m?is and density 1000 kg/m3, the Reynolds number of the flow can be calculated as O 2.8 x 108 2.8 x 105 280 2800arrow_forward
- A horizontal coated cast iron (surface roughness is 0.25mm) with radius of 0.025 m and length of 30,000 cm is used to transport waste cooking oil into processing chamber for the production of biodiesel. The specific gravity and dynamic viscosity of the waste cooking oil is 1.049 and 0.001155 Pa.s. If the flow rate required for the transportation is 30 kg/min : Q5 Determine the required pump power to overcome the head loss using Moody chart and Colebrook-White equation; (a) (b) Determine the required pump power to overcome the head loss using Altshul's correlation as shown in the equation below; Re =1.8 log Re +7 Compare the difference of pumping power between answers obtained in Q5(a) and Q5(b) and discuss the validity/accuracy for Altshul’s correlation. (c)arrow_forwardUse Poiseuille's Law to select the diameter of a 10-m long plastic pipe that is to transport room temperature water at a volume flow rate of 8 L/minute under the constraint that the head loss can be no more than 25 cm. Then comment on whether this calculation is appropriate and, if not, calculate what the head loss would be in reality for this diameter pipe.arrow_forwardAir conditioning is provided by chilled water (at 10 oC) pumped through a main supply pipe. The pipe makes a loop 3 km long, and you can make a crude assumption that the loop has four smooth flanged 90o elbow bends per km (all other minor losses may be neglected). The pipe diameter is 35 cm outer diameter, with a wall thickness of 0.5 cm, and is made out of commercial steel. The maximum design volume flow rate is 2000 L/min. The circulating pump is driven by an electric motor. The efficiencies of pump and motor are ηpump = 0.80 and ηmotor = 0.90 respectively. Electricity costs R1.36 per kWh. Determine the head loss through the systemarrow_forward
- roughness of this plastic. (4) What pressure drop is required in order to pump water at 20°C through a pipe 25 cm in diameter and length 1234 m at a rate of 1.97 m² sec 1? The pipe is horizontal and contains four standard-radius 90° elbows and two 45 elbows. (A standard-radius 90° elbow is roughly equivalent to the resistance offered by a pipe of length 32 diameters; a 45 elbow, 15 diameters) (5) Consider the steady-state flow of an incompressible Newtonian fluid through a horizontal tube of inner radius R and length L, as shown below: 1:52 AM 4/9/2021 charrow_forwardIt is a well–known fact that Roman aqueduct customers obtained extra water by attaching a diffuser to their pipe exits. The figure shows a simulation with a smooth inlet pipe, with and without a 20° diffuser expanding to a 6-cm-diameter exit. The pipe entrance is sharp-edged. Calculate the flow rate (a) without, and (b) with the diffuser and interpret the results. (c) For the case of a well-rounded entrance, Kent = 0.05, between the reservoir and pipe inlet for the system with a diffuser, how much would the flow rate increase? For water at 20°C, take ρ = 998 kg/m3 and μ = 0.001 kg/m·s.arrow_forward3. Derive the incompressible RANS equation (4), identify the Reynolds stress, and explain how it can be modeled through the eddy viscosity assumption (4) and the physical significance of the mixing length (6).arrow_forward
- 1 Kerosene (20°C) flows at a rate of 0.04 m3 s in a 25 cm diameter pipe. Would you expect the flow to be laminar or turbulent? Calculate the entrance lengtharrow_forwardConsider an oil flow of 12 m³/h in a long, straight and smooth pipe with diameter of 7 cm. What is the pressure loss per meter? Oil absol viscosity is 0,1 kg/ms and density is 900 kg/m³. Friction factor for laminar flow can be calculated from 64 f=t Round off the answer to an integer in Pa/m, but enter the answer without the unit. 0.1 0.09 0.08 0.07 0.06- 0.05 0.04- 0.03 0.025- 0.00 Lamitin THW 1 Transition ang Wholly turbulent flow Suth 0.05 0.04 0.03 0.02 0.015 0.01 0.008 0.006 0.004 0.002 0.001 0.0008 0,0004 0.0002 00001 300006 000001 Darrow_forwardFor fully developed laminar pipe flow in a circular pipe, the velocity profile is given by u(r) = 2 (1 - r2/R2) in m/s, where Ris the inner radius of the pipe. Assuming that the pipe diameter is 6.8 cm, find the (a) maximum and (b) average velocities in the pipe as well as (c) the volume flow rate. (a) u(0) = i m/s (b) V = m/s (c) Q = m³/sarrow_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
Intro to Compressible Flows — Lesson 1; Author: Ansys Learning;https://www.youtube.com/watch?v=OgR6j8TzA5Y;License: Standard Youtube License