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
Concept explainers
Textbook Question
Chapter 14, Problem 43P
Calculate the volume flow rate between the reservoirs of Prob. 14-39 for the case in which the pipe diameter is doubled, all else remaining the same. Discuss.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
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)
6. Hot water flows through a horizontal steelpipe with diameter (0.25 m) the watervelocity is 5 m/s. The properties of water arep=300 kg/m3 p=3x10-2 kg/m: s. TheReynolds number isO 12000O 12500O 11500O 13500
A pump draws water through a 36 cm diameter suction pipe and
discharges it through a 22 cm diameter pipe in which the mean flow
velocity, uc is 4.3 m s-1.
C
Pump
Water
The 22 cm diameter pipe discharges horizontally into air at point C. To
what height, h above the water surface at A can water be raised if 53 kW is
delivered to the pump? Assume that the pump operates at 60% efficiency
and that the total head losses in the pipe between A and C, hr, are equal to
2u.2
where g is the acceleration due to gravity, g=9.81ms².
2g
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
- Starting from Reynolds Transport Theorem (RTT) derive the Steady Flow Energy equation, and there from obtain the standard form of Bernoulli’s equation for a pipe network fitted with a pump.arrow_forwardA kitchen chimney, made of HINDWARE with exhaust pipe dia. of 90 cm supplies exhaust gas having flow rate of 1200 80 m3/hour. Length of exhaust pipe is 5m. Now BAJAJ Company wants to design a chimney to crater same flow rate but rectangular type with aspect ratio of 1.5. The length of exhaust pipes for both cases is assumed to be 5m. Also consider same friction factor for both the pipes as 0.182.Determine (i) the pressure drop for the HINDWARE duct. (ii) Considering the same pressure drop for the BAJAJ duct, determine its sides.arrow_forwardDiscuss a case study of control volume analysis inside a piping system. A variation in flow direction should be considered in the analysis.arrow_forward
- Water is flowing in a straight horizontal insulated pipe of 25 mm i.d. There is nodevice present for adding or removing energy as work. The upstream velocity is 10 m/s. The waterflows in a section where the diameter is suddenly increased. (a) What is the change in enthalpy if thedownstream diameter is 50 mm? (b) What is the maximum enthalpy change for a sudden enlargementin pipe?arrow_forwardCompare the lost pressure for a bellmouth entrance (r/D= 0.06, Table 12-10B) and an abrun entrance (0- 180 degrees, Table 12-10A) for a duct velocity of (a) 1000 f/min (5 m/s) and (b) 4000 f/min (20 m/s). (c) Compare the results. 12-25.arrow_forwardFor a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The = 100kW. The shaft power elevation difference between the two free surfaces is h=20m. The power input from the fluid to the turbine is is W fluid output from the turbine is W = 80kW. sh (2)Calculate the mass flow rate in of the fluid. Turbine) O A. 510 kg/s B. 0.510 kg/s O C. 10.2 kg/s W₁ud O D.5.1 kg/s ff Wsh Generator Welecarrow_forward
- Select duct sizes for the rectangular duct system shown in the Figure, using the equal friction method. The total pressure available for the duct system is 0.12 in. wg (30 Pa), and the loss in total pressure for each diffuser at the specified flow rate is 0.02 in. wg (5 Pa). Assume the velocity in mean duct 600 fpm. 150 che 25 Boo ae und torectang a5On e S. 150 ct 0.095 mi 071 15marrow_forwardJet water in Pipe with diumeter equal to Somm to velocity=30 - divided into fwo branches with (o-756) ancd the o ther with Cu.25Q] recPcetively un equal diameter. Compute fore CumPenen ts on the Plate sec Vュarrow_forwardConsider a pipe on a horizontal plane: based on Bernoulli's equation A. none of the above B. the inlet velocity will be less than the outlet velocity C. the inlet velocity will be greater than the outlet velocity D. the elevation of the inlet will be greater than that of the outletarrow_forward
- A pipe with diameter 30 cm carries oil of sp.gr. 0.95 at a velocity of 4 m/s .at another section the diameter change to 20 cm. Find the velocity at this section and also find the mass flow . rate of oil A- V=8.5m/s , m= 270 kg/s B- v=9m/s, m= 300 kg/s O C- v=9 m/s , m=269.8 kg/s D- v= 9.5 m/s, m= 280 kg/s Oarrow_forwardThe pressure after the pump in a 15-cm internal diameter smooth pump conducting water is 137.895 kPa (abs). The water is discharged at an open tank 30.48 meters from the pump,. Calculate the discharge rate in cubic feet per second O 58.3 O 21.0 O 0.6 O 3.58 O none of thesearrow_forward3) Water at 20C° follow throw piping junction in the figure below. Entering section (1) at (0.0019m /sec). The average velocity at section (2) is (2.5 m/s). Apportion of the flow is diverted throw the shower head. Which contain (100 holes) of (1mm) diameter. The exit velocity from the exit shower head is 7.5 m/s assuming uniform shower flow estimate the diameter of section (2) (3) (2) (1)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Heat Transfer (Activate Learning wi...Mechanical EngineeringISBN:9781305387102Author:Kreith, Frank; Manglik, Raj M.Publisher:Cengage Learning
Principles of Heat Transfer (Activate Learning wi...
Mechanical Engineering
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Cengage Learning
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