Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
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Chapter 14, Problem 45P
To determine
The volume capacity delivered by the pump.
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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 O
The water system in a suburban area consists of an old
200mm pipeline 760m long which conveys water from a
pump to a reservoir whose water surface is 107m higher than
the pump. VWater is pumped at the rate of 0.07 m/s.
Delermine the horsepower saved by replacng the old pipe
with a new 260mm plpe. Assume the value off as equat to
Neglect osses of head except friction head
A pump works between two opened tanks through a piFe of 10 cm diameter and length of 30 m with a
friction factor of 0.02. The characteristic formula of the pump is given by H-52-1010 Q. There is a valve
friction factor of 0.02. The characteristic formula of the
located before the pump of minor losses factor (K) S Eten by the figure Q2 below, If the height of deliver
side tank is 3 m Find:1) The volumetric fiow late n vaje Is fully opened 2) The percent valve setting if the
dow rate is reduced by a half of the rate in )ASsame, free and large tank at the suction side tank].
Pump is given by H-52-1010 Q. There is a valve
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
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- A pipe is used for energy transmission. Length and diameter of pipe are 80 m and 45 cm respectively. Flow rate is 105 lit/s. Calculate friction loss. Neglect minor losses. Take f = 0.03 . %Darrow_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_forwardA lift pump was used to collect water at 60 strokes per minute and 50 liters was collected. The lift pump has a bore of 10 cm and stroke of 15 cm. What is the volumetric efficiency of the lift pump?arrow_forward
- Length and dia. Of pipe 1 are 2000m and 1m while the second pipe is 2000m and dia. Of 0.8m .Find the rate flow of each pipe if the total flow rate in the main pipe is 0.3 m3/s. the coefficient friction of each pipe is same and equal to 0.05. Ans.Q1= 1.906 m3/s , Q2=1.094m3/s Ex. A pipe of dia.=20cm and length 2000m is connects two reservoir having difference of water levels as 20m determine the discharge through pipe. If an additional pipe of diameter 20cm and length 1200 m is attached to the last 1200m length of the existing pipe, find the increase in the discharge. f=0.015 neglect minor losses. Ans.Q= 0.0254 m3/s , increase to discharge 0.0088m3/s Ex. Pipe of L=4000m and dia.=0.6m as shown in fig. At a distance of 1000m from the upper reservoir , a small pipe is connected to the pipe line. The water can be taken from the small pipe. Find discharge to the lower reservoir a- No water is taken from the small pipe b-100 liter/sec of water is taken from small pipe. f30.005 neglect minor…arrow_forwardThis is a fluid machine question. Water reservoir is pumped over a hill through a pipe 450 mm in diameter and a pressure of 98.08 kPa is maintained in the summit water discharge is 30 m above the reservoir. The quantity pumped is 0.50 m3/s. rrictional losses in the discharge and suction pipe of the pump is equivalent to 1.5 m head loss. The speed of the pump is 800 rpm, what amount of energy must be furnished by the pump in kW?arrow_forwardIf the entrance velocity is 3.8 m/s in a pipe flow with co- efficient of entrance loss as 0.2, then the entrance loss is m. 0.147 0.077 0.039 0.736arrow_forward
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- Give me both right solutios In circular pipe with 0.1 m diameter, pressure drop is 100 kg/m2 over 10 m wide with 0.1 m3 /s of turbulent flow rate. Find velocity at center of pipe cross section. Find turbulent τw at 0.02 m from pipe wallarrow_forwardQ.10) Water, is pumped between two reservoir at 0.005 m3/s through a 100 m of 2 in diameter pipe and several minor losses, as shown in figure. The roughness is ε=0.02 mm. Compute the pump head required to maintain the flow. Z1-6 m Sharp Entrance K=0.8 Gate Valve K= 0.2 Standard Elbow K=0.9 Sharp Exit K= 0.5 Gate Valve K= 0.2 Long radius elbow K=0.2 Z2-30 marrow_forwardThe calculation of power from moving fluid has the following parameters:Volume flow rate = 10 +/- 0.154 m3/sDensity of Water = 1025 kg/m3Head of water = 150m +/- 10cmDetermine the range of values the power will be calculated.arrow_forward
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