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 66P
To determine
The net head produced by the centrifugal pump in
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Problem 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?
The front and side views of a centrifugal impeller are shown in the figure below. All symbols have their usual meanings. The outer radius of the impeller is r2 = 0.4 m and the blade height a
the impeller outlet b₂ = 0.02 m. The volume flow rate of water (density = 1000 kg/m³) through the impeller is 0.3 m³/s. The outlet blade angle 3₂ = 31 degrees and the impeller rotational
speed w= 1400 rpm. Assume negligible losses, and the design conditions of whirl-free and shock-free entry.
The impeller power is
B₂ I
kW.
Front
View
b2
→
+
Side
View
The front and side views of a centrifugal impeller are shown in the figure below. All symbols have their usual meanings. The outer radius of the impeller is r2 = 0.4 m and the blade height at
the impeller outlet b2 = 0.02 m. The volume flow rate of water (density = 1000 kg/m³) through the impeller is 0.3 m³/s. The outlet blade angle 3₂ = 31 degrees and the impeller rotational
speed w = 1400 rpm. Assume negligible losses, and the design conditions of whirl-free and shock-free entry.
The impeller power is
ß₂
kW.
Front
View
ra
@
b2-
→
Side
View
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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- The front and side views of a centrifugal impeller are shown in the figure below. All symbols have their usual meanings. The outer radius of the impeller is r2 = 0.4 m and the blade height at the impeller outlet b2₂ = 0.03 m. The volume flow rate of water (density = 1000 kg/m³) through the impeller is 0.2 m³/s. The outlet blade angle 8₂ = 50 degrees and the impeller rotational speed w=1600 rpm. Assume negligible losses, and the design conditions of whirl-free and shock-free entry. The impeller torque is B₂F N-m. Front View 12 b2 |+| Side Viewarrow_forwardThe front and side views of a centrifugal impeller are shown in the figure below. All symbols have their usual meanings. The outer radius of the impeller is r2 = 0.4 m and the blade height the impeller outlet b₂ = 0.02 m. The volume flow rate of water (density = 1000 kg/m³) through the impeller is 0.5 m³/s. The outlet blade angle 3₂ = 35 degrees and the impeller rotational speed w=1600 rpm. Assume negligible losses, and the design conditions of whirl-free and shock-free entry. The gravitational acceleration g = 9.81 m/s². The theoretical (Euler) head is m. Front View P₂1 r2 b2- 118 Side Viewarrow_forwardA pump draws water from open reservoir A at 20 ft above pump centerline and lifts to an open reservoir B at 280 ft above pump centerline. The loss of head at the suction is 3 times the velocity head at the 6 inches suction pipe and at the discharge is 20 times the velocity head at the 4 inches discharge pipe. The pump discharge is 200 GPM. a. The total dynamic head in ft. b. The water power in horsepowerarrow_forward
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