Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 18, Problem 18.41PP
To determine
The plot of weight flow rate and tank pressure.
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Problem 3
Calculate the disposition, pipe diameter
and specific speed of a centrifugal pump,
the impeller rotation speed of 1750 rpm,
used in a sprinkler system with a pressure
of 280 kPa, a friction loss of 3.5 m, a
compressor velocity of 0.5 m, a static
drawdown of 3 m at the bottom of the
pump, and a static expulsion of 2 m at the
top of the pump. The pump has a capacity
of 6.35 kilowatts and an efficiency of 80%.
Centrifugal pump has differential pressure 15 bar and use to transport oil between two separators. If the
pressure at first separator is 4 bar calculate the pressure at second separator and NPSH.
Where:
Suction and discharge pipe diameters = 10 inch,
Suction pipe length = 16 m, ld
Oil level at first separator 3 m2d
Oil density=880 kg/m³ P
Oil flow rate=0.092 m³/sec
e
Pipe roughness= 0.045 mm
Discharge pipe length = 25 m O
Oil level at second separator = 5.5 m2d
Oil viscosity = 9.5 x 10³ Pa.s
Oil vapor pressure 22.5 kPa
d
кра
4.5x10²
Chapter 18 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 18 - A pipe in a compressed air system is carrying 2650...Ch. 18 - Prob. 18.2PPCh. 18 - Prob. 18.3PPCh. 18 - A duct in a heating system carries 8320 cfm....Ch. 18 - The velocity of flow in a ventilation duct is 1140...Ch. 18 - Prob. 18.6PPCh. 18 - Prob. 18.7PPCh. 18 - Prob. 18.8PPCh. 18 - Prob. 18.9PPCh. 18 - Prob. 18.10PP
Ch. 18 - Prob. 18.11PPCh. 18 - Describe a centrifugal fan with forward-curved...Ch. 18 - Prob. 18.13PPCh. 18 - Prob. 18.14PPCh. 18 - Name four types of positive-displacement...Ch. 18 - Name a type of compressor often used for pneumatic...Ch. 18 - Prob. 18.17PPCh. 18 - Prob. 18.18PPCh. 18 - Prob. 18.19PPCh. 18 - Compute the specific weight of nitrogen at 32...Ch. 18 - Compute the specific weight of air at 1260...Ch. 18 - Prob. 18.22PPCh. 18 - An air compressor delivers 820 cfm of free air....Ch. 18 - Prob. 18.24PPCh. 18 - Prob. 18.25PPCh. 18 - Prob. 18.26PPCh. 18 - Specify a size of Schedule 40 steel pipe suitable...Ch. 18 - For an aeration process, a sewage treatment plant...Ch. 18 - Prob. 18.29PPCh. 18 - Prob. 18.30PPCh. 18 - Prob. 18.31PPCh. 18 - Prob. 18.32PPCh. 18 - Prob. 18.33PPCh. 18 - Prob. 18.34PPCh. 18 - Prob. 18.35PPCh. 18 - Figure 18.14 iD shows a two-compartment vessel....Ch. 18 - Prob. 18.37PPCh. 18 - Prob. 18.38PPCh. 18 - Prob. 18.39PPCh. 18 - A tank of Refrigerant is at 150 kPa gage and 20C....Ch. 18 - Prob. 18.41PP
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