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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Textbook Question
Chapter 5, Problem 129P
Consider water flow in a piping network. The pressure,velocity, and elevation at a specified point (point 1) of the flow are 300 kPa. 2.4 ms, and 5 m. The velocity and elevation at point 2 are 1.9 ni/s and 18 in. respectively. Take the correction factor to be 1. If the irreversible head loss between point 1 and point 2 of the pipe is 2 in. the pressure of water at point 2 is
(a) 286 kPa
(b)230kPa
(c) 179 kPa
(d) 154 kPa
(e) 101 kPa
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A pump is being used to transport a liquid food product (density p=1000kg/m^3, viscosity 0.001 Pa s) from holding tank to filling a machine at a mass flow rate of 2 kg/s. The liquid level in the holding tank is 10 m above the pump, and the filling machine is 5 m above the pump. There is 100 m of 2-in nominal diamter sanitary pipe between the holding tank and the filling machine, wiht one open globe valve and four regular 90° flanged elbows in the system. Within the system, there is a heat exchange which causes 100 kPa of pressure drop due to friction. The holding tank is open to atmosphere, and filling machine is running at a pressure of 1.5 atm. The diamter of the filling machine pipe is 3cm.
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Chapter 5 Solutions
Fluid Mechanics: Fundamentals and Applications
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