QUESTION 2 Cold water (at 4 °C) flows up through the vertical pipe that is connected to the expansion joint as shown in the figure. Two open-ended manometers are attached to the pipe on either side of the expansion to indicate the respective pressure values.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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QUESTION 2
Cold water (at 4 °C) flows up through the vertical pipe that
is connected to the expansion joint as shown in the figure.
Two open-ended manometers are attached to the pipe on
either side of the expansion to indicate the respective
pressure values.
a) Using the height of liquid in the bottom
manometer, calculate the absolute pressure (in
Pa units) at point A in the system.
200 mm
400 mm
100 mm-
B
165 mm
b) Assuming that both the frictional and minor losses through the expansion are negligible, write the
correct form of the Bernoulli equation (in 'energy per mass' units) that describes the flow along
the streamline between points A and B.
c) If the volumetric flow rate of water through the pipe is 0.02 m³/s, calculate the height of liquid (in
mm units) in the top manometer (i.e. at point B).
Transcribed Image Text:QUESTION 2 Cold water (at 4 °C) flows up through the vertical pipe that is connected to the expansion joint as shown in the figure. Two open-ended manometers are attached to the pipe on either side of the expansion to indicate the respective pressure values. a) Using the height of liquid in the bottom manometer, calculate the absolute pressure (in Pa units) at point A in the system. 200 mm 400 mm 100 mm- B 165 mm b) Assuming that both the frictional and minor losses through the expansion are negligible, write the correct form of the Bernoulli equation (in 'energy per mass' units) that describes the flow along the streamline between points A and B. c) If the volumetric flow rate of water through the pipe is 0.02 m³/s, calculate the height of liquid (in mm units) in the top manometer (i.e. at point B).
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