A manometer with water as in Figure 1.1. working fluid is connected to an air duct as shown

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Problem 1.1MA
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(а)
A manometer with water as working fluid is connected to an air duct as shown
in Figure 1.1.
Flow
Figure 1.1
(i)
Air flow through the pipe at a rate of 170 L/s. The pipe diameter is
measured to be 20 cm at the entrance, which reduces to half with a
smooth reducing section. The pressure difference between the two pipe
sections is measured by a water manometer. Assume the system
operates in the environment at a constant temperature 50°C, determine
the differential height of the water in the manometer.
(ii)
List 3 assumptions you made in Q1(a)(ii).
(iii) Predict the changes of the differential height in the manometer if a
fluid with the density lower than water is used as the working fluid.
Transcribed Image Text:(а) A manometer with water as working fluid is connected to an air duct as shown in Figure 1.1. Flow Figure 1.1 (i) Air flow through the pipe at a rate of 170 L/s. The pipe diameter is measured to be 20 cm at the entrance, which reduces to half with a smooth reducing section. The pressure difference between the two pipe sections is measured by a water manometer. Assume the system operates in the environment at a constant temperature 50°C, determine the differential height of the water in the manometer. (ii) List 3 assumptions you made in Q1(a)(ii). (iii) Predict the changes of the differential height in the manometer if a fluid with the density lower than water is used as the working fluid.
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