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ers a 12-cm-diameter 20-m-long isothermal pipe= aFigure Q4. Take the pressure of air 1 atm,

ers a 12-cm-diameter 20-m-long isothermal pipe= aFigure Q4. Take the pressure of air 1 atm,

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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QUESTION 4 Cold air at 5 °C enters a 12-cm-diameter 20-m-long isothermal pipe at a velocity of 2.5 m/s and leaves at 19 °C as shown in Figure Q4. Take the pressure of air 1 atm, i. estimate the rate of heat transfer to the air, and ii. calculate the surface temperature of the pipe. T, Air 5°C 12 cm 19°C 2.5 m/s 20 m Figure Q4
Transcribed Image Text:QUESTION 4 Cold air at 5 °C enters a 12-cm-diameter 20-m-long isothermal pipe at a velocity of 2.5 m/s and leaves at 19 °C as shown in Figure Q4. Take the pressure of air 1 atm, i. estimate the rate of heat transfer to the air, and ii. calculate the surface temperature of the pipe. T, Air 5°C 12 cm 19°C 2.5 m/s 20 m Figure Q4
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