A 30-m-long section of an 8-cm-diameter horizontal hot water pipe passes through a large room whose temperature is 20°C. If the outer surface temperature of the pipe is 70°C, determine the rate of heat loss from the pipe by natural convection. k 0.02699 W/m °C Pr = 0.7241, v = 1.749 x10-5.
A 30-m-long section of an 8-cm-diameter horizontal hot water pipe passes through a large room whose temperature is 20°C. If the outer surface temperature of the pipe is 70°C, determine the rate of heat loss from the pipe by natural convection. k 0.02699 W/m °C Pr = 0.7241, v = 1.749 x10-5.
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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Transcribed Image Text:A 30-m-long section of an 8-cm-diameter
horizontal hot water pipe passes through a
large room whose temperature is 20°C. If
the outer surface temperature of the pipe is
70°C, determine the rate of heat loss from
the pipe by natural convection. k = 0.02699
W/m °C Pr = 0.7241, v = 1.749 x10-5.
Select one:
O a. 3.1 kW
O b. 3.8 kW
O c. 2.2 kW
O d. 2.7 kW
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