What is the rate of heat loss from a heated horizontal pipe as a result of natural (free) convection that have a length of 1 m and surface temperature of 100 deg C, the ambient air is at 0 deg C and the diameter of the pipe is 0.1 m. Film temperature Tf averaged boundary layer temperature Tf=50 =C. kf=0.03 W/m.K, Pr=0.7, /=2=10-5 m2/s, /=0.0031(1/K) Select one: a. 249.0378 b. 191.1709 c. 220.7985 d. 278.9799
What is the rate of heat loss from a heated horizontal pipe as a result of natural (free) convection that have a length of 1 m and surface temperature of 100 deg C, the ambient air is at 0 deg C and the diameter of the pipe is 0.1 m. Film temperature Tf averaged boundary layer temperature Tf=50 =C. kf=0.03 W/m.K, Pr=0.7, /=2=10-5 m2/s, /=0.0031(1/K) Select one: a. 249.0378 b. 191.1709 c. 220.7985 d. 278.9799
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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What is the rate of heat loss from a heated horizontal pipe as a result of natural (free) convection that have a length of 1 m and surface temperature of 100 deg C, the ambient air is at 0 deg C and the diameter of the pipe is 0.1 m. Film temperature Tf averaged boundary layer temperature Tf=50 =C. kf=0.03 W/m.K, Pr=0.7, /=2=10-5 m2/s, /=0.0031(1/K)
Select one:
a. 249.0378
b. 191.1709
c. 220.7985
d. 278.9799
Transcribed Image Text:What is the rate of heat loss from a heated
horizontal pipe as a result of natural (free)
convection that have a length of 1 m and
surface temperature of 100 deg C, the
ambient air is at 0 deg C and the diameter
of the pipe is 0.1 m. Film temperature Tf
averaged boundary layer temperature
Tf=50 =C. kf=0.03 W/m.K, Pr=0.7, /
=2=10-5 m2/s, /=0.0031(1/K)
Select one:
a. 249.0378
b. 191.1709
c. 220.7985
d. 278.9799
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