A steam pipe 200mm in diameter passes through a large basement room. The temperature of the pipe wall is 500C, while that of the ambient air in the room is 20C. Determine the heat transfer rate by convection and radiation per unit length of the steam pipe if the emissivity of the pipe surface is 0.8 and the natural convection heat transfer coefficient has been determined to be 10W/m2C. 9,/L W /mC 9c/L W /mC

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
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to w/ mi-C
h =
-To = 20°c=Tsur
BASEMENT
ROOM
200 mmø PIPE
T= 500°C
E =0.8
år
STEAM
PIPE
Transcribed Image Text:to w/ mi-C h = -To = 20°c=Tsur BASEMENT ROOM 200 mmø PIPE T= 500°C E =0.8 år STEAM PIPE
A steam pipe 200mm in diameter passes through a large basement
room. The temperature of the pipe wall is 500C, while that of the
ambient air in the room is 20C. Determine the heat transfer rate by
convection and radiation per unit length of the steam pipe if the
emissivity of the pipe surface is 0.8 and the natural convection heat
transfer coefficient has been determined to be 10W/m2C.
9r/L
W /mC
9c/L
W /mC
Transcribed Image Text:A steam pipe 200mm in diameter passes through a large basement room. The temperature of the pipe wall is 500C, while that of the ambient air in the room is 20C. Determine the heat transfer rate by convection and radiation per unit length of the steam pipe if the emissivity of the pipe surface is 0.8 and the natural convection heat transfer coefficient has been determined to be 10W/m2C. 9r/L W /mC 9c/L W /mC
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