Q1/ A large vertical plate 6.1 m high and 1.22 m wide is maintained at a constant temperature of 57 C and exposed to atmospheric air at 4 C. calculate the heat lost by the plate. 57+4 Tj = 30.5°C = 303.5 K 2 v = 16.1×106 %3D k = 0.0265 Pr = 0.7 %3D W Nu = 1118 h = 4.86 m2 .°C Nu = 1012 %3D

Q1/ A large vertical plate 6.1 m high and 1.22 m wide is maintained at a constant temperature of 57 C and exposed to atmospheric air at 4 C. calculate the heat lost by the plate. 57+4 Tj = 30.5°C = 303.5 K 2 v = 16.1×106 %3D k = 0.0265 Pr = 0.7 %3D W Nu = 1118 h = 4.86 m2 .°C Nu = 1012 %3D

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.16P

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Question

Q1/ A large vertical plate 6.1 m high and 1.22 m wide is maintained at a constant
temperature of 57 C and exposed to atmospheric air at 4 C. calculate the heat lost
by the plate.
57+4
Tf =
= 30.5°C = 303.5 K
2
v = 16.1x10-6
%3D
k = 0.0265
Pr = 0.7
Nu = 1118
W
h = 4.86
m² .°C
Nu = 1012

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