A cold storage wall, whose components and dimensions are given below, is formed by connecting layers A, B, C, D, E and F in series and in parallel. The temperature of the outside air is 30 oC and the temperature of the inside of the warehouse is -4 oC. If the film heat transfer coefficient between the air in the warehouse and the E layer is 24 W/m2 oC and the film heat transfer coefficient between the outer surface of the flat wall (A and F layers surface) and the atmospheric air is 16 W/m2 oC; Calculate the heat transferred in a day. (KA= 0.17 W/m.K, KBK= 0.024 W/m.K, kc= 0.98 W/m.K) (kD= 0.21 W/m.K, KF= 0.58 W/m.K) KE=0.01 W/m.K,

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A cold storage wall, whose components and dimensions are given below, is formed by
connecting layers A, B, C, D, E and F in series and in parallel. The temperature of the outside
air is 30 oC and the temperature of the inside of the warehouse is -4 oC. If the film heat transfer
coefficient between the air in the warehouse and the E layer is 24 W/m2 oC and the film heat
transfer coefficient between the outer surface of the flat wall (A and F layers surface) and the
atmospheric air is 16 W/m2 oC; Calculate the heat transferred in a day.
(KA= 0.17 W/m.K,
kc 0.98 W/m.K)
(kD= 0.21 W/m.K,
KF= 0.58 W/m.K)
XA=3cm
B
KBK= 0.024 W/m.K,
KE=0.01 W/m.K,
F
C
D
E
XB=14 cm Xc=Xp=8cm XE=10cm
AF AC AD= A/3
h= 2 m
70 cm
Transcribed Image Text:A cold storage wall, whose components and dimensions are given below, is formed by connecting layers A, B, C, D, E and F in series and in parallel. The temperature of the outside air is 30 oC and the temperature of the inside of the warehouse is -4 oC. If the film heat transfer coefficient between the air in the warehouse and the E layer is 24 W/m2 oC and the film heat transfer coefficient between the outer surface of the flat wall (A and F layers surface) and the atmospheric air is 16 W/m2 oC; Calculate the heat transferred in a day. (KA= 0.17 W/m.K, kc 0.98 W/m.K) (kD= 0.21 W/m.K, KF= 0.58 W/m.K) XA=3cm B KBK= 0.024 W/m.K, KE=0.01 W/m.K, F C D E XB=14 cm Xc=Xp=8cm XE=10cm AF AC AD= A/3 h= 2 m 70 cm
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