A 3 m internal diameter spherical tank made of 1 cm thick stainless steel (k = 15 W/mK) is used to store water at 4°C, as shown in Figure 2.2. Inner surface of the tank is 4°C, while the outer surface of the tank is painted with black colour paints with emissivity, ɛ = 0.88 measured at temperature 5°C. It is located outdoor at 40°C and is subjected to wind at 25 km/h. Determine the total heat transfer rate to the ice water. To = 40°C %3D 25 km/h Iced T = 5°C water 1 cm D =3 m T= 4°C Figure 2.2

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A 3 m internal diameter spherical tank made of 1 cm thick stainless steel (k =
15 W/mK) is used to store water at 4°C, as shown in Figure 2.2. Inner surface
of the tank is 4°C, while the outer surface of the tank is painted with black
colour paints with emissivity, ɛ = 0.88 measured at temperature 5°C. It is
located outdoor at 40°C and is subjected to wind at 25 km/h. Determine the
total heat transfer rate to the ice water.
%3D
T = 40°C
%3D
25 km/h
Iced
T = 5°C
water
1 cm
D = 3 m
T= 4°C
Figure 2.2
Transcribed Image Text:A 3 m internal diameter spherical tank made of 1 cm thick stainless steel (k = 15 W/mK) is used to store water at 4°C, as shown in Figure 2.2. Inner surface of the tank is 4°C, while the outer surface of the tank is painted with black colour paints with emissivity, ɛ = 0.88 measured at temperature 5°C. It is located outdoor at 40°C and is subjected to wind at 25 km/h. Determine the total heat transfer rate to the ice water. %3D T = 40°C %3D 25 km/h Iced T = 5°C water 1 cm D = 3 m T= 4°C Figure 2.2
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