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It has been found that condensation forms on the outside of the refrigerator when the temperature on the surface is T1 and lower certain parts during the year. If the temperature on the inside of the refrigerator is T2 , how thick insulation needed to avoid condensation? The cooling effect in the refrigerator is ?. The refrigerator wall is built (from the outside) with 1 mm metal (thermal conductivity is k1),mineral wool (thermal conductivity is k2)and an additional layer of 1 mm metal. T1 (°C)= 15 , T2(°C)=3 , ? (W)=70 , k1 (W/m·K)=15 , k2 (W/m·K)=0.04

It has been found that condensation forms on the outside of the refrigerator when the temperature on the surface is T1 and lower certain parts during the year. If the temperature on the inside of the refrigerator is T2 , how thick insulation needed to avoid condensation? The cooling effect in the refrigerator is ?. The refrigerator wall is built (from the outside) with 1 mm metal (thermal conductivity is k1),mineral wool (thermal conductivity is k2)and an additional layer of 1 mm metal. T1 (°C)= 15 , T2(°C)=3 , ? (W)=70 , k1 (W/m·K)=15 , k2 (W/m·K)=0.04

Elements Of Electromagnetics
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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It has been found that condensation forms on the outside of the refrigerator when the temperature on the surface is T1 and lower certain parts during the year. If the temperature on the inside of the refrigerator is T2 , how thick insulation needed to avoid condensation? The cooling effect in the refrigerator is ?. The refrigerator wall is built (from the outside) with 1 mm metal (thermal conductivity is k1),mineral wool (thermal conductivity is k2)and an additional layer of 1 mm metal.

T1 (°C)= 15 , T2(°C)=3 , ? (W)=70 , k1 (W/m·K)=15 , k2 (W/m·K)=0.04

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