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N 1 Ic refrigerator with Inner dimensions of 0.7 m by 0.7 m. re of 6 "C. The bodies consist of two 10-mm-thick laye ane Insulation (k-0.028 WimK). If the average convecti

N 1 Ic refrigerator with Inner dimensions of 0.7 m by 0.7 m. re of 6 "C. The bodies consist of two 10-mm-thick laye ane Insulation (k-0.028 WimK). If the average convecti

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QUESTION 1 A domestic refrigerator with Inner dimensions of 0.7 m by 0.7 m at the base and height 1 m was designed to maintain a set temperature of 6 "C. The bodies consist of two 10-mm-thick layers of Aluminlum (k - 225 WmK) separated by a 30 mm polyurethane Insulation (k-0.028 WimK). If the average convection heat transfer coefficlent at the Inner and outer surfaces are 11.6 W/m?k and 14.5 W/m2k respectively, calculate: the resistance(R) for the Aluminium near the inner thermal layer in K/W to 8 decimal places.
Transcribed Image Text:QUESTION 1 A domestic refrigerator with Inner dimensions of 0.7 m by 0.7 m at the base and height 1 m was designed to maintain a set temperature of 6 "C. The bodies consist of two 10-mm-thick layers of Aluminlum (k - 225 WmK) separated by a 30 mm polyurethane Insulation (k-0.028 WimK). If the average convection heat transfer coefficlent at the Inner and outer surfaces are 11.6 W/m?k and 14.5 W/m2k respectively, calculate: the resistance(R) for the Aluminium near the inner thermal layer in K/W to 8 decimal places.
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