In the summer of the Basrah city, the room temperature is 22 C has a wall...
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In the summer of the Basrah city, the room temperature is 22 °C has a wall made of three layers as shown in Table. The wall area has 2 m² and the outside air temperature 48 °C. The outer and inner convection heat transfer are 18 W/m².K and 9 W/m².K respectively. The rate of heat transfer through the wall is 15 W. Determine: (i) the thick of layer 2. (ii) the temperature of interface (T1) between the layer 1 and layer 2 and (iii) the temperature of interface (T2) between the layer 2 and layer 3. T1 T2 Thick Thermal conductivity 4 cm 0.1 W/m.K ? 0.04 W/m.K 2 cm 0.5 W/m.K Layers Layer 1 Layer 2 Layer 3 Tout layer 1 layer layer 3 2 Tin In the summer of the Basrah city, the room temperature is 22 °C has a wall made of three layers as shown in Table. The wall area has 2 m² and the outside air temperature 48 °C. The outer and inner convection heat transfer are 18 W/m².K and 9 W/m².K respectively. The rate of heat transfer through the wall is 15 W. Determine: (i) the thick of layer 2. (ii) the temperature of interface (T1) between the layer 1 and layer 2 and (iii) the temperature of interface (T2) between the layer 2 and layer 3. T1 T2 Thick Thermal conductivity 4 cm 0.1 W/m.K ? 0.04 W/m.K 2 cm 0.5 W/m.K Layers Layer 1 Layer 2 Layer 3 Tout layer 1 layer layer 3 2 Tin
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Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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