1.22. A plane wall 0.15 cm thick, of a homogeneous material with k = 0.40 W/m- K, has steady and uniform temperatures T,- 20 °C and T- 70 C (sce Fig 1-6). Determine the heat transfer rate in the positive r-direction per square meter of surface area Ans -133 W/m

Elements Of Electromagnetics
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1.22 A plane wall 0.15 cm thick, of a homogeneous material with
k= 0.40 W/m-K, has steady and uniform temperatures T, 20 °C
and T = 70°C (sce Fig 1-6). Determine the heat transfer
Supplementary Problems
area.
Ans -133 W/m
Transcribed Image Text:1.22 A plane wall 0.15 cm thick, of a homogeneous material with k= 0.40 W/m-K, has steady and uniform temperatures T, 20 °C and T = 70°C (sce Fig 1-6). Determine the heat transfer Supplementary Problems area. Ans -133 W/m
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