Answered

A composite plane wall consists of a Li = 125 mm thick layer of insulation (ki = 0.05 W/m.K) and a Ls = 25 mm thick layer of siding (ks = 0.10 W/m.K). The inner temperature of the insulation is 20 C. The outer temperature of the siding is -10 C. Steady state conditions apply.
​
​Determine the temperature at the interface between the two layers, in C, and the rate of heat transfer through the wall, in W per m2 of surface area.

Answer :

Answer:

Interface temperature = -7.27C

Rate of heat transfer = 10.91W/m2

Explanation:

The steps and the application of fourier's law of heat conduction is as shown in the attached file.

${teks-lihat-gambar} olumidechemeng
${teks-lihat-gambar} olumidechemeng

Other Questions