Class Problems
To
= 55°C
T3
= 10°C
LA
= 5 cm
LB
= 4 cm
Lc
= 8 cm
kA
= 1.1 W/m C
kB
= 0.06 W/m C
kC
= 0.48 W/mC
Determine
q
Given:
Ti
= 110°C
To
= 20°C
r1
= 2.5 cm
r2
= 4 cm
r3 = 6 cm
kA
= 12 W/m°C
kB
= 0.05 W/m°C
Determine
q and interfacial temperature between A and B