1. Two large plates are maintained at a temperature of 900 K and 500 K respectively. Each plate has area of 6'. Compare the net heat exchange between the plates for the following cases. (i) Both...

1. Two large plates are maintained at a temperature of 900 K and 500 K respectively. Each plate has area of 6°. Compare the net heat exchange between the plates for the following cases. () Both plates are black (i) Plates have an emissivity of 0.5 Given: T, =900 K T, =500 K A=6m’ To find: () (Qi2)s: Both plates are black


Extracted text: 1. Two large plates are maintained at a temperature of 900 K and 500 K respectively. Each plate has area of 6'. Compare the net heat exchange between the plates for the following cases. (i) Both plates are black (ii) Plates have an emissivity of 0.5 Given: T =900 K T2 = 500 K A = 6 m? To find: (i) (Q12) net Both plates are black € = 1