Question

T3 Ti 3. An open box is constructed of blackbody surfaces at different temper atures as shown. Find the rate of energy leaving the box. Assume two dimensions Note that for two perpendicular plates that share a common edge, the view factor from one to the other is Fy- where wi, wj are the lengths of the two sides.

Answer 1

i forget to multiply by sigma. Please include i heat transfer term

2 D. 34 by Symmetry 32

Sigma *epsilon *(T1^4-T_inf^4)*F14