1. (a) For the system given below, two gray surfaces are surrounded by refractory walls. What is the net heat loss of th

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1 A For The System Given Below Two Gray Surfaces Are Surrounded By Refractory Walls What Is The Net Heat Loss Of Th 1 (48.38 KiB) Viewed 21 times

1. (a) For the system given below, two gray surfaces are surrounded by refractory walls. What is the net heat loss of the surface 1, 912? Hot Eltv+ Cold T₂ B 2 aT A₁(1-P) ALAND (b) Derive the following equation (14.33) in the textbook. F₁2 A₂-A₁F²12 A₁ + A₂-2A₂F12