Consider the very long, inclined black surfaces (A 1 , A 2 ) maintained at uniform temperatures of T 1 1000 K and T 2 800 K Determine the net radiation exchange between the surfaces per unit length of the surfaces Consider the configuration when a black surface (A 3 ), whose back side is insulated, is positioned along the dashed line shown Calculate the net radiation transfer to surface A 2 per unit length of the surface and determine the temperature of the insulated surface A 3 Ay T2 100 mm A 60 100 mm

Question: Consider the very long, inclined black surfaces (A 1 , A 2 ) maintained at uniform temperatures of T 1 = 1000 K and T

Consider the very long, inclined black surfaces (A₁, A₂) maintained at uniform temperatures of T₁ = 1000 K and T₂ = 800 K. Determine the net radiation exchange between the surfaces per unit length of the surfaces. Consider the configuration when a black surface (A₃), whose back side is insulated, is positioned along the dashed line shown. Calculate the net radiation transfer to surface A₂ per unit length of the surface and determine the temperature of the insulated surface A₃.

Ay. T2 100 mm A. 60 100 mm

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