Consider the surfaces in Figure 2a, where L = 1 m. The 1 and 2 surfaces are diffuse and opaque, and have a known reflect

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Consider The Surfaces In Figure 2a Where L 1 M The 1 And 2 Surfaces Are Diffuse And Opaque And Have A Known Reflect 1 (48.72 KiB) Viewed 45 times

Consider the surfaces in Figure 2a, where L = 1 m. The 1 and 2 surfaces are diffuse and opaque, and have a known reflectance, indicated in Fig. 2b. If surface 1 is held at 600 K, a) Calculate the emittance E of 1. b) Calculate the form factor F1->2. c) Calculate the irradiation on 2 (emitted by 1), G, in W/m2 d) Which of the previously calculated parameters change if now T1 = 900 K? Calculate the new values. Hint: Use the definitions of E and a. Ada Foa-Obed = Ada Foa-1be + AdaFoa-+2d- Ayuda: Use las definiciones de e y a. Aga Foa-2bcd= AsaFoa-be+AaFoa-@d- с L/4 L/4 L (a) Paneles radiantes. L/2 L PA 1.0 0,8 0,6 0,4 L 0 L T 0,2- 6 λ(μm) 8 10 (b) Reflectancia de las superficies y . Con- siderar que px = 1 hasta → ∞o.