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1.0 A diffuse surface at T = (2200) K. has the spectral, hemispherical emissivity illustrated. Determine...

Question:

1.0 A diffuse surface at T = (2200) K. has the spectral, hemispherical emissivity illustrated. Determine the following: 0.8 2

1.0 A diffuse surface at T = (2200) K. has the spectral, hemispherical emissivity illustrated. Determine the following: 0.8 21 = 2 pm 12 = 5 um a. the total, hemispherical emissivity is ε = (+0.001) E, () E1 0.4 b. the total emissive power is E = kW/m² (+ 0.1%) 0 2 5 (um)

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Assumption : Surface is a diffue emitter. a.) Total hemos phorical emossovo vity LE) E(T). S En (2,7) Esb (257)d) Eb (T) For

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