# 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 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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