Question: Consider the metallic surface of Example 12.6. Additional measurements of the spectral, hemispherical emissivity yield a spectral distribution which may be approximated as follows: (a)

Consider the metallic surface of Example 12.6. Additional measurements of the spectral, hemispherical emissivity yield a spectral distribution which may be approximated as follows:

(a) Determine corresponding values of the total, hemispherical emissivity ??? and the total emissive power E at 2000 K.

(b) Plot the emissivity as a function of temperature for 500

0.4 0.2 a um)

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