- 3 Two Surfaces Have The Same Temperature At 4500 C And A Spectral Emissivity From Oum To As Shown In The Figure Below 1 (47.48 KiB) Viewed 36 times
3. Two surfaces have the same temperature at 4500°C and a spectral emissivity from oum to as shown in the figure below.
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3. Two surfaces have the same temperature at 4500°C and a spectral emissivity from oum to as shown in the figure below.
3. Two surfaces have the same temperature at 4500°C and a spectral emissivity from oum to as shown in the figure below. Calculate: a. The average emissivity and emissive power of each surface b. The wavelength of each surface for maximum emissive power c. percentage of emissive power of each surface that is in the visible light range d. which surface is more suitable as the solar absorber? 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 2 6 8 10 12 2 Surface 1 - Surface 2