A flame from a match may be approximated as a blackbody at the effective surface temperature of 1830 K, while moonlight may be approximated as a blackbody at the effective surface temperature of 4130 K, respectively. Determine the peak spectral blackbody emissive power for both lighting sources (match flame and moonlight). Given:  C1 = 3.74177 × 108 W·μm4/m2  C2 = 1.43878 × 104 μm·K   (λT)maxpower = 2897.8 µm·K   For a match flame (T = 1830 K), the peak spectral blackbody emissive power, Ebλmax (1830) = _____ × 105 W/m2·µm.  For a moonlight (T = 4130 K), the peak spectral blackbody emissive power, Ebλmax (4130) = ______ × 107 W/m2·µm.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A flame from a match may be approximated as a blackbody at the effective surface temperature of 1830 K, while moonlight may be approximated as a blackbody at the effective surface temperature of 4130 K, respectively. Determine the peak spectral blackbody emissive power for both lighting sources (match flame and moonlight).


Given: 
C1 = 3.74177 × 108 W·μm4/m2 
C2 = 1.43878 × 104 μm·K  
(λT)maxpower = 2897.8 µm·K

 

For a match flame (T = 1830 K), the peak spectral blackbody emissive power,

Ebλmax (1830) = _____ × 105 W/m2·µm. 

For a moonlight (T = 4130 K), the peak spectral blackbody emissive power,

Ebλmax (4130) = ______ × 107 W/m2·µm. 

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