Daylight And Incandescent Light May Be Approximated As A Blackbody At The Effective Surface Temperature Of 5800k And 290 1 (245.42 KiB) Viewed 22 times
Daylight and incandescent light may be approximated as a blackbody at the effective surface temperature of 5800K and 2900K, respectively. a) Determine the radiation energy in (W/m2) emitted by daylight within the visible light region (0.40 -0.76 um). b) How larger is the radiation energy of daylight compared to incandescent light?
Blackbody radiation functions f λT, μm.K 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 fr 0.000000 0.000000 0.000000 0.000016 0.000321 0.002134 0.007790 0.019718 0.039341 0.066728 0.100888 0.140256 0.183120 0.227897 0.273232 0.318102 0.361735 0.403607 0.443382 0.480877 0.516014 λT, µm.K 6200 6400 6600 6800 7000 7200 7400 7600 7800 8000 8500 9000 9500 10,000 10,500 11,000 11,500 12,000 13,000 14,000 15,000 fx 0.754140 0.769234 0.783199 0.796129 0.808109 0.819217 0.829527 0.839102 0.848005 0.856288 0.874608 0.890029 0.903085 0.914199 0.923710 0.931890 0.939959 0.945098 0.955139 0.962898 0.969981
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!