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Agrawal, D., Leff, H., & J. Menon, V. (1996). Efficiency and efficacy of incandescent lamps. American Journal of Physics - AMER J PHYS, 64, 649–654. 
Added by: Sarina (2019-06-25 06:50:14)   
Resource type: Journal Article
DOI: 10.1119/1.18260
BibTeX citation key: Agrawal1996
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 Categories: Englisch = English
Creators: Agrawal, J. Menon, Leff
Collection: American Journal of Physics - AMER J PHYS		 Views: 1/710
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Abstract
Planck's radiation formula is used to estimate the dimensionless efficiency of incandescent lamps as a function of filament temperature, with typical values of 2%-13%. Similarly, using the known spectral luminous efficiency of the eye, the efficacy of incandescent light bulbs is estimated as a function of temperature, showing values of 8-24 L W-1 for bulbs of 10-1000 W. The efficiency and efficacy results compare favorably with published data and enable estimation of the filament temperature for any lamp of known efficacy.

Added by: Sarina  
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