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Agrawal, D. (2011). The coiling factor in the tungsten filament lamps. 
Added by: Sarina (2024-07-03 11:51:51)   
Resource type: Journal Article
BibTeX citation key: Agrawal2011
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Categories: Englisch = English
Creators: Agrawal
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Papers on tungsten lamps appearing in the pedagogic journals have been essentially assuming straight wire filaments however, in actual practice it is either single coiled or double coiled. This paper reports for the first time the D.D. Van Hover expression for the value of resistance of a coil and Milan R. Vukcevich theory based on coiled-ribbon filament for the radiation energy value from a coil. These expressions are applied to the coiled-wire filaments lamps of 6, 10, 25, 40, 60, 100, 200, 300, and 500 watts to estimate the values of pitch ratio, mandrel ratio and the temperature of the corresponding coil. For simplicity only the single coiled filament lamp cases are considered. Keywords: Tungsten filament lamps, 6-500 watts, coiling factors, pitch ratio, mandrel ratio, temperature of coiled filament.
Added by: Sarina  
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