The research of fluorescent lamps’ luminous efficiency depending on their constructions

Authors

  • Юлія Олександрівна Басова Poltava University of Economics and Trade, Ukraine

DOI:

https://doi.org/10.15587/2312-8372.2013.14890

Keywords:

Compact fluorescent lamp, the luminous efficiency, coefficient of performance, lamp’s construction

Abstract

The luminous efficiency of compact fluorescent lamps was studied in the article depending on the quantity of lamps’ channels and the distance between them.

The model, which considers multiple reflections between the parallel placed channels, was used for theoretical analysis of the impact of quantity of lamps’ channels on the luminous efficiency of compact fluorescent lamps. These multiple reflections lead to the loss of luminous flux. The analyzed model can be used not only to assess the efficiency of compact fluorescent lamps that have its channels placed in the same plane, but also to evaluate the construction of compact fluorescent lamps that have spatial arrangement of channels. It was shown that the luminous efficiency decreases when the number of channels increase and the distance between them reduces. When increasing the distance between the channels for more than three diameters the efficiency of compact fluorescent lamps does not reduce significantly (approximately 2-3%). In some cases, these losses can be neglected.

The experimental verification of the worked out model was done. Flux measurements were done on individual fluorescent lamps rated at 4 watts. Those lamps were combined by 2, 4, 6 and 8 pieces.  The lamps were placed the same way with 2, 4, 6 and 8-channel tubes. The results of experiment indicate that the luminous efficiency of multi compact fluorescent lamps is reduced by 2-4% due to multiple reflections. This means that the difference between the calculated and experimental results is less than 5%.

The proposed model can be used for engineering calculations while testing compact fluorescent lamps

Author Biography

Юлія Олександрівна Басова, Poltava University of Economics and Trade

senior Lecturer


The Department of Commodity non-food products

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Published

2013-06-20

How to Cite

Басова, Ю. О. (2013). The research of fluorescent lamps’ luminous efficiency depending on their constructions. Technology Audit and Production Reserves, 3(1(11), 6–9. https://doi.org/10.15587/2312-8372.2013.14890

Issue

Vol. 3 No. 1(11) (2013): Technology audit and production reserves

Section

Technology audit

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Copyright (c) 2016 Юлія Олександрівна Басова

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