Operational efficiency of the lighting system of bus salons
Journal Title: Вісник Житомирського державного технологічного університету. Серія: Технічні науки - Year 2016, Vol 77, Issue 2
Abstract
In recent years the problem of safety of people is studied primarily in aspects of natural and man-made disasters, fire, health and safety in the workplace. A problem connected with the way of life of the people, in particular with the use of bus transport remains almost out of sight. In addition to the foregoing, there is another side to the issue: modern development of industry and transport is characterized by large-scale introduction of technical measures aimed at saving energy In the specified aspect theoretical dependences for evaluation of technological economic efficiency of light sources in indoor lighting system buses are grounded. This theoretical dependency will make analytical framework justification applying the respective sources of light, taking into account the hygiene requirements to illumination. The methodology of calculation of economic efficiency of lighting of bus salons is offered. Estimating parameter is justified relative objective function value costs per unit of time or distance. The greatest costs are typical for lamps with incandescent bulbs. The least is common to lamps with fluorescent lamps. Led bulbs have no significant advantage even over incandescent lamps. The reason for this is the relatively high color temperature radiation of LED lamps that requires more light levels and, consequently, the high cost of energy, as well as relatively large initial cost of these lamps.
Authors and Affiliations
V. M. Brytkovskyi, S. V. Niemyi
Keywords
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