POLÁČEK, Luboš. What is the real efficiency of bulbs? Physics Education. Bristol, United Kingdom: IOP Publishing, 2012, vol. 2012, No 47, p. 551-558. ISSN 0031-9120. Available from: https://dx.doi.org/10.1088/0031-9120/47/5/551.
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Basic information
Original name What is the real efficiency of bulbs?
Authors POLÁČEK, Luboš (203 Czech Republic, guarantor, belonging to the institution).
Edition Physics Education, Bristol, United Kingdom, IOP Publishing, 2012, 0031-9120.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 20704 Energy and fuels
Country of publisher United Kingdom of Great Britain and Northern Ireland
Confidentiality degree is not subject to a state or trade secret
RIV identification code RIV/00216224:14310/12:00062457
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1088/0031-9120/47/5/551
Keywords in English efficiency; efficiency of bulbs; bulb; fluorescent lamp; lighting; heating; air conditioning; period; sun; elevation angle; price; energy consumption; savings; interior; buildings; tropical; moderate; Stockholm; temperature; DST; duration of lighting
Tags AKR, rivok
Changed by Changed by: Ing. Andrea Mikešková, učo 137293. Changed: 12/4/2013 08:28.
Abstract
Bulbs give light and heat. As we use them for a long time especially in winter, a large part of the heat produced by bulbs lowers the power consumption of the heating system. In this paper the problem of the real efficiency of a bulb is solved when both the lighting and heating effects of illumination of the interior of buildings are taken into account. It is analysed from the viewpoints of the energy consumed and the price of that energy. The real efficiency of bulbs and the savings obtained by replacing them with fluorescent lamps are calculated for various locations.
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