Now showing items 12-31 of 60

  • DALEC – energy calculation for day- and artificial lighting systems and their impact on energy demand of heating and cooling systems considering control strategies in different clime zones 

    Ebert, Oliver; Junghans, Bert; Geisler-Moroder, David; Werner, Matthias (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    DALEC is a new free web tool (www.dalec.net). Based on climate files DALEC allows energy calculation for artificial and daylight systems and their impact on heat and cooling loads in real-time. In this paper case studies ...
  • Daylight Simulation base on real daylight LED module 

    Mácha, Marek; Sabol, Dušan (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Many lighting companies and light source producers offer daylight simulation on base of different CCT changins. More or less this has nothing to do with real daylight which has completely different spectrum. Our research ...
  • Daylighting in relation to the energy balance of buildings 

    Adámek, Jiří; Baxant, Petr; Vrbík, Petr (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    This article deals with analysis of the effect of the daylight openings on energy balance of buildings and meeting simultaneously the minimum hygienic demand on daylight component. By giving examples the article authors ...
  • Daylighting standards: Do we have the correct metrics? (Invited Paper) 

    Raynham, Peter (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Daylight in buildings is important in a number of ways and can bring benefits to building users and save energy. There are a number of ways to regulate the quality of daylit environments. The paper studies the way daylight ...
  • Delivery of Light to Buildings 

    Žák, Petr; Habel, Jiří; Panská, Zuzana (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Current method of design and evaluation of interior lighting in buildings is pulverized to the solution of individual spaces. Separately is evaluated energy consumption for lighting in the building. In this situation is ...
  • Design and Simulation of Three Phase Shunt Active Power Filter to Eliminate Harmonics of LED Lighting Loads 

    Tirmikçi, Ceyda Aksoy; Yavuz, Cenk (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Non-linear loads are an important fraction of loads in most commercial buildings. Most of these non-linear loads are lighting loads. So a small negative change in their harmonic distortion levels may affect the other loads ...
  • Energy Performance of Public Lighting 

    Gašparovský, Dionýz (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    After energy performance of lighting in buildings assessed in the proces of energy certification was put to life few years ago, the focus is now on energy performance of public lighting. As required by the mandate of the ...
  • The experience with the design and refurbishment of the artificial sky in the SAS daylight laboratory 

    Kittler, Richard; Darula, Stanislav (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Daylight laboratories are equipped with artificial skies for experimental research and testing daylight conditions in specific architectural models as well as for educational purposes. The latter often are meant only as ...
  • Home Lighting: A Challenge to Improve and Standardise 

    Gašparovský, Dionýz; Raditschová, Jana (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Investigation presented in the paper aims to map the current situation in home lighting in order to acquire an imagination on preferences and solutions applied by end users – inhabitants, by means of available technologies ...
  • IEA and lighting retrofit in buildings 

    Darula, Stanislav; Malíková, Marta (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The existing performed building stock in individual countries is very large and a lot of buildings require a retrofit of lighting systems to be more energy efficient, comfortable for users and adaptable to the visual work ...
  • Illuminating Interiors – short retrospective (Invited Paper) 

    Hrdlík, Milan (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Article brings a new view to light as the common denominator of the Universe. From the "big bang" to the present day is electromagnetic radiation accompanying a permanent feature of all forms of life on Earth. The author ...
  • Indoor Daylight Spectral Characteristics and Illuminance Levels Measurements in Deep Space Rooms and its Evaluation for Human Visual and Biological Response 

    Hartman, Peter; Hanuliak, Peter; Maňková, Lucia; Fabian, Miroslav; Hraška, Jozef; Darula, Stanislav (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Slovak standards and regulations for design and evaluation of indoor daylight in residential buildings require average values of the Daylight Factor (D) in two check points as basic criterion. In offices, the daylighting ...
  • Indoor Workplaces with no Daylight: A Real Problem 

    Dubnička, Roman; Smola, Alfonz; Lipnický, Lukáš; Barčík, Michal (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    In general, lighting systems are subjected to verification of photometric parameters after installation what is usually performed by field trial according to lighting project as required by the standard EN 12464-1. ...
  • Influence of light sources used in a street lighting for building and operating costs of lighting systems 

    Terrich, Theodor (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The paper deals with the design of an optimal variant of a public lighting system. Calculations are processed on a model road in urban areas. Completely new lighting system is proposed on 30-years operational period. The ...
  • Influence of quality public lighting on road safety 

    Skála, Jiří (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Society for development of public lighting in cooperation with headquarters of traffic police of Czech Republic and with Ministry of Transport of Czech Republic and with BESIP continues with verifying the results of the ...
  • Influence of SPD on Whiteness value of FWA treated samples 

    Vik, Michal; Viková, Martina; Prince Periyasamy, Aravin (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The Whiteness of textiles, plastics, paper and paints is important aspects, which are considered in daily life. Customers usually prefer white products, especially in summer because of comfort reasons. In addition, white, ...
  • Influence of the calculation grid density to the resulting photometric parameters of public lighting 

    Lipnický, Lukáš; Gašparovský, Dionýz (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    Calculation and measurement of performance parameters of public lighting are performed in a grid of points defined by the CIE publication 140 [1] and European standard EN 13201-3.[2] Calculation grid defined in these ...
  • The Innovation of the Autonomous System for Indoor Illuminance Measurement 

    Drábek, Tomáš; Holub, Jan (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The goal of this report is to show the results we achieved in the field of autonomous indoor illuminance measurement. At the beginning of the paper the state of the art measurement methodology is shown. It is followed by ...
  • KNX system – energy saving not only in the sphere of lighting 

    Kunc, Josef (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    System of electrical installations KNX would be possible to cover up to whole number of different systems, which are determined to control less or most number of functions intended to good internal conditions of buildings ...
  • Latest Developments in LED Standards 

    Yurtseven, M. Berker; Onaygil, Sermin (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2015)
    The LED light sources can be stated as the most promising technology for the last decade from the lighting technology point of view. In order to compare LED chips and LED products from different manufacturers and achieve ...