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    Wyświetlanie 1-6 z 6
    Tytuł:
    The impact of room and luminaire characteristics on general lighting in interiors
    Autorzy:
    Pracki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/201481.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    lighting technology
    interior lighting
    energy efficiency
    Opis:
    General lighting is the most common way of illuminating interiors and the source of electricity consumption in buildings. This fact forces the search for lighting solutions effective both for people and the environment. In this study the impact of room and luminaire characteristics on general lighting conditions and energy efficiency in interiors is considered. In rooms of different sizes and reflectances, seventeen luminaire types with various light distributions were arranged in uniform layouts. The levels of average illuminance, uniformity and normalised power density related to two horizontal working planes were calculated. The impact of working plane reduction, room index and reflectances, lighting class and luminous intensity distribution of luminaire on the considered parameters was investigated. The use of the reduced working plane resulted in the increase in the average illuminance (7.7% on average), uniformity (33% on average) and normalised power density (23% on average). The impact of the room index and lighting class on the average illuminance and normalised power density was significant while the impact of the luminaire luminous intensity distribution and room reflectances was low. The normalised power density levels of the general electric lighting in interiors, with luminaire luminous efficacy of 100 lm/W, are in the following range: 1.08‒3.42 W/m2 per 100 lx. Based on these results a normalised power density level of 2 W/m2 per 100 lx is recommended for designing and assessing the new general electric lighting systems in buildings.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 3; 447-457
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strategies influencing energy efficiency of lighting solutions
    Autorzy:
    Pracki, P.
    Wiśniewski, A.
    Czyżewski, D.
    Krupiński, R.
    Skarżyński, K.
    Wesołowski, M.
    Czaplicki, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/201458.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    lighting technology
    interior lighting
    road lighting
    floodlighting
    energy efficiency
    Opis:
    Lighting technologies developed significantly in the last decade. New LED light sources, dedicated luminaires and improved lighting control techniques gave rise to new possibilities in improving energy efficiency of lighting solutions. The article is an overview of interior, road and exterior architectural object lighting design strategies. It also presents design considerations that directly impact lighting conditions and energy eff iciency. Practical examples of the application of basic design strategies, accompanied by the obtained energy results, are also depicted. Issues discussed in the article may be useful in researching and designing interior and road lighting, as well as f loodlighting. They can also be useful in planning and implementing strategies aimed at improving lighting conditions and energy efficiency of lighting solutions.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 711-719
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    HISTORIA ROZWOJU LAMP I OPRAW OŚWIETLENIOWYCH SŁUŻĄCYCH DO OŚWIETLANIA WNĘTRZ MIESZKALNYCH. CZĘŚĆ PIERWSZA
    HISTORY OF LAMPS AND LUMINAIRES FOR DOMESTIC ENVIRONMENT. PART ONE
    Autorzy:
    Sokół, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/441729.pdf
    Data publikacji:
    2015
    Wydawca:
    Sopocka Akademia Nauk Stosowanych
    Tematy:
    lamps
    decorative luminaires
    interior lighting design
    lampa
    oprawa dekoracyjna
    oświetlenie wnętrz
    Opis:
    This paper reflects on the history of decorative luminaire design. The development of the new sources of light within residential environment has been changing the luminaire design. Residential dwellings have been lit by a lot of light sources through the centuries form a point lamps like candle or incandescent lamps to linear florescent lamps and LED strips. A development of SSL technology introduced an idea of lit surfaces. Energy efficiency of light sources and luminaires has been playing more important role since an idea of sustainable design had entered the residential dwellings. The design of electric lighting is combined with daylight design and applied into modern home setups. The changes in energy efficient lighting technology have increased the complexity of luminaire design often leaving a user with a wide choice of luminaires but with a lack of knowledge how to use them.
    Źródło:
    Przestrzeń, Ekonomia, Społeczeństwo; 2015, 7/I; 7-24
    2299-1263
    2353-0987
    Pojawia się w:
    Przestrzeń, Ekonomia, Społeczeństwo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Calculations of energy savings using lighting control systems
    Autorzy:
    Wiśniewski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/200771.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    light management systems
    LED lamps
    LED modules
    LED luminaires
    lighting technology
    interior lighting
    energy efficiency
    Opis:
    The development of technology and design of light management systems remains dynamic. Among all the benefits offered by these systems, the most valuable might definitely be the possibility of saving energy consumption. Knowing the value of energy savings is the key factor that users need to know before deciding to use a lighting management system (the type of light management system). For this purpose, it is useful to simulate the operation of the lighting control system, for example in the DIALux program. Such simulation helps evaluate potential savings in electricity consumption using the proposed lighting control system. In the DIALux program, it is possible to change the luminous flux value of luminaires. In such a case, it becomes possible to semi-simulate the light management system’s operation as we don’t receive actual information on reducing installed power of the lighting system during reduction of the luminous flux value of luminaires. This article shows what type of technical data are important to use for the DIALux program to properly and accurately simulate light management systems and to receive accurate data on energy saving. It also presents the results of photometrical and electric parameter measurements (Φ – luminous flux, P – power, PF – power factor, THDi – total harmonic distortion of current). The article discusses the power control characteristics obtained on the basis of these measurements and explores the source of differences between simulation of energy saving calculations and real measured energy savings. An existing lighting control system installed in an office reception area was used to compare calculations with the real value of energy consumption reduction. The impact of electronic power and control systems on electrical network parameters is also an important problem mentioned in this article. It also explores the effect of power regulation of LED luminaires and LED modules on the value of the power factor and total harmonic distortion (current) value (THDi).
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 809-817
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of residential lighting in Poland: results from a winter term survey
    Autorzy:
    Pracki, Piotr
    Aslanoglu, Rengin
    Kazak, Jan K.
    Ulusoy, Begüm
    Yekanialibeiglou, Sepideh
    Powiązania:
    https://bibliotekanauki.pl/articles/2173716.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    lighting technology
    interior lighting
    residential lighting
    daylighting
    artificial lighting
    survey
    technologia oświetleniowa
    oświetlenie wewnętrzne
    oświetlenie mieszkań
    światło dzienne
    oświetlenie sztuczne
    badania ankietowe
    Opis:
    In 2020, an international project on residential lighting started and was implemented in four countries (Poland, Sweden, UK and Turkey). This article presents the results of a survey carried out in Poland, in the winter term between November 2020 and January 2021. A total of 125 Polish residents (59 women, 65 men, one person did not wish to specify gender) participated in the survey. A variety of data was collected on the respondents and their assessments as well as on their satisfaction with day- and artificial lighting in residential living spaces. The results from questionnaires were analyzed with STATISTICA 13.3. Descriptive statistics and Spearman rank order correlations were adopted to identify the light-related aspects, lighting patterns, and respondents’ perception of day- and artificial lighting conditions in living areas. The results revealed that satisfaction with daylighting in the living area, both in summer and winter, was significantly correlated with daylighting level, daylighting uniformity, sunlight exposure and view-out. The results also revealed that satisfaction with artificial lighting was significantly correlated with artificial lighting level, artificial lighting uniformity and color rendering. The results provide valuable information on lighting and factors that influence the luminous environment in residential living spaces.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 6; art. no. e143107
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Functions of artificial light in the architectural space
    Funkcje światła sztucznego w przestrzeni architektonicznej
    Autorzy:
    Pater, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/370242.pdf
    Data publikacji:
    2016
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    interior
    light
    lighting
    role of light
    oświetlenie
    rola światła
    światło
    wnętrze architektoniczne
    Opis:
    The article describes the role of light in the architectural space. Top features of lighting, which are: ensuring the comfort of light and heat, the decorative and informative role, they are representing the full spectrum of artificial light sources. Each function is important and irreplaceable, and the lighting object is read completely through the prism of each of them.
    Artykuł opisuje rolę światła w przestrzeni architektonicznej. Wyróżnione role oświetlenia (zapewnienie komfortu świetlnego i cieplnego, rola dekoracyjna i informacyjna) stanowią pełne spektrum działania sztucznych źródeł światła. Każda z funkcji jest ważna i niezastąpiona, a obiekt świetlny odczytywany jest w pełni przez pryzmat każdej z nich.
    Źródło:
    Przestrzeń i Forma; 2016, 27; 29-42
    1895-3247
    2391-7725
    Pojawia się w:
    Przestrzeń i Forma
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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