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Wyszukujesz frazę "Stelegowski, A." wg kryterium: Autor

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    Wyświetlanie 1-2 z 2
    Tytuł:
    Numerical analysis of the selected air parameters in the industrial boiler plant
    Autorzy:
    Cichowicz, R.
    Stelęgowski, A. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/105644.pdf
    Data publikacji:
    2017
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    thermal comfort
    air parameters
    CFD analysis
    komfort cieplny
    parametry powietrza
    analiza CFD
    Opis:
    In every boiler plant, including industrial boiler plants of thermal capacity above 2 MW, substantial heat gains are generated during the work of combustion units. As a result, the indoor air temperature raises in the room, which affects thermal comfort of workers operating such technological installations. Therefore, heat removal requires an effective mechanical ventilation system. A numerical analysis of the selected air parameters in a room equipped with combustion devices was undertaken using computational fluid dynamic (CFD) simulations in the DesignBuilder software. This was done for a combustion plant in the “Installation of Thermal Treatment of Sewage Sludge” building, located in the “Group Sewage Treatment Plant” complex of Lodz, Poland. The numerical analysis was based on experimental measurements and the results concerning the personnel work area were compared to the guidelines of the ISO international standard 7730:2005.
    Źródło:
    Acta Innovations; 2017, 23; 51-61
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected air pollutants in urban and rural areas, under the influence of power plants
    Autorzy:
    Cichowicz, R.
    Stelegowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/105870.pdf
    Data publikacji:
    2018
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    air pollution
    rural area
    urban area
    power plants
    zanieczyszczenie powietrza
    obszar wiejski
    obszar miejski
    elektrownia
    Opis:
    The operation of large power plants, including power stations, and combined heat and power stations, causes the emission of significant amounts of gaseous pollutants into the environment. As a result, in the urban and agricultural areas occurs a pollution of undesirable gaseous substances, such as nitrogen and sulfur oxides. This is especially dangerous for living organisms, soil and water, because, in combination with water vapor, these pollutants are the cause of acid rain. In addition, nitrogen oxides participate in the formation of ground-level ozone, which affects both human health and the condition of existing vegetation. Therefore, the distribution of air pollutants (NO2, SO2 and O3) in the selected urban and rural areas, under the influence of power plants, located in the Lodz Voivodeship, in Poland, in Central-Eastern Europe, was analyzed for a 10-year period (2007-2016). As a result, it was possible to evaluate the impact of the entry into force of Directive 2008/50/EC of the European Parliament and of the Council of 21 May 2008 “on ambient air quality and cleaner air for Europe” on the changes in emissions and concentrations of pollutants in selected locations. As a result of the analysis, a significant decrease in the concentration of SO2 (by 75% in the urban area and by 59% in the rural area), and small changes (from - 8% to + 12%) in NO2 and O3 concentrations in ambient air were found. This indicates the effectiveness of actions aimed at reducing SO2 emissions, however the influence of the power plants on the concentration of air pollutants in these areas is not clear. At the same time, considering the criterion of permissible concentration of ozone and nitrogen dioxide, although the air quality did not improve, the air quality index can be considered as being in the category of "good".
    Źródło:
    Acta Innovations; 2018, 29; 41-52
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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