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    Wyświetlanie 1-2 z 2
    Tytuł:
    Research on selection of modes of driving heavy trains on main IXB and IXD corridors of JSC "Lietuvos gelezinkeliai"
    Autorzy:
    Lingaitis, L.
    Dailydka, S.
    Jevdomacha, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/374449.pdf
    Data publikacji:
    2012
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    długie i ciężkie pociągi
    paliwa energetyczne
    wykresy w trybie
    long and heavy trains
    fuel and power resources
    mode diagrams
    haulage mode
    Opis:
    Optimum haul times of running for a train schedule and mode diagrams corresponding thereto calculated using the program system passed operational check with the purpose to obtain reliable statistical estimation of their impact on reduction of the fuel consumption on haulage of trains and level of longitudinal dynamic efforts. The optimal speed of the train is chosen (defined) taking into account the given travel time and the longitudinal track profile, when the Diesel locomotive fuel consumption are minimum. Results of experimental research with long trains, weight up to 8000 tons, are presented herein. Experimental operational trips confirmed the correctness of theoretical preconditions and techniques of selection of optimum modes of driving of long trains, demonstrated potential for decrease of level of longitudinal dynamic efforts by 1.5–2 times and achievement of fuel economy on haulage up to 5–8 % when such trains move on a site with the undulating way profile.
    Źródło:
    Transport Problems; 2012, 7, 4; 39-47
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Objectivation of the ecological and economic losses from solid domestic waste at the heating enterprises
    Autorzy:
    Panchenko, Olga
    Domashenko, Maryna
    Lyulyov, Oleksii
    Dalevska, Nataliya
    Pimonenko, Tetyana
    Letunovska, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1836637.pdf
    Data publikacji:
    2021
    Wydawca:
    STE GROUP
    Tematy:
    solid domestic waste (SDW)
    ecological and economic losses
    fuel and energy resources
    heat power industry
    Opis:
    The aim of this research is to study theoretical and practical aspects of the ecological and economic losses from the use of solid domestic waste (SDW) as energy resources in the heat power industry of Ukraine. The methodical approaches to evaluating the ecological and economic losses caused by solid domestic waste (SDW) comprise: the developed algorithm, which evaluates the ecological and economic losses in the SDW use as fuel and energy resources in comparison with basic and project variant; the investigated morphological composition of SDW in the Ukrainian regions, on the basis of which there is proposed a matrix for further calculations of the ecological and economic loss from atmospheric pollution as a result of the energy-intensive SDW combustion at the power plants by the Ukrainian regions. The efficiency of using SDW as secondary energy resources, which essentially depends on the conventional energy resources combustion, is proved. According to the chemical and morphological composition of SDW, the average amount of harmful substances by their element constituents of SDW is determined. The economic loss from the combusting 1 ton of SDW as energy resources is estimated. Reasonability of using SDW as energy resources, based on the optimal ratio between conventional resources and energy-intensive SDW through minimizing total production costs and possible ecological and economic loss, is grounded. It is proved that while estimating the ecological and economic losses, it is necessary to consider the SDW morphological composition and regional specific features regarding the location of heat and power enterprises and organized storage landfills. It is grounded that the obtained estimates of the ecological and economic losses may be used for identifying the ecological and economic evaluation of the SDW efficiency use in the heat power industry at the regional level.
    Źródło:
    Management Systems in Production Engineering; 2021, 3 (29); 235-241
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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