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    Tytuł:
    Stability study of tank containers placed on a roll-trailer during transportation by railway ferry
    Autorzy:
    Fomin, O.
    Vatulia, G.
    Lovska, A.
    Gerlici, J.
    Kravchenko, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841536.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    railway ferry
    stability study
    tank containers
    roll-trailer
    transportation
    dynamic loading
    liquid cargo handling
    Opis:
    The article presents the results of determining the dynamic load of the load-bearing structure of the tank container placed on a roll-trailer during transportation by railway ferry. For this purpose, a mathematical model was developed, which takes into account the dynamic loading of the tank container during angular displacements of the railway ferry. It is taken into account that the roll trailer is rigidly fixed on the deck, and the tank container and the liquid cargo in the boiler have their own degrees of freedom. The obtained accelerations are taken into account when calculating the stability of the tank container on the roll trailer. Thus the stability of the tank container is provided at lurch angles to 240. The carried-out researches will allow increasing safety of transportations of tank-containers on railway ferries by the sea, and also the efficiency of functioning of combined transportations in the international communication.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 2; 315-319
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    To determine the stability of the metrobus in unstable driving modes
    Autorzy:
    Marchuk, Roman
    Marchuk, Nazar
    Sakhno, Volodymyr
    Poliakov, Viktor M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1838347.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    metrobus roll
    acceleration
    stability
    trailer
    Opis:
    Recently in many cities of the world began to introduce so-called «metrobus» or BRT (Bus Rapid Transit) systems, which became a cheaper alternative to the metro and other rail transport, in particular trams. The aim of the work is to determine the stability indicators of the metrobus in the transitional traffic modes, in particular when performing such manoeuvres as «steering wheel jerk» and «shuffle». For this purpose, the equations of metrobus plane-parallel motion are supplemented by equations of the links of the road train in the vertical plane by halopilation (tangage, trim) and roll. The critical straight-line speed of the three-link metrobus has been determined, which was 32,06 m/s, and this speed is independent of the corners of the steering wheels of the bus and the trailer links. It has been shown that as the steering wheel angle of the bus increases, the difference in the folding angles of the bus increases, with the second folding angle significantly exceeding the first, especially considering the roll of the metrobus body. It has been established that the greatest rolls and loads of the metrobus axles are those of the last trailer, which is the limiting factor for the critical speed. The lateral accelerations of individual metrobus links and their yaw velocity when performing the manoeuvre «steering wheel jerk» and «shuffle, Sl = 24 m», show that both the bus and the second trailer link are a limiting factor when performing various manoeuvres, but the acceleration value does not exceed the permissible 0.4 g, so its stability under these conditions is ensured.
    Źródło:
    Archiwum Motoryzacji; 2021, 91, 1; 63-79
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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