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    Wyświetlanie 1-7 z 7
    Tytuł:
    Risk modelling and management in large-scale, distributed transportation systems
    Autorzy:
    Montewka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2069423.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    risk
    maritime transport
    transportation systems
    F-N
    RoPax
    Opis:
    Large-scale distributed transportation systems can pose various risks in terms of fatalities, environmental pollution, or loss of property. In particular, accident where a vehicle carrying large number of passengers is involved may pose a high risk with respect to human casualties, moreover it will immediately raise a public and political concern. This is an issue in case of maritime transportation systems (MTS), as the biggest ships nowadays can carry up to 8500 people at once (m/s Oasis of the Seas). Thereby lot of effort has been put to increase safety of ships carrying passengers; however the holistic approach to model and manage the risk existing in the MTS is still missing. This paper makes an attempt to fill this gap, by presenting a data-driven model evaluating risk level in the existing MTS and by introducing a systematic methodology for mitigating the risk. Moreover the MTS operating in the Gulf of Finland under non-ice conditions is addressed, where heavy passenger traffic is observed.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2012, 3, 1; 113--122
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of a static, homogeneous magnetic field on the sorption properties of soybean meal during maritime transport
    Autorzy:
    Ocieczek, A.
    Kaizer, A.
    Otremba, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063955.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    cargo transportation
    magnetic field
    soyabean meal
    maritime transport
    sea transportation
    sorption properties
    brunauer
    bulk cargo
    Opis:
    Providing safety and maintaining high quality of dry cargo, transported by sea, is associated with the necessity of taking into consideration their specific property, which is hygroscopicity. Susceptibility to the impact of water, which also occurs in vapour state, concerns mainly dry cargo, which are organic matter, containing carbohydrates and protein in their composition. This is because these substances have strong connection with water. The example of a bulk cargo often transported by sea is soybean meal, which is mainly produced in the USA, Brazil and Argentina. Due to its economic importance, the quality of soybean meal, which is globally used in the animal nutrition (poultry and swine), remains an important research issue. This product is obtained by subjecting the soybeans to cracking and dehulling processes, in order to facilitate the extraction of the oil. Water absorption of soybean meal causes reactions taking place in it, which leads to the changes in its chemical composition and, consequently, also in its nutritional values. Moreover, increasing the water content, leading to the increase of water activity, may significantly deteriorate the microbiological safety of the meal. Therefore, the research was undertaken to determine whether the sorption properties of soybean meal will change due to the influence of a static, homogeneous magnetic field. This aim has been achieved by determining and comparing the water vapour adsorption isotherms. The comparison of the isotherms determined under normal conditions and under the influence of a static, homogeneous magnetic field with an induction of 10 mT has been made on the basis of empirical data. Furthermore, using the Brunauer, Emett and Teller equation (BET), the monolayer and the energy constant of the sorption process have been estimated. The isotherms were determined at 20°C. The study lasted 9 days. Desiccators with aqueous supersaturated solutions of substances and a generator of a static magnetic field were used in the research. The obtained results have indicated that the influence of the magnetic field is a factor that causes the differentiation between the sorption properties of soybean meal expressed in the volume of the monolayer and the energy associated with the sorption phenomenon. The inferred findings show, that the magnetic field has an impact on the course of the sorption phenomenon in organic samples, and may determine the stability of the cargo during long-term maritime transport.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 649--657
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Challenges for Polish Seaports’ Development in the Light of Globalisation Processes in Maritime Transport
    Autorzy:
    Przybyłowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/117004.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime transport
    Globalisation Processes
    Polish Ports
    EU Transport Policy
    Integration in Maritime Transport
    Blue Paper
    Containerisation
    Sea Transportation
    Opis:
    Ports operations become more capital intensive, labour saving and space consuming. Due to globalization processes and liberalization of the EU transport markets the seaports are under the huge competitive pressure put mainly by container transport operators committed in the logistic transport chains. Polish seaports have difficulties in facing such a competitive environment.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 4; 457-462
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Maritime Transport Development in the Global Scale – the Main Chances, Threats and Challenges
    Autorzy:
    Grzelakowski, A. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/117547.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime transport
    Sea Transportation
    Global Economy
    International Transport
    safety at sea
    Security at Sea
    Maritime Transport Process
    Global Shipping Industry
    Opis:
    International transport is a subject to many regulatory measures worked out by governments, international organisations (e.g. IMO, ILO, EU), regional institutions and public entities. As a result, such regulatory mechanism, which is getting throughout international, strongly affects the real sphere of maritime transport as well as its productivity and efficiency. Maritime transport operators have to apply to many new standards and rules set by international public regulators aimed mainly at improving and enhancing safety and security at sea. It is sometimes very painful process in terms of costs and time but inevitable to survive in the highly competitive environment. The author analyses the nowadays existing regulatory mechanism in maritime transport and tries to evaluate it in terms of its impact on effectiveness of maritime transport processes.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 2; 197-205
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Equilibrium Moisture Content Importance in Safe Maritime Transport of Black Tea
    Autorzy:
    Dmowski, P.
    Ruszkowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/117591.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime transport
    black tea
    maritime transport of black tea
    carogo transportation
    equilibrium moisture content
    moisture content
    moisture
    transport of tea
    Opis:
    In sea transport, a very important thing is an assignment of cargo to a particular class of storage climate conditions and it is carried out on the basis of the requirements that cargo places upon its storage atmosphere. The water content of black tea must not fall below 2%, as the product otherwise becomes haylike and its essential oils readily volatilize, while on the other hand, it must not exceed 9% as it then has a tendency to grow mould and become musty. Therefore, tea requires particular temperature, humidity/moisture and possibly ventilation conditions. In this context, tea is a hygroscopic material that has the ability to absorb or desorb water in response to temperature and relative humidity of the atmosphere surrounding it. The moisture content of tea is one of the most important variables affecting its chemical and sensory properties. Therefore, to explore and predict the behaviour during transport of tea, its equilibrium moisture content must be determined for a range of transport temperatures and relative humidities. The present paper focuses on the evaluate the hygroscopic properties of tea from Rwanda with different degree of fragmentation based on isotherms of water vapour sorption and characteristics selected parameters of the surface microstructure determining transport conditions and therefor microbiological stability of teas.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 2; 399-404
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aspekty bezpieczeństwa przewozu gazu ziemnego morzem
    Safety aspects of natural gas transport by sea
    Autorzy:
    Herdzik, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/314095.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    gaz ziemny
    LNG
    CNG
    transport morski
    transport gazu ziemnego
    gazowce
    bezpieczeństwo transportu morskiego
    natural gas
    maritime transport
    natural gas transportation
    gas carriers
    maritime transport safety
    Opis:
    W artykule omówiono problem przewozu gazu ziemnego morzem z uwzględnieniem aspektów bezpieczeństwa dla statku, załogi i środowiska. Omówiono formy przewozu w postaci: gazu skroplonego (LNG), sprężonego gazu (CNG) oraz zamrożonych hydratów metanu. Wskazano na główne zagrożenia, przede wszystkim jest nim tworzenie z powietrzem mieszanin palnych i wybuchowych. Czujniki wykrywające obecność gazu w wielu newralgicznych pomieszczeniach (informacja o nieszczelności systemu ładunkowego lub instalacji ładunkowej) oraz czujniki dymu wykrywające pożar są standardowym zabezpieczeniem na gazowcach. Gazowce przewożące skroplony gaz ziemny (LNG) są dużymi statkami. Energia cieplna przewożonego ładunku w przypadku pożaru części ładunkowej stwarza poważne zagrożenie nie tylko dla statku, zdrowia i życia załogi, ale i otaczającego środowiska. W rezultacie gazowce przewożący niebezpieczny ładunek poruszają się wyznaczonymi trasami żeglugowymi i są pod specjalnym nadzorem w morzu, jak i w terminalach lądowych. Odpowiednie przeszkolenia załóg oraz ich doświadczenie pozwalają na bezpieczny przewóz gazu ziemnego.
    Paper discussed the problem of natural gas transport by sea, taking into account the safety aspects for vessel, crew and environment. It was discussed the states of NG carrying as liquefied gas (LNG), compressed gas (CNG) and methane hydrates. It was indicated the main hazards, mainly flammability, explosion limits. The gas and smoke detectors are the standard equipment on gas tankers. LNG tankers are large so the heat energy of fire is a danger for vessel, health and life of crew and the environment. The LNG vessels sail through special sea routes, are under special supervision at sea and in terminals. The crew training, experience and required certificates allow for safe transport of natural gas by sea.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 9; 62-67
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety of oversize cargo in ports and in the sea transport
    Autorzy:
    Chmieliński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116402.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety of sea transportation
    oversize cargo
    safety of oversize cargo
    safety at sea
    safety in port
    oversize cargo in maritime transport
    maritime transport
    extra large oversize units
    Opis:
    Author of the paper analyzes problems related to the safety of the oversize cargo in ports and in the sea transport. Various modes of transport are used to carry oversized units that often include maritime transport. Transport of oversized cargo includes non-standard large and heavy pieces of cargo, such as electric transformers, reactor vessels, wind turbines, airplane fuselage or nuclear power plant components. The above paper is based on results of research oversized cargo in the Elpo Service Company and Pol-Mare Ltd. forwarding consulting agency.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 151-157
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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