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    Wyświetlanie 1-8 z 8
    Tytuł:
    Evaluation of the Possibility of Using Hybrid Electric-Propulsion Systems for Inland Barges
    Autorzy:
    Łebkowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/117239.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    inland shipping
    inland barges
    main propulsion
    hybrid electric-propolsion
    hybrid electric-propulsion system
    electric propulsion system
    self-propelled barges
    inland water transport
    Opis:
    The paper presents issues related to the possibility of using an electric propulsion system for inland craft, in this particular case self-propelled barges. Perspectives for development of inland water transport in Poland are presented. Historical engineering designs used in water transport at the turn of the 19th and 20th centuries are shown. The current status of stock used in inland navigation along with the condition of waterways available in Poland is presented. Energy consumption by inland craft using various configurations of propulsion systems is discussed, along with comparison of energy consumption during transport of goods using road transport, rail transport and inland waterway transport. In addition to the hybrid electric and diesel propulsion systems, the alternative is to use the electric rail mules for moving the barges.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 2; 261-269
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reliability evaluation of electrochemical energy storage systems supplying the ships main propulsion system
    Autorzy:
    Szewczyk, P.
    Łebkowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201455.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    reliability assessment
    electric propulsion system
    energy storage systems
    electric ship
    reliability block diagram
    probability of failure occurrence
    hybrid electric-propulsion system
    Opis:
    The paper presents the structure of hybrid and electric modern ship propulsion systems. Types and configuration of electrochemical cells for selected electric energy storage facilities on the ship were presented. The method and results of reliability analyses, such as failure mode effect analysis (FMEA), reliability block diagram (RBD) and fault tree analysis (FTA), used to estimate the probability of failure of the energy storage systems supplying the ship's main propulsion, are presented. Methods of evaluation and verification of the proposed reliability model using a laboratory model and available operational and service data are discussed. A proposal for a quantitative risk analysis of potential damage during the operation of the energy storage has been presented.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 1; 87--94
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of an autonomous transport system for coastal areas
    Autorzy:
    Łebkowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/116973.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    autonomous vehicles
    coastal area
    autonomous transport system
    anmanned units
    ghost ships
    autonomous electric powered vessels
    electric propulsion system
    autonomous system operation
    Opis:
    The article presents a project of an autonomous transport system that can be deployed in coastal waters, bays or between islands. Presented solutions and development trends in the transport of autonomous and unmanned units (ghost ships) are presented. The structure of the control system of autonomous units is discussed together with the presentation of applied solutions in the field of artificial intelligence. The paper presents the concept of a transport system consisting of autonomous electric powered vessels designed to carry passengers, bikes, mopeds, motorcycles or passenger cars. The transport task is to be implemented in an optimal way, that is, most economically and at the same time as safe as possible. For this reason, the structure of the electric propulsion system that can be found on such units is shown. The results of simulation studies of autonomous system operation using simulator of marine navigational environment are presented.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 1; 117-124
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Propulsion module for unmannned vehicle
    Autorzy:
    Polak, F.
    Szczęch, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/244495.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    unmanned vehicle
    hybrid propulsion system
    UGV
    electric generator
    electric propulsion motor
    Opis:
    Solution of the propulsion system of the unmanned vehicle elaborated and built in the Laboratory of Internal Combustion Engines Military University of Technology is shown in the paper. Unmanned vehicles are about to play key role in modern warfare. There are many types of unmanned vehicles. Those which can operate in urban areas, especially inside buildings are considered as a most useful for modern army. Most unmanned vehicles are battery operated, causing low range or low speed of the vehicle. Internal combustion engines are not proper for operation inside buildings, due to exhaust gases produced by engine. Connecting two types of propulsion system, defect of range in battery and gases in combustion engines are eliminated, because we can program vehicle to not turning on engine inside buildings. Using a module for those types of vehicles, we can design entire gamut of unmanned and even manned vehicles, decreasing design costs and repair time due to parts repeatability. Using a prepared propulsion module, design engineer can freely determine length, width and wheel track of designed vehicle. Designed modules enable vehicle fast return to combat ability, due to parts repeatability. One module, used as a host, can reconstruct damage vehicle. There is possibility of using different engines, enlarging list of available modules. Economic factor has also big meaning, due to parts repeatability.
    Źródło:
    Journal of KONES; 2011, 18, 1; 479-482
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical investigations of the engine cooling system in a small power vessel pod propulsion system
    Autorzy:
    Dymarski, C.
    Leśniewski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/258590.pdf
    Data publikacji:
    2008
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    azimuthing electric propulsion
    pod propeller
    heat transfer
    cooling system
    Opis:
    The development of electronics and electrotechnology enabled to put electric motors of the alternating current in the pod and to use them for the main drive of ships. A lot of heat which must be picked up from the system is a problem which is turning up at applying the system of this type. Many big ships lately contended with these problems. Building the small propeller for the boat powered with solar power we decided to check the influence of the chilling middle on the temperature of the work of an engine. In the article we are presenting a built propeller and a way, into which an issue of the exchange of the heat was analysed using the Fluent software.
    Źródło:
    Polish Maritime Research; 2008, 4; 59-65
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of the unmanned vehicle hybrid propulsion system
    Autorzy:
    Baszuk, K.
    Szczęch, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/243705.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    unmanned vehicle
    hybrid propulsion system
    UGV
    electric vehicle
    electrical parameters measurements
    Opis:
    Investigation scheme of the unmanned vehicle is shown in the paper. It is the unmanned vehicle planned to use in military application. Using the unmanned vehicles on modern war field is increasingly popular. The unmanned vehicle is powered with a hybrid propulsion system. The main source of energy is diesel engine and electric generator. It supplies the battery and six propulsion electric motors. In the propulsion system is a lot of components: controllers and electric devices. Is important to know how it works in load condition. Investigation stand was constructed to break all drive wheels. There will be done measuring of electric parameters of the hybrid propulsion system. Temperature of the battery and electric motors, fuel consumption of internal combustion engine needed to appreciate of load and energy balance will be measured as well. Investigation equipment which will be used during investigation is also performed in the paper.
    Źródło:
    Journal of KONES; 2011, 18, 1; 53-56
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recommendations for Training of Crews Working on Diesel-Electric Vessels Equipped with Azimuth Thrusters
    Autorzy:
    Pipchenko, O. D.
    Tsymbal, M.
    Shevchenko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/116343.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    diesel-electric vessels
    azimuth thrusters
    crew training
    ship propulsion
    power plant system
    azimuth propulsion
    risk matrix
    emergency steering
    Opis:
    This study addresses the problem of training the officers, which are assigned to an electrical-driven vessels equipped with azimuth thrusters. A pair of omnidirectional thrusters in combination with power plant system containing several diesel generators imply a potential for a variety of different emergency scenarios, which also includes partial or full loss of control or blackout. These fault scenarios were classified in the article with predefined risk levels depending on the area, time limitation, mode of operation and fault itself. Mutual responsibilities and action algorithms for bridge and engine teams in a step-by-step manner have been developed for each scenario. Personnel behavioral differences in both expected and unexpected emergencies have also been studied.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 3; 567-571
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analysis of selected design variants of propulsion system for an inland waterways ship
    Autorzy:
    Dymarski, C.
    Rolbiecki, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/259631.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    elektryczny układ napędowy
    hydrauliczny układ napędowy
    układ napędowy statku
    ship propulsion systems
    combustion-electric driving system
    combustion-hydraulic driving system
    Opis:
    In this paper are presented design assumptions and technical conditions as well as selected design versions of propulsion system for an inland waterways ship, and also a preliminary comparative analysis of two solutions. In the first version this is a combustion-electric system fitted with frequency converter and in the other - combustion-hydraulic one with hydrostatic reduction gear.
    Źródło:
    Polish Maritime Research; 2006, 1; 3-7
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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