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Wyszukujesz frazę "sea research" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Analysis of Sea Accidents in 2006
    Autorzy:
    Bogalecka, M.
    Popek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116007.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Sea Accidents
    Marine Accidents
    Centre of Documentation
    Research and Experimentation on Accidental Water Pollution (CEDRE)
    Maritime Casualties
    Ship Accidents
    Human Factor
    safety at sea
    Opis:
    There are less than a hundred accidents and incidents reported in 2006. The information about accidents was logged on to Centre of Documentation, Research and Experimentation on Accidental Water Pollution (CEDRE) and International Maritime Organization websites. Types of ships involved in accidents, location of casualties, types of initial events, consequences and seasons of sea accident were analysed.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 2; 179-182
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental Research in Operation Management in Engine Room by using Language Sentiment/Opinion Analysis
    Autorzy:
    Papachristos, D.
    Nikitakos, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/116334.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety at sea
    Language Sentiment
    Opinion Analysis
    Experimental Research
    Operation Management
    engine room simulator
    Operation Management in Engine Room
    Mixed Methods Research (MMR)
    Opis:
    The paper argues for the necessity of a combination MMR methods (questionnaire, interview) and sentiment/opinion techniques to personal satisfaction analysis at the maritime and training education and proposes a generic, but practical research approach for this purpose. The proposed approach concerns the personal satisfaction evaluation of Engine Room simulator systems and combines the speech recording (sentiment/opinion analysis) for measuring emotional user responses with usability testing (SUS tool). The experimental procedure presented here is a primary effort to research the emotion analysis (satisfaction) of the users-students in Engine Room Simulators. Finally, the ultimate goal of this research is to find and test the critical factors that influence the educational practice and user’s satisfaction of Engine Room Simulator Systems and the ability to conduct full-time system control by the marine crew.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8 no. 4; 605-612
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of factors contributing to the risks of accident
    Autorzy:
    Prayogo, D.
    Ndori, A.
    Andromeda, V. D.
    Kurnianing Sari, D.
    Hartoyo, H.
    Sulistiyowati, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2086299.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety at sea
    safety training
    risks of accdent
    research and development
    questionnaire method
    CIPP model
    basic safety training
    Opis:
    The study is research and development by utilizing the ex post facto approach. The research area is at the KM. Gunung Dempo. The research information was collected using a questionnaire method and then analyzed using evaluative analysis techniques via descriptive-quantitative analysis. This study is evaluative research with N-Gain. The data were collected through questionnaires and interviews. Valid data in the validity test results can be used for research. Two items of data were found to be invalid during the validity test. Result of N-Gain was 0.766 which was in high category, meaning that implementation of system model changed into suitable and powerful to enhance understanding. Result of t-test showed that t for statistical test was 93.398 with significance level = 0.000 (p<0.05), meaning that the model was effective. Drill Program implemented is in a good category. Correlation coefficient of pre-test and post-test was 0.878. Result of N-Gain was 0.766 which was in high category, meaning that implementation of Training application system version turned into top and powerful to enhance learning. Result of t-test showed that t for statistical test was 93.398 with significance level = 0.000 (p<0.05), meaning that the model was effective.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 1; 33--37
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aggregating sea surface hydrodynamic forecasts from multi-models for European seas
    Autorzy:
    Frishfelds, V.
    She, J.
    Murawski, J.
    Nielsen, J. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201473.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    weather research and forecasting
    search and rescue
    operational ocean forecasting
    European Satellite Systems
    surface current
    drifting sea surface temperature
    European waters
    Opis:
    Maritime information services supporting European agencies such as the FRONTEX require European‐wide forecast solutions. Following a consistent approach, regional and global forecasts of the sea surface conditions from Copernicus Marine Service and national met‐ocean services are aggregated in space and time to provide a European‐wide forecast service on a common grid for the assistance of Search and Rescue operations. The best regional oceanographic model solutions are selected in regional seas with seamless transition to the global products covering the Atlantic Ocean. The regional forecast models cover the Black Sea, Mediterranean Sea, Baltic Sea, North Sea and combine the North Sea – Baltic Sea at the Danish straits. Two global models have been added to cover the entire model domain, including the regional models. The aggregated product is required to have an update frequency of 4 times a day and a forecasting range of 7 days, which most of the regional models do not provide. Therefore, smooth transition in time, from the shorter timerange, regional forecast models to the global model with longer forecast range are applied. The set of parameter required for Search and Rescue operations include sea surface temperature and currents, waves and winds. The current version of the aggregation method was developed for surface temperature and surface currents but it will be extended to waves in latter stages. The method relies on the calculation of aggregation weights for individual models. For sea surface temperature (SST), near real‐time satellite data at clear‐sky locations for the past days is used to determine the aggregation weights of individual forecast models. A more complicated method is to use a weighted multi‐model ensemble (MME) approach based on best forecast features of individual models and possibly including near real time observations. The developed method explores how satellite observations can be used to assess spatially varying, near real time weights of different forecasts. The results showed that, although a MME based on multiple forecasts only may improve the forecast, if the forecasts are unbiased, it is essential to use observations in the MME approach so that proper weights from different models can be calculated and forecast bias can be corrected. It is also noted that, in some months, e.g., June in Baltic Sea, even SST was assimilated, the forecast still show quite high error. There are also visible difference between different Copernicus Marine Environment Monitoring Service (CMEMS) satellite products, e.g. OSTIA and regional SST products, which can lead different forecast quality if different SST observation products are assimilated.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 3; 533--541
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Model of Interaction of Water and Tank’s Structure in Sloshing Phenomenon
    Autorzy:
    Krata, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/117117.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Safety and Security in Sea Transportation
    Sloshing Phenomenon
    Water Tank
    Model of Interaction
    Experimental Research
    Numerical Simulation
    Equations of Ship's Movement
    Heeling Moment Calculations
    Opis:
    The paper presents the model of interaction between ship’s tank structure and water contained in the tank. The experimental investigation of sloshing loads in ships’ tank is characterized and the need for description of mutual influence is underlined. The model of interaction is made up for rectangular ship’s tanks and it is assumed to be in time-domain and nonlinear. The solution is based on the data obtained by the experimental research and numerical simulation. The study may be the contribution to more sophisticated estimation of ship’s stability than it takes place nowadays.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 4; 389-395
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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