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    Wyświetlanie 1-8 z 8
    Tytuł:
    Oil Spill Models: A State of the Art of the Grid Map as a Function of Wind, Current and Oil Parameters
    Autorzy:
    Mazurek, J.
    Smolarek, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/116520.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    oil spill
    Oil Spill Model
    Grid Map
    wind
    current
    Oil Parameters
    Opis:
    An integrated model, which contains flow and transport‐fate modules, will be presented for simulating transport and fate of oil spills at seas. The flow module uses different kinds of meshes that provide great flexibility for modeling the flow in complex geometries of currents and barriers. The refined grid resolution in regions of interest is important. Horizontal diffusion is simulated using random walk techniques in a Monte Carlo framework, whereas the vertical diffusion process can be solved on the basis of the Langeven equation. The model contains the most significant processes which affect the motion of oil particles. For a better fit to the curvature of the coastline there are used unstructured non overlapping rectangular or triangle grid cells. Special attention must be paid to choose the horizontal and vertical resolution in simulating the oil trajectory in the coastal area.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 19-23
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Implementation of Oil Spill Costs Model in the Southern Baltic Sea Area to Assess the Possible Losses Due to Ships Collisions
    Autorzy:
    Gucma, L.
    Goryczko, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/117188.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    pollution
    Environment Protection
    Oil Spill
    Baltic Sea
    Ships Collision
    Assessment of Losses
    Simulation Method
    Oil Spill Costs Model
    Opis:
    The paper presents an attempt to assessment of losses due to oil spills caused by ships collisions in the Southern Baltic Sea area. To assess the losses the data from two models were used. First of them is simulation model of ships collision with consideration of oil spills developed and the second is the model of oil spill cleanup cost is applied without consideration of environmental conditions influence.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 4; 405-407
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Estimation of surrounding the spillage time
    Autorzy:
    Mazurek, J.
    Smolarek, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2069124.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    oil spill
    stochastic model
    firefighter problem
    Opis:
    This article presents the model of oil spill on the grid graph. We consider the three types of grid which parameters are corresponding to condition on the sea. The firefighter problem gives the algorithm to bound the oil spill. We compare the action starting time in model described by sum of N variables with the uniform probability distribution and the action starting time in real situation described by sum of two triangular random variables. For every type of grid we determine the Time Average of Going Around of the Spill.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2012, 3, 2; 245--250
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Smart system to coordination of the available response resources in an oil spill leakage
    Autorzy:
    Panaitescu, M.
    Panaitescu, F. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/116323.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    oil spill
    oil spill leakage
    oil spill response
    response to pollution
    mathematical model
    marine pollution
    response resources
    applying simulation study
    Opis:
    A smart solution for assessing the consequences of pollution on the coast, on flora and fauna but also by accounting for the total costs of the equipment used in the response to pollution is a system for assessing, coordinating and simulating the risk situation with the help of a mathematical model implemented on a simulator. The mathematical model for the simulation of the event of pollution is the latest generation and take into account all the meteorological factors of the sea and air, as well as all the physico-chemical parameters of the substances involved (dispersion, surface tension). The simulator is used for the realistic modeling of a crisis situation and it is useful for both marine officers and emergency situation officials. The simulator will be used as an educational instrument enabling the interactive study of the different emergency situations. In this paper we present the simulation of incident and the creation of response resources. The scenario incident is for KAPTAN M cruise ship that left the tourist port of TOMIS Constanta, Romania, having on board 20 passengers and a number of 15 crew members, and which collided with the oil ship EVIA Oil FIVE, having on board the quantity of 4200 MT crude oil. As a result of the collision, the passenger ship suffered a breach (water hole), on the starboard board, breach by which the ship began to ambarce sea water and in the car compartment a fire was produced. Containment and recovery of an oil spill during the exercise will be simulated through activation and control of response resources. The resources involved in the operations are divided into: platforms, equipment and personnel. The results of simulation is the list of response resources specified in the scenario together with their parameters, which can be exported into a text file. With this simulation tools you can efficiently appreciate the cost of resources in due time, avoiding material and human damage.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 1; 205-212
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Probabilistic approach to determination of oil spill domains at port and sea water areas
    Autorzy:
    Dąbrowska, E.
    Kołowrocki, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/116051.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    oil spill
    oil spill domains
    determination of oil spill
    Semi-Markov Model
    sea water areas
    port area
    probabilistic approach
    hydro-meteorological conditions
    Opis:
    Maritime safety involves minimizing error in all aspects of the marine system. Human error has received much importance, being responsible for about 80% of the maritime accident worldwide. Currently, more attention has been focused to reduce human error in marine engine maintenance. On-board marine engine maintenance activities are often complex, where seafarers conduct maintenance activities in various marine environmental (i.e. extreme weather, ship motions, noise, and vibration) and operational (i.e. work overload and stress) conditions. These environmental and operational conditions, in combination with generic human error tendencies, results in innumerable forms of error. There are numerous accidents that happened due to the human error during the maintenance activities of a marine engine. The most severe human error results in accidents due to is a loss of life. Moreover, there are other consequences too such as delaying the productivity of marine operations which results in the financial loss. This study reviews methods that are currently available for identifying, reporting and managing human error in marine engine maintenance. As a basis for this discussion, authors provide an overview of approaches for investigating human error, and a description of marine engine maintenance activities and environmental and operational characteristics.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 51-58
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ograniczanie ekspansji rozlewu olejowego : model symulacyjny
    Limiting the oil spill expansion : simulation model
    Autorzy:
    Smolarek, L.
    Mazurek, J
    Wysocki, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/311876.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    model symulacyjny
    rozlew olejowy
    ograniczanie
    simulation model
    oil spill
    limiting
    Opis:
    Artykuł przedstawia model symulacyjny ograniczania ekspansji rozlewu olejowego. W pracy omówiono założenia i przeznaczenie modelu. Przedstawiono składowe oraz architekturę programu komputerowego, na podstawie którego zbudowano model symulacyjny. Zaprezentowano panel konfiguracji programu oraz przedstawiono funkcjonalność poszczególnych elementów panelu. Istotny element artykułu stanowi wynik działania programu przedstawiony za pomocą wybranego przykładu oraz zestawienie parametrów uzyskanych na drodze symulacji. Podejście symulacyjne dostarcza parametry ograniczania rozlewu olejowego scharakteryzowane ilościowo co pozwala analizować przebieg symulowanych działań ratowniczych.
    The article presents a simulation model limiting oil spill expansion. The work discusses the assumptions and purpose of the model. The components and the architecture of the computer program were presented based on which the simulation model was built. Configuration panel of the program and specific functions of the elements of the panel were presented. The important element of the article is result of the program shown by the means of the chosen example and parameters comparison that resulted from the simulation. Simulation approach delivers parameters limiting the oil spill expansion characterized in quantity that allows to analyse simulated rescue actions.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2018, 19, 12; 143-147
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monte Carlo simulation approach to determination of oil spill domains at port and sea water areas
    Autorzy:
    Dąbrowska, E.
    Kołowrocki, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/116316.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    oil spills domains
    Monte Carlo simulation
    determination of oil spill
    port area
    sea water areas
    oil spill
    Semi-Markov model
    hydro-meteorological conditions
    Opis:
    Monte Carlo simulation method of oil spill domains determination based on the probabilistic approach to the solution of this problem is proposed. A semi-Markov model of the process of changing hydro-meteorological conditions is constructed and its parameters are defined. The general stochastic model of oil spill domain movement for various hydro-meteorological conditions is described. Monte Carlo simulation procedure is created and applied to generating the process of changing hydro-meteorological conditions and the prediction of the oil spill domain movement impacted by these changes conditions.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 59-64
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A model for risk analysis of oil tankers
    Model oceny ryzyka statków do przewozu ropy naftowej
    Autorzy:
    Montewka, J.
    Krata, P.
    Goerlandt, F.
    Kujala, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/224319.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    transport morski
    ryzyko w transporcie morskim
    tankowce
    ocena ryzyka
    kolizja statków
    model oceny ryzyka
    maritime risk
    maritime transportation
    collision
    grounding
    modelling
    tankers
    oil spill
    Gulf of Finland
    Opis:
    The paper presents a model for risk analysis regarding marine traffic, with the emphasis on two types of the most common marine accidents which are: collision and grounding. The focus is on oil tankers as these pose the highest environmental risk. A case study in selected areas of Gulf of Finland in ice free conditions is presented. The model utilizes a well-founded formula for risk calculation, which combines the probability of an unwanted event with its consequences. Thus the model is regarded a block type model, consisting of blocks for the probability of collision and grounding estimation respectively as well as blocks for consequences of an accident modelling. Probability of vessbl colliding is assessed by means of a Minimum Distance To Collision (MDTC) based model. The model defines in anovel way the collision zone, using mathematical ship motion model and recognizes traffic flow as a non homogeneous process. The presented calculations address waterways crossing between Helsinki and Tallinn, where dense cross traffic during certain hours is observed. For assessment of, a grounding probability, a new approach is proposed, which utilizes a newly developed model, where spatial interactions between objects in different locations are recognized. A, ship at a seaway and navigational obstructions may be perceived as interacting objects and their repulsion may be modelled by a sort of deterministic formulation. Risk due to tankers running aground addresses an approach fairway to an oil terminal in Skoldvik, near Helsinki. [...]
    W artykule przedstawiono model oceny ryzyka w transporcie morskim, w aspekcie kolizji statków oraz wejść na mieliznę. W modelu przyjęto jeden typ statków, tankowce do przewozu ropy naftowej, z uwagi na fakt, iż w przypadku wystąpienia kolizji lub kontaktu z dnem statek ten może stanowić bardzo poważne zagrożenie dla środowiska. W pracy przedstawiono dwa nowatorskie podejścia do modelowania prawdopodobieństwa wystąpienia powyższych wypadków. Model do oceny prawdopodobieństwa kolizji statków definiuje w nowy sposób strefę kolizji, w oparciu o właściwości manewrowe statku oraz jego hydrodynamikę. Intensywność ruchu morskiego na analizowanym akwenie modelowana jest w oparciu o proces niestacjonarny, w przeciwieństwie do istniejących modeli. Model oceny prawdopodobieństwa wejścia na mieliznę wykorzystuje model grawitacyjny, który wyznacza bezpieczny obszar manewrowy dla danego statku i danego akwenu. W modelu tym statek i otaczające go płycizny traktowane są jako masy, wzajemnie na siebie oddziaływujące. Obydwa modele wykorzystują dane o ruchu statków zarejestrowane w systemie automatycznej identyfikacji statków (AIS). Analiza ryzyka przeprowadzona została dla dwóch wybranych akwenów w Zatoce Fińskiej. Jako konsekwencje wypadku przyjęto model kosztów, skonstruowany w oparciu o dane statystyczne z międzynarodowego funduszu IOPCF, który pokrywa koszty w związku z rozlewem olejowym na morzu.
    Źródło:
    Archives of Transport; 2010, 22, 4; 423-445
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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