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    Wyświetlanie 1-13 z 13
    Tytuł:
    Drift reduction on sailing boats
    Autorzy:
    Vidmar, P.
    Perkovič, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/360549.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    sailing
    leeway angle
    upwind sailing
    bending rudder
    Opis:
    The research explained in this paper was carried out to investigate the efficiency of different steering systems on sailing yachts. The steering system of a sail yacht mostly includes a simple steering system and a hydrodynamic shaped single rudder or multiple rudders, depending on boat characteristics. One of the basic design guidelines for fast sailing yachts is to reduce wetted surface to minimum allowed by the dynamic stability and maintaining the sailing performances. Deficiencies of different steering systems are discussed and their influences on total drag and yacht manoeuvrability in different sailing directions is analysed. The discussion is focused on steering systems applicable in practice and accepted by the yacht-building industry, although several innovations could be found that remained on their development stage because of their complexity in construction, maintenance, use itself and reliability. All measurements have been conducted at sea applying on board sensors for position and accelerations acquirements. The purpose of the research was to demonstrate that the use of the bended rudder can reduce the leeway angle, the upwind sailing angle and increase the velocity made good to windward.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 32 (104) z. 2; 173-181
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety assessment for a cruise ship terminal
    Autorzy:
    Vidmar, P.
    Perkovic, M.
    Brcko, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/358974.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    cruise ships
    safety assessment
    degree of risk
    hazards
    ship terminal
    Opis:
    Cruise ships arriving in the port of Koper carry approximately 1000 to 3000 passengers and crew members. Such a concentration of people presents a high degree of risk in the event of a major disaster, because it is difficult to control, due to limited space, the dynamics of people in the event of a general panic, the presence of large amounts of fuel, proximity of the city center and other vessels and cargo at the port. To avoid the possibility of hazard events, a good safety assessment must be done prior to a ship’s arrival. One of the methodologies for systematically assessing the risk is a Formal Safety Assessment, a tool for determing and evaluating the risk of potential hazards at a cruise ship terminal. This paper discusses the diverse aspects of safety analysis.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 1; 168-176
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety trends in the oil tanker industry
    Autorzy:
    Vidmar, P.
    Perkovič, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/134966.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    risk assessment
    safety
    oil tanker
    maritime safety
    risk criteria
    oil pollution
    Opis:
    The paper presents the overall risk management state for the crude oil tanker fleet, evidenced by EMSA and other international marine organisations. Based on historical statistical data related to fleet size, accident reports, amount of oil spilled on the sea and the economic value of the crude oil transport business, the risk acceptance criteria are evaluated. The Formal Safety Assessment is further used for a systematic assessment of risk, where potential hazards are analysed with structured methods (HAZID) and represented in event trees. The paper studies three risks: PLL (potential loss of lives), PLC (potential loss of containment) and PLP (potential loss of property). A general approach is presented and discussed with a particular focus on the evolution of risk acceptance in recent decades and evaluations of risk F-N curves for different tanker sizes.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 54 (126); 44-53
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Socio-economic factors in the event of an oil spill in the North Adriatic
    Autorzy:
    Suban, V.
    Pegan, U.
    Demšar, J.
    Tuljak-Suban, D.
    Perkovič, M.
    Bandelj, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201431.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    oil spill
    vulnerability
    Northern Adriatic
    analytical hierarchy process
    costal pollution
    sensitivity mapping
    socio economic assessmnet
    environmental sensitivity index
    Opis:
    Should an oil spill of tier III magnitude occur in the Northern Adriatic, there is a high probability that the oil will reach and pollute the surrounding coastline. Therefore, it is vital to conduct coastal vulnerability studies to develop priority plans and coastal vulnerability maps to help first responders protect the coastline. As there is no common contingency plan for oil spills in the Northern Adriatic, three countries, Italy, Slovenia, and Croatia, which share the area, decided to participate in the North Adriatic Incident Response System (NAMIRS) project. Part of the project was to conduct a coastal vulnerability study in the area. One of the three pillars for determining vulnerability, in addition to the ecological and geomorphological factors, is the socioeconomic aspect, which was studied as part of the research. As there are no clear scientific methods to determine the vulnerability of the socio‐economic factors, a survey was conducted where the participants gave their subjective opinion on its value. This was done through three workshops organised in each participating country, where professional stakeholders familiar with the state of socio‐economic activities assessed their vulnerability. The values obtained were combined with the assessments of the geomorphological and environmental factors and gathered in a coastal vulnerability layer, which was incorporated into a GIS as a standard coastal vulnerability map that will help first responders prioritise coastal protection. The research results will also be useful globally and not just in the area studied by NAMIRS, since the method used is readily applicable to any part of the world.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 3; 685--691
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evacuation model managed through fuzzy logic during an accident in a LNG terminal
    Autorzy:
    Stanković, G.
    Petelin, S.
    Kožuh, M. R.
    Perkovič, M.
    Vidmar, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/360101.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    evacuation model
    LNG terminal
    risk analysis
    fuzzy logic
    safety evacuation
    Opis:
    Evacuation of people located inside the enclosed area of LNG terminal is a complex problem, especially considering that accidents involving LNG are potentially very hazardous. In order to create an evacuation model managed through fuzzy logic, extensive influence must be generated from safety analyses. A very important moment in the optimal functioning of an evacuation model is the creation of a database which incorporates all input indicators. The output result is the creation of a safety evacuation route which is active at the moment of the accident.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 1; 131-137
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of implementation of technologically advanced evacuation models on the process of decreasing the risk during accidents in an LNG terminal
    Autorzy:
    Stanković, G.
    Petelin, S.
    Vidmar, P.
    Perkovič, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/375466.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    LNG
    risk analysis
    evacuation model
    analiza ryzyka
    Opis:
    The continuing growth of the LNG (liquid natural gas) industry has led to a rapid increase in the construction of LNG terminals and the need for accurate risk assessment models as accidents involving LNG are potentially hazardous and pose a major threat. One aspect of risk modeling - evacuation of people to the safe zones of an LNG terminal - is a complex problem that has yet to receive sufficient attention. The aim of this paper is to illustrate how the implementation of a technologically advanced evacuation model may decrease risk during potential accidents in an LNG terminal.
    Źródło:
    Transport Problems; 2017, 12, 1; 25-38
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of speed reduction on navigational safety of container ships
    Autorzy:
    Przywarty, M.
    Gucma, L.
    Perkovic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/360026.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    real-time simulation
    speed reduction
    navigational safety
    movement parameters
    manoeuvrability
    Opis:
    Paper presents results of a real-time simulation experiment which was carried out to study an influence of speed reduction on the navigational safety of container ships. In order to determine changes in the vessels manoeuvrability set of simulated sea trials was carried out. The tests included the measuring of the movement parameters of ships proceeding with different initial speed in different external conditions.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 1; 125-130
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An improvement in ro-ro stern berthing modelled on a case study
    Autorzy:
    Perkovic, M.
    Batista, M.
    Vidmar, P.
    Luin, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/135160.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    mooring analysis
    buoy engineering
    accident
    ro-ro
    windage
    tramontana
    simulation
    Opis:
    The high volume transported by ro-ro vessels has not come without a price. Accidents and incidents related to design – lack of bulkheads, instability, problems with cargo access doors, stowage, securing cargo and lifesaving appliances – are growing along with the size of the vessels themselves. One particular and recurrent problem is the degree of these giant box-like high riding vessels exposed to wind. Recently the effect of a tramontana – a fierce, sudden and short term regional wind – in the Port of Koper was to detach a moored ship, causing an accident. This paper will present a study of that accident, and through simulations and modelling determine an improvement that will allow berthing perpendicular to the stern ramp to function more securely.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 134-142
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hindcast simulation and data fusion: satellite technology applied to illicit pollution at sea
    Symulacja oparta na danych historycznych i dane "fusion": satelitarna technologia stosowana do wykrycia nielegalnych zanieczyszczeń na morzu
    Autorzy:
    Perkovic, M.
    Petelin, S.
    Harsch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/359433.pdf
    Data publikacji:
    2010
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    wyciek
    sprawca
    technologia satelitarna
    slick
    polluter
    satellite technology
    Opis:
    The efforts to maintain the relatively safe status of maritime transport are required, but unfortunately these efforts necessarily go beyond technological improvements to measures necessitated by intentional operational polluters. Science in this aspect is relegated to a defensive position, its direction dictated by environmental crime. The old practices of dumping ship-generated waste and pumping out cargo residues apparently will continue until a mean of identifying perpetrators is established and publicized. We hope that satellite technology can play an important complementary and supporting role in detecting and deterring such pollution. When an early-warning message can be delivered to responsible authorities (mainly coast guards) in real time, satellites can effectively support the possibility of identifying the polluting ship and thus open the way to prosecution of the offenders. This paper is about advances in polluter identification methodology beginning with the analysis of SAR images. Because cases in which a freshly released slick is detected are rare, an acquired image usually depicts a slick that is already weathered, with a currents-and-wind-distorted slick footprint and either no ships or too many ships in the vicinity. If AIS (Automatic Identification System) information is available or can be retrieved through an archive, in most cases the operator is still faces the problem that many ships passed the designated area, or that the slick is outside AIS range, effectively preventing any possibility of identification. Another problem related to polluter tracking is the availability of metocean ancillary data. Highly accurate wind and currents data are necessary for successful backtracking of the slick towards likely polluters and the origin of the spill. Wind and currents data therefore must be validated; for instance, by reading headings from anchored ships or analyzing the differences between integrated courses and headings of ships passing through the area under investigation. Drift caused by external forces for a certain vessel may be further validated through the use of a ship handling simulator.
    Wymagane zabiegi mające na celu utrzymanie bezpiecznego statusu transportu morskiego muszą wykraczać poza ramy ulepszania środków technicznych, niezbędnych do wykrycia działań sprawców zanieczyszczeń na morzu. Nauka w tym aspekcie nie jest w pełni wykorzystana, a postępowanie w sprawie zdarzeń na morzu traktowane jest jako przestępstwa przeciwko środowisku. Dotychczasowe praktyki dumpingu odpadów wytwarzanych przez statki i wyrzucania pozostałości ładunków trwać będą najprawdopodobniej do momentu ustalenia i ujawnienia sprawców. Autorzy mają nadzieję, że technologia satelitarna będzie odgrywać ważną rolę w zakresie wykrywania i powstrzymywania zanieczyszczenia akwenów. Kiedy wiadomość wczesnego ostrzegania może być dostarczona do odpowiednich organów (głównie służby ochrony wybrzeża) w czasie rzeczywistym, satelity mogą skutecznie wspierać identyfikowanie zanieczyszczającego statku, a tym samym ułatwić ściganie przestępców. Niniejszy artykuł opisuje postępy w rozwoju metodologii identyfikacji sprawców zanieczyszczeń, począwszy od analizy obrazów SAR. Przypadki wykrycia świeżych wycieków są rzadkie - uzyskany obraz zwykle przedstawia wyciek, który jest już wyblakły, prądy morskie i wiatr zniekształcają pozostawiony ślad, w pobliżu jest wiele statków lub nie ma żadnego - i nawet gdy informacje z AIS (Automatyczny System Identyfikacji) są dostępne lub też mogą być pobrane z archiwum, to nadal w większości przypadków operator staje przed problemem uniemożliwiającym identyfikację. Inną trudnością, związaną z wyznaczeniem trasy statku zanieczyszczającego, jest dostępność dodatkowych danych. Bardzo dokładne dane o wiatrach i prądach są niezbędne dla skutecznego wyśledzenia potencjalnych trucicieli i źródeł wycieku. Informacje te muszą być potwierdzone, na przykład poprzez odczytanie kursów z zakotwiczonych jednostek lub analizy różnicy między zintegrowanym kursem i pozycją statków przepływających przez obszar objęty dochodzeniem. Dryf spowodowany przez siły zewnętrzne na określony statek może być potwierdzony za pomocą symulatora obsługi danej jednostki.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2010, 20 (92); 107-113
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    M/t “Baltic Carrier” accident. The reconstruction of oil spill with PISCES II simulator application
    Autorzy:
    Łazuga, K.
    Gucma, L.
    Perkovic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/359813.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    oil spill
    accident
    PISCES II simulator
    safety
    mathematical models
    Opis:
    This paper presents reconstruction of the oil spill that occurred as result of an m/t “Baltic Carrier” accident. This reconstruction was carried out with use PISCES II simulator. The result of several simulations could be the step to usability and validation of PISCESS II simulator and as a guideline for setting up this kind of simulations.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 1; 110-115
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determination of the potential pollution of the port of Świnoujście after collision of ships on the approach track
    Autorzy:
    Juszkiewicz, W.
    Gucma, L.
    Perkovic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/135437.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    PISCES II
    oil spill simulation
    oil pollution behaviour
    Pomeranian Bay region
    worst case study
    Opis:
    A key element in ensuring the safety of the port of Świnoujście against oil spills is to ensure combat units are properly equipped with oil spill collecting equipment, and that they have the ability to effectively use the existing resources. All of this should be properly reflected in the port’s contingency plans. It is also important to develop tactics for oil spill combat action that take into account both local conditions and worst case scenarios with parallel checking of these scenarios during the exercise and the table-top exercises. The use of computer simulation to forecast oil spill behaviour allows for better arrangement and more efficient use of resources and the optimum development of antipollution action and tactics. The specific location of the Świnoujście harbour, its breakwaters shape, and that shipping traffic is allowed only on the approaching waterway, may lead one to the conclusion that the port of Świnoujście is completely safe from any possible petroleum pollution after a ships’ collision and the antipollution action should focus only on maximising the protection of the coast. To verify this assumption, simulations of an oil spill spreading after a vessels’ collision were carried out. The purpose of the simulations was to determine the most unfavourable weather conditions which would lead to the port of Świnoujście being polluted, and to define the best tactics for conducting oil spill combat actions under such conditions. The simulations clearly indicated that, with a particular combination of weather conditions, pollution could occur inside the port. It could result in vessel traffic suspension and huge financial losses. Simulations were conducted using the PISCES II oil spill simulator.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 53 (125); 131-137
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of influence of traffic intensity increase on collision probability in the Gulf of Trieste
    Autorzy:
    Gucma, L.
    Przywarty, M.
    Perkovic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/320647.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Forum Nawigacyjne
    Tematy:
    kolizje statków
    ruch morski
    ships' collision
    marine traffic
    Opis:
    The paper presents results of researches aimed at assessing of influence of traffic intensity increase on collision probability in the Gulf of Trieste. Stochastic, simulation model working in fast time was used in the researches. Ships traffic was modeled on the basis of real data obtained from AIS.
    Źródło:
    Annual of Navigation; 2009, 15; 41-48
    1640-8632
    Pojawia się w:
    Annual of Navigation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The possibility of vessel motion data use for high resolution satellite SAR image focusing
    Autorzy:
    Dimc, F.
    Cicuendez, J. I.
    Greidanus, H.
    Perkovic, M.
    Gucma, M.
    Silva, V.
    Duczkowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/359062.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    high resolution SAR imaging
    integrated motion sensors
    Opis:
    Maritime surveillance from space is useful for many applications, such as fisheries control, maritime border control and maritime security. A new generation of satellite-borne Synthetic Aperture Radars is able to provide resolutions of down to 1 meter. In the case of maritime targets, however, their motions lead to blurring in the SAR images, so these high resolutions cannot be attained. Scientific research into how to surmount the existing limits on the use of high-resolution images for maritime surveillance would be of great utility. In this context, high resolution SAR data were collected from ships that have been fitted with motion sensors in order to understand vessel motion impact on detection and recognition capability.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 32 (104) z. 2; 16-19
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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