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1
Content available Safety trends in the oil tanker industry
Vidmar P., Perkovič M.
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2018
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nr 54 (126)
44--53
EN
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.
2
Content available Influence of implementation of technologically advanced evacuation models on the process of decreasing the risk during accidents in an LNG terminal
Stanković G., Petelin S., Vidmar P., Perkovič M.
Transport Problems
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2017
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T. 12, z. 1
25--38
EN
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.
3
Content available Using maritime simulation systems to present complex information in maritime museums
Gucma L., Przywarty M., Budzan T., Karwowski L., Vidmar P., Hribar U.
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2016
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nr 45 (117)
75--81
EN
The paper presents the stages of creation of an autonomous historical navigational system simulator working both in real and accelerated time. The simulator allows performance of navigation tasks from the time of the ancient Vikings, as well as to fix a position by using the Decca system on a real Mk21 receiver recreated to cooperate with the artificial Decca system model. The Viking solar compass discovered on Wolin Island in 2013 was the trigger for creating such a simulator as part of a broader exhibition of navigational systems and tools. The main intention of the exhibition is to demonstrate the hyperbolic navigation application that links both systems.
4
Content available An improvement in ro-ro stern berthing modelled on a case study
Perkovic M., Batista M., Vidmar P., Luin B.
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2016
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nr 45 (117)
134--142
EN
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.
5
Content available Safety assessment for a cruise ship terminal
Vidmar P., Perkovic M., Brcko T.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2013
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nr 36 (108) z. 1
168--176
EN
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.
6
Content available Evacuation model managed through fuzzy logic during an accident in a LNG terminal
Stanković G., Petelin S., Kožuh M. R., Perkovič M., Vidmar P.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2013
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nr 36 (108) z. 1
131--137
EN
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.
7
Content available Drift reduction on sailing boats
Vidmar P., Perkovič M.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2012
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nr 32 (104) z. 2
173-181
EN
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.
8
Content available remote Technological Advances and Efforts to Reduce Piracy
Perkovic M., Twrdy E., Harsch R., Vidmar P., Gucma M.
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
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2012
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Vol. 6, no. 2
203--206
EN
The technological contributions to the reduction of piracy not only involve implementations of recent technological advances, but, importantly, the dissemination of the education required to apply current and future technologies, particularly in those states in the regions where piracy is rampant. To this end, the EU’s MARSIC project, with the stated aim of enhancing security and safety in the Gulf of Aden and the western Indian Ocean through ‘..information sharing and capacity building, (and) highlighting regional coop-eration’ (Marsic 1st monitoring report, 2010) has recently been inaugurated. The Faculty of Maritime Studies and Transport of the University of Ljubljana, and the Maritime University of Szczecin, as partners in this pro-ject, will bring to bear both the most advanced technological applications to maritime affairs of satellite im-agery, simulation, and risk assessment, and guarantee their utility through the transfer of knowledge. In Yem-en and Djibouti, maritime stations will be established, personnel trained, and a sustainable level of expertise eventually left in place. Interest in such projects has also been expressed by maritime experts in Tanzania and Kenya. The advantage this approach has over other donor-supported solutions begins with regional involve-ment and an inclusive approach, its ultimate success to a large degree dependant on factors external to the project such as financial incentives for the nations of the region to protect European and Far East Asian ship-ping. The project is closely coordinated with a parallel EU-funded project executed by European Commis-sion’s Joint Research Centre (JRC) on maritime surveillance technologies application in the region.
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