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6 TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

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Analysis of the Influence of Current on the Manoeuvres of the Turning of the Ship on the Ports Turning-Basins

Kornacki J.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2010

Vol. 4, no. 4

397--402

The paper presents the problem of the influence of current on ship during the manoeuvre of the turning and influence on this manoeuvre. The test of the different qualification of the influence of current on the manoeuvre of the turning of the ship was undertaken. The analysis of the influence of the current was conducted on this manoeuvre.

An Influence of the Order to Maintain Minimum Distance Between Successive Vessels on the Vessel Traffic Intensity in the Narrow Fairways

Kasyk L.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2010

Vol. 4, no. 4

379--382

All vessel traffic regulations disturb the randomness of the vessel traffic stream. In this paper the disturbing factor is the order to maintain minimum distance between successive vessels. The intensity of the disturbed vessel traffic has been determined. To achieve this goal the convolution method has been used. Next the connection between traffic stream parameters and this disturbed intensity has been analysed.

Safety of Vessels’ Traffic, Bound for Polish Ports

Hajduk J., Montewka J.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2008

Vol. 2, no. 2

131--134

Vessels’ traffic in the area of Southern Baltic has not been organized yet. Therefore a risk of potential grounding or collisions is imminent. Organization the traffic by means of passive methods like determination the ships’ routes or traffic separation schemes is one of the better measures to improve navigation safety. Although such activities should take into account interests of coastal countries. The whole area should be considered, and the needs arising from traffic at present and in the future should be met. Due to complexity of above problem, solutions that are fragmentary may lead to deterioration of existing situation and cause new threats for all Baltic countries.

Probabilistic Model of Underkeel Clearance in Decision Making Process of Port Captain

Gucma L., Schoeneich M.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2008

Vol. 2, no. 2

167--171

The paper presents practical implementation process of developed probabilistic model of ships underkeel clearance. The model was implemented in “on-line” version and could be used for decision making process of harbour captain in everyday practice. The paper presents the results of validation of the model and the practical guidelines of use in decision making process.

New Development of Ships Routeing in Chinese Navigable Waterways

Hui M., Zhaolin W., Zhengjiang Liu

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2008

Vol. 2, no. 2

127--130

After entering 21 century Chinese waterborne transportation keep high speed development, mmarine traffic order and marine traffic safety become more important issues. In order to enhance marine traffic safety and efficiency, ships routeing systems were implemented in important navigable waters in recent years. After implementation of these ships routeing systems, evaluations on the effects are carried and prove that these ships routeing systems have got obvious effects both on safety and economic efficiency.

Combination of Processing Methods for Various Simulation Data Sets

Gucma M.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2008

Vol. 2, no. 1

11--15

Computer based simulations can be used for assessment of traffic lane perimeters, and an actual level of risk at given area and given conditions. Navigational risk is defined as the product of probability of failure occurrence and the consequences it can cause. Additionally, the definition of risk was supplemented by relative frequency of performing the maneuver in given conditions and in given time t. In article method of simulation data possessing for maneuvers of approaching and entering to port, on base of specific vessels, is presented. Autonomous and non autonomous simulation methods are used for obtaining data sets, are supported in presented software solution, as well as restrictions in its implementation.