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

2 Lozowicka D. H.

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The Possibility of Application of Algorithms Indicating Maximum Paths in Directed Graphs for Modeling of the Evacuation Process

Lozowicka D. H.

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

2010

Vol. 4, no. 2

227--231

In the introduction, ways of accounting geometrical, population, environment and procedure parameters in the computer evacuation simulating programs have been shown. In the part to follow the meth-od for graph theory based representation of the geometry of escape routes has been described. Besides, means of indicating the longest time of emergency evacuation is proposed using a modified Warshall’s algorithm to find the maximum weights in the directed graph. The use of the algorithm to indicate maximum escape routes makes it possible to verify the arrangement of escape routes in newly designed or existing ships.

Analysis of Factors Affecting the Evacuation of People from Vessels in Life-Endangering Situations

Lozowicka D. H.

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

2008

Vol. 2, no. 2

187--189

The trends to build ever larger passenger vessels enforce the necessity of continuous improvement of safety systems on such ships. Sea voyages constitute nowadays an attractive form of spending one’s leisure, which is why people aboard vessels should also have their safety ensured in the case of a necessity to evacuate them. Paper presents the methods of lengthening of the time available for conducting evacuation, shortening the time of becoming aware of the necessity of evacuation and shortening the time of evacuation itself. An interesting concept of signalling the direction of evacuation by means of sound, bound strictly with the way man’s instrument of hearing functions and the way of locating the source of sound is also presented at the paper. A new approach to designing evacuation systems is discussed at the paper. The concept of a “safe haven” is presented.