A novel risk evaluation approach for frequently encountered risks in ship engine rooms

Veysi Başhan*, Hakan Demirel, Muhammet Gul

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The purpose of this study is to evaluate risks which are frequently encountered in the engine room on-board. In this context, twenty common risks are assessed using the neutrosophic analytic hierarchy process (N-AHP) and trapezoidal fuzzy technique for order preference by similarity to ideal solution (TrF-TOPSIS). In maritime risk evaluation, since it is frequently required the linguistic assessment of decision-makers to achieve a robust risk assessment tool, neutrosophic sets and fuzzy sets are used together in this study. Neutrosophic sets represent real-world problems effectively by considering all aspects of decision-making situations, (i.e. truthiness, indeterminacy, and falsity). Therefore, AHP is integrated with neutrosophic sets to assign weights of risk parameters initially. Then, the encountered risks are prioritized by TrF-TOPSIS. Finally, preventative actions for the risks have been discussed. In conclusion of the study, it is shown that skin exposure to the fuels/oils, exposure to chemicals and exposure to high pressure and temperature liquids are the most important risks through the engine room on-board. This study both emphasizes the importance of preventing damage to crew in the risk assessment of ship engine rooms and aims to increase the level of safety control and minimize the potential environmental impacts of a ship's damage.

Original languageEnglish
Pages (from-to)31-54
Number of pages24
JournalBrodogradnja
Volume71
Issue number2
DOIs
Publication statusPublished - 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020, Brodarski Institute. All rights reserved.

Keywords

  • AHP
  • Fuzzy TOPSIS
  • Maritime risk evaluation
  • Neutrosophic sets
  • Ship engine room

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