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Assessment reveals an approach for evaluating explosive zones in methanol tank ventilation, indicating improvements in safety performance standards.
With its potential for significant exhaust emission reductions and compatibility with existing fuel infrastructure, methanol is expected to play a crucial role in decarbonizing the maritime sector. The International Maritime Organization’s Interim Guidelines for the Safety of Ships using Methyl/Ethyl Alcohol as Fuel provide a goal-based foundation for regulatory approval of methanol-powered ships. However, presently the applicability of the guidelines is limited due to a lack of relevant safety performance assessment tools and procedures. To partly address this issue, we present a preliminary approach for assessing the explosive zone around the ventilation outlet of a methanol fuel tank. The utility of the approach is demonstrated through a design case study. The results are benchmarked based on EN 60079-10-1.
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Schmid et al. (2025) studied this question.
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