Decarbonisation: Safety of hydrogen as fuel for shipping

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(www.MaritimeCyprus.com) This reports are developed as a part of the project “EMSA study investigating the safety of hydrogen as fuel on ships”.

The overall objective of the project is to carry out a structured set of safety assessments and reliability analyses, delivering a Guidance document addressing ships using hydrogen as fuel. The purpose is to support regulators and the industry navigating towards a safe and harmonised deployment of hydrogen as fuel which could demonstrate an important step towards decarbonisation of the sector.

The first report presents a comprehensive examination of three topics: Firstly, the reliability of various equipment to be used in hydrogen-fuelled ships is presented and potential failure modes are identified. Secondly, the performance and reliability of selected safety-critical systems within generic hydrogen fuel system configurations are explored.

The second report analyses hydrogen’s main characteristics to frame which safety hazards, system threats and risks to be considered and mitigated when using hydrogen as ship fuel. Natural gas – for which the IGF Code has put internationally recognised safety barriers in place to ensure its safe use – is used as a benchmark. Established principles for mitigation and control, and lessons learned from hydrogen accidents are briefly reviewed. Hydrogen modelling techniques and tools are validated. Statutory regulations and classification rules, standards, and best practices relevant to hydrogen-fuelled ships are reviewed to identify hazards and risks considered and mitigated in existing rules and regulations.

The fault trees on safety-critical systems are vital in providing the success and failure probabilities in the event tree for the risk calculation model. Thirdly, the safety analysis is used to develop a framework for a generic risk model for hydrogen-fuelled ships.

By systematically analysing these three areas, this report aims to provide valuable insights and recommendations for improving the reliability and safety of hydrogen technologies. The findings will contribute to the broader goal of delivering a guidance document addressing ships using hydrogen as fuel.

Explore more on the subject via the two reports, available below:

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Source: EMSA

 

For more information and resources on Hydrogen Fuel in shipping, click HERE

 

 

 

 

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