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International Energy Agency Hydrogen Implementing Agreement |
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Task 19 - Hydrogen Safety |
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Hydrogen Implementing Agreement
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Public Reports Survey of Hydrogen Risk Assessment Methods, 33 pages, January 2008 (PDF) This report, completed by Det Norske Veritas (DNV) of Norway under IEA Task 19, is a survey of risk assessment methodologies for hydrogen production, storage and/or refueling stations (Activity A1 of Subtask A Risk Management). In total 11 example projects are reviewed. The methods applied in the 11 case studies represent standard approaches to risk assessment, following representative set of standards and guidelines. The survey discusses how the approaches differ how detailed differences determine their adaptability to the specifics of hydrogen risk. The issue of “knowledge gaps” within Task 19 Hydrogen Safety was first raised during the expert meeting in Pisa in September 2005. At that time it was not really called “knowledge gaps” but rather “what do we need to do to validate our models”. Dr. Andrei V. Tchouvelev from A.V.Tchouvelev & Associates and CTFCA ( Canada ), the Leader of Subtask A Risk Management, accepted the task to identify gaps in hydrogen safety knowledge and make recommendations for future testing and modeling programs. The objective of the report exchange opinions and reach a consensus on existing knowledge gaps to be addressed by future research, testing and modeling activities. This report is based on the first three years of the Task 19 collaboration during which participating experts presented a number of risk assessment studies of refueling facilities. The report had three objectives. • To describe the available studies in a single document, thus, identifying their key elements – approaches, methodologies, methods of analysis, key results and recommendations, and post-study developments (where available). • To indentify significant findings arising from review and comparison of results to provide material for learning and knowledge gaps identification. • To keep the document “alive” by expanding it as more studies become available during the remainder of Task 19.
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