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Activities Task 37

Hydrogen Safety Task

Operating Agent: Dr. John Khalil
Term: 2015-2021
The work plan and objectives of this task are designed to support the acceleration of safe implementation of hydrogen infrastructure through coordinated international collaborations and hydrogen safety knowledge dissemination.  
Purpose and Objectives: 
  • Development of a hydrogen safety integration model (or tool). 
  • Development of risk management strategies to ensure safety implementation of hydrogen infrastructure.
  • Collection of systems, subsystems, and components reliability (i.e., field failure) data and human error (HE) probabilities (i.e., human factors) to support quantitative risk analysis (QRA).
  • Performance of consequence analysis to facilitate the accelerated adoption of hydrogen technologies.
Detailed Objectives:
  • to develop a user-friendly integrated hydrogen safety model (tool) that facilitates system analysis and determines appropriate risk metrics.
  • to provide a systematic approach to determine gaps in current basic and applied research.
  • to provide focused activities for all subtasks.
  • to provide a framework around which collaborative research programs can be conducted. 
  • to collect information on effects of components failures on hydrogen systems and infrastructure
  • The above-mentioned objectives are intended to support the overarching goal of enhancing safe implementation of hydrogen-based technologie
This proposed Hydrogen Safety Task is a follow up to its predecessor Task 31. 
Task 37, the new Hydrogen Safety Task, is structured in five Subtasks as described below and also shown in Fig. 1. 
Subtask A: Integrated Hazards and Risk Assessment tool kit  
  • Result/Output/Work Product: An alpha-tested integrated hazards and risk assessment tool kit.
Subtask B: Accident Scenario Development (from initiating events to end states)
  • Result/Output/WorkProduct: Generic baseline system(s) design and configuration to be used for alpha testing and validation of the integrated tool kit (output of Subtask A). Examples include systems, accident scenarios, mitigations and prevention strategies, etc.
Subtask C: Physical Effects (Pressure, Temperature, Heat Loads, etc.)
  • Result/Output/WorkProduct: Validated engineering predictive models, test data (sub-scale or full-scale tests).
Subtask D: Human Reliability Analysis (HRA) / Human Factors
  • Result/Output/WorkProduct: Identify and quantify human influence on operational safety (out-of-the-box thinking) of hydrogen infrastructure.
Subtask E: Materials Compatibility
  • Result/Output/Work_Product: Enhance understanding of hydrogen effects on material properties and mechanical strength by developing physics of failure (PoF) models (e.g., embrittlement modeling, tank liner integrity), testing (e.g., hydrogen permeation tests), and material surface characterization (e.g., XRD analysis …)

Fig. 1. Organizational structure of the Hydrogen Safety Task.
In Fig. 1, the solid lines show the Task organizational structure and the dashed lines signify the information exchange among the five Subtasks.
Organization Country
United Technologies Research Center (UTRC) USA
National Renewable Energy Laboratory (NREL) USA
Department of Energy (DOE) USA
Sandia National Laboratories (SNL) USA
HySafe Belgium
Karlsruhe Institute of Technology (KIT) Germany
Federal Institute or Materials Research and Testing, BAM Germany
University of Ulster UK
Health & Safety Laboratory (HSL) UK
University of Warwick UK
To be determined Japan
Air Liquide France
Technical University of Denmark (DTU) Denmark
University of Pisa (UniPi) Italy
Tecnalia Spain
EC Joint Research Center European Commission (EC)
GexCon Norway
University College of South East Norway Norway

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