1. 2nd International Conference on Hydrogen Safety
San Sebastian, September 11-13, 2007
CFD Modeling of Hydrogen Dispersion Experiments for SAEJ2578 Test Methods Development
Andrei V. Tchouvelev, Jake DeVaal et al

2. Acknowledgement Financial Support
Presented research was supported in part by Natural Resources Canada through the activities of the Codes and Standards Working Group of the Canadian Transportation Fuel Cell Alliance, by the research performers, A.V.Tchouvelev & Associates Inc. and Ballard Power Systems

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7. Ballard Experiments for FC Vehicles Safety
Experiments Set-up / Modeling Domain

8. Ballard Experiments for FC Vehicles Safety
Dispersion Experiments Results

9. CFD Modeling of Ballard Experiments
Dispersion Experiments Calculations – Key Challenges
Representation of moving plastic sheet
Fan’s unknown swirl coefficient

10. CFD Modeling of Ballard Experiments
Dispersion Experiments Calculations – Selected Sensors
Sensor 1
Sensor 2

11. CFD Modeling of Ballard Experiments
Dispersion Experiments Calculations – Selected Sensors
Sensor 7
Sensor 8

12. CFD Modeling of Ballard Experiments
Next Step – Ignition Experiments