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The Study on Permissible Value of Hydrogen Gas Concentration in Purge Gas of Fuel Cell Vehicles

Abstract

Ignition conditions and risks of ignition on a permissible value of hydrogen concentration in purge gas prescribed by HFCV-GTR were reevaluated. Experiments were conducted to investigate burning behavior and thermal influence of continuous evacuation of hydrogen under continuous purge of air / hydrogen premixed gas, which is close to an actual purge condition of FCV, and thermal evacuation of hydrogen. As a result of the re-evaluation, it was shown from the viewpoint of safety that the permissible value of hydrogen concentration in purge gas prescribed by the current HFCV GTR is appropriate.

Related subjects: Safety
Countries: Japan
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/content/conference994
2019-09-25
2024-10-12
/content/conference994
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The study on permissible value of hydrogen gas concentration in purge gas of Fuel Cell Vehicles

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