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- L'hydrogène est-il plus sûr que les carburants traditionnels ?
L'hydrogène est-il plus sûr que les carburants traditionnels ?
Hydrogen is 14 times lighter than air. When it is released, it spreads quickly and rises into the atmosphere at a speed of 20 metres per second. Hydrogen is not toxic if released or spilled. Petrol in the air is flammable at a lower concentration limit of 1.4%, compared to 4% of hydrogen. The flames give off little radiant energy, much less than comparable with other fuels.
In addition, modern hydrogen systems are designed to be fail-safe. This is achieved by multiple safety systems such as;
- Leak detection.
- Ventilation systems to prevent leaks from reaching flammable levels.
- Fire detection via infrared detectors.
- Pressure relief systems that vent the hydrogen when surpassing a safety threshold.
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