What is the consequence of exceeding the design pressure of a hydrogen storage tank, and what safeguards prevent this?

Exceeding the design pressure of a hydrogen storage tank can lead to catastrophic failure of the tank, resulting in a sudden release of hydrogen, which can cause a fire or explosion. The design pressure is the maximum pressure that the tank is designed to withstand safely. Exceeding this pressure can cause the tank to rupture or burst, releasing a large volume of hydrogen into the atmosphere. Safeguards to prevent overpressure include pressure relief valves (PRVs), high-pressure alarms, and automatic shutdown systems. PRVs are designed to automatically open and vent hydrogen if the pressure exceeds a predetermined setpoint, preventing the pressure from rising further. High-pressure alarms alert operators to take corrective action to reduce the pressure. Automatic shutdown systems automatically shut down the hydrogen supply to the tank if the pressure reaches a critical level. These safeguards work together to ensure that the pressure in the hydrogen storage tank remains within safe limits and to prevent catastrophic failure. Redundant and diverse protection layers are crucial to reliable safety.