After climbing into a ballast tank, the passengers need to fill the tank in order to open the pressure relief valve that will spill them into the next tank. Aside from the fact that the tank would be impossible to fill (the pump suction is in the air and the tank vent is underwater), and the fact that the pressure relief valve would not open (there will not be enough pressure at the top of the tank), this valve should not exist. A pressure relief valve in a ballast tank allowing water to flow into the adjacent ballast tank would defeat the purpose of having separate ballast tanks. Tanks are kept separate to trim or heel the vessel as necessary, while preventing water from sloshing and de-stabilizing the ship. Having one tank spill over to the next via a pressure relief eliminates that control, effectively creating a "Titanic" scenario where the tanks keep spilling over, forcing the ship to take on an extreme trim and potentially "nose dive" or roll. In the event that a ballast tank is over-filled, the water would simply spill out the tank vent.
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05/03/2025 alle ore 09:07
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