Reserve Buoyancy


Reserve buoyancy is the volume of water displaced by a ship's hull that is still above the waterline. It is the difference between the total volume of the ship and the volume of water that would completely submerge the ship. Reserve buoyancy is important for a ship's stability and safety, as it provides a margin of safety against capsizing or sinking in the event of damage or flooding. A ship with insufficient reserve buoyancy may become unstable and capsize, even in calm seas. Therefore, it is important for ship designers and operators to ensure that a ship has adequate reserve buoyancy for its intended use and operating conditions.


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