Double-hulled tanker

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Published on December 11, 2021 2:36:47 PM ● Video Link: https://www.youtube.com/watch?v=izZ1LneUIQs

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Double-hulled tanker, by Wikipedia https://en.wikipedia.org/wiki?curid=7983 / CC BY SA 3.0

#Tankers
#Oil_tankers
#Ship_types
#Ship_design
#Shipbuilding
Plan of a double-hulled tanker A double-hulled tanker refers to an oil tanker which has a double hull.
They reduce the likelihood of leaks occurring compared to single-hulled tankers, and their ability to prevent or reduce oil spills led to double hulls being standardized
for oil tankers and other types of ships including by the International Convention for the Prevention of Pollution from Ships or MARPOL Convention.
After the Exxon Valdez oil spill disaster in Alaska in 1989, the US Government required all new oil tankers built for use between US ports to be equipped with a full double hull.
The double-hulled SPT Champion in Curaçao A number of manufacturers have embraced oil tankers with a double hull because it strengthens the hull of ships,
reducing the likelihood of oil disasters in low-impact collisions and groundings over single-hull ships.
They reduce the likelihood of leaks occurring at low speed impacts in port areas when the ship is under pilotage.
Research of impact damage of ships has revealed that double-hulled tankers are unlikely to perforate both hulls in a collision, preventing oil from seeping out.
However, for smaller tankers, U shaped tanks might be susceptible to "free flooding" across the double bottom and up to the outside water level each side of the cargo tank.
Salvors prefer to salvage doubled-hulled tankers because they permit the use of air pressure to vacuum out the flood water.
In the 1960s, collision proof double hulls for nuclear ships were extensively investigated, due to escalating concerns over nuclear accidents.
The ability of double-hulled tankers to prevent or reduce oil spills led to double hulls being standardized for other types of ships including oil tankers by the International Convention for the Prevention of Pollution from Ships or MARPOL Convention.
In 1992, MARPOL was ...