Monday, April 30, 2012

How does a submarine works


In this post we are going to tell you that how a submarine actually works. The basic working principle of a submarine was given by Jules Verne in his science fiction, "20,000 Leagues under the sea".Even before submarines were thought about verne had created a blue print of this technological marvel. He briefly explained the machine and its working.

The basic principle according to which a submarine goes up and down inside the seawater is the fact that air is lighter than water.

A submarine has huge tanks called the ballast tanks. These ballast tanks play a key role in diving and resurfacing of the submarine.When the submarine has to dive the ballast tanks are filled with seawater. This makes the submarine heavier and helps in sinking.

And when the submarine has to resurface the water is pumped out of the ballast tanks and compressed air is forced in. Once the tanks are filled with compressed air the submarine becomes light again and begins to float.


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