One of the most striking features of the submarine is its ability to remain submerged for long periods of time. In addition, it is perfectly hidden from the enemy and can be used in military operations or to underwater research They make a tremendous contribution.

Especially if they are used for military purposes, when they emerge from underwater they can become defenseless and come under enemy fire. Agree without ever coming to the surface of the water, How long can they stay safe?

There are two types: diesel-electric submarines and nuclear submarines.

The nuclear submarine produces energy using a nuclear reactor. These reactors allow the submarine to remain submerged for a long time due to nuclear fuel long lasting and a concentrated energy source. This allows you to stay underwater for months.

Diesel-electric submarines, as the name suggests, operate using diesel engines and electric motors and are more powerful than nuclear submarines. It needs to come to the surface more.

So why does a diesel-electric submarine need to surface and how often does this happen?

A diesel-electric submarine; It happens every few days, sometimes even more often. It does this not only to extract oxygen from the air above the water surface, but also to waste gases produced on the ship He does it to throw it away.

The device known as a ‘snorkel’ allows the submarine to draw air from the water’s surface. When the submarine surfaces, the diesel engines start and produce power. That power, to charge the batteries that power the submarine. is used.

In the nuclear submarine, the situation is much more advanced.

The reactor on the nuclear submarine produces enough power to run all electronic and electrical systems. So without ever coming to the surface days, weeks, months or even years can move. Although no example has been seen, submarine reactors theoretically produce enough power to last for decades.

In a nuclear submarine enough to keep the crew alive for a long time As long as there is a supply of materials, it can continue to function underwater for decades without surfacing. Since such a situation is unlikely for the crew, we obviously haven’t seen any examples of it yet.

Furthermore, even if this problem does not exist, because the submarine is a machine, its electrical, mechanical and hydraulic systems can cause problems over time. needs maintenance. Therefore, we can say that even though they have the ability to stay underwater for years, other factors will prevent this.

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