These articles give an extremely clear view of the differences between the two submarines.


1. Nuclear subs are powered by a nuclear reactor which is modified for use in a confined , underwater environment. These nuclear reactors produce heat , which in turn produces steam , which works on the steam turbines and turns a shaft. This shaft is connected to the propeller as well as a generator which recharges the battery for on board use. This nuclear reactor gives them an unlimited range, and the ability to stay under water for months without surfacing. On-board oxygen generating systems and a large supply of food and water gives them a realistic 90 days of continuous underwater time before they need to be re-supplied. Read more http://defencyclopedia.com/2014/05/04/anti-submarine-warfare-part-3-nuclear-submarines/

2. Diesel submarines run on diesel and electricity. They have a huge network of batteries which depend on the diesel generator for charging. These subs have to surface to charge their batteries . They can also snorkel , which means to travel just below the surface of the water with the periscope and the exhaust pipe above the water surface. Since they become vulnerable when they surface , these subs usually snorkel while charging their batteries . Once they charge the batteries , they dive into the ocean and run silently on battery power with the diesel generators shut down. Read more http://defencyclopedia.com/2014/04/27/anti-submarine-warfare-part-2-diesel-electric-submarines/

Nuclear !

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Nuclear !

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