SOURCE: IDRW NEWS NETWORK
Indian Navy is on verge of been getting official approvals for the construction of the six next-generation nuclear attack submarines from the Prime Minister Office (PMO) that the Navy Design Bureau, the lead design agency for the naval warships in the country plans to take up, so that first of the next-generation attack submarines can be fielded and commissioned into service by end of this decade.
The Navy has been devising ways to make nuclear subs, even more, quieter and more stealthy and to reduce the acoustic levels have decided to get rid of the traditional propeller and instead decided to go with Pump-Jet propulsion system for nuclear attack submarine. A pump-Jet propulsion system creates a jet of water to power a boat forward and also produces less cavitation, which is the stream of bubbles or voids created by traditional propellers. Less cavitation means an even lower acoustic signature for the sub.
French Naval Group has offered its non-nuclear technology for the development of India’s next-generation nuclear attack submarines and one of the technologies that the Indian Navy is very keen on is the pumpjet propulsion system that was developed for the French Navy’s Barracuda class Nuclear attack submarines. idrw.org has been told that while the technology will be a derivate of the pumpjet propulsion system as seen in the Barracuda class of Nuclear attack submarines and not the same as the hull needs to be tuned to the pumpjet system. pumpjet are more efficient at higher speeds that are very crucial for nuclear attack submarines that often have to operate behind the enemy lines for their offensive operations.
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