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以核反应堆作动力源的潜艇,称为核动力潜艇,简称核潜艇。核动力装置的核心是反应堆,堆芯核燃料铀235的裂变反应产生高热,加热第一回路的高压水,经过蒸汽发生器,把第二回路的水加热成蒸汽,推动蒸汽轮机运转,通过传动装置带动螺旋桨推动潜艇前进。这样的反应堆称为压水堆,是目前核潜艇使用的主要堆型。正在研究的堆型还有气冷堆、氦冷快中子堆、熔盐堆。除了核反应堆以外,核潜艇上还备有蓄电池、柴油发电机、主变流机等作为急动力装置。与常规动力潜艇相比,核潜艇有两个突出的优点:一是功
Nuclear power reactors as a source of submarines, known as nuclear-powered submarines, referred to as nuclear submarines. The core of the nuclear power plant is the reactor. The fission reaction of the core nuclear fuel uranium 235 generates high heat and heats the high-pressure water in the first circuit. After passing through the steam generator, the water in the second circuit is heated to steam to drive the steam turbine to run through the transmission Drive the propeller to propel the submarine forward. Such a reactor is called a pressurized water reactor and is the main type of reactor currently used by nuclear submarines. The types of heaps under study are air-cooled reactors, helium-cooled neutron reactors and molten salt reactors. In addition to nuclear reactors, nuclear submarines are also equipped with batteries, diesel generators, main converter, etc. as an impulse device. Compared with conventional powered submarines, nuclear submarines have two outstanding advantages: First, work