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<p>The United States Navy has recognized the rising age of its nuclear reactors. With this increasing age comes increasing importance of backup generators. In addition to the need for decay heat removal common to all (naval and commercial) nuclear reactors, naval vessels with nuclear reactors also require a backup means of propulsion. All underway Navy nuclear reactors are operated with diesel generators as a backup power system, able to provide emergency electric power for reactor decay heat removal as well as enough electric power to supply an emergency propulsion mechanism. While all commercial nuclear reactors are required to incorporate muhiple backup generators, naval submarine nuclear plants feature a single backup generator. The increasing age of naval nuclear reactors, coupled with the dual reqmrements of a submarine's solitary backup generator, makes the study of submarine backup generators vital.
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<br>Subjects: Maintenance; Nuclear submarines; Nuclear reactors; Commerce; Emergencies; Propulsion systems; Electric power</div>
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Hawks, Matthew Arthur</div>
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