By Leo G. Lesage (auth.), Ashot A. Sarkisov, Alain Tournyol du Clos (eds.)
A nice variety of nuclear submarines are as a result of be decommissioned ahead of 2000. The political judgements surrounding the disposal of nuclear cubicles, radioactive wastes and spent gas fluctuate extensively among the nations that personal the boats. the choice makers concerned hence need assistance in evaluating and assessing substitute concepts for the decommissioning in their nuclear submarine fleets. the current quantity bargains such information, with its discussions of the dangers linked to long term water garage of the boats, radioactive and chemical infection, spent gasoline and waste administration, and dealing with and recycling reactor compartments.
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Additional resources for Analysis of Risks Associated with Nuclear Submarine Decommissioning, Dismantling and Disposal
A typical temperature profile across the core ring elements, shield elements, pressure vessel and shield tank is shown in Figure 4. As noted above, the temperature shown in this figure is the average fuel channel temperature - some fuel elements would experience a higher temperature than this average temperature. As shown in Figure 4, the temperature drops-off rapidly from the centre of the core and only the inner core channels would be subject to excessive temperatures. Therefore, any fuel overheating and damage that might occur at higher decay powers would be limited to about one third of the core rings, or less than 10% of the core.
The only mitigative action possible is to restore shore power with emergency diesel generators. The demand unavailability for such equipment is assumed to be 10-2, hence, the core melt frequency becomes 5x10-4 per year per reactor. Assuming the lay-up rate of second generation submarines per site is one per year, then the number of susceptible submarines per site, during any year, is two. Further assuming that there are two reactors per submarine, the core melt frequency, for any site, during any year, becomes 2x10-3 per year.
3. E. TESTOV State Supervision Inspection on Nuclear and Radiation Safety, Ministry ofDefense ofthe Russian Federation A process of decommissioning, storage and complex utilization of nuclear submarines has to be accomplished by the required measures on the environmental protection and the nuclear, radiation and ecological safety provision. The basic purpose of these measures is to protect a population and an environment against the harmful effect of an ionizing radiation on people's health, lives and growing.
Analysis of Risks Associated with Nuclear Submarine Decommissioning, Dismantling and Disposal by Leo G. Lesage (auth.), Ashot A. Sarkisov, Alain Tournyol du Clos (eds.)