Identification and assessment of containment and release management strategies
| Autor: | P. Neogy, J.R. Lehner, C.C. Lin |
|---|---|
| Rok vydání: | 1993 |
| Předmět: |
Nuclear and High Energy Physics
Engineering Process (engineering) business.industry Mechanical Engineering Blackout Nuclear reactor law.invention Nuclear Energy and Engineering Containment Release management Accident management Risk analysis (engineering) law Safety engineering Forensic engineering medicine General Materials Science medicine.symptom Safety Risk Reliability and Quality business Waste Management and Disposal Reactor pressure vessel |
| Zdroj: | Nuclear Engineering and Design. 142:189-208 |
| ISSN: | 0029-5493 |
| DOI: | 10.1016/0029-5493(93)90202-k |
| Popis: | Brookhaven National Laboratory, under the auspices of the U.S. Nuclear Regulatory Commission, is investigating accident management strategies which could help preserve containment integrity or minimize the release of radioactivity during a severe accident in a nuclear reactor. The objective is to make use of existing plant systems and equipment in innovative ways to reduce the likelihood of containment failure or to mitigate the release of fission products to the environment if failure cannot be prevented. Many of these strategies would be implemented during the later stages of a severe accident, i.e. after the molten core penetrates the reactor vessel. Significant uncertainties exist regarding some of the phenomena involved with this phase of a severe accident. The identification and assessment process for containment and release strategies is described, and some insights derived from its application to a BWR Mark I plant are presented. A station blackout accident for this kind of plant is considered. The challenges encountered are identified and existing emergency guidelines are reviewed, where needed and when possible, new strategies are devised. The feasibility and effectiveness of these new strategies are assessed, making due allowances for the complicated phenomena and associated uncertainties involved. Both beneficial and adverse effects of the suggested strategies are considered. |
| Databáze: | OpenAIRE |
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