{"id":31601,"date":"2026-06-23T10:06:38","date_gmt":"2026-06-23T08:06:38","guid":{"rendered":"https:\/\/www.revistanuclear.es\/?p=31601"},"modified":"2026-06-23T10:06:41","modified_gmt":"2026-06-23T08:06:41","slug":"deterministic-nuclear-safety-analyses","status":"publish","type":"post","link":"https:\/\/www.revistanuclear.es\/en\/safety\/deterministic-nuclear-safety-analyses\/","title":{"rendered":"Guarantee of defence in depth through deterministic analysis"},"content":{"rendered":"
\"\"<\/span>SEE FULL VERSION<\/span><\/a>
<\/div>T<\/span>he generation of nuclear power is based on an unwavering commitment: the protection of the public and the environment against the risks of ionizing radiation. To comply with this regulatory mandate, a robust strategy based on defence in depth<\/strong> is applied. This structured approach consists of deploying multiple consecutive and mutually independent physical and operational layers and barriers of protection. In this way, if one of the lines of defence experiences degradation or failure, the immediately following layer remains available as a redundant layer to contain the transient, prevent damage to the reactor core, and mitigate any type of radiological release to the outside.<\/span><\/p>\n
Defense-in-Depth as a Cornerstone of Nuclear Safety<\/h5>\n

Within this comprehensive protection scheme, the so-called deterministic safety analyses (DSA)<\/strong> serve as the fundamental analytical validation tool for that defence in depth. Its methodology is based on the postulation of accidental events, technically known as design basis accidents (DBA)<\/strong>. These scenarios are evaluated under strictly conservative assumptions and maximum limit safety criteria. By successfully passing these analytical simulations, the robustness of the plant’s three fundamental physical barriers is validated: the fuel cladding, the primary pressure circuit, and the reinforced concrete containment building.<\/span><\/p>\n

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