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Regional Basic Professional Training Course in Korea

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❙ 471 ❙<br />

8-A. Determ<strong>in</strong>istic Accident Analysis (Non‐LOCA)<br />

8-A. Determ<strong>in</strong>istic Accident Analysis<br />

(Non‐LOCA)<br />

8.1. INTRODUCTION<br />

A major part of the process of design and licens<strong>in</strong>g of a nuclear power plant is the safety<br />

analysis. The basic IAEA requirement for safety analysis is stated <strong>in</strong> IAEA Requirements<br />

NS‐R‐1.<br />

“A safety analysis of the plant design, apply<strong>in</strong>g methods of determ<strong>in</strong>istic and probabilistic<br />

analysis, shall be provided which establishes and confirms the design basis for the items<br />

important to safety and demonstrates that the overall plant design is capable of meet<strong>in</strong>g<br />

the prescribed and acceptable limits for radiation doses and releases for each plant<br />

condition category, and that defense <strong>in</strong> depth has been achieved.”<br />

The aim of the determ<strong>in</strong>istic approach is to address plant behavior under specific pre‐<br />

determ<strong>in</strong>ed operational states and accident conditions, and apply a specific set of rules to<br />

judg<strong>in</strong>g design adequacy, which have been found appropriate to prevent accidents and to<br />

mitigate their consequences aga<strong>in</strong>st the potential risk.

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