What is one of the primary aims of a nuclear power design related to local power peaking?

One of the primary aims of a nuclear power design related to local power peaking is to limit the magnitude of any local power peaking. In a nuclear reactor, power peaking refers to situations where the heat generation in certain areas of the reactor core becomes significantly higher than in other parts. This can lead to local overheating, which may result in fuel damage or decreased efficiency of the reactor.

To ensure the safety and stability of the reactor operation, engineers design the reactor core and its fuel arrangement to distribute the power generation evenly. By limiting local power peaking, the reactor can maintain a uniform temperature profile, which is crucial for both safety and overall reactor performance. This design consideration helps in avoiding hot spots that can lead to excessive thermal stresses and potential failure of fuel elements, thereby enhancing the reliability and longevity of the reactor system.