REACTIVITY


Meaning of REACTIVITY in English

A term expressing the departure of a reactor system from criticality. A positive reactivity addition indicates a move toward supercriticality (power increase). A negative reactivity addition indicates a move toward subcriticality (power decrease).

NRC Nuclear Energy English Glossary.      Английский глоссарий ядерной энергии NRC (Национальный научно исследовательский совет).