Individual:
http://rdf.iit.demokritos.gr/2014/iaeaSafetyGlossary/id586
Annotations (2)
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nreo:canonicalLabel "reactivity, <i>ρ</i>" (en)
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skos:definition "For a nuclear chain reacting medium:<br/>
'r '=<br/>
1<br/>
1 - 'K'eff<br/>
where 'K ' is the ratio between the number of fissions in two succeeding <br/>
eff<br/>
generations (later to earlier) of the chain reaction.<br/>
A measure of the 'deviation' from 'criticality' of a nuclear chain reacting <br/>medium, such that positive values correspond to a supercritical state and <br/>negative values correspond to a subcritical state.<br/>
<i><b>shutdown reactivity.</b></i> The 'reactivity' when all 'control' devices are <br/>introducing their maximum negative 'reactivity'.<br/>
A reactor is shut down quickly by moving 'control' devices rapidly into position <br/>to introduce their negative 'reactivity' into the core.<br/>" (en)
Types (1)
Usage (5)