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PIUS scram reactivity analysis
A detailed evaluation of the scram reactivity for the PIUS reactor design has been carried out. The scram reactivity resulting from the injection of highly borated pool water was calculated for a series of time-dependent linear ramp and square-wave pool flows. The three-dimensional core distribution of the pool water was modeled and the spatial reactivity effects of the distributed boron were determined. For pool flows that increase as a linear ramp, the spatial reactivity effects of the distributed boron were very small. In this case, a constant core-average boron reactivity coefficient can be used to model the PIUS scram reactivity.
PIUS scram reactivity analysis
A detailed evaluation of the scram reactivity for the PIUS reactor design has been carried out. The scram reactivity resulting from the injection of highly borated pool water was calculated for a series of time-dependent linear ramp and square-wave pool flows. The three-dimensional core distribution of the pool water was modeled and the spatial reactivity effects of the distributed boron were determined. For pool flows that increase as a linear ramp, the spatial reactivity effects of the distributed boron were very small. In this case, a constant core-average boron reactivity coefficient can be used to model the PIUS scram reactivity.
PIUS scram reactivity analysis
J. F. Carew (author) / E. C. Selcow (author) / A. Aronson (author)
1994
14 pages
Report
No indication
English
Reactor Engineering & Nuclear Power Plants , PWR Type Reactors , Reactor Cores , Soluble Poisons , Computerized Simulation , Experimental Data , N Codes , Parametric Analysis , Reactivity Coefficients , Reactor Safety , Safety Injection , Scram , Three-Dimensional Calculations , Tables(data) , EDB/220900 , EDB/210200
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