
#1
Jul1910, 11:25 AM

P: 3

Background:
For a BWRtransient calculation I'm trying to convert crosssections I got from PSG2/Serpent simulations in Parcs [CrossSection] Input files. My Question: Parcs makes use of SNF Nufission cross section SKF Kappafission cross sectionI assume this means Nu (as in neutrons/fissionevent times fission cross section) but I'm not familiar with kappa in this context. Anyone have an idea what it denotes? P.S. Any and all documentation or insights about parcs crosssection input files would be more than welcome. 



#2
Jul2010, 08:55 AM

Admin
P: 21,628

There is a definition of kappafission in this thesis.
http://www.lib.ncsu.edu/theses/avail...ricted/etd.pdf Just search on kappa (see page 27/127 of the pdf, or page 17, eq. 4.2d), where kappa is related to the local power density. 


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