Stochastic arranging of CFPs in HTTR and criticality benchmark considering different modeling of CFPs
AT Ardakani, MB Ghofrani, AO Ezzati - Nuclear Engineering and Design, 2014 - Elsevier
In this paper besides proposing a new method for stochastic arranging of coated fuel
particles (CFPs) in graphite matrix of HTTR, the effect of homogeneous and heterogeneous
(including stochastic and regular arrangement) modeling of CFPs in criticality calculations of
this reactor is investigated using MCNPX. In regular arrangement, each CFP was modeled
as a fixed sphere in the center of a cubic lattice; subsequently, depending on fuel compact's
packing factor, each fuel compact was filled with around 13,000 (approximate number of …
particles (CFPs) in graphite matrix of HTTR, the effect of homogeneous and heterogeneous
(including stochastic and regular arrangement) modeling of CFPs in criticality calculations of
this reactor is investigated using MCNPX. In regular arrangement, each CFP was modeled
as a fixed sphere in the center of a cubic lattice; subsequently, depending on fuel compact's
packing factor, each fuel compact was filled with around 13,000 (approximate number of …
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