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EFFECT OF STAINLESS STEEL PLATE POSITION ON NEUTRON MULTIPLICATION FACTOR IN SPENT FUEL STORAGE RACKS

Title
EFFECT OF STAINLESS STEEL PLATE POSITION ON NEUTRON MULTIPLICATION FACTOR IN SPENT FUEL STORAGE RACKS
Author
김종경
Keywords
Spent Fuel Storage Rack; Multiplication Factor; Stainless Steel Plate
Issue Date
2011-02
Publisher
KOREAN NUCLEAR SOC, NUTOPIA BLDG, 342-1 JANGDAE-DONG, DAEJEON, 305-308, SOUTH KOREA
Citation
NUCLEAR ENGINEERING AND TECHNOLOGY,권: 43 호: 1 페이지: 75-82
Abstract
The neutron multiplication factor in spent fuel storage racks, in which a stainless steel plate encloses a fuel assembly, was evaluated according to the variation of distance between the fuel assembly and stainless steel plate, as well as the pitch. The stainless steel plate position with the lowest multiplication factor on each pitch consistently appeared as 6mm or 9mm away from the outmost surface of the fuel assembly. Because the stainless steel plate has a thermal neutron absorption cross section, its ability to absorb neutrons can work best only if it is installed at the position where thermal neutrons can be gathered most easily. Therefore, the stainless steel plate position should not be too close or too far away from the fuel assembly, but it should be kept a pertinent distance from the fuel assembly.
URI
http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OJRHBJ_2011_v43n1_75
ISSN
1738-5733
DOI
10.5516/NET.2011.43.1.075
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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