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An Assessment of the VHTR Safety Distance Using the Reliability Physics Model

Title
An Assessment of the VHTR Safety Distance Using the Reliability Physics Model
Author
제무성
Keywords
DESIGN; HYDROGEN; PHYSICS; PLANNING; POLLUTION; PRODUCTION; RELIABILITY; SAFETY; STANDARDS; VHTR REACTOR
Issue Date
2015-10
Publisher
한국원자력학회
Citation
Transactions of the Korean Nuclear Society Autumn Meeting Gyeongju, Korea, October 29-30, 2015, Page. 1-3
Abstract
In Korea planning the production of hydrogen using high temperature from nuclear power is in progress. To produce hydrogen from nuclear plants, supplying temperature above 800 .deg. C is required. Therefore, Very High Temperature Reactor (VHTR) which is able to provide about 950 .deg. C is suitable. In situation of high temperature and corrosion where hydrogen might be released easily, hydrogen production facility using VHTR has a danger of explosion. Moreover explosion not only has a bad influence upon facility itself but also on VHTR. Those explosions result in unsafe situation that cause serious damage. However, In terms of thermal-hydraulics view, long distance makes low efficiency Thus, in this study, a methodology for the safety assessment of safety distance between the hydrogen production facilities and the VHTR is developed with reliability physics model. Based on the standard safety criteria which is a value of 1 x 10-6, the safety distance between the hydrogen production facilities and the VHTR using reliability physics model are calculated to be a value of 60m - 100m. In the future, assessment for characteristic of VHTR, the capacity to resist pressure from outside hydrogen explosion and the overpressure for the large amount of detonation volume in detail is expected to identify more precise safety distance using this reliability physics model
URI
http://www.kns.org:8115/kns_files/34/15A-415%EC%9D%B4%EC%A1%B0%EC%9D%80.pdfhttp://hdl.handle.net/20.500.11754/27986
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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