(An) experimental study of thermal-hydraulic phenomena in the downcomer with direct vessel injection of APR1400 during LBLOCA reflood phase = 원자로용기 직접주입 계통을 가지는 APR1400에서 대형 냉각재 상실 사고 시 재관수 동안 강수부 내에서의 열수력 현상에 관한 실험적 연구

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An experimental study has been performed to investigate thermal-hydraulic phenomena in the downcomer with Direct Vessel Injection (DVI), which is a new Safety Injection System (SIS) of Korea Advanced Power Reactor 1400 (APR1400). In this study, several separated experiments have been performed based on the thermal-hydraulic phenomena in the downcomer. The performed experiments are divided into two categories: steam/water interaction and boiling in the downcomer. Three experiments have been performed to investigate the steam/water interaction in the downcomer using a plane-channel type test section, which is scaled down as the 1/7 ratio of the prototype reactor (APR1400). First, the water film spreading test is performed and its results are compared with both the experiment with real size of DVI diameter in order to verify the suggested scaling law by KAERI (Korea Atomic Energy Research Institute) and the experiment with a 1/7 scaled cylindrical-type test section in order to see the cu
Advisors
No, Hee-Cheonresearcher노희천researcher
Description
한국과학기술원 : 원자력및양자공학과,
Publisher
한국과학기술원
Issue Date
2004
Identifier
240636/325007  / 000995262
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 원자력및양자공학과, 2004.8, [ xiv. 175 p. ]

Keywords

ECC WATER BYPASS; DOWNCOMER; APR1400; DVI; BOILING; 비등; 안전주입수 우회; 강수부; 신형경수로1400; 원자로직접주입계통

URI
http://hdl.handle.net/10203/48969
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=240636&flag=dissertation
Appears in Collection
NE-Theses_Ph.D.(박사논문)
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