Application of RELAP5/MOD3.1 to the evaluation of performance of secondary condensers = RELAP5/MOD3.1 코드를 이용한 이차응축계통 성능 해석

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The RELAP5/MOD3.1 computer code is applied to the evaluation of performance of Secondary Condensers. The calculation of condensation heat transfer coefficients in RELAP5/MOD3.1 depends on the node size of the condenser pipe. Therefore, condensation heat transfer coefficients for the laminar and turbulent regions are implemented to modify the condensation subroutine in RELAP5/MOD3.1. And the film Reynolds number, $Re_\Gamma$ is calculated recursively and used to calculate the local averaged condensation heat transfer coefficients at each node. The simulation results of the modified code are independent on the node size. It is found that the performance of SC is very sensitive to the nodal scheme of the SC pool. One pipe model can``t represent the vertical thermal stratification and the natural convection in the pool. The nodal scheme with pipes connected with cross junctions at adjacent axial levels is suitable for the pool modeling.
Advisors
No, Hee-Cheonresearcher노희천researcher
Description
한국과학기술원 : 원자력공학과,
Publisher
한국과학기술원
Issue Date
1996
Identifier
105545/325007 / 000943155
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 원자력공학과, 1996.2, [ ix, 73 p. ]

Keywords

PRHR; Condenser; RELAP5; Advanced Reactor; 신형원자로; 피동잔열제거; 응축기; 코드

URI
http://hdl.handle.net/10203/49347
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=105545&flag=dissertation
Appears in Collection
NE-Theses_Master(석사논문)
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