A study on low-pressure subcooled flow boiling using RELAP5/MOD3.4

被引：2
|
作者：
Xu, Caihong [1 ]
机构：
[1] Shanghai Nucl Engn Res & Design Inst, 29 Hongcao Rd, Shanghai 200233, Peoples R China
来源：
INTERNATIONAL YOUTH NUCLEAR CONGRESS 2016, IYNC2016 | 2017年 / 127卷
关键词：
subcooled boiling; low-pressure; RELAP5/MOD3.4;
D O I：
10.1016/j.egypro.2017.08.101
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Subcooled flow boiling is an important thermal hydraulic phenomenon in PWR core analysis, especially for accident analysis. Generally, RELAP5/MOD3.4 is adequate for modeling high-pressure subcooled boiling. However, there is a lack of assessing the code's capability of modeling low-pressure sub-cooled boiling. In this paper, the capability of RELAP5/MOD3.4 of modeling low-pressure subcooled boiling is analyzed and assessed, and the results show that it is not applicable. In order to improve the performance, code modifications are made and evaluated. The assessment results show that the performance of modified code of modeling subcooled boiling is improved obviously. (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：387 / 397
页数：11
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