Effects of gas velocity and break size on steam penetration depth using gas jet into water similarity experiments

被引：11
作者：
Zhang, Chaodong [1 ,2 ]
Sa, Rongyuan [1 ]
Zhou, Danna [1 ]
Jiang, Hualei [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Neutron & Radiat Safety, Inst Nucl Energy Safety Technol, Hefei 230031, Anhui, Peoples R China
[2] Univ Sci & Technol China, Hefei 230027, Anhui, Peoples R China
来源：
PROGRESS IN NUCLEAR ENERGY | 2017年 / 98卷
基金：
中国国家自然科学基金;
关键词：
Lead-based reactor; SGTR; Penetration depth; Visualization; Dimensional analysis; ACTIVATION MARTENSITIC STEEL; TEST BLANKET MODULE; CONCEPTUAL DESIGN; DEVELOPMENT STRATEGY; RUPTURE ACCIDENT; REACTOR; SYSTEM; GENERATION; PROGRESS; ITER;
D O I：
10.1016/j.pnucene.2017.02.006
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A method is given to predict the steam penetration depth under an incidental Steam Generator Tube Rupture (SGTR) accident. Several similar experiments were performed by injecting gas into water to simulate the steam jetting into liquid Lead Bismuth Eutectic (LBE). The steam penetration behaviors including flow regimes and cavity phenomena were captured by visualization method and a semi empirical correlation was modified for the penetration depth based on dimensional analysis and experimental data. The results showed that the penetration depth was proportional to the density ratio of gas jet to liquid coolant, gas velocity, and break size of tube. Further predictions with similarity theory have been conducted. The penetration depth was about 0.7 m during a large break (a double-ended break) of one SG cooling tubes under a postulated SGTR accident of lead-based reactor. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：38 / 44
页数：7
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