The analysis of density wave instability phenomena of supercritical water in two parallel channels

被引：8
作者：
Zang, Jinguang
Yan, Xiao [1 ]
Huang, Yanping
机构：
[1] Nucl Power Inst China, Chengdu, Peoples R China
来源：
ANNALS OF NUCLEAR ENERGY | 2021年 / 152卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Supercritical water; Parallel channel; Density wave instability; System code; FLOW INSTABILITY; DYNAMIC-BEHAVIOR; HEATED CHANNEL; STABILITY; REACTOR;
D O I：
10.1016/j.anucene.2020.108014
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：
The density wave instability is a very important thermal hydraulic phenomenon in water reactors design. The supercritical water is a kind of special fluid state which has both the characteristics of single-phase and two-phase fluids. Due to the sharp fluid properties variation near the pseudocritical point, the density wave instability of supercritical water has its own peculiarities. The stability analysis of supercritical fluid has been performed by some researchers. Some experimental results are available now to verify the numerical tools and promote the knowledge of flow instability phenomena at supercritical pressure. In this paper, the system analysis code Relap5 is used as the tool to help explain the mechanism of the density wave instability. The calculation method was verified with the experiments. Parametric effects on flow instability were discussed and stability boundaries were presented. The dimensionless parameters were analyzed which showed good potential to be used for the instability analysis of supercritical water. (C) 2020 Elsevier Ltd. All rights reserved.
引用
收藏
页数：9
相关论文
共 50 条
  • [21] ANALYTICAL STUDY OF SUPERCRITICAL WATER FLOW IN TWO HEATED PARALLEL CHANNELS WITH WALL HEAT EFFECTS
    Ghadge, Dhanashree S.
    Chatoorgoon, Vijay
    PROCEEDINGS OF THE 26TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2018, VOL 6A, 2018,
  • [22] Experimental study on flow instability and oscillatory heat transfer characteristics of ultra-supercritical water in parallel channels
    Liang, Ziyu
    Xin, Yafei
    Li, Yinlong
    Niu, Tiantian
    Yang, Dong
    INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2021, 166
  • [23] Research of two-phase density wave instability in reactor core channels with rolling motion
    Tian, Wenxi
    Lian, Qiang
    Qiu, Suizheng
    Su, G. H.
    INTERNATIONAL JOURNAL OF ENERGY RESEARCH, 2020, 44 (09) : 7323 - 7341
  • [24] Numerical study on the density wave oscillation of supercritical water in parallel multichannel system
    Liu, Jialun
    Li, Huixiong
    Zhang, Qian
    Kong, Xiangfei
    Lei, Xianliang
    NUCLEAR ENGINEERING AND DESIGN, 2019, 342 : 10 - 19
  • [25] Investigation of flow instability using axially decreased power shape in parallel channels with water at supercritical pressure
    Shitsi, Edward
    Debrah, Seth Kofi
    Agbodemegbe, Vincent Yao
    Ampomah-Amoako, Emmanuel
    ANNALS OF NUCLEAR ENERGY, 2018, 116 : 152 - 162
  • [26] Study of density wave instability in natural circulation with parallel channels under inclined and heaving conditions
    Gong, Hou-jun
    Zhang, Xiaoxi
    Gui, Nan
    Huang, Yanping
    Yang, Xingtuan
    PROGRESS IN NUCLEAR ENERGY, 2023, 155
  • [27] Research on two-phase flow instability in parallel rectangular channels
    Qian, Libo
    Ding, Shuhua
    Qiu, Suizheng
    ANNALS OF NUCLEAR ENERGY, 2014, 65 : 47 - 59
  • [28] Numerical study on the effect of pipe wall heat storage on density wave instability of supercritical water
    Liu, Jialun
    Li, Huixiong
    Lei, Xianliang
    Guo, Kaikai
    Li, Liangxing
    NUCLEAR ENGINEERING AND DESIGN, 2018, 335 : 106 - 115
  • [29] Theoretical analysis of two phase flow instability in parallel channels in ocean motions with drift flux model
    Yan, B. H.
    Li, R.
    Zhang, X. Y.
    NUCLEAR ENGINEERING AND DESIGN, 2018, 326 : 97 - 107
  • [30] Experimental investigations on flow characteristics of two parallel channels in a forced circulation loop with supercritical water
    Zhang, Lei
    Cai, Benan
    Weng, Yu
    Gu, Hongfang
    Wang, Haijun
    Li, Hongzhi
    Chatoorgoon, Vijay
    APPLIED THERMAL ENGINEERING, 2016, 106 : 98 - 108
12345