Numerical simulation of FLiBe and FLiNaK’s flow characteristics in vortex diode

DAI Yuelai; DAI Zhimin; WU Yanhua

doi:10.11889/j.0253-3219.2014.hjs.37.050603

您当前的位置：

首页 >

文章列表页 >

Numerical simulation of FLiBe and FLiNaK’s flow characteristics in vortex diode

更新时间：2021-03-03

- Numerical simulation of FLiBe and FLiNaK’s flow characteristics in vortex diode
- NUCLEAR TECHNIQUES Vol. 37, Issue 5, Article number: 050603(2014)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所嘉定园区,上海,201800
  2. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.050603
  CLC：
- Published：08 May 2014
- 稿件说明：
移动端阅览
DAI Yuelai, DAI Zhimin, WU Yanhua. Numerical simulation of FLiBe and FLiNaK’s flow characteristics in vortex diode[J]. Nuclear techniques, 2014, 37(5): 050603
DOI：

DAI Yuelai, DAI Zhimin, WU Yanhua. Numerical simulation of FLiBe and FLiNaK’s flow characteristics in vortex diode[J]. Nuclear techniques, 2014, 37(5): 050603 DOI： 10.11889/j.0253-3219.2014.hjs.37.050603.

摘要

涡流二极管作为一种非能动制止阀的设备，被应用于高温熔盐堆的概念设计中，本文利用FLUENT数值模拟分析了涡流二极管内正反向流动的阻力特性及其内部流场，以水、FLiBe和FLiNaK为模拟工作介质，计算了在不同工况下，涡流二极管的正反向流动压降值、阻力系数及阻抗比，为用于钍基熔盐堆(Thorium Molten Salt Reactor

TMSR)非能动辅助冷却系统的涡流二极管设计提供参考依据。模拟计算结果表明：涡流二极管的正反向流阻随着进口雷诺数不断增大，其性能参数阻抗比?随着雷诺数也相应增大，最后达到临界稳定值；为提高其性能参数阻抗比，对涡流二极管进行结构优化设计，并结合实验进行验证。

Abstract

Background: As a passive check valve

vortex diode is applied to the design of several fluoride salt-cooled high-temperature reactors. It is installed in the emergency heat removal system that is designed to passively remove reactor decay heat under natural circulation. Purpose: By analyzing FLiBe and FLiNaK’s fluidic performance in vortex diode by numerical simulation and comparing with that of water

we could provide a reference for the design of vortex diode applied for the Pool Reactor Auxiliary Cooling System (PRACS) of Thorium Molten Salt Reactor (TMSR). Methods: According to the conceptual design of PRACS

a model of vortex diode was simulated under different working conditions by using Fluent. Taking measures of the best tangential angle and the converging-diverging axial tube is to get better performance. Results: The forward and reverse pressure drops increase with the flow rate

and the diodicity is related to the Reynolds number of working medium

and increases with Re number until a certain value

where the diodicity basically remains unchanged. After structure optimization

the value of diodicity is enhanced to some extent. Conclusion: Based on the results

there is a critical Re number both for FLiBe and FLiNaK in vortex diode. Optimizing the structure design of the vortex diode can improve FLiBe and FLiNaK’s performances in vortex diode.Cited

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Modeling of the vortex diode’s diodicity of FliBe with alternative fluids

Optimal design of passive cooling system for the reactor lower cavity of molten salt reactor

Optimal design of core flow distribution for 10 MW liquid fuel molten salt reactor

Study on the particle size distribution of high temperature FLiBe molten salt

Stress analysis and structural analysis and optimization of high temperature molten salt pump in TMSR-SF0 based on ANSYS

Related Author

CHEN Kun

HE Zhaozhong

QU Shixiang

CAO Yin

WANG Naxiu

ZOU Yang

FU Yao

ZHOU Chong

Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences

Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences

Shanghai University

中国科学院大学

Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Jiading Campus,Shanghai 201800,China) 2

AI问答

Address：2019 Jialuo Road, Jiading, Shanghai, China Postal code：201800
Tel：021-39194977 Email：LHB@sinap.ac.cn
Technical support is provided by Beijing Founder electronics co., LTD 沪ICP备05005479号-1 京公网安备11010802024621
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.
Total Visits：881246 Visits Today：773

⁰