基于双向流固耦合的换热管流致振动分析

缪洪康; 陈玉爽; 吕刘帅; 王晓; 许光第; 王纳秀

doi:10.11889/j.0253-3219.2018.hjs.41.050602

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基于双向流固耦合的换热管流致振动分析

核能科学与工程 | 更新时间：2021-05-19

- 基于双向流固耦合的换热管流致振动分析
- Flow-induced vibration analysis of heat transfer tube based on two-way fluid-structure interaction
- 核技术 2018年41卷第5期文章编号：050602
- 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
  3.中国科学院上海高等研究院上海 201210
- 作者简介：
  
  [ "缪洪康, 男, 1993年出生, 2015年毕业于哈尔滨工程大学, 现为硕士研究生, 研究方向为反应堆热工水力", "MIAO Hongkang, male, born in 1993, graduated from Harbin Engineering University in 2015, master student, focusing on nuclear reactor thermal-hydraulic" ]
  陈玉爽, E-mail:chenyushuang@sinap.ac.cn CHEN Yushuang, E-mail:chenyushuang@sinap.ac.cn
  王纳秀, E-mail:wangnaxiu@sinap.ac.cn WANG Naxiu, E-mail:wangnaxiu@sinap.ac.cn
- 基金信息：
  
  国家自然科学基金(91326201);中国科学院战略性先导科技专项项目(XDA0201002)
- DOI：10.11889/j.0253-3219.2018.hjs.41.050602
  中图分类号： TL334
- 收稿日期：2017-12-07，
  
  修回日期：2018-01-22，
  
  纸质出版日期：2018-05-10
- 稿件说明：
移动端阅览
缪洪康, 陈玉爽, 吕刘帅, 等. 基于双向流固耦合的换热管流致振动分析[J]. 核技术, 2018,41(5):050602

Hongkang MIAO, Yushuang CHEN, Liushuai LYU, et al. Flow-induced vibration analysis of heat transfer tube based on two-way fluid-structure interaction[J]. Nuclear techniques, 2018, 41(5): 050602
缪洪康, 陈玉爽, 吕刘帅, 等. 基于双向流固耦合的换热管流致振动分析[J]. 核技术, 2018,41(5):050602 DOI： 10.11889/j.0253-3219.2018.hjs.41.050602.

Hongkang MIAO, Yushuang CHEN, Liushuai LYU, et al. Flow-induced vibration analysis of heat transfer tube based on two-way fluid-structure interaction[J]. Nuclear techniques, 2018, 41(5): 050602 DOI： 10.11889/j.0253-3219.2018.hjs.41.050602.

摘要

为研究管壳式熔盐空气换热器U型管弯管段受空气冲击诱导振动响应特性，依托中国科学院战略性先导科技专项——钍基熔盐堆核能系统（Thorium Molten Salt Reactor，TMSR）综合仿真实验平台，采用单管双向流固耦合方法进行仿真。计算加速度值与实验值较为吻合，误差范围为-12%~15%，证明了单管双向流固耦合方法分析换热管流致振动问题的可行性。数值模拟还表明：流致振动具有在初始0.06 s时间内空气流动和传热管位移趋于稳定和外扩-回弹的周期性变化等特征，最终将在一微小区间内做“8”字往复运动。

Abstract

Background

The molten-salt-air heat exchanger is an important part of thorium molten salt reactor (TMSR) integrated simulation platform based on strategic priority research program of Chinese Academy of Sciences

and the flow-induced vibration problem of heat transfer tube in this heat exchanger is critical. Furthermore

the analysis of fluid-structure interaction is currently few and unreliable.

Purpose

This study aims at the flow-induced vibration response characteristics of U-type heat pipe in shell and tube heat exchangers.

Methods

Numerical simulation was operated based on two-way fluid-structure interaction

and the calculated results are compared with experimental data to judge the feasibility of this method.

Results and Conclusion

The relationship between acceleration values are consistent

the error between experimental data and calculated results is in the range of about -12% to 15%

shows that flow-induced vibration analysis of single-tube based on two-way fluid-structure interaction method is feasible. Numerical simulation has also indicated that in the initial period of 0.06 s air flow and displacement of heat transfer tube tend to be stable

the U-type tube has periodic variation characteristics of expand-rebound. Finally

the reciprocating motion of tube tends to be a shape of number "8".

关键词

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