Numerical simulation of pulsatile flow and mass transfer enhancement in a wavy-walled tube

JIA Baoju; SUN Faming; BIAN Yongning; XU Xinsheng

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Numerical simulation of pulsatile flow and mass transfer enhancement in a wavy-walled tube

更新时间：2025-12-10

- Numerical simulation of pulsatile flow and mass transfer enhancement in a wavy-walled tube
- CIESC Journal Issue 1, Pages: 6-14(2009)
- 作者机构：
  
  大连理工大学工业装备结构分析国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 January 2009，
  
  Published：05 January 2009
- 稿件说明：
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JIA Baoju, SUN Faming, BIAN Yongning, et al. Numerical simulation of pulsatile flow and mass transfer enhancement in a wavy-walled tube[J]. CIESC Journal, 2009, (1): 6-14.
DOI：

JIA Baoju, SUN Faming, BIAN Yongning, et al. Numerical simulation of pulsatile flow and mass transfer enhancement in a wavy-walled tube[J]. CIESC Journal, 2009, (1): 6-14. DOI：

摘要

应用Fluent软件对波壁管内脉动流场下的层流流动、质量传递强化进行了数值研究，并将得到的结果与已有的实验结果进行了比较。考虑了3个参数：净流动Reynolds数Re，脉动流的振动分率P和代表脉动频率的Strouhal数St，其中重点考察了St对质量传递强化的影响。对中等Reynolds数以下的脉动流动结构和质量传递强化的数值模拟结果表明，存在一个最佳St使得强化效果最好，并且数值结论与相应的实验结果具有较好的一致性。

Abstract

Fluid flow and mass transfer enhancement were investigated numerically with the software Fluent in a sinusoidal wavy-walled tube for pulsatile laminar flow，and the comparison between numerical and experimental results was performed.Three parameters were considered here：net flow Reynolds number，oscillatory fraction of flow rate and Strouhal number.Among them，the effect of Strouhal number was especially investigated.The numerical results of flow patterns and mass transfer enhancement below the moderate Reynolds numbers showed that there existed an optimum Strouhal number corresponding to the maximum mass transfer enhancement effect，and a good agreement was found between numerical and experimental results.

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