Fluid flow and heat transfer performance in air flow across hollow fiber membrane tube bundles

李振兴

doi:10.3969/j.issn.0438-1157.2012.z1.005

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Fluid flow and heat transfer performance in air flow across hollow fiber membrane tube bundles

更新时间：2025-12-10

- Fluid flow and heat transfer performance in air flow across hollow fiber membrane tube bundles
- CIESC Journal Issue S1, Pages: 23-27(2012)
- 作者机构：
  
  华南理工大学化学与化工学院传热强化与过程节能教育部重点实验室,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.z1.005
  CLC： K124
- Online First：28 May 2012，
  
  Published：28 May 2012
- 稿件说明：
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李振兴. Fluid flow and heat transfer performance in air flow across hollow fiber membrane tube bundles[J]. CIESC Journal, 2012, (S1): 23-27.
DOI：

李振兴. Fluid flow and heat transfer performance in air flow across hollow fiber membrane tube bundles[J]. CIESC Journal, 2012, (S1): 23-27. DOI： 10.3969/j.issn.0438-1157.2012.z1.005.

摘要

采用标准k-ε模型和增强壁面函数法对空气横掠中空纤维膜管束的强制对流换热进行数值模拟。采用SIMPLEC算法求解速度场和压力场的耦合，守恒方程采用二阶迎风格式离散。计算得到了不同管间距比下的管束平均Nusselt数和阻力系数。分析了纵横管间距比及Reynolds数的改变对管束平均Nusselt数和阻力系数的影响。

Abstract

A k-ε turbulent model and enhanced wall function method are applied to simulate the convective heat transfer in air flow across hollow fiber membrane bundles.The velocity field and pressure field are coupled and solved by the SIMPLEC algorithm.The second order upwind scheme is employed to discretize the conservation equations.Mean Nusselt number and friction factor under various pitch to tube diameter ratios are calculated.The effect of changing longitudinal pitch，transverse pitch and Reynolds number on mean Nusselt number and friction factor is analyzed.

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