Numerical simulation on gas-liquid flow and mass transfer in curve part of serpentine micro-channel with small curvature

ZHOU Yunlong; CHANG He

doi:10.11949/j.issn.0438-1157.20161283

您当前的位置：

首页 >

文章列表页 >

Numerical simulation on gas-liquid flow and mass transfer in curve part of serpentine micro-channel with small curvature

更新时间：2025-11-26

- Numerical simulation on gas-liquid flow and mass transfer in curve part of serpentine micro-channel with small curvature
- CIESC Journal Issue 1, Pages: 97-103(2017)
- 作者机构：
  
  东北电力大学能源与动力工程学院,吉林市,吉林省,132012
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161283
  CLC： Q021.1
- Online First：05 January 2017，
  
  Published：05 January 2017
- 稿件说明：
移动端阅览
ZHOU Yunlong, CHANG He. Numerical simulation on gas-liquid flow and mass transfer in curve part of serpentine micro-channel with small curvature[J]. CIESC Journal, 2017, (1): 97-103.
DOI：

ZHOU Yunlong, CHANG He. Numerical simulation on gas-liquid flow and mass transfer in curve part of serpentine micro-channel with small curvature[J]. CIESC Journal, 2017, (1): 97-103. DOI： 10.11949/j.issn.0438-1157.20161283.

摘要

采用CLSVOF（coupled level set and volume of fluid）方法，以空气和水为工作流体对小曲率矩形截面蛇形微通道内气液两相流动进行模拟研究。验证模型的合理性后，研究了曲率对弯通道内压降的影响，曲率及气相速度对弹状流气泡及液塞长度的综合影响；同时深入分析了弯管内气液两相流动的传质特性，包括不同曲率下气泡长度的变化，弯管内液侧体积传质系数与液膜体积传质系数的比较，曲率及气相速度对液相体积传质系数的影响。同时，对比了回转弯道与直微通道传质系数的差异，发现弯微通道可以强化传质。

Abstract

A numerical analysis of flow pattern in a serpentine microchannel with small curvature and rectangular cross-section was made using the CLSVOF(coupled level set and volume of fluid method) multiphase model.The gas and water were used as working fluids.After verifying the rationality of the model with the experiment

the effect of curvature on the pressure drop in curved microchannel was studied

the combined influence of curvature and gas velocity on bubble and liquid slug length were investigated.At the same time

the mass transfer characteristics of gas-liquid two-phase flow in curve microchannel were analyzed deeply

including the change of bubble length under different curvature

and comparison of liquid volumetric mass transfer coefficient and mass transfer coefficient of liquid film in curve microchannel.Also

effect of curvature and gas phase velocity on liquid phase volumetric mass transfer coefficient was observed.Meanwhile

the difference of mass transfer coefficient between the curve and straight microchannel was compared

which leaded to a conclusion that the curve micro-channel can enhance the mass transfer.

关键词

Keywords

references

Views

227

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Characteristics research of the charge-hold-vent method for cryogenic propellant tank chilldown in microgravity

Numerical study on flow boiling heat transfer in asymmetric serrated microchannel structures

Numerical simulation study on the leakage diffusion characteristics and safety monitoring of liquid hydrogen in hydrogen refueling stations

Research on two-phase flow and heat transfer characteristics in precooling process of low-temperature pipelines based on one-dimensional drift-flux model

Numerical study on influence of perforated plate on retention performance of liquid oxygen tank under negative gravity

Related Author

ZHANG Rongda

MA Yuan

WANG Yunlong

WANG Kang

LI Yanzhong

XU Langtao

CUI Shuo

TANG Dawei

Related Institution

Department of Refrigeration and Cryogenic Engineering, Xi’an Jiaotong University

School of Energy and Power Engineering, Dalian University of Technology

School of Safety Science and Engineering, Changzhou University

China Academy of Launch Vehicle Technology Research and Development Center

Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University

⁰