Migration behavior of bubble cluster emerging from micro-orifice with liquid cross flow in mini-channel

ZHU Xun; XIE Jian; WANG Hong; LIAO Qiang; DING Yudong; FENG Hao

doi:10.3969/j.issn.0438-1157.2014.10.009

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Migration behavior of bubble cluster emerging from micro-orifice with liquid cross flow in mini-channel

更新时间：2025-12-10

- Migration behavior of bubble cluster emerging from micro-orifice with liquid cross flow in mini-channel
- CIESC Journal Issue 10, Pages: 3805-3810(2014)
- 作者机构：
  
  1. 重庆大学低品位能源利用技术及系统教育部重点实验室,重庆,400030
  2. 重庆大学工程热物理研究所,重庆,400030
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.10.009
  CLC： K121
- Online First：05 October 2014，
  
  Published：05 October 2014
- 稿件说明：
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ZHU Xun, XIE Jian, WANG Hong, et al. Migration behavior of bubble cluster emerging from micro-orifice with liquid cross flow in mini-channel[J]. CIESC Journal, 2014, (10): 3805-3810.
DOI：

ZHU Xun, XIE Jian, WANG Hong, et al. Migration behavior of bubble cluster emerging from micro-orifice with liquid cross flow in mini-channel[J]. CIESC Journal, 2014, (10): 3805-3810. DOI： 10.3969/j.issn.0438-1157.2014.10.009.

摘要

对微小矩形通道内，液体扰流下微孔孔口逸出气泡串的迁移行为进行了可视化实验。基于图像处理方法，分别研究了液体流量和通道倾斜角度对气泡串尺寸、运动速度以及运动轨迹的影响。发现了不同工况下通道内的微气泡堆积现象，并对其进行了分析。结果表明：增大液体流量或者通道倾角，使得形成的气泡尺寸减小，气泡运动轨迹与通道壁面夹角减小，气泡运动速度增大。液体流量与通道倾角影响了通道内微气泡堆积的位置及数量。

Abstract

Visualization experiments were performed on migration behavior of bubble cluster emerging from a micro-orifice with liquid cross flow in a mini rectangular channel. Based on the self-developed image processing method

the influences of liquid flow rate and inclination angle of the channel on the size

velocity and trajectory of bubble cluster were discussed. Meanwhile

micro-bubbles accumulation at the top wall of the channel was observed and analyzed under different operating conditions. The bubbles size as well as the angle between bubble trajectory and channel bottom wall decreased with increasing liquid flow rate and inclination angle of the channel. Furthermore

the location and number of the micro-bubbles accumulated at the top wall were distinctly affected by liquid flow rate and channel inclination angle.

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