基于金属网格传感器的液滴检测装置设计

李凤玲; 徐波; 王冰; 赵玲; 任国静

doi:10.13873/J.1000-9787(2016)05-0060-04

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基于金属网格传感器的液滴检测装置设计

设计与制造 | 更新时间：2025-09-11

- 基于金属网格传感器的液滴检测装置设计
- Design of drop detection equipment based on metal mesh sensor
- 传感器与微系统 2016年35卷第5期页码：60-63
- 作者机构：
  
  1. 中国电子科技集团公司第四十九研究所
  2. 中国航天员科研训练中心
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)05-0060-04
  中图分类号： TP212
- 纸质出版：2016
- 稿件说明：
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[1]李凤玲,徐波,王冰,赵玲,任国静.基于金属网格传感器的液滴检测装置设计[J].传感器与微系统,2016,35(05):60-63.

LI Feng-ling, XU Bo, WANG Bing, et al. Design of drop detection equipment based on metal mesh sensor[J]. 2016, 35(5): 60-63.
[1]李凤玲,徐波,王冰,赵玲,任国静.基于金属网格传感器的液滴检测装置设计[J].传感器与微系统,2016,35(05):60-63. DOI： 10.13873/J.1000-9787(2016)05-0060-04.

LI Feng-ling, XU Bo, WANG Bing, et al. Design of drop detection equipment based on metal mesh sensor[J]. 2016, 35(5): 60-63. DOI： 10.13873/J.1000-9787(2016)05-0060-04.

摘要

为实现微重力环境下气液两相流的液滴检测

采用49×49点阵的金属网格传感器

基于网格电极间的局部瞬时电导变化原理

实现管道截面液滴分布和个数统计。将控制采集和数据处理分别交由FPGA和DSP并行处理的设计方式

解决了系统实时在线测量问题。实验结果表明:该装置可实时捕捉流速为9.0 m/s、直径不小于5 mm的液滴或液团

克服了常规检测方法的不足

为评价水气分离装置的工作性能提供了可靠依据。

Abstract

To realize drop detection of air-liquid two-phase flow in microgravity

equipment is designed use metal mesh sensor with dot matrix of 49 × 49

drop distribution and number statistics of pipe cross section are realized based on principle of local instantaneous conductivity changes between mesh electrodes. The design mode that control collection and data processing separately taken up by FPGA and DSP processing concurrently

which can resolve the problem of real-time online measurement. The experiment results show that

the equipment can realtime capture liquid drops or group with velocity of 9. 0 m / s and diameter within 5 mm

it overcomes shortcomings of general detection method

and provides reliable basis for evaluating working performance of water gas separation device.

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references

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气液两相流空隙率测量方法微重力环境应用研究 [J]. 周文兴,邓一兵,周抗寒,王伟荣,尹永利. 传感器与微系统 . 2009(10)

常重力和低重力条件下气液两相流实验研究 [J]. 赵建福,解京昌,林海,胡文瑞. 中国科学E辑:技术科学 . 2002(04)

Experimental investigation of the effect of 90° standard elbow on horizontal gas–liquid stratified and annular flow characteristics using dual wire-mesh sensors [J] . Ronald E. Vieira,Netaji R. Kesana,Brenton S. McLaury,Siamack A. Shirazi,Carlos F. Torres,Eckhard Schleicher,Uwe Hampel. Experimental Thermal and Fluid Science . 2014

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Capacitance wire-mesh sensor applied for the visualization of three-phase gas–liquid–liquid flows [J] . Marco Jose da Silva,Uwe Hampel. Flow Measurement and Instrumentation . 2013

Dispersion in fully developed flow through regular porous structures: Experiments with wire-mesh sensors [J] . R. H?feli,C. Hutter,M. Damsohn,H.-M. Prasser,Ph. Rudolf von Rohr. Chemical Engineering & Processing: Process Intensification . 2013

Three-dimensional phasic velocity determination methods with wire-mesh sensor [J] . T. Kanai,M. Furuya,T. Arai,K. Shirakawa,Y. Nishi. International Journal of Multiphase Flow . 2012

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