Experimental Study on Influence of Electrode Geometrical Parameters on Ionization Current

高忠权; 吴筱敏; 向往; 宋轶明; 皮敏; 黄佐华

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Experimental Study on Influence of Electrode Geometrical Parameters on Ionization Current

更新时间：2025-12-08

- Experimental Study on Influence of Electrode Geometrical Parameters on Ionization Current
- Vol. 42, Issue 1, Pages: 36-40(2008)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK402
- Online First：10 January 2008，
  
  Published：2008
- 稿件说明：
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高忠权, 吴筱敏, 向往, et al. Experimental Study on Influence of Electrode Geometrical Parameters on Ionization Current[J]. 2008, 42(1): 36-40.
DOI：

高忠权, 吴筱敏, 向往, et al. Experimental Study on Influence of Electrode Geometrical Parameters on Ionization Current[J]. 2008, 42(1): 36-40. DOI：

摘要

在定容燃烧弹中进行了正负电极面积对天然气-空气混合气燃烧产生的离子电流影响的研究

并将高速摄影仪在燃烧过程中拍摄的纹影照片与相应的离子电流进行分析对比.结果表明:电极直径和所布置的圆盘面积等参数不影响离子电流曲线的形态

曲线均存在点火、前锋区、后焰区3个阶段

可以完整地体现燃烧信息; 电极几何参数影响电流的幅值

而且正电极面积的影响大于负电极.

Abstract

The influence of electrodes on ionization current generated during the combustion of compressed natural gas(CNG)/air mixture was experimentally studied in a constant volume combustion bomb. In addition

the schlieren pictures taken by a high-speed camera were compared with the corresponding ionization currents. The results show that the electrode diameter and the area of the disks arranged on the electrode do not affect the profiles of the ionization current curves. All the curves include the information of the ignition

the front-flame and the post-flame stages which fully reflect the main combustion process. However

the values of the ionization current are affected by the electrode geometrical parameters

and the anode area has more influence on the ionization current than the cathode area.

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Keywords

references

SADAMI Y Y, EIJI T, YOSHISUKE H. Fundamental study on combustion diagnostics using a spark plug as ion probe. SAE Paper, 2000-01-2828[R]. Washington, DC: SAE 2000.

FRANKE A, REINMANN R, LARSSON A. The role of the electrodes for the ionization sensor signal, SAE Paper 2003-01-0714[R].Washington, DC: SAE, 2003.

WILSTERMANN H, GRELINER A, HOHNER P, et al. Ignition system integrated AC ion current sensing for robust and reliable online engine control, SAE Paper 2000-01-0553[R]. Washington, DC: SAE, 2000.

ERIKSSON L, NIELSEN L. Close loop ignition control by ionization current interpretation, SAE Paper 970854 [R]. Washington, DC: SAE, 2003.

吴筱敏, 杜卫宁, 廖世勇. 定容燃烧弹中离子信号的特征分析[J].燃烧科学与技术, 2005, 11(2):101-104.

WU Xiaomin, DU Weining, LIAO Shiyong. Analysis on the characteristics of the Ionic signal in a constant volume combustion bomb [J]. Journal of Combustion Science and Technology, 2005,11(2):101-104.

SHIMASAKI Y C, MAKI H, SAKAGUCHI J, et al. Study on combustion monitoring system for formula one engines using ionic current measurement, SAE Paper 2004-01-1921[R].Washington, DC: SAE, 2004.

DEPUSSAY E, ROUSSELE C M, BURNEL S. A probe to estimate the local fuel concentration in spark ignition engine: design and validation study of catalytic hot wire probe [J]. Flow Measurement and Instrumentation, 2001(12): 313-325.

陈宝柱,高树香.气体导电理论[M]. 南京:南京工学院出版社,1988.

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