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The Role of the Electrodes for the Ionization Sensor Signal

Franke, Axel LU ; Reinmann, Raymond and Larsson, Anders (2003) In SAE Technical Papers
Abstract
The effect of the electrodes on the early signal of the ionization sensor has been studied experimentally and with a model for the sensor. Experiments in a constant-volume combustion chamber with a generic electrode configuration allowed to investigate the role of electrode contact and the main path of the current. A framework for a model allowing the inclusion of electrode processes is introduced, and a first implementation of this model is presented. The results from the simulations are in good qualitative agreement with the experimental observations. Our conclusion is that electrode processes can limit the current during early combustion, and that the geometry of the electrodes, and especially the cathode, govern the characteristic... (More)
The effect of the electrodes on the early signal of the ionization sensor has been studied experimentally and with a model for the sensor. Experiments in a constant-volume combustion chamber with a generic electrode configuration allowed to investigate the role of electrode contact and the main path of the current. A framework for a model allowing the inclusion of electrode processes is introduced, and a first implementation of this model is presented. The results from the simulations are in good qualitative agreement with the experimental observations. Our conclusion is that electrode processes can limit the current during early combustion, and that the geometry of the electrodes, and especially the cathode, govern the characteristic shape of the first current peak. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Laser diagnostic combustion Engines
in
SAE Technical Papers
publisher
Society of Automotive Engineers
external identifiers
  • scopus:84877203943
language
English
LU publication?
yes
id
f0cb6c86-aebb-4ba0-927d-49c58af93fff (old id 707690)
alternative location
http://www.sae.org/technical/papers/2003-01-0714
date added to LUP
2007-12-07 14:06:23
date last changed
2017-04-16 04:29:44
@article{f0cb6c86-aebb-4ba0-927d-49c58af93fff,
  abstract     = {The effect of the electrodes on the early signal of the ionization sensor has been studied experimentally and with a model for the sensor. Experiments in a constant-volume combustion chamber with a generic electrode configuration allowed to investigate the role of electrode contact and the main path of the current. A framework for a model allowing the inclusion of electrode processes is introduced, and a first implementation of this model is presented. The results from the simulations are in good qualitative agreement with the experimental observations. Our conclusion is that electrode processes can limit the current during early combustion, and that the geometry of the electrodes, and especially the cathode, govern the characteristic shape of the first current peak.},
  author       = {Franke, Axel and Reinmann, Raymond and Larsson, Anders},
  keyword      = {Laser diagnostic
combustion Engines},
  language     = {eng},
  publisher    = {Society of Automotive Engineers},
  series       = {SAE Technical Papers},
  title        = {The Role of the Electrodes for the Ionization Sensor Signal},
  year         = {2003},
}