Transactions of Society of Automotive Engineers of Japan
Online ISSN : 1883-0811
Print ISSN : 0287-8321
ISSN-L : 0287-8321
Research Paper
Modelling on Spark Shortening under High-velocity Flow Conditions (First Report)
- Quantitative Optical Analysis on Spark Ignition -
Shogo SayamaMasao KinoshitaYoshiyuki MandokoroRyo MasudaTakayuki Fuyuto
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2018 Volume 49 Issue 4 Pages 726-731

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Abstract

This study models short circuits of spark channels and discharge blow-outs. In the short circuit model, spark channels are short-circuited between two arbitrary locations when the electric potential difference between the two locations exceeds a certain threshold. The threshold is varied as a function of distance between the two locations as well as the discharge current. In the discharge blow-out model, discharge blows out when discharge current fall below a certain threshold, which increases with spark channel length. Furthermore, this study suggests modifying the Kim et al.’s equation which predicts electrical resistance of spark channels.

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© 2018 Society of Automotive Engineers of Japan, Inc.
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