Visualization Study of Misfire Phenomena under Light-Load Conditions in a 2-Stroke Engine

Visualization Study of Misfire Phenomena under Light-Load Conditions in a 2-Stroke Engine

Misfire under light-load conditions in a 2-stroke engine is analyzed. Direct photography and laser-induced fluorescence techniques are used simultaneously in order to visualize flame behavior and fuel mixture distribution. The following are clarified. (1) Misfire is caused not by misignition but by...

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Veröffentlicht in:Nihon Kikai Gakkai rombunshuu. B hen 1995/10/25, Vol.61(590), pp.3458-3463
Hauptverfasser: Fujikawa, Taketoshi, Kataoka, Masao, Katsumi, Norikazu, Kobayashi, Tatsuo
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
2-Stroke Engine
Flammability
Flow visualization
Fluorescence
Ignition
Laser applications
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Zusammenfassung:Misfire under light-load conditions in a 2-stroke engine is analyzed. Direct photography and laser-induced fluorescence techniques are used simultaneously in order to visualize flame behavior and fuel mixture distribution. The following are clarified. (1) Misfire is caused not by misignition but by incomplete flame propagation. (2) Fuel mixture distribution on misfire cycles is not severely stratified. (3) Incomplete flame propagation originates from the decrease of flame speed which is caused by a large amount of residual gases.
ISSN:0387-5016
1884-8346
DOI:10.1299/kikaib.61.3458