نتایج جستجو برای: spark ignition engines

تعداد نتایج: 38296  

2000
A. Dreizler S. Lindenmaier U. Maas J. Hult M. Aldén C. F. Kaminski

This study reports the application of a novel, high speed laser-detector system for the time-resolved study of flame propagation in a well-controlled spark ignition system. The ignition system allowed full and reproducible control over the energy deposited during breakdown and the ensuing arc discharge of the spark plasma. Ignition was performed in a closed vessel which was filled with stoichio...

Journal: :Optics express 2015
S Lorenz M Bärwinkel P Heinz S Lehmann W Mühlbauer D Brüggemann

Miniaturized passively Q-switched Nd:YAG/Cr(4+):YAG lasers are promising candidates as spark sources for sophisticated laser ignition. The influence of the complex spatial-temporal pulse profile of such lasers on the process of plasma breakdown and on the energy transfer is studied. The developed measurement technique is applied to an open ignition system as well as to prototypes of laser spark...

Journal: :IFAC-PapersOnLine 2021

We propose a delay-dependent sampled-data output-feedback LPV control technique to address the air-fuel ratio (AFR) regulation problem in spark ignition (SI) engines. AFR and advanced fueling strategies are essential for maximizing fuel economy while minimizing harmful exhaust emissions. The path of SI engine, as well three-way catalyst (TWC) simplified dynamics, have been captured by continuou...

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