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DOI: 10.5445/IR/1000088317
Frei zugänglich ab 08.06.2019

An Advanced Ignition System for High Efficiency Engines

Idicheria, Cherian A.; Yun, Hanho; Najt, Paul M.

A pragmatic approach to meeting future CO2 regulations while delivering vehicles that customers want and can afford will require the synergistic integration of advanced tech-nologies that enhance engine efficiency by minimizing loss mechanisms and maximi-zing work recovery. Aggressive downsizing, higher compression ratios, increased le-vels of charge dilution, and homogeneous stoichiometric operation at wide open throttle with acceptable peak pressure levels are essential technologies to meet these challenging objectives. Many of these enabling technologies pose significant challen-ges for the conventional spark ignition system. To maximize gasoline engine efficiency, the ignition system should enhance early flame kernel development to support robust spark ignition combustion, should be able to enhance mixture reactivity to support part-load lean low-temperature combustion, and should tolerate high heat fluxes to support high speed and load operation without compromise. In this paper, we demonstrate a single, passive, lowtemperature plasma ignition concept that simultaneously addres-ses all these challenges. The groundless barrier d ... mehr

Zugehörige Institution(en) am KIT Institut für Kolbenmaschinen (IFKM)
Publikationstyp Proceedingsbeitrag
Jahr 2018
Sprache Englisch
Identifikator ISBN: 978-3-8169-3449-3
URN: urn:nbn:de:swb:90-883174
KITopen-ID: 1000088317
Erschienen in Ignition Systems for Gasoline Engines : 4th International Conference, December 6 - 7, 2018, Berlin, Germany. Ed.: M. Günther
Verlag expert Verlag, Tübingen
Seiten 40-54
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