Assessment of Electric Arc Models used in Recent Spark Ignition Models

Georg Meyer, Sebastian Salbrechter, Anton Tilz, Andreas Wimmer

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem Konferenzband

Abstract

Recent comprehensive spark ignition models for CFD simulation of automotive gasoline engines take into account the behaviour of an electric arc under local flows at the spark plug. Inherent assumptions of these models are discussed, in particular, the assumption that the arc passively follows the flow. Simulation results are compared to test bed results. A relative velocity between arc and flow is identified and based on physical grounds a modification of the arc modelling is presented. The influence of pressure and electrode gap is discussed with emphasis of possible applications of such models for large stationary gas engines.
Originalspracheenglisch
TitelECM 8th Combustion Meeting
PublikationsstatusVeröffentlicht - 2017
Veranstaltung 8th European Combustion Meeting - Dubrovnik, Kroatien
Dauer: 18 Apr 201721 Apr 2017

Konferenz

Konferenz 8th European Combustion Meeting
KurztitelECM 2017
LandKroatien
OrtDubrovnik
Zeitraum18/04/1721/04/17

Fields of Expertise

  • Sustainable Systems

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