Fundamental Aspects of Jet Ignition for Natural Gas Engines

Epaminondas Mastorakos, Patton Allison, Andrea Giusti, P De Oliveira, S Benekos, Y Wright, C Frouzakis & K Boulouchos
© 2017 SAE International. Large-bore natural gas engines may use pre-chamber ignition. Despite extensive research in engine environments, the exact nature of the jet, as it exits the pre-chamber orifice, is not thoroughly understood and this leads to uncertainty in the design of such systems. In this work, a specially-designed rig comprising a quartz pre-chamber fit with an orifice and a turbulent flowing mixture outside the pre-chamber was used to study the pre-chamber flame, the...
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