2020 | OriginalPaper | Chapter
Analysis of scavenging air post-oxidation by means of 3D-CFD simulation including reaction mechanism
Authors : Rodolfo Tromellini, J. Przewlocki, F. Cupo, M. Bargende, M. Chiodi
Published in: 20. Internationales Stuttgarter Symposium
Publisher: Springer Fachmedien Wiesbaden
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The downsizing of direct injection gasoline engines shifts the engine operating points to areas of higher efficiency increasing the power density by means of turbocharging. The disadvantage is a delay in torque build-up at low rpm because of the low mass flow rate through the turbine. The low mass flow causes a low boost power, which again is coupled with the mass flow through the turbine.