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Aspects Of Modeling Cavitation Effects Within Injection Equipment Using Advanced Two-Fluid Techniques

DOI: 10.1615/ICHMT.2006.TurbulHeatMassTransf.1680
pages 769-772

David Greif
AVL AST d.o.o., Svetozarevska 10, SI-2000 Maribor, Slovenia

D. M. Wang
Advanced Simulation Technologies, AVL Powertrain Engineering, Inc., Dr., Plymouth, MI 48170-2438, USA

Аннотация

The paper discusses aspects of modeling cavitating flows within injection equipment. Such flows are of interest within automotive and other internal combustion (IC) related industries. Ability to predict such internal flows by means of Computational Fluid Dynamics (CFD) results in improved engine efficiency, decreased emissions and shorter development cycles. Cavitation can have positive effects on engine performance such as enhanced spray break-up in the combustion chamber of the direct injection (DI) engines, but also negative ones such as erosion due to cavitation when vapor bubbles are collapsing on the surface of the investigated components.

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