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Influence of Diesel Nozzle Geometry on Cavitation Using Eulerian Multi-Fluid Method
Authors:ZHANG Jun  DU Qing  YANG Yanxiang
Institution:1. Internal Combustion Engine Research Institute, Tianjin University, Tianjin 300072, China
2. Internal Combustion Engine Research Institute, Tianjin University, Tianjin 300072, China ;State Key Laboratory of Engines, Tianjin University, Tianjin 300072, China
Abstract:Dependent on automatically generated unstructured grids, a comprehensive computational fluid dynamics(CFD)numerical simulation is performed to analyze the influence of nozzle geometry on the internal flow characteristics of a multi-hole diesel injector with the multi-phase flow model based on Eulerian multi-fluid method.The diesel components in nozzle are considered as two continuous phases, diesel liquid and diesel vapor respectively.Considering that both of them are fully coupled and interpenetrated, sepa...
Keywords:diesel injection  cavitation  nozzle geometry  multi-phase flow  numerical simulation  
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