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RISComparison of Mixture and Multifluid Models for In Nozzle Cavitation Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fuel injectors often feature cavitation because of large pressure gradients, which in some regions lead to extremely low pressures. The main objective of this work is to compare the prediction capabilities of two multiphase ...
Modeling of Internal and Near Nozzle Flow for a Gasoline Direct Injection Fuel Injector
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical study of twophase flow inside the nozzle holes and the issuing spray jets for a multihole direct injection gasoline injector has been presented in this work. The injector geometry is representative of the Spray ...
Effect of Piston Crevices on the Numerical Simulation of a Heavy-Duty Diesel Engine Retrofitted to Natural-Gas Spark-Ignition Operation
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Three-dimensional computational fluid dynamics internal combustion engine simulations that use a simplified combustion model based on the flamelet concept provide acceptable results with minimum computational costs and ...
Validation of a Three Dimensional Internal Nozzle Flow Model Including Automatic Mesh Generation and Cavitation Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fuel injectors often experience cavitation due to regions of extremely low pressure. In this work, a cavitation modeling method is implemented in the CONVERGE computational fluid dynamics (CFD) code in order to model the ...