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Study on Multicomponent Fuel Spray with High Injection Pressure
ISSN: 0148-7191, e-ISSN: 2688-3627
Published December 19, 2019 by SAE International in United States
This content contains downloadable datasetsAnnotation ability available
In previous study, the model for flash-boiling spray of multicomponent fuel was constructed and was implemented into KIVA code. This model considered the detailed physical properties and evaporation process of multicomponent fuel and the bubble nucleation, growth and disruption in a nozzle orifice and injected fuel droplets. These numerical results using this model were compared with experimental data which were obtained in the previous study using a constant volume vessel. The spray characteristics from numerical simulation qualitatively showed good agreement with the experimental results. Especially, it was confirmed from both the numerical and experimental data that flash-boiling effectively accelerated the atomization and vaporization of fuel droplets. However, in this previous study, injection pressure was very low (up to 15 MPa), and the spray characteristics of high pressure injection could not be analyzed. It is necessary to investigate the spray characteristics with high injection pressure for the application of multicomponent fuel to modern diesel engine.
In this study, this model was validated by comparing with the results from experiment using constant volume vessel. The effects of initial fuel temperature on the spray characteristics at high injection pressure were investigated by using this model. These results showed that this model could analyze a multicomponent fuel spray with high injection pressure and initial fuel temperature was one of the key parameter to control the spray characteristics of multicomponent fuel.
CitationKawano, D., Tsukiji, K., Senda, J., Matsumura, E. et al., "Study on Multicomponent Fuel Spray with High Injection Pressure," SAE Technical Paper 2019-01-2282, 2019, https://doi.org/10.4271/2019-01-2282.
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