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Understanding the governing parameters and dynamics of turbulent spray atomization is essential for the advancement of fuel injection technologies, but no concrete understandings have been derived previously. The current study investigates the governing parameters and dynamics of turbulent spray atomization by experimental observations of near-nozzle spray phenomena using an X-ray imaging technique...
In order to improve the engine thermal efficiency with reduced emissions, substantial studies have been carried out to investigate the factors affecting the fuel spray characteristics such as nozzle geometry, fuel property, and injection and ambient conditions. However, most of the previous studies have focused on the macroscopic structures of the fuel sprays, but detailed structures of internal spray...
Nozzle hole design factors, such as length, diameter, position and number of nozzle holes, significantly alter the near-field jet flow and following spray formation of fuel injection nozzles. This study investigates the effects of various nozzle hole design factors on near-field jet flow and spray formation of the multi-hole injectors for gasoline direct-injection (GDI) engines. The novelty of this...
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