Characterization of D.I. Diesel Sprays in High Density Conditions 960774

The characteristic parameters and the evolution of continuous Diesel sprays injected against a high density gas have been investigated using high speed photography and phase Doppler anemometry. The injector used for these tests was a two-spring one providing different injection conditions. Three test sections were analyzed at 10, 20 and 30 mm from the injector with several radial measurements for each one. The obtained results provided qualitative and quantitative information about the macroscopic evolution of the spray, but also about the drop velocity distribution and drop size evolution.


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