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Figure 8
Two characteristic frames of in situ monitoring of fuel injection dynamics, with a perpendicular injection geometry (top) and an inclined injection geometry (bottom). The perpendicular geometry shows a more narrow jet atomization (i.e. spatial spread) with respect to distance from the injection nozzle in comparison with the inclined geometry. Such a spatial distribution can lead to a weak velocity gradient and an increased spray penetration, leading to wetting of the engine walls before combustion. Velocities in excess of 150 ms−1 in the interior of the spray have been measured using multi-bunch exposures.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 5| September 2024| Pages 1224-1233
https://doi.org/10.1107/S1600577524007306
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