A lip jet occurs when a jet leaving a nozzle has a solid boundary on one side parallel to its axis. This report presents results on the physical properties and the possible impact of nozzles on the lip jet. The nozzle had a width of 0.2 mm and an aspect ratio 350. As the lip length was increased from 0 to 100 mm, the jet width near the end of the lip also increased but the jet maximum velocity and profile symmetry decreased. When channel length, distance from the nozzle reservoir to the exit, was changed from 1 to 10 mm the velocity profile remained 'bullet shaped" and there was no significant changes to the jet properties. When a 10°?transition slope was introduced between reservoir and the channel, the jet velocity profile was slightly flatter than the previous 1 mm channel nozzle. The slope also increased the air entrainment and downstream velocities were higher but it did not change the jet growth. Varying the trailing edge angle of the nozzle from 90°?to 30°?did not affect the jet development.
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