Flow fields were measured within scaled-up plexiglass models of pressure-jet nozzles with the use of Laser-Doppler-Anemometry. The most significant items of interest were the tangential and axial velocity profiles for a variety of Reynolds numbers and swirl intensities in spill-controlled nozzles. The orifice film properties are of particular relevance for the subsequent disintegration of the fluid emission and hence for the final droplet distribution curves.

Topics
Laser velocimetry, Polymers
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© 1988 Laser Institute of America.
1988
Laser Institute of America
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