1994-03-01

Characterization of the Transient Spray from a High Pressure Swirl Injector 940188

This project is intended to characterize the transient spray from a high pressure swirl injector. The spray regions were identified as the leading edge, cone, trailing edge, and vortex cloud. Each region was influenced somewhat differently by changes in the operational parameters. Increasing the ambient chamber pressure increased the droplet size in all regions of the spray. Increasing the fluid pressure reduced the droplet size in all regions of the spray, except for the vortex cloud. Increasing the swirl of the fluid leaving the fuel injector increased the size of the droplets in the leading edge and cone region.

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