Abstract
Turbulent jet flows from rectangular nozzles exhibit saddle-backed velocity profiles that are related to the upstream shaping of the nozzles. These velocity peaks are as much as 20% greater than the centerline velocity. The peaks appear to merge downstream. The present study includes examination of the mean and turbulence velocities of the jets for which strong peaks are evident. Contour plots of the mean velocity fields are presented. Outputs from two hot-wire anemometers have been subjected to both analog and digital analysis, allowing extensive correlations to be made. Coherence measurements are also presented.
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