Hot-wire measurements in a three-dimensional turbulent corner wall jet

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University of New Brunswick


When a jet of fluid is ejected parallel to a flat surface from a nozzle the fluid has a tendency to stick to the surface and spread more rapidly in the lateral direction than normal to the wall, as the jet evolves downstream. In order to improve our understanding of the jet, several researchers have altered many aspects of the jet and studied the resulting flow. The corner wall jet (one such alteration) is similar to the standard three-dimensional wall jet with the exception that one half of the surface has been rotated counter-clockwise by 90◦ degrees. This same spreading behavior is also expected to occur in the corner jet; however, the extent of which is not fully understood. Turbulence measurements were performed in both the three-dimensional and corner wall jet to help understand the differences between these two flows.