Abstract.
Mean and fluctuating velocities and shear stresses in an air jet impinging on a flat surface have been obtained by particle image velocimetry. A recirculation zone is revealed within the flow that carries material from the periphery of the wall jet back to its initial regions. Results within the wall jet agree with earlier data from laser Doppler anemometry, although significant differences occur with probe measurements. Data on the mixing characteristics of the flow are presented in a companion paper.
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Fairweather, .M., Hargrave, .G. Experimental investigation of an axisymmetric, impinging turbulent jet. 1. Velocity field. Exp Fluids 33, 464–471 (2002). https://doi.org/10.1007/s00348-002-0479-7
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DOI: https://doi.org/10.1007/s00348-002-0479-7