The steady flow due to a nonuniform source in an otherwise uniform stream is studied, the source taking the form of an upstream-pointing and a downstream-pointing slender jet, or sheet-jet. The planar-model setting is described, along with applications, and then viscous flow computations are presented. The results show that the sheet-jet source together with the entrainment into the jets upstream and downstream induce an almost sink-like response in the overall flow, in contrast with the effects of a uniform source. The response yields a small eddy at the higher Reynolds numbers of the computations and suggests that large-scale eddies may occur for increased Reynolds numbers; yet the uniform-source model predicts the upstream stagnation point and some other features well.
Spreading of Nonuniform Jets in Wind
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division March 29, 2001; revised manuscript received January 14, 2002. Associate Editor: T. B. Gatski.
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Bhattacharyya, S., and Smith, F. T. (August 19, 2002). "Spreading of Nonuniform Jets in Wind ." ASME. J. Fluids Eng. September 2002; 124(3): 694–699. https://doi.org/10.1115/1.1478063
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