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Second Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2001, KTH, Stockholm, Sweden

DOI: 10.1615/TSFP2

LARGE EDDY SIMULATION OF THE NEAR FIELD OF ROUND JETS WITH VORTEX-GENERATING TABS

pages 113-118
DOI: 10.1615/TSFP2.1820
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要約

Large eddy simulation was used to calculate the effects of vortex-generating tabs on the turbulence structures in the near field of a round jet. Alterations in the shape of the ring-shaped structures were observed. Changes in the rate of flow entrainment were related to the presence of large-scale braid-shaped structures formed as a result of the tabs. These preliminary results demonstrate the potential for using large eddy simulation to aid in design of efficient jet nozzles.

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