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Large Eddy Simulations of Turbulent Mixing Layers Excited with Two Frequencies

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Abstract

In this study, we investigate the energy transfer during the pairing and merging process of two vortices into one in an excited turbulent mixing layer using Large Eddy Simulations. We present simulations of natural and periodically excited mixing layers for validation purposes and study the vortex pairing dynamics by exciting the mixing layer by two frequencies. The results help in understanding the effects of the energy transfer in the long-wave turbulent spectrum and assessing the role of backscatter.

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Authors and Affiliations

  1. School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, Singapore

    Abhishek Sarkar & Jörg Schlüter

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  1. Abhishek Sarkar
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  2. Jörg Schlüter
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Correspondence to Abhishek Sarkar.

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Sarkar, A., Schlüter, J. Large Eddy Simulations of Turbulent Mixing Layers Excited with Two Frequencies. Flow Turbulence Combust 92, 651–671 (2014). https://doi.org/10.1007/s10494-013-9507-3

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  • DOI: https://doi.org/10.1007/s10494-013-9507-3

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