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The turbulent mixing layer is one of the three popular free-shear turbulent flow models in nature and engineering. There are many methods for studying mixing layers, but the experimental methods are high effectiveness by their accuracy and clear pictures of the flow behavior. Experimental studies have the common feature of obtaining large data sets on the flow velocity field, and the analysis and processing of experimental data is an important step in experimental research. In this study, we analyze experimental data from published data by (Kim et al., AIAA Journal 58:133–147, 2019). The effect of convective Mach number on the length of the transition region and the development of shear-layer thickness are analyzed. The isotropic of the velocity fluctuation in the mixing region is also analyzed for understanding detailed aerodynamic features.

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Experimental Data Analysis: Effects of the Convective Mach Number on Mixing Layer Turbulence

  • 会议论文

  • 发表日期：

    2026年

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  • Trung Dung Nguyen,
  • Van Khiem Pham,
  • Anh Tuan Nguyen,
  • The Hung Tran

摘要

The turbulent mixing layer is one of the three popular free-shear turbulent flow models in nature and engineering. There are many methods for studying mixing layers, but the experimental methods are high effectiveness by their accuracy and clear pictures of the flow behavior. Experimental studies have the common feature of obtaining large data sets on the flow velocity field, and the analysis and processing of experimental data is an important step in experimental research. In this study, we analyze experimental data from published data by (Kim et al., AIAA Journal 58:133–147, 2019). The effect of convective Mach number on the length of the transition region and the development of shear-layer thickness are analyzed. The isotropic of the velocity fluctuation in the mixing region is also analyzed for understanding detailed aerodynamic features.