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Visualization of the structure of an incident shock wave/turbulent boundary layer interaction

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Abstract

An experimental study of shock wave/turbulent boundary layer interaction at Mach 3 is performed. A newly-developed nano-tracer planar laser scattering technique is used to reveal three-dimensional instantaneous structures of the flow. Large-scale structures within the incoming turbulent boundary layer and the unsteady motion of the separation bubble and the reflected shock are visualized in the streamwise wall-normal plane. The temporal evolution of the flow structures as well as the interaction between the large-scale structures and the reflected shock are analyzed using two successive images. Instantaneous structures in streamwise-spanwise planes at different heights are also presented, thus revealing highly three-dimensional nature of the interaction.

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Acknowledgments

This research was supported by the National Basic Research Program of China (No. 2009CB724100) and the National Natural Science Foundation of China (Grant No. 11172326).

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Authors and Affiliations

  1. College of Aerospace and Material Engineering, National University of Defense Technology, Changsha, 410073, China

    L. He, S. Yi, Z. Chen & Y. Zhu

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  1. L. He
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  2. S. Yi
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  3. Z. Chen
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  4. Y. Zhu
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Correspondence to L. He.

Additional information

Communicated by H. Olivier and E. Timofeev.

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He, L., Yi, S., Chen, Z. et al. Visualization of the structure of an incident shock wave/turbulent boundary layer interaction. Shock Waves 24, 583–592 (2014). https://doi.org/10.1007/s00193-014-0530-7

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  • DOI: https://doi.org/10.1007/s00193-014-0530-7

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