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Nonlinear evolution of turbulent spots in the near-wall shear flow

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Abstract

The initial model of turbulent spots with the wall disturbance using the pulse form was proposed. A group of three-dimensional coupling compact difference schemes with high accuracy and high resolution were developed, and implemented to simulate the formation and development of turbulent spots in the near-wall shear flow by means of direct numerical simulation of the Navier-Stokes equations. Growing and decaying modes were used to analyze nonlinear evolution characteristics of the turbulent spots.

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Authors and Affiliations

  1. Department of aerodynamics, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China

    Zhang Li & Tang Dengbin

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  1. Zhang Li
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  2. Tang Dengbin
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Correspondence to Tang Dengbin.

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Zhang, L., Tang, D. Nonlinear evolution of turbulent spots in the near-wall shear flow. SCI CHINA SER G 49, 158–168 (2006). https://doi.org/10.1007/s11433-006-0158-4

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  • DOI: https://doi.org/10.1007/s11433-006-0158-4

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