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Effect of turbulence intensity on airfoil flow: numerical simulations and experimental measurements

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Abstract

The effect of the turbulence intensity of the oncoming stream on the aerodynamic characteristics of the NACA-0012 airfoil is investigated by a direct numerical simulation. The numerical results are found to be consistent with the experimental measurements. Based on the finite spectral QUICK scheme, the simulation gets the high accuracy results. Both the simulation and the experiment reveal that the airfoil stall does not exist for the low turbulence intensity, however, occurs when the turbulence intensity increases sufficiently. Besides, the turbulence intensity has a significant effect on both the airfoil boundary layer and the separated shear layer.

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Authors and Affiliations

  1. Department of Mechanics and Aerospace Engineering, State Key Laboratory on Turbulence and Complex Systems, College of Engineering, Peking University, Beijing, 100871, P. R. China

    Shao-wu Li  (李韶武), Shu Wang  (王 庶), Jian-ping Wang  (王建平) & Jian-chun Mi  (米建春)

Authors
  1. Shao-wu Li  (李韶武)
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  2. Shu Wang  (王 庶)
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  3. Jian-ping Wang  (王建平)
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  4. Jian-chun Mi  (米建春)
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Corresponding author

Correspondence to Jian-ping Wang  (王建平).

Additional information

Communicated by Wen-rui HU

Project supported by the National Natural Science Foundation of China (No. 108720006) and the National Basic Research Program of China (973 Program) (No. 2007CB714601)

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Li, Sw., Wang, S., Wang, Jp. et al. Effect of turbulence intensity on airfoil flow: numerical simulations and experimental measurements. Appl. Math. Mech.-Engl. Ed. 32, 1029–1038 (2011). https://doi.org/10.1007/s10483-011-1478-8

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  • DOI: https://doi.org/10.1007/s10483-011-1478-8

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Chinese Library Classification

2010 Mathematics Subject Classification

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