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Stability Analysis of Boundary-Layer Transition Using Accurate Velocity Profiles Obtained by an Advanced LES

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Abstract

Laminar-turbulent transition of the boundary layer is discussed from a view point of accuracy of the computational fluid dynamics. When highly accurate velocity profiles are used for stability analysis, curve of N factor of the eN method becomes apart from the curve of conventional laminar-flow computation. Furthermore, N value does not reach sufficient large value even in the situation that laminar-turbulent transition may occur. With the excellent computation, usefulness of the accurate velocity profiles for the transition issue is sought.

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Author information

Authors and Affiliations

  1. Institute of Aerospace Technology, Japan Aerospace Exploration Agency, Chofu Tokyo, 182-8522, Japan

    T. Atobe, T. Kurotaki & T. Sumi

  2. Sanko Aerospace Dept. Co., Ltd., Shinjuku Tokyo, 169-0075, Japan

    J. Hiyama

Authors
  1. T. Atobe
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  2. T. Kurotaki
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  3. T. Sumi
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  4. J. Hiyama
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Editor information

Editors and Affiliations

  1. China Aerospace Corporation, Science and Technology Council, P.O.Box 849, 100830, Beijing, China

    F. G. Zhuang

  2. Institute of Mechanics, Chinese Academy of Science, 100080, Beijing, China

    J. C. Li

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© 2007 Tsinghua University Press & Springer

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Atobe, T., Kurotaki, T., Sumi, T., Hiyama, J. (2007). Stability Analysis of Boundary-Layer Transition Using Accurate Velocity Profiles Obtained by an Advanced LES. In: Zhuang, F.G., Li, J.C. (eds) New Trends in Fluid Mechanics Research. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-75995-9_12

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