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On Transonic Marginal Separation

  1. Alfred Kluwick,
  2. Bernhard Streibl*

Article first published online: 15 FEB 2005

DOI: 10.1002/pamm.200410202

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PAMM

PAMM

Volume 4, Issue 1, pages 442–443, December 2004

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How to Cite

Kluwick, A. and Streibl, B. (2004), On Transonic Marginal Separation. Proc. Appl. Math. Mech., 4: 442–443. doi: 10.1002/pamm.200410202

Author Information

  1. Institute of Fluid Mechanics and Heat Transfer, Vienna University of Technology, Resselgasse 3, 1040 Vienna

*Phone: +43 (0)1 58801 32224, Fax: +43 (0)1 58801 32299

Publication History

  1. Issue published online: 15 FEB 2005
  2. Article first published online: 15 FEB 2005

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Abstract

Laminar boundary-layer separation near the leading edge of a thin airfoil is one of the principal factors that limits the lift force acting on the airfoil. Marginal separation, in particular, denotes the onset of separation which is accompanied by the formation of a short separation bubble. Using asymptotic analysis this effect is studied in the limit of high Reynolds number and for transonic external flow conditions. It is assumed that the fluid under consideration is a perfect gas and the airfoil surface is taken to be thermally insulated. Results to be presented include the analytical investigation of the emerging three layer structure, the associated transonic far field and the calculation of representative wall shear stress distributions. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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