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Transition of Boundary Layer on Rotating Flat Plate

  • S. Masuda
  • K. Okamae
  • I. Ariga
Conference paper
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)

Summary

This paper reports the results of an experimental investigation on transition of a boundary layer on a rotating flat plate in order to reveal the stabilizing and destabilizing effects of Coriolis acceleration and to obtain the quantitative expression of transition Reynolds number as a function of rotation number. Significant increase of transition Reynolds number of stabilized layer is found, which is more remarkable when the free stream turbulence level is low. Transition of stabilized layer begins with intermittent fluctuations similar to that of a stationary boundary layer but with clearer distinction of quiescent and fluctuating periods. Transition of destabilized layer is characterized by the gradual increase of frequency of velocity fluctuation.

Keywords

Reynolds Number Velocity Fluctuation Rotation Number Stabilize Boundary Layer Skin Friction Coefficient 
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References

  1. 1.
    Chawla,M.: The stability of boundary layer flow subject to rotation. Ph.D.Dissertation. Michigan State Univ. 1969.Google Scholar
  2. 2.
    Johnston,J.P.: The suppression of shear layer turbulence in rotating systems. J.Fluids Engng.Vol.95.No.2(1973)229–236.CrossRefGoogle Scholar
  3. 3.
    Koyama,H.;Masuda,S.;Ariga,I.;Watanabe,I.: Stabilizing and destabilizing effects of Coriolis force on two-dimensional laminar and turbulent boundary layers. Trans.ASME,Ser.A, Vol.101.No.l(1979)23–31.Google Scholar
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    Hall,D.J.;Gibbings,J.C.: Influence of stream turbulence and pressure gradient upon boundary layer transition.J.Mech.Engng. Sci.Vol.14.No.2(1972)134–146.CrossRefGoogle Scholar

Copyright information

© Springer-Verlag, Berlin, Heidelberg 1985

Authors and Affiliations

  • S. Masuda
    • 1
  • K. Okamae
    • 2
  • I. Ariga
    • 1
  1. 1.Department of Mechanical EngineeringKeio UniversityYokohamaJapan
  2. 2.Mitsubishi Atomic Power Industries, Inc.TokyoJapan

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