Fluid Dynamics

, Volume 6, Issue 2, pp 285–288 | Cite as

Stability of the boundary layer of a non-Newtonian liquid obeying a power-type rheological law

  • V. V. Skripachev


The stability of the stationary (steady-state) laminar boundary layer of a non-Newtonian liquid obeying a power-type rheological law at a semiinfinite plate situated in a longitudinal flow is analyzed. An approximate formula is derived for estimating the minimum Reynolds number at which the flow loses stability with respect to slight two-dimensional perturbations. Calculations of the point of stability loss for aqueous solutions of carboxyl methyl cellulose are presented.


Methyl Cellulose Aqueous Solution Boundary Layer Reynolds Number 
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Literature cited

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    Z. P. Shul'man and B. M. Berkovskii, Boundary Layer of Non-Newtonian Liquids [in Russian], Nauka i Tekhnika, Minsk (1966).Google Scholar
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    A. R. Wazzan, T. Okamura, and A. M. O. Smith, “The Stability of Water Over Heated and Cooled Flat Plates,” J. Heat Trans. ASME, Ser. C, 90, No. 1 (1968).Google Scholar
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    A. M. Makarov, L. K. Martinson, and K. B. Pavlov, “Stability of the Plane Flow of a Non-Newtonian Liquid with a Power-Type Rheological Law,” Inzh.-Fiz. Zh.,16, No. 5 (1969).Google Scholar
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Copyright information

© Consultants Bureau, a division of Plenum Publishing Corporation 1973

Authors and Affiliations

  • V. V. Skripachev
    • 1
  1. 1.Kiev

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