Fluid Dynamics

, Volume 30, Issue 1, pp 45–48 | Cite as

Drag reduction in riblet-lined pipes

  • G. V. Enyutin
  • Yu. A. Lashkov
  • N. V. Samoilova


The possibilities of reducing the drag in pipes with a circular cross section by lining them with riblets have been investigated experimentally for developed turbulent air flow. The maximum drag reduction of 6–7% in the riblet-lined as compared with the smooth pipe was obtained for a dimensionless riblet pitch, expressed in law-of-the-wall parameters,s+=14−18.


Fluid Dynamics Drag Reduction Circular Cross Section Maximum Drag Reduction Smooth Pipe 
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Copyright information

© Plenum Publishing Corporation 1995

Authors and Affiliations

  • G. V. Enyutin
  • Yu. A. Lashkov
  • N. V. Samoilova

There are no affiliations available

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