Theoretical prediction of turbulent skin friction on geometrically complex surfaces

Pierre Sagaut, Yulia Peet

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This article can be considered as an extension of the paper of Fukagata et al. (Phys. Fluids 14:L73, 2002) who derived an analytical expression for the componential contributions into skin friction in a turbulent channel, pipe and plane boundary layer flows. In this paper, we extend theoretical analysis of Fukagata et al. limited to canonical cases with two-dimensional mean flow to a fully three-dimensional situation allowing complex wall shapes. We start our analysis by considering arbitrarily-shaped surfaces and then formulate a restriction on a surface shape for which the current analysis is valid. Theoretical formula for skin friction coefficient is thus given for streamwise and spanwise homogeneous surfaces of any shape, as well as some more complex configurations, including spanwise-periodic wavy patterns. Current theoretical analysis is validated using the results of Large Eddy Simulations of a turbulent flow over straight and wavy riblets with triangular and knife-blade cross-sections. Decomposition of skin friction into different componential contributions allows to analyze the influence of different dynamical effects on a drag modification by riblet-covered surfaces.

Original languageEnglish (US)
Title of host publicationProgress in Wall Turbulence: Understanding and Modeling - Proceedings of the WALLTURB International Workshop, 2009
PublisherSpringer Netherland
Pages39-49
Number of pages11
Volume14
ISBN (Print)9789048196029
DOIs
StatePublished - 2011
Externally publishedYes
EventInternational Workshop on Understanding and Modelling of Wall Turbulence, 2009 - Lille, France
Duration: Apr 21 2009Apr 23 2009

Publication series

NameERCOFTAC Series
Volume14
ISSN (Print)13824309
ISSN (Electronic)22151826

Other

OtherInternational Workshop on Understanding and Modelling of Wall Turbulence, 2009
CountryFrance
CityLille
Period4/21/094/23/09

Fingerprint

Skin Friction
Skin friction
Prediction
Theoretical Analysis
Boundary layer flow
Boundary Layer Flow
Large Eddy Simulation
Large eddy simulation
Friction Coefficient
Blade
Drag
Turbulent Flow
Straight
Turbulent flow
Triangular
Cross section
Pipe
Valid
Restriction
Decomposition

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Computational Mathematics

Cite this

Sagaut, P., & Peet, Y. (2011). Theoretical prediction of turbulent skin friction on geometrically complex surfaces. In Progress in Wall Turbulence: Understanding and Modeling - Proceedings of the WALLTURB International Workshop, 2009 (Vol. 14, pp. 39-49). (ERCOFTAC Series; Vol. 14). Springer Netherland. https://doi.org/10.1007/978-90-481-9603-6_5

Theoretical prediction of turbulent skin friction on geometrically complex surfaces. / Sagaut, Pierre; Peet, Yulia.

Progress in Wall Turbulence: Understanding and Modeling - Proceedings of the WALLTURB International Workshop, 2009. Vol. 14 Springer Netherland, 2011. p. 39-49 (ERCOFTAC Series; Vol. 14).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sagaut, P & Peet, Y 2011, Theoretical prediction of turbulent skin friction on geometrically complex surfaces. in Progress in Wall Turbulence: Understanding and Modeling - Proceedings of the WALLTURB International Workshop, 2009. vol. 14, ERCOFTAC Series, vol. 14, Springer Netherland, pp. 39-49, International Workshop on Understanding and Modelling of Wall Turbulence, 2009, Lille, France, 4/21/09. https://doi.org/10.1007/978-90-481-9603-6_5
Sagaut P, Peet Y. Theoretical prediction of turbulent skin friction on geometrically complex surfaces. In Progress in Wall Turbulence: Understanding and Modeling - Proceedings of the WALLTURB International Workshop, 2009. Vol. 14. Springer Netherland. 2011. p. 39-49. (ERCOFTAC Series). https://doi.org/10.1007/978-90-481-9603-6_5
Sagaut, Pierre ; Peet, Yulia. / Theoretical prediction of turbulent skin friction on geometrically complex surfaces. Progress in Wall Turbulence: Understanding and Modeling - Proceedings of the WALLTURB International Workshop, 2009. Vol. 14 Springer Netherland, 2011. pp. 39-49 (ERCOFTAC Series).
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