American Society of Civil Engineers


Application of Three RANS Turbulence Models to Aged Water Transmission Pipes


by Ryan T. Christensen, (corresponding author), (Staff Engineer, Hansen, Allen, and Luce, Inc., 6771 South 900 East, Midvale, UT 84047 E-mail: rchristensen@hansenallenluce.com), Robert E. Spall, P.E., (Professor, Utah State Univ., 8200 Old Main Hill, Logan, UT 84322-8200. E-mail: spall@engineering.usu.edu), and Steven L. Barfuss, P.E., M.ASCE, (Research Assistant Professor, Utah State Univ., 8200 Old Main Hill, Logan, UT 84322-8200. E-mail: steve.barfuss@.usu.edu)

Journal of Hydraulic Engineering, Vol. 137, No. 1, January 2011, pp. 135-139, (doi:  http://dx.doi.org/10.1061/(ASCE)HY.1943-7900.0000288)

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Document type: Technical Note
Abstract: The Reynolds-averaged Navier-Stokes (RANS) equations were solved to model flow through two aged pipes at Reynolds numbers ranging from 6,700 to 31,000. Turbulence models employed include the v2-f, realizable k-ε, and k-ω models. The v2-f turbulence model was found to more accurately reproduce available experimental results compared to the k-ε and k-ω turbulence models for flows at R=13,000 and R=31,000, while the realizable k-ε model was most accurate at R=6,700. Much of the error is likely attributable to deficiencies in modeling complex flow structures with flow separation and wall roughness elements smaller than the grid scale.


ASCE Subject Headings:
Computational fluid dynamics technique
Numerical models
Pipe flow
Turbulence
Water pipelines

Author Keywords:
Computational fluid dynamics technique
Numerical models
Pipe flow
Turbulence