Application of Three RANS Turbulence Models to Aged Water Transmission Pipes
Publication: Journal of Hydraulic Engineering
Volume 137, Issue 1
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 , realizable , and models. The turbulence model was found to more accurately reproduce available experimental results compared to the and turbulence models for flows at and , while the realizable model was most accurate at . 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.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 137 • Issue 1 • January 2011
Pages: 135 - 139
Copyright
© 2011 ASCE.
History
Received: Dec 28, 2009
Accepted: May 21, 2010
Published online: May 26, 2010
Published in print: Jan 2011
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