A hybrid RANS-LES model for combining flows in open-channel T-junctions

Cheng Zeng, Chi Wai Li

Research output: Journal article publicationJournal articleAcademic researchpeer-review

25 Citations (Scopus)


In the present study, a hybrid RANS-LES (Reynolds Averaged Navier-Stokes equation-Large Eddy Simulation) model is developed for the simulation of open-channel T-junction flows. The hybrid approach can save computational effort comparing to the LES approach. The comparison between the computational results and the detailed experimental data shows that this relatively new modeling approach is more accurate than the RANS approach in the prediction of the combining flows in T-junctions.
Original languageEnglish
Pages (from-to)154-159
Number of pages6
JournalJournal of Hydrodynamics
Issue number5 SUPPL. 1
Publication statusPublished - 1 Oct 2010


  • Hybrid RANS-LES model
  • Open-channel flow
  • T-junction
  • Turbulence modeling

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials
  • Modelling and Simulation


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