KSCE Journal of Civil Engineering

, Volume 16, Issue 6, pp 1071–1078 | Cite as

Discrete phase modeling study for particle motion in storm water retention

Research Paper Water Engineering

Abstract

This study compares three different types of multiple phase models to determine the most appropriate one for predicting the behavior of various types of storm water solids in a rectangular retention chamber. Two Lagrangian frame of coupled and uncoupled particle tracking models based on the interaction between the discrete phase and the continuous phase were tested. The third model was a sediment transport model using the Eulerian frame. This study tested five different storm water solids classified by particle size and settling characteristics. Particle retention efficiency and computational time were considered in determining the most appropriate multiphase model. For the gross solids, the Lagrangian coupled model provided the best agreement with the physical model measurements. The Eulerian frame model matched retention efficiency well for the high density coarse and finer solids. Although the Eulerian frame shows reliable retention prediction for most of the solid types, the Lagrangian coupled model can be an effective alternative requiring significantly reduced computational time.

Keywords

computational fluid dynamics discrete phase model multiphase model numerical model particle retention physical model retention storm water solids 

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Copyright information

© Korean Society of Civil Engineers and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Civil Engineering ProgramThe University of Texas Pan AmericanEdinburgUSA
  2. 2.Dept. of Civil EngineeringDaelim UniversityAnyangKorea

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