Model of flow over spillways by computational fluid dynamics-Reference-Cited by-同舟云学术

Model of flow over spillways by computational fluid dynamics

Published:2014-03 Issue:3 Volume:167 Page:164-175
ISSN:1741-7589
Container-title:Proceedings of the Institution of Civil Engineers - Water Management
language:en
Short-container-title:Proceedings of the Institution of Civil Engineers - Water Management

Author:

Chinnarasri Chaiyuth¹,Kositgittiwong Duangrudee¹,Julien Pierre Y.²

Affiliation:

1. Water Resources Engineering & Management Research Center (WAREE), King Mongkut's University of Technology Thonburi, Bangkok, Thailand

2. Department of Civil and Environmental Engineering, Colorado State University, USA

Abstract

The objective of the present study was to simulate the flow behaviour through smooth, 25-step and 50-step spillways using a multiphase flow model with the realisable k–ε model. The simulation results were compared with the data from a large-scale physical model. A grid convergence index was used to reduce the discretisation error. The simulation results of flow along stepped spillways and the flow on the step agreed well with experimental data for both smooth and stepped spillways. The flow profiles, velocity profiles, turbulence intensity, and energy dissipation of flow through spillways are illustrated and discussed. Expressions for the turbulence intensity distributions in smooth and stepped spillways are also proposed.

Publisher

Thomas Telford Ltd.

Subject

Water Science and Technology

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/wama.12.00034

Reference23 articles.

1. Two-Phase Flow Characteristics of Stepped Spillways

2. Analyzing Turbulence Intensity in Gravel Bed Channels

3. Turbulence characteristics in skimming flows on stepped spillways

4. Characteristics of Skimming Flow over Stepped Spillways

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