Development Of A Numerical Model To Simulate Wave Induced Flow Patterns Within A Long Sea Outfall

Since their installation, long sea outfalls have suffered from saline intrusion. This migration of the receiving water into the outfall diffuser leads to reduced operational efficiency due to partial blockage of the system. Wave induced saline intrusion is a common phenomenon in shallow receiving wa...

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Bibliographic Details
Published in:WIT Transactions on Engineering Sciences 2000-01, Vol.29
Main Authors: Doyle, B M, Mackinnon, P A, Hamill, G A
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Computer simulation
Diffusers
Flow distribution
Fluid flow
Hydraulics
Intrusion
Mathematical models
Migration
Receiving waters
Two dimensional models
Wave generation
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Summary:Since their installation, long sea outfalls have suffered from saline intrusion. This migration of the receiving water into the outfall diffuser leads to reduced operational efficiency due to partial blockage of the system. Wave induced saline intrusion is a common phenomenon in shallow receiving waters. It is widely believed that the geometry of the outfall has a significant effect on the onset of wave induced intrusion. However, to date, a satisfactory method of assessing the influence of waves on the internal hydraulics of outfall diffusers of differing geometries has not been achieved. This document presents details of a two-dimensional numerical model to simulate sinusoidal wave generation in an open water body. The model is based on the FLUENT computat
ISSN:1746-4471
1743-3533
DOI:10.2495/AFM000011