Author(s)

P.A. Mackinnon, N.R. Shannon, G.A. Hamill & B.M. Doyle

Abstract

The discharge and subsequent dispersion of wastewater through long sea outfalls is often inhibited by the intrusion of saline receiving water into the outfall diffiiser. Until recently, numerical modelling of intrusion and purging of saline water has been limited to one-dimensional (1-D) and enhanced 1-D models, which do not adequately describe the complex hydrodynamic processes generated within these devices. Recent research [1] has resulted in the development of a two-dimensional (2-D) numerical model to simulate the internal hydraulics of a long sea outfall with a saline intrusion. The model, which was developed using the FLUENT computational fluid dynamics (CFD) package, is designed to reproduce the effects of buoyancy and stratification, so that the interaction betwe

Keywords