Flow generated by ducted surface pumps: buoyant jets at high Reynolds numbers and low Froude numbers.

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Ducted surface pumps are used in reservoirs to circulate and destratify the water in order to maintain its general quality and reduce the incidence of toxic algal blooms. This project aims to improve our understanding of the circulation and mixing behaviour of the large, low velocity jets, plumes and fountains created by these pumps. Computational fluid dynamics, laboratory and field studies will be used to model and map these flow fields. The findings will have a number of potential applications including methods for improving water quality in and downstream of storages.