Research and development of devices to improve the quality of stormwater by removal of gross pollutants such as soil, litter and sediment. Oil,litter and sediment are serious pollutants in stormwater which go hand in hand with human and industrial activity. An outcome of this research will be to develop a device capable of removing such gross pollutants from stormwater at higher efficiencies than that currently commercially available. Vital wetland resources such as Moreton Bay near Brisbane, a ....Research and development of devices to improve the quality of stormwater by removal of gross pollutants such as soil, litter and sediment. Oil,litter and sediment are serious pollutants in stormwater which go hand in hand with human and industrial activity. An outcome of this research will be to develop a device capable of removing such gross pollutants from stormwater at higher efficiencies than that currently commercially available. Vital wetland resources such as Moreton Bay near Brisbane, a wetland of international significance that contributes around $400 million to the local economy,are under threat from polluted stormwater. Similar problems are occuring right around the entire coast of Australia and also in some inland waterways.Read moreRead less
Freshing, mixing and purging of riverine saline ponds by freshwater overflow. Develop a model to accurately predict the full details of flow in saline river ponds subjected to a freshwater overflow. Such ponds are ubiquitous in Australia's inland rivers, have low oxygen and high nutrient and salinity levels and are associated with poor water quality, both in the pond and downstream during flow events. The model will allow precise determination of the river flow rates required to fully purge pond ....Freshing, mixing and purging of riverine saline ponds by freshwater overflow. Develop a model to accurately predict the full details of flow in saline river ponds subjected to a freshwater overflow. Such ponds are ubiquitous in Australia's inland rivers, have low oxygen and high nutrient and salinity levels and are associated with poor water quality, both in the pond and downstream during flow events. The model will allow precise determination of the river flow rates required to fully purge ponds and the downstream effect of the low quality pond water on the riverine environment and will also assist in the devlopment of rule of thumb scaling formula that will be incorporated into a one-dimensional flow prediction model being developed by the industrial partner.Read moreRead less
Advances in real-time satellite monitoring of flow in rivers and estuaries. This project plans to improve the monitoring of our waterways by developing a novel moving drifter system that takes flow and water quality measurements along the pathlines of the drifters. One of the key challenges for Australian water management lies in monitoring and managing rivers and estuaries effectively over large geographical areas. Traditionally, instrumentation at stationary points has been used for such monit ....Advances in real-time satellite monitoring of flow in rivers and estuaries. This project plans to improve the monitoring of our waterways by developing a novel moving drifter system that takes flow and water quality measurements along the pathlines of the drifters. One of the key challenges for Australian water management lies in monitoring and managing rivers and estuaries effectively over large geographical areas. Traditionally, instrumentation at stationary points has been used for such monitoring, under the simplifying assumption that a single point adequately represents a very large region of water. By contrast, the Real-Time Flow Logging of Water (RT-FLOW) system expects to provide information from large regions of our waterways, providing stakeholders with more information to enable them to better manage issues including storm surge and erosion. The project also aims to provide improved validation of hydrodynamic models.Read moreRead less
Understanding pollutant transport in estuaries and coastal rivers. By advancing pollutant transport modelling that use recent developments in drift sensors, this project aims to investigate water quality of estuaries and coastal rivers under pressure from urban growth. The project expects to generate a new capability for quantitative particle concentration predictions through detection and innovative analysis of Lagrangian Coherent Structures. The expected outcome is a new particle transport mod ....Understanding pollutant transport in estuaries and coastal rivers. By advancing pollutant transport modelling that use recent developments in drift sensors, this project aims to investigate water quality of estuaries and coastal rivers under pressure from urban growth. The project expects to generate a new capability for quantitative particle concentration predictions through detection and innovative analysis of Lagrangian Coherent Structures. The expected outcome is a new particle transport modelling framework and algorithms for shallow water systems, which effectively exploit extensive datasets becoming available from GPS-enabled drifters. This should provide significant benefits such as reliable assessment of possible effects of catchment and waterway changes on pollutant and sediment concentration which can impact waterway health.Read moreRead less
Dynamic input adjustment to improve the stability of transient swirling flows in spray dryers. This project will use leading-edge numerical techniques to advance the science of flow stabilisation using dynamic flow modulation techniques. Improved sustainable processing will be enabled using this flow modulation in spray dryers to reduce processing problems due to the depositon of particles on dryer walls.
Optimum design of hydraulic structures in rural and urban Australia: dealing with floods and droughts. Australia's long-term forecast suggests the occurrence of longer and more frequent droughts, and more intense flood events. The project will study the fundamental hydrodynamic processes in hydraulic structures and aims to develop new innovative designs derived from process based approach for optimum operation in rural and urban Australia.
WAKE FLOWS WITH UPSTREAM TURBULENCE IN MARINE, ATMOSPHERIC AND BUILT ENVIRONMENTS. Through improved understanding of turbulent wakes the project will have applications across aeronautics and hydrodynamics, leading to more efficient engineering designs to reduce flow drag. In marine environments our findings will improve coastal ocean models and the prediction of pollutant dispersal, nutrient fluxes and sediment transport, and contribute to the management of biological productivity (NRP 1.5). In ....WAKE FLOWS WITH UPSTREAM TURBULENCE IN MARINE, ATMOSPHERIC AND BUILT ENVIRONMENTS. Through improved understanding of turbulent wakes the project will have applications across aeronautics and hydrodynamics, leading to more efficient engineering designs to reduce flow drag. In marine environments our findings will improve coastal ocean models and the prediction of pollutant dispersal, nutrient fluxes and sediment transport, and contribute to the management of biological productivity (NRP 1.5). In the atmospheric boundary layer, the results will assist planners to improve wind environments near large buildings or clusters of buildings, benefiting the safety of aircraft at takeoff and landing. The project will develop collaboration and help maintain the strength of Australian research in environmental flows.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE210101396
Funder
Australian Research Council
Funding Amount
$421,209.00
Summary
Dynamics and dispersion of microplastics in turbulent shallow water flows. Microplastics have become ubiquitous in our rivers, lakes and reservoirs, detrimentally impacting ecosystems. Via high-fidelity numerical simulations, the project aims to advance our understanding of the complex interplay between dispersed microplastics and key fluvial processes including turbulence, sediment transport and free-surface wave dynamics. The project intends to buildup a data-base containing high-resolution da ....Dynamics and dispersion of microplastics in turbulent shallow water flows. Microplastics have become ubiquitous in our rivers, lakes and reservoirs, detrimentally impacting ecosystems. Via high-fidelity numerical simulations, the project aims to advance our understanding of the complex interplay between dispersed microplastics and key fluvial processes including turbulence, sediment transport and free-surface wave dynamics. The project intends to buildup a data-base containing high-resolution data of the occurrence, trajectories and distribution of microplastics. The outcome is anticipated to be invaluable in improving microplastic transport models, standardisation of sampling and quantification techniques, and in designing innovative mitigation technologies for microplastic collection.
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A study of turbulence and influence of anthropogenic inputs in small subtropical estuaries. This project aims to improve our basic understanding of mixing and dispersion processes in small subtropical estuaries, and to develop improved predictive models to assist with the management of natural ecosystems. This will be the first comprehensive study of mixing processes and the influence of anthropogenic inputs in small subtropical estuaries.
Tidal generation of internal waves and currents. The North West Shelf (NWS) is a region of great significance to Australia, due mainly to the presence of the multi-billion dollar oil and gas industry, but also for fishing and national defense issues. This project will combine laboratory, numerical and field studies to quantify the production of internal waves on the NWS. The results will aid engineering design of offshore pipeline and structures, for both current production facilities and for fu ....Tidal generation of internal waves and currents. The North West Shelf (NWS) is a region of great significance to Australia, due mainly to the presence of the multi-billion dollar oil and gas industry, but also for fishing and national defense issues. This project will combine laboratory, numerical and field studies to quantify the production of internal waves on the NWS. The results will aid engineering design of offshore pipeline and structures, for both current production facilities and for future developments in deeper waters. The project will also provide quantitative knowledge and predictive behavior of the marine environment, allowing the development of earth and marine resources in a sustainable and informed way to protect the marine-based biodiversity.Read moreRead less