Drag Force on Bubbles and Particles in Turbulent Flows. Australian exports are dominated by the minerals, metallurgical and chemicals industries, with minerals exports worth at least $40 billion annually. Many of the production processes are underpinned by the complex interaction between particles, bubbles and liquids. It is important that we understand the complex interactions taking place. This will enable us to improve existing operations and also to design completely new technologies, especi ....Drag Force on Bubbles and Particles in Turbulent Flows. Australian exports are dominated by the minerals, metallurgical and chemicals industries, with minerals exports worth at least $40 billion annually. Many of the production processes are underpinned by the complex interaction between particles, bubbles and liquids. It is important that we understand the complex interactions taking place. This will enable us to improve existing operations and also to design completely new technologies, especially in the emerging fields of nano and biotechnology. This project is important because it adds to our knowledge in the national priority area of Transforming Australian Industries, and its success will ensure that our industries remain at the forefront of innovation and are globally competitive. Read moreRead less
Robust fluid mixing through topological chaos. The Australian chemicals and plastics industry has an annual turnover of over $20 billion and employs over 77,000 people; fluid mixing is fundamental to this industry, yet the industry is recognised as underinvesting in research and development in this essential area. Furthermore, frontier technologies such as biotechnology and the next generation of smart materials also crucially rely on fluid mixing. This project aims to evaluate a new paradigm ( ....Robust fluid mixing through topological chaos. The Australian chemicals and plastics industry has an annual turnover of over $20 billion and employs over 77,000 people; fluid mixing is fundamental to this industry, yet the industry is recognised as underinvesting in research and development in this essential area. Furthermore, frontier technologies such as biotechnology and the next generation of smart materials also crucially rely on fluid mixing. This project aims to evaluate a new paradigm (topological chaos) for the design of mixers, to provide better and more robust mixers that work from microscopic to industrial scales.Read moreRead less
Photonic Crystal Enhanced Wavelength Selective, Multi-Colour Quantum Dot Infrared Photodetectors. Photonic crystal enhanced quantum dot infrared photodetectors are a new generation of detectors developed from integrating nanotechnology with material science and optics. This would not only enhance the detector performance but the structure will now detect a narrow band around the desired wavelength with multi-colour detectivity. The technology developed in this project is anticipated to attract i ....Photonic Crystal Enhanced Wavelength Selective, Multi-Colour Quantum Dot Infrared Photodetectors. Photonic crystal enhanced quantum dot infrared photodetectors are a new generation of detectors developed from integrating nanotechnology with material science and optics. This would not only enhance the detector performance but the structure will now detect a narrow band around the desired wavelength with multi-colour detectivity. The technology developed in this project is anticipated to attract interest from the industries and government agencies. It will be pervasive for use at home, in the manufacturing and mining industry, environmental and pollution monitoring, defence and national security. Applications include spectral imaging, remote sensing, environmental/pollution monitoring, toxic gas and bio-hazardous material detection.Read moreRead less
Extending the range of the flotation process for particle separation. The minerals industry is a significant contributor to Australia's prosperity. Flotation is an important process for upgrading low-grade ores to high-grade concentrates, and for recovering fine coal from tailings. This project is aimed at solving a long-term problem in current flotation practice, the difficulty in recovering ultrafine and coarse particles, currently lost from production. We will pursue two new discoveries recen ....Extending the range of the flotation process for particle separation. The minerals industry is a significant contributor to Australia's prosperity. Flotation is an important process for upgrading low-grade ores to high-grade concentrates, and for recovering fine coal from tailings. This project is aimed at solving a long-term problem in current flotation practice, the difficulty in recovering ultrafine and coarse particles, currently lost from production. We will pursue two new discoveries recently made by us, relating to the recovery of ultrafines and coarse particles. Benefits to Australia are of the order of $500 million a year in increased exports, education of high-quality graduates, export income from license fees and equipment.Read moreRead less
The role of floc structure in the formation of sediments and filter cakes. The project aims to understand at a fundamental level if and in what way the fractal structure of aggregates of fine particles is preserved when forming sediments and filter cakes. The effect of this structure on processes for separating solids and liquids is significant: each year, millions of dollars stand to be saved though more efficient filtration, and more efficient thickening of mineral slurries. Improved understan ....The role of floc structure in the formation of sediments and filter cakes. The project aims to understand at a fundamental level if and in what way the fractal structure of aggregates of fine particles is preserved when forming sediments and filter cakes. The effect of this structure on processes for separating solids and liquids is significant: each year, millions of dollars stand to be saved though more efficient filtration, and more efficient thickening of mineral slurries. Improved understanding allows intelligent design of flocculation systems to optimise the performance of downstream solid - liquid separation processes, maximising economic and environmental returns.Read moreRead less
Mass transport in aqueous foams. Flotation is extremely important in the minerals industry, whose exports are $110.5 billion annually. This project aims to significantly advance understanding of liquid transport in flotation froths, via a quantitative study of foam mass flow mechanisms. If successful, it may lead to modifications to current flotation devices, improving their froth-zone performance and saving money, water, energy and greenhouse gas emissions.
Materials World Network for the Study of Macromolecular Ferrofluids. This work will develop an understanding that will allow us to optimise the properties of ferrofluids (magnetic liquids) to suit particular applications. Although the primary application that will be investigated is the treatment of retinal detachment, the results will be applicable to a wide range of applications including ferrofluid-based actuators, electromagnetic micropumps and fluid based valves and sealing systems. During ....Materials World Network for the Study of Macromolecular Ferrofluids. This work will develop an understanding that will allow us to optimise the properties of ferrofluids (magnetic liquids) to suit particular applications. Although the primary application that will be investigated is the treatment of retinal detachment, the results will be applicable to a wide range of applications including ferrofluid-based actuators, electromagnetic micropumps and fluid based valves and sealing systems. During the course of this work, young Australian scientists will be trained in a cross-disciplinary environment in a variety of aspects of both nano- and bio- technology that are a key part of the National Research Priority: Frontier Technologies for Building and Transforming Australian Industries.Read moreRead less
Self-assembly and complexity: networks and patterns from materials to markets. Self-assembly leads the formation of patterns without external directing agents. It is responsible for the growth of complex multiscale structures found in biology and materials science and is a crucial concept for development of viable nanotechnologies. Complex systems, from biological ecosystems to financial markets and the Internet, are also characterized by spontaneous clustering and linkages that determine their ....Self-assembly and complexity: networks and patterns from materials to markets. Self-assembly leads the formation of patterns without external directing agents. It is responsible for the growth of complex multiscale structures found in biology and materials science and is a crucial concept for development of viable nanotechnologies. Complex systems, from biological ecosystems to financial markets and the Internet, are also characterized by spontaneous clustering and linkages that determine their collective behaviour. The project will investigate in detail the geometry, topology, materials science and statistical physics of networks, leading to design and characterization of robust self-assembled materials and complex systems.Read moreRead less
Application of First-principles Theory in Condensed Matter Physics, Surface Physics, Chemistry, and Engineering: Coatings, Catalysis, and Devices. The project addresses areas of high technological interest, namely the development of nitride-based materials for hard-coatings, spintronic (control and use of electron spin) and optoelectronic (in the blue/UV energy range) devices - as well as the area of heterogeneous oxidation catalysis. Using state-of-the-art methods it will lead to the developme ....Application of First-principles Theory in Condensed Matter Physics, Surface Physics, Chemistry, and Engineering: Coatings, Catalysis, and Devices. The project addresses areas of high technological interest, namely the development of nitride-based materials for hard-coatings, spintronic (control and use of electron spin) and optoelectronic (in the blue/UV energy range) devices - as well as the area of heterogeneous oxidation catalysis. Using state-of-the-art methods it will lead to the development of new materials and devices of relevance to industry.Read moreRead less
Australian Mineral Science Research Institute: Transformation of resource-based industries through the generation and application of new technologies. The research conducted within AMSRI will enable our existing resource-based industries to be transformed through the application of new technologies, helping to create an environmentally sustainable nation, a key national research priority. The research programs in energy efficient liberation, frugal water use and waste management, innovative proc ....Australian Mineral Science Research Institute: Transformation of resource-based industries through the generation and application of new technologies. The research conducted within AMSRI will enable our existing resource-based industries to be transformed through the application of new technologies, helping to create an environmentally sustainable nation, a key national research priority. The research programs in energy efficient liberation, frugal water use and waste management, innovative processing, material and interface science, advanced analysis and mathematics in minerals processing are of critical importance to Australia's major export industry. AMSRI will produce unique graduate students, educated in a multi-university, industry-linked research environment, who will provide a strong intellectual resource to both Australian industry and research institutions.Read moreRead less