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Nano-scale modification of gold surfaces for sensing mercury from gaseous effluents of alumina refineries. The Australian alumina industry contributes more than $5.4 billion export income annually. It is also a major driver of the rural economy with all but one of Australia's seven alumina refineries located in rural areas. In response to the industry's attempts to reduce the environmental impact of its processes, this project will conduct basic strategic research into the interaction between m ....Nano-scale modification of gold surfaces for sensing mercury from gaseous effluents of alumina refineries. The Australian alumina industry contributes more than $5.4 billion export income annually. It is also a major driver of the rural economy with all but one of Australia's seven alumina refineries located in rural areas. In response to the industry's attempts to reduce the environmental impact of its processes, this project will conduct basic strategic research into the interaction between mercury vapour and gold surfaces at the nano-level. Our principal aim is to develop mercury sensor technology suited to alumina refineries. This innovative technology will be a significant breakthrough in the control of mercury emissions and have many other applications.
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Geotechnical and soil-structure interaction properties of soils in Perth CBD. A new underground railway (City Project) will shortly begin construction in Perth CBD. This construction, and its associated high level of monitoring instrumentation, offers a unique opportunity for an extensive and thorough examination of the mechanical properties of Perths soils. The research results emanating from the proposed combination of field monitoring, laboratory investigation and numerical analysis, will gre ....Geotechnical and soil-structure interaction properties of soils in Perth CBD. A new underground railway (City Project) will shortly begin construction in Perth CBD. This construction, and its associated high level of monitoring instrumentation, offers a unique opportunity for an extensive and thorough examination of the mechanical properties of Perths soils. The research results emanating from the proposed combination of field monitoring, laboratory investigation and numerical analysis, will greatly improve the reliability (and hence cost) of future foundation and basement designs in Perth and elsewhere.Read moreRead less
Application of ultra-high stability cryogenic sapphire oscillators to Very Long Baseline Interferometry. This project will develop a state-of-the-art commercial prototype of the cryogenic sapphire oscillator (CSO) optimised for use at remote sites. Proof of operation will be applied to the important niche market of Very-Long Baseline Interferometry (VLBI) radio astronomy, with improvements in image quality. The research will also significantly benefit the Australian bid for the SKA project, as ....Application of ultra-high stability cryogenic sapphire oscillators to Very Long Baseline Interferometry. This project will develop a state-of-the-art commercial prototype of the cryogenic sapphire oscillator (CSO) optimised for use at remote sites. Proof of operation will be applied to the important niche market of Very-Long Baseline Interferometry (VLBI) radio astronomy, with improvements in image quality. The research will also significantly benefit the Australian bid for the SKA project, as the CSO is the only technology capable of synchronising the outputs of the telescopes arrays to the required signal to noise to attain the required image quality. The project will further Australia's status in radio astronomy as a world leader and add to our exports of precision scientific instruments.Read moreRead less
Application of Femtosecond Light Sources to Generation of Low Noise Microwave Signals. The main goal of the research project is to develop prototypes of photonic oscillators capable of generating spectrally pure signals both at optical and microwave frequencies. The project is also aimed at understanding noise mechanisms affecting frequency stability of classical microwave oscillators based on sapphire loaded cavity resonators. By cryogenically cooling such resonators we plan to create a new fam ....Application of Femtosecond Light Sources to Generation of Low Noise Microwave Signals. The main goal of the research project is to develop prototypes of photonic oscillators capable of generating spectrally pure signals both at optical and microwave frequencies. The project is also aimed at understanding noise mechanisms affecting frequency stability of classical microwave oscillators based on sapphire loaded cavity resonators. By cryogenically cooling such resonators we plan to create a new family of extremely low noise and economically viable microwave signal sources. The research proposed will enrich the field of oscillator frequency control, give rise to new techniques for precision noise measurements and reinforce Australia's position at the forefront of microwave and photonic science.Read moreRead less
Vibration Isolation Technology and Instrumentaion for Geophysical Surveys. Many geophysical exploration instruments are limited in sensitivity by vibration induced noise. New techniques of vibration isolation have been shown to eliminate vibration induced noise in a vibrating wire magnetic gradiometer. This project will create fully integrated sensor ?isolation packages for airborne and underwater applications, both for gradiometers and for ground penetrating radars. The project will signific ....Vibration Isolation Technology and Instrumentaion for Geophysical Surveys. Many geophysical exploration instruments are limited in sensitivity by vibration induced noise. New techniques of vibration isolation have been shown to eliminate vibration induced noise in a vibrating wire magnetic gradiometer. This project will create fully integrated sensor ?isolation packages for airborne and underwater applications, both for gradiometers and for ground penetrating radars. The project will significantly benefit the mineral exploration industry as well as underwater detection of cables and ship wrecks.Read moreRead less
The stability of shallow coastal sediments with and without seagrasses. One of the key factors influencing the success of seagrass transplantation work appears to be the stability of the surrounding sediment, and therefore an understanding of the dynamism of the sediments is crucial to further progress in this field. This project will examine the dynamics of sediments around seagrass meadows across a range of wave energies. A series of automated sediment height loggers will be deployed in seagra ....The stability of shallow coastal sediments with and without seagrasses. One of the key factors influencing the success of seagrass transplantation work appears to be the stability of the surrounding sediment, and therefore an understanding of the dynamism of the sediments is crucial to further progress in this field. This project will examine the dynamics of sediments around seagrass meadows across a range of wave energies. A series of automated sediment height loggers will be deployed in seagrass meadows, as well as locations where seagrass meadows have been lost. Detailed studies of the sediments and environmental conditions will be undertaken at the same time, permitting comparisons between different locations.Read moreRead less