Dynamic Postural Stability And Falls Prediction In Older People During Walking In Real-world Environments.
Funder
National Health and Medical Research Council
Funding Amount
$680,793.00
Summary
The increased occurrence of falls with advancing age (33-50% of people aged >65 years) is a significant cause of mortality (1014 deaths in 1998), morbidity, and disability, affecting not only the individuals concerned, but the health care system (45,069 fall related hospitalizations in 1998 in Australia) and the broader community (National falls Prevention Initiative, 2004). Although there are a number of falls risk tests, most rely on determination of body sway while standing when the body i ....The increased occurrence of falls with advancing age (33-50% of people aged >65 years) is a significant cause of mortality (1014 deaths in 1998), morbidity, and disability, affecting not only the individuals concerned, but the health care system (45,069 fall related hospitalizations in 1998 in Australia) and the broader community (National falls Prevention Initiative, 2004). Although there are a number of falls risk tests, most rely on determination of body sway while standing when the body is static rather than in motion. Given that up to 70% of falls occur during walking and performing transfers, there is a clear need to develop tests of falls risk prediction that incorporate indices of postural stability measured during more dynamic activities. Test development needs to be underpinned by clear evidence of how age-related sensory and motor deficits affect postural stability during walking. The studies outlined in this application will develop and utilise new accelerometer-based technologies to determine the fundamental mechanisms underlying balance control during walking in older people. Specifically, this project will aim to develop a clear understanding of how changes in factors as vision, neuromuscular function (strength, stiffness) and proprioception contribute to the overall decline in stability and balance during walking in older people. Combined with physiological assessment measures developed by the research team, the research will allow the development of a more definitive predictive test of stability and falls risk. This test will be able to be used by health professionals for assessment of older people to determine the most effective therapeutic and-or exercise interventions to target those individuals at risk. This technology will also be adaptable to a biofeedback device to allow individuals to monitor their own stability.Read moreRead less
Transdisciplinary Stroke Assessment: Can It Improve Allied Health Efficiency And Care On An Acute Stroke Unit?
Funder
National Health and Medical Research Council
Funding Amount
$106,268.00
Summary
This study will evaluate a new way of effectively delivering allied health assessment on Acute Stroke Units. It will compare current practice (multiple discipline-specific assessments) to a new transdisciplinary assessment (one allied health assessment) on the Mater Hospital Brisbane Acute Stroke Unit. It is anticipated that the transdisciplinary assessment will be more time-efficient, cost-saving, improve quality of care, increase patient/staff satisfaction, and build inter-professional trust.
Conjugate natural convection boundary layers. Conjugate natural convection systems occur when a conducting vertical wall separates fluids at different temperatures (that is at a window separating the interior of a room from the outside or when a container of fluid is placed in a refrigerator). This project will provide accurate predictions of such flows together with scaling relations.
High quality and robust energy conversion systems for distribution networks. This project aims to protect distribution networks by reducing harmonics and electromagnetic Interference generated by modern power electronics equipment. Due to global demand for energy savings and reductions in greenhouse gas emissions, the utilisation of renewable energy sources and efficient loads using power electronics technology in distribution networks is increasing. Aspects of this technology are highly complex ....High quality and robust energy conversion systems for distribution networks. This project aims to protect distribution networks by reducing harmonics and electromagnetic Interference generated by modern power electronics equipment. Due to global demand for energy savings and reductions in greenhouse gas emissions, the utilisation of renewable energy sources and efficient loads using power electronics technology in distribution networks is increasing. Aspects of this technology are highly complex and not well understood and the robustness of existing and future power grids will be affected. The project will minimise risk factors associated with high frequency noise and resonances in low voltage grids both of which are very important for power electronics manufacturers and utility companies in Australia.Read moreRead less
Entrainment and Mixing in Turbulent Negatively Buoyant Jets and Fountains. The project intends to develop tools to accurate predict fountain flows. Volcanic eruptions, building ventilation and brine discharge from desalination plants are all examples of turbulent fountains and negatively buoyant jets. The project aims to conduct an investigation into the turbulent structure of fountains and negatively buoyant jets using numerical simulation and laboratory experiments, and to assess the accuracy ....Entrainment and Mixing in Turbulent Negatively Buoyant Jets and Fountains. The project intends to develop tools to accurate predict fountain flows. Volcanic eruptions, building ventilation and brine discharge from desalination plants are all examples of turbulent fountains and negatively buoyant jets. The project aims to conduct an investigation into the turbulent structure of fountains and negatively buoyant jets using numerical simulation and laboratory experiments, and to assess the accuracy of the commonly used integral models and test the effect of the use of more accurate entrainment relations. This may have a range of applications – enabling better prediction of environmental impacts, reduction of the adverse effects of the discharge of pollutants, and reduction in energy consumption in building ventilation and other industrial applications.Read moreRead less
Towards energy-efficient lighting based on light-emitting diodes: the role of silicon carbide grown on Si Wafers. This project will investigate a potential solution to the problems of cost and quality of light-emitting diodes for solid-state lighting. The expected outcome is knowledge to underpin future development of solid-state lighting that is suitable for a wide replacement of the much less efficient and effective incandescent bulbs and fluorescent tubes.
Discovery Early Career Researcher Award - Grant ID: DE190100144
Funder
Australian Research Council
Funding Amount
$411,000.00
Summary
Rational design of light-emitting materials for lighting and displays. This project aims to solve the most pressing problem in organic light emitting diodes - the lack of highly efficient, phosphorescent blue emitters. The project expects to generate new understanding of energy loss mechanisms in such devices from multiscale quantum mechanical models, which describe the interaction of the emitter with its environment, and to design new materials via big data approaches. Expected outcomes include ....Rational design of light-emitting materials for lighting and displays. This project aims to solve the most pressing problem in organic light emitting diodes - the lack of highly efficient, phosphorescent blue emitters. The project expects to generate new understanding of energy loss mechanisms in such devices from multiscale quantum mechanical models, which describe the interaction of the emitter with its environment, and to design new materials via big data approaches. Expected outcomes include a fundamental understanding of non-radiative decay processes in organometallic complexes and more efficient lighting and display technologies. This project should provide significant benefits in reducing energy use, as lighting and displays consume around a quarter of the energy generated in developed countries.Read moreRead less
Reactivity of Carbon-Carbon Composites. This project investigates the reactivity of pitch-coke carbon composites with the aim of minimising oxidative carbon loss from anodes during aluminium smelting. Such carbon loss accounts for about 15 percent of the total carbon consumption in smelting, and its reduction will provide considerable economic benefit besides contributing to mitigation of greenhouse gas emission. In the present project the effect of coke calcination and composite baking temper ....Reactivity of Carbon-Carbon Composites. This project investigates the reactivity of pitch-coke carbon composites with the aim of minimising oxidative carbon loss from anodes during aluminium smelting. Such carbon loss accounts for about 15 percent of the total carbon consumption in smelting, and its reduction will provide considerable economic benefit besides contributing to mitigation of greenhouse gas emission. In the present project the effect of coke calcination and composite baking temperatures on the relationship between anode microstructure and reactivity in oxygen as well as carbon dioxide will be investigated, and optimum process conditions determined for minimum reactive carbon loss during smelting.Read moreRead less
Pathways for performance improvements of organic light emitting diodes . Organic light-emitting diodes (OLEDs) represent the next generation technology for displays and lighting. Despite their rapid uptake, one of the factors limiting their application in lighting is the efficiency roll-off at high brightness. This project aims to work towards solutions for this problem using an innovative combination of simulation studies and experimental work. Expected outcomes include improved theoretical and ....Pathways for performance improvements of organic light emitting diodes . Organic light-emitting diodes (OLEDs) represent the next generation technology for displays and lighting. Despite their rapid uptake, one of the factors limiting their application in lighting is the efficiency roll-off at high brightness. This project aims to work towards solutions for this problem using an innovative combination of simulation studies and experimental work. Expected outcomes include improved theoretical and experimental approaches leading to new design rules for OLEDs. This should provide significant benefits such as a pathway for development of improved efficient, high brightness OLEDs for applications in low energy consumption lighting and long-lasting, bright displays.Read moreRead less