Turbulent cascades in superfluid Flatland. This project aims to answer open questions in turbulence by stirring many tiny whirlpools (vortices) into a superfluid Bose-Einstein condensate. It seeks to determine how vortex dynamics redistribute energy across broad length scales in superfluids, how turbulence arises from instabilities, and how turbulence redistributes energy in multicomponent superfluids. The outcomes of this project will elucidate the links between quantum and classical fluids, an ....Turbulent cascades in superfluid Flatland. This project aims to answer open questions in turbulence by stirring many tiny whirlpools (vortices) into a superfluid Bose-Einstein condensate. It seeks to determine how vortex dynamics redistribute energy across broad length scales in superfluids, how turbulence arises from instabilities, and how turbulence redistributes energy in multicomponent superfluids. The outcomes of this project will elucidate the links between quantum and classical fluids, and provide unambiguous tests of theoretical models in real-world systems. These results will be beneficial to the understanding of the physics of quantum superfluids, and will inform the engineering of quantum-enhanced devices that utilise trapped superfluid media for precision sensing.Read moreRead less
Putting an end to hospital-borne infection with micronebulisation of lung-safe disinfectants. Dangerous infections are unfortunately common in hospitals, established and retransmitted via surfaces and handheld items, representing a leading contributor to death worldwide, and potentially a far more serious problem to come as antimicrobial resistance worsens. The project aims to exploit a newly discovered and unique low power nebulisation technology to nebulise a strongly antiviral, antibacterial ....Putting an end to hospital-borne infection with micronebulisation of lung-safe disinfectants. Dangerous infections are unfortunately common in hospitals, established and retransmitted via surfaces and handheld items, representing a leading contributor to death worldwide, and potentially a far more serious problem to come as antimicrobial resistance worsens. The project aims to exploit a newly discovered and unique low power nebulisation technology to nebulise a strongly antiviral, antibacterial and antifungal agent, triethylene glycol that is too viscous to do so by any other known method. Through refinement and engineering of the technology via this project, handheld and room-based continuously operating nebulisers will produce continuous microdroplet mists of these pathogen-killing agents that deposit on surfaces throughout a hospital.Read moreRead less
Fluid-Structure Interactions in Flows through Flexible-Walled Channels. This project seeks to deliver a definitive understanding of the behaviour of steady and pulsating fluid flow through compliant-walled channels and pipes. Novel theoretical stability-analyses and experimental investigations, complemented by targeted numerical simulations, will be developed and used to identify and categorise fluid- and wall-based wave-disturbances and their interactions. This can underpin the development of t ....Fluid-Structure Interactions in Flows through Flexible-Walled Channels. This project seeks to deliver a definitive understanding of the behaviour of steady and pulsating fluid flow through compliant-walled channels and pipes. Novel theoretical stability-analyses and experimental investigations, complemented by targeted numerical simulations, will be developed and used to identify and categorise fluid- and wall-based wave-disturbances and their interactions. This can underpin the development of technologies that control these flows to advantage in both engineered fluid-flow and biologically occurring systems. Robust design guidelines will emerge to safeguard and enhance the use of compliant liners and flexible panels for drag and noise reductions, or to protect surfaces exposed to fluid flows. Read moreRead less
Analysis and application of a Lagrangian turbulence model for smoothed particle hydrodynamics. The project will use a new turbulence model to improve the predictions of chaotic motions that include plunging waves, fast flows carrying sediment and the mixing of pollutants.
Effect of forcing on the turbulent mixing of a passive scalar. This project will increase Australia’s expertise in the area of turbulence, which is the usual state of fluid motion . A better knowledge of turbulent mixing will lead to more efficient combustion, savings in energy expenditure as well as a reduction in pollutant emissions.