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Intriguing aerodynamics of bees, hoverflies and beyond. Nature observers have long been fascinated by the elegance, agility and endurance of flying insects, but still human-engineered vehicles fail to match their performance. This project aims to reveal the key physical aspects that allow two different insects to fly so well and thus unlock greater performance for flapping flight vehicles beyond insects.
Dispersion of spacecraft components during re-entry. Destructive re-entry trajectories for used satellites are designed so debris remaining after re-entry falls harmlessly to the Earth. However, the dramatic increase in the mass of orbiting objects has outpaced improvements in predicting hazardous impact zones. This project aims to develop the experimental and theoretical methods needed to study separation of objects in hypersonic flow in order to better predict the dispersion of debris from re- ....Dispersion of spacecraft components during re-entry. Destructive re-entry trajectories for used satellites are designed so debris remaining after re-entry falls harmlessly to the Earth. However, the dramatic increase in the mass of orbiting objects has outpaced improvements in predicting hazardous impact zones. This project aims to develop the experimental and theoretical methods needed to study separation of objects in hypersonic flow in order to better predict the dispersion of debris from re-entering space objects. New hypersonic wind tunnel experiments, modelling, and computational simulations will be performed to enhance our understanding and improve predictions of how spacecraft components are dispersed during re-entry.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE200101674
Funder
Australian Research Council
Funding Amount
$392,310.00
Summary
Novel Testing of a Supersonic Airbreathing Rotating Detonation Engine. Rotating detonation engines offer the potential for improved propulsive efficiency in high speed flight, but the challenges of integrating the advanced detonation combustion process with an airbreathing engine inlet are yet to be met. This project aims to develop a unique Australian testing capability for airbreathing rotating detonation engines and, utilising this capability, to generate unique experimental data to further t ....Novel Testing of a Supersonic Airbreathing Rotating Detonation Engine. Rotating detonation engines offer the potential for improved propulsive efficiency in high speed flight, but the challenges of integrating the advanced detonation combustion process with an airbreathing engine inlet are yet to be met. This project aims to develop a unique Australian testing capability for airbreathing rotating detonation engines and, utilising this capability, to generate unique experimental data to further the operational understanding of airbreathing rotation detonation engines. By contributing essential research to this new engine concept, Australia can forge intellectual capital and international partnerships, and help provide the benefits of cost and weight savings associated with higher performance engines.Read moreRead less
Remote diagnostics for space-access flight testing. Aerospace flight testing is essential for assessing the reliability of space-access technologies including re-usable rockets and hypersonic air-breathing systems. Development of such technologies relies on acquisition of optical data in video and scientific formats, and such capabilities are now required in Australia. By leveraging contributions to international missions, this project develops the essential optical diagnostic tools and techniqu ....Remote diagnostics for space-access flight testing. Aerospace flight testing is essential for assessing the reliability of space-access technologies including re-usable rockets and hypersonic air-breathing systems. Development of such technologies relies on acquisition of optical data in video and scientific formats, and such capabilities are now required in Australia. By leveraging contributions to international missions, this project develops the essential optical diagnostic tools and techniques and establishes an enduring capability for space-access flight testing in Australia, thereby accelerating the research and development pathways for Australian enterprises and designating Australia as a prime destination for international aerospace businesses. Read moreRead less
Micro-perforation for passive drag reduction. This project aims to reduce skin friction drag by developing a novel passive flow control method using micro-perforated surfaces. Advanced analytical and experimental modelling will be used to develop specific design solutions to improve efficiency in many real life applications, such as to reduce drag in the aerospace, maritime, gas pipelines and wind turbine industries. Expected outcomes include widely applicable knowledge and skills, improved mode ....Micro-perforation for passive drag reduction. This project aims to reduce skin friction drag by developing a novel passive flow control method using micro-perforated surfaces. Advanced analytical and experimental modelling will be used to develop specific design solutions to improve efficiency in many real life applications, such as to reduce drag in the aerospace, maritime, gas pipelines and wind turbine industries. Expected outcomes include widely applicable knowledge and skills, improved modelling and experimental techniques and tools, and enhanced collaborations. Benefits to Australia are expected to include significant improvements to the efficiency of the aerospace and energy industries, a boost to the Australian economy, and a reduction in carbon emissions. Read moreRead less
Impinging supersonic jets: stability and control - with application to cold spray. Understanding aero-acoustics instabilities of impinging supersonic jets is vital to improve the energy efficiency of cold spray manufacturing. This project will generate the necessary knowledge to understand and control these instabilities, in order to improve the cold spray process and to extend the range of application of impinging supersonic jets flows.
Understanding flapping aerodynamics in non-optimal environments. This project aims to produce a deeper understanding of factors affecting the aerodynamic forces and detailed flow dynamics of a flapping insect-like wing over a multi-dimensional parameter space with an initial focus on micro-air vehicles. The project will determine the effects of oncoming flow uniformities and environmental factors on flight performance, and how to correct for these factors to stabilise flight using feedback contr ....Understanding flapping aerodynamics in non-optimal environments. This project aims to produce a deeper understanding of factors affecting the aerodynamic forces and detailed flow dynamics of a flapping insect-like wing over a multi-dimensional parameter space with an initial focus on micro-air vehicles. The project will determine the effects of oncoming flow uniformities and environmental factors on flight performance, and how to correct for these factors to stabilise flight using feedback control. The project will use advanced computational and experimental modelling and analysis to provide specific design guidance and strategies for very-small and highly functional micro air vehicles for wide ranging applications in areas including transport, marine engineering and sport.Read moreRead less
Acoustic loads on hypersonic engines. This project aims to understand how acoustic loads are generated in supersonic combustion ramjets (scramjets) to control sonic fatigue in reusable hypersonic vehicles. This knowledge could make space access affordable. This project will measure acoustic waves in scramjets. The anticipated discoveries will enable reusable, hypersonic vehicles to be used for space launch systems and high-speed aircraft. These systems will dramatically reduce the cost of space ....Acoustic loads on hypersonic engines. This project aims to understand how acoustic loads are generated in supersonic combustion ramjets (scramjets) to control sonic fatigue in reusable hypersonic vehicles. This knowledge could make space access affordable. This project will measure acoustic waves in scramjets. The anticipated discoveries will enable reusable, hypersonic vehicles to be used for space launch systems and high-speed aircraft. These systems will dramatically reduce the cost of space launch and global travel times. Expected benefits include reduced cost for access to space and the ability to design and develop advanced aerospace technology.Read moreRead less
Elucidating the inertial force mechanisms of turbulence. The turbulent flow of fluids (for example, air, water) near a solid surface is of enormous technological importance. The proposed research will advance engineering prediction and control capabilities by revealing how the unsteady eddying motions produce the apparent inertial force that distinguishes turbulent flows from their laminar counterparts.
Harnessing the Power of Wind: Revolutionising Wind Farm Optimisation. This project aims to develop a rigorous, efficient and accurate framework for optimisation of control policies for complete wind farms. It expects to generate new knowledge in data-driven physics informed transient aerodynamic and structural modelling of entire wind farms, generation of low order yet sufficiently accurate models using machine learning, and game-theoretic and model predictive control techniques for operation of ....Harnessing the Power of Wind: Revolutionising Wind Farm Optimisation. This project aims to develop a rigorous, efficient and accurate framework for optimisation of control policies for complete wind farms. It expects to generate new knowledge in data-driven physics informed transient aerodynamic and structural modelling of entire wind farms, generation of low order yet sufficiently accurate models using machine learning, and game-theoretic and model predictive control techniques for operation of an entire wind farm. Expected outcomes are engineering tools to tackle wind farm inefficiencies totalling $700m/year in Australia alone, contributing to energy stability, security and lowered emissions aligned to the National Science and Research Priority ‘Energy’.Read moreRead less