Mach 10 Hydrogen fuelled scramjet development. Safe and economic access to space is a major technological challenge of the 21st century. Airbreathing engines, in particular, scramjets offer the potential to meet this challenge. The project aims to develop an understanding of the engineering and physical principals that determines the performance of a class of scramjet operating at hypervelocity speeds (>3km/s). Novel and innovative ideas will be explored which for the first time will provide ....Mach 10 Hydrogen fuelled scramjet development. Safe and economic access to space is a major technological challenge of the 21st century. Airbreathing engines, in particular, scramjets offer the potential to meet this challenge. The project aims to develop an understanding of the engineering and physical principals that determines the performance of a class of scramjet operating at hypervelocity speeds (>3km/s). Novel and innovative ideas will be explored which for the first time will provide the understandings necessary to make well founded predictions of the cost effectiveness of this approach, as well as provide the blue print to develop an engine which can operate at Mach 10.Read moreRead less
Radiating hypersonic flows. Benefits will accrue through the involvement of Australia in the international program for future space missions. Through this project, Australia, already among the leaders in scramjet propulsion development, can also become a major player in spacecraft design. Significant educational benefits will be created due to the challenging nature of the work, through immediate contact with leading overseas researchers, and through subsequent marketing of flight vehicles. The ....Radiating hypersonic flows. Benefits will accrue through the involvement of Australia in the international program for future space missions. Through this project, Australia, already among the leaders in scramjet propulsion development, can also become a major player in spacecraft design. Significant educational benefits will be created due to the challenging nature of the work, through immediate contact with leading overseas researchers, and through subsequent marketing of flight vehicles. The project could lead to the involvement of Australian technology at a commercial level in a new generation of hardware for space exploration.Read moreRead less
Hypervelocity re-entry. Addressing a critical area of space travel and its practical utilisation it will help expand a key technology niche which will facilitate our involvement in major programs of the future. In international space programs each participant provides a unique technical contribution and shares in the intellectual and economic returns. Educational benefits arise due to the challenging nature of the work, contact with overseas researchers, and through the marketing and developm ....Hypervelocity re-entry. Addressing a critical area of space travel and its practical utilisation it will help expand a key technology niche which will facilitate our involvement in major programs of the future. In international space programs each participant provides a unique technical contribution and shares in the intellectual and economic returns. Educational benefits arise due to the challenging nature of the work, contact with overseas researchers, and through the marketing and development of flight vehicles and associated technology. There will be opportunity for our graduates to be employed in senior positions overseas, and to subsequently return to Australia with advanced skills and facilitate Australian collaboration from positions of influence.Read moreRead less
Development of large scale expansion tubes. The aim of this proposal is to develop a high Mach number scramjet simulation capability by modifying the X3 superorbital expansion tube at UQ for high suborbital operation at very high total pressures. This will enable Australia to do true Mach number simulation at higher speeds than is possible anywhere else, and mantain an international advantage in the development of scramjet flight propulsion. It will also put Australian researchers in a strong p ....Development of large scale expansion tubes. The aim of this proposal is to develop a high Mach number scramjet simulation capability by modifying the X3 superorbital expansion tube at UQ for high suborbital operation at very high total pressures. This will enable Australia to do true Mach number simulation at higher speeds than is possible anywhere else, and mantain an international advantage in the development of scramjet flight propulsion. It will also put Australian researchers in a strong position to participate in the next generation of US ground testing facilities, foreshadowed by the recent NASA purchase of a large shock tunnel driver. It will enable Australia to maintain a position of leadership in the development of new space travel concepts.Read moreRead less
Minimizing hypersonic skin-friction by boundary-layer combustion. The high drag associated with hypersonic flight has been a major obstacle to development of hypersonic aircraft. It is generally accepted that half the drag of hypersonic vehicles will be caused by air friction on the aircraft's skin, due mainly to the turbulent boundary layer which forms on the skin. However, a new method of reducing skin friction, by injecting and burning fuel in the boundary layer, has been discovered. This ....Minimizing hypersonic skin-friction by boundary-layer combustion. The high drag associated with hypersonic flight has been a major obstacle to development of hypersonic aircraft. It is generally accepted that half the drag of hypersonic vehicles will be caused by air friction on the aircraft's skin, due mainly to the turbulent boundary layer which forms on the skin. However, a new method of reducing skin friction, by injecting and burning fuel in the boundary layer, has been discovered. This project is aimed at investigating the range of conditions under which this method will be effective. By this boundary-layer "lubrication" much more efficient hypersonic flight will be possible.Read moreRead less
Enhancing scramjet performance by boundary layer combustion. Australia has developed a strong international reputation over the past 20 years for excellence in research into hypersonic flight technologies. This helps to reinforce the fact that this is a country in which advanced technologies can be conceived and developed. Australian companies and agencies are already collaborating with and are being supported by international organizations to develop further hypersonic flight technologies. Achi ....Enhancing scramjet performance by boundary layer combustion. Australia has developed a strong international reputation over the past 20 years for excellence in research into hypersonic flight technologies. This helps to reinforce the fact that this is a country in which advanced technologies can be conceived and developed. Australian companies and agencies are already collaborating with and are being supported by international organizations to develop further hypersonic flight technologies. Achieving another significant advance in this area by demonstrating significant reductions in frictional drag on hypersonic vehicles will keep us at the forefront of this field and lead to continued international support and collaboration.Read moreRead less
Fluid-structural interactions in high-speed flows. This project aims to perform experiments to measure fluid-structure interaction in hypersonic flows. The work will improve the accuracy of simulation tools that are urgently required to aid industry in the design of more structurally efficient and robust high-speed vehicles. These tools will in turn be used to reveal the underlying physics of the fluid-structure interactions and establish the relative significance of the driving parameters. Accu ....Fluid-structural interactions in high-speed flows. This project aims to perform experiments to measure fluid-structure interaction in hypersonic flows. The work will improve the accuracy of simulation tools that are urgently required to aid industry in the design of more structurally efficient and robust high-speed vehicles. These tools will in turn be used to reveal the underlying physics of the fluid-structure interactions and establish the relative significance of the driving parameters. Accurate prediction of the behaviour and lifetime of structural components subject to these fluid-structural interactions, in which the deformation of the structure induced by the local flow field, can in turn influence this flow field. This coupling can result in damage or even catastrophic structural failure and thus robust design tools must be developed to avoid this.Read moreRead less
Onset Theory: Pushing the design envelope for textile composite structures. This study aims to exploit an innovative physics-based approach to predict the strength of textile composites. This is particularly important in areas such as aircraft design, where drastic weight savings are needed to allow designers to remain competitive in a low-carbon future. Improved theory and design tools will remove conservatism and account for a large part of these weight savings. The new approach is the first t ....Onset Theory: Pushing the design envelope for textile composite structures. This study aims to exploit an innovative physics-based approach to predict the strength of textile composites. This is particularly important in areas such as aircraft design, where drastic weight savings are needed to allow designers to remain competitive in a low-carbon future. Improved theory and design tools will remove conservatism and account for a large part of these weight savings. The new approach is the first to be consistent at all length scales — from atoms to aeroplanes — ensuring relevance for new and evolving composite material systems. A novel understanding of crack initiation in textile laminates is intended to reduce design and certification effort for new aircraft and help to design more efficient airframes at a lower cost.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
Radiation and Ablation in Rapidly Expanding Flows. The aim of the project is to record the spectra of radiation from a region of rapidly expanding flow representative of the passage of the shock layer on a re-entry capsule from the windward to the leeward surfaces. The significance of this work is that it addresses a critical area of spacecraft where the uncertainties of our design techniques are of the order of 300 per cent in terms of surface heat transfer, and current vehicles have to use lar ....Radiation and Ablation in Rapidly Expanding Flows. The aim of the project is to record the spectra of radiation from a region of rapidly expanding flow representative of the passage of the shock layer on a re-entry capsule from the windward to the leeward surfaces. The significance of this work is that it addresses a critical area of spacecraft where the uncertainties of our design techniques are of the order of 300 per cent in terms of surface heat transfer, and current vehicles have to use large safety factors to ensure survivability. The outputs from the project will be a data base of radiative parameters which should enable accurate models of the flow to be developed, which is expected to facilitate the design of advanced spacecraft with greater safety and reliability, and with lower structural mass.Read moreRead less