Analysis, simulation, fabrication and characterization of reliable, robust and scalable compact cooling elements based on semiconductor nanostructures. Modern electronic, microelectronic and optoelectronic devices generally work better when they are cooler. We aim to develop a semiconductor nanostructure cooling element which directly integrates into existing devices. The solid-state cooling element will be reliable, robust, scalable and operate in any orientation. The basis of operation is ....Analysis, simulation, fabrication and characterization of reliable, robust and scalable compact cooling elements based on semiconductor nanostructures. Modern electronic, microelectronic and optoelectronic devices generally work better when they are cooler. We aim to develop a semiconductor nanostructure cooling element which directly integrates into existing devices. The solid-state cooling element will be reliable, robust, scalable and operate in any orientation. The basis of operation is thermionic emission - electrons are the working fluid. Our project combines (1) analysis and simulation, (2) fabrication of nanostructures and (3) experimental test-benching using optical and electrical methods. The outcome of this research has the potential to revolutionize cooling of modern electronic and photonic systems, from computer motherboards to mobile phones.Read moreRead less
Heat transfer processes in evacuated tubular solar absorbers. The aim of this project is to improve the understanding of the complex heat transfer processes in evacuated tubular solar water heaters. This project will develop thermal and hydrodynamic models for advanced solar water heaters incorporating evacuated tubular absorbers and will assess the accuracy of the models through a series of outdoor experiments on prototype evacuated tubular solar water heaters. The outcomes will lead to the d ....Heat transfer processes in evacuated tubular solar absorbers. The aim of this project is to improve the understanding of the complex heat transfer processes in evacuated tubular solar water heaters. This project will develop thermal and hydrodynamic models for advanced solar water heaters incorporating evacuated tubular absorbers and will assess the accuracy of the models through a series of outdoor experiments on prototype evacuated tubular solar water heaters. The outcomes will lead to the design and manufacturing of more efficient solar collectors, which can greatly benefit both Australian domestic and export markets.Read moreRead less
Free Surface Instability and Gas Entrainment during Blast Furnace Drainage. Iron and Steelmaking operations have underpinned Australia's industry base for many years. To remain competitive in a global market BHP has undertaken considerable research and development to constantly improve process performance. An area of on-going concern is the unexpected release of gas during Blast Furnace drainage resulting in hazardous conditions for the operators and overall loss of production. This project aims ....Free Surface Instability and Gas Entrainment during Blast Furnace Drainage. Iron and Steelmaking operations have underpinned Australia's industry base for many years. To remain competitive in a global market BHP has undertaken considerable research and development to constantly improve process performance. An area of on-going concern is the unexpected release of gas during Blast Furnace drainage resulting in hazardous conditions for the operators and overall loss of production. This project aims to identify the causes of gas release and to devise operational strategies and design modifications to prevent this occurrence. Once implemented the outcomes of the research will be a more stable operation leading to increased production and less environmental emissions.Read moreRead less
Transport by Natural Convection in Reservoir Sidearms. This project is a first step in developing models of the distribution of water quality parameters in reservoirs by a range of small scale dynamical processes not included in commercial water quality models. Specifically, the project will investigate the transport of suspended materials from the shore to the deeper parts resulting from the interaction of the meteorological forcing and the topography. This will contribute to the development of ....Transport by Natural Convection in Reservoir Sidearms. This project is a first step in developing models of the distribution of water quality parameters in reservoirs by a range of small scale dynamical processes not included in commercial water quality models. Specifically, the project will investigate the transport of suspended materials from the shore to the deeper parts resulting from the interaction of the meteorological forcing and the topography. This will contribute to the development of improved water quality models, and therefore to better management of water quality of Australia's water resources.Read moreRead less
Enhancing natural convection heat transfer using a single horizontal non-metallic fin. This project will develop the basis for a simple design to improve the energy efficiency of natural convection heat exchangers. Heat exchangers are widely adopted in many electronic devices and industrial processes as they require no external power input, additional space, and are quiet, reliable and economical. The research will exploit the interaction between two flows to trigger turbulence, and will result ....Enhancing natural convection heat transfer using a single horizontal non-metallic fin. This project will develop the basis for a simple design to improve the energy efficiency of natural convection heat exchangers. Heat exchangers are widely adopted in many electronic devices and industrial processes as they require no external power input, additional space, and are quiet, reliable and economical. The research will exploit the interaction between two flows to trigger turbulence, and will result in an increase of the overall capacity and performance of engineering systems. This will contribute significantly to reductions in power consumption and improvements in productivity and work environment, leading ultimately to reductions in greenhouse gas emissions and to economic benefits.Read moreRead less
The Fundamentals of Liquid Flow Through A Reactive Packed Bed. A new and improved understanding of reactions that occur between liquids and coke in the lower zone of the blast furnace will enable ironmaking process optimization, and result in a significant reduction in carbon usage. This will decrease the amount of greenhouse gas emissions. The results will benefit metal refiners and associated support industries that utilize coal or coke in their process. Process optimization also helps to ensu ....The Fundamentals of Liquid Flow Through A Reactive Packed Bed. A new and improved understanding of reactions that occur between liquids and coke in the lower zone of the blast furnace will enable ironmaking process optimization, and result in a significant reduction in carbon usage. This will decrease the amount of greenhouse gas emissions. The results will benefit metal refiners and associated support industries that utilize coal or coke in their process. Process optimization also helps to ensure that Australia's vitally important steel industry remains internationally competitive, able to provide both quality steel for domestic and export markets and employment for thousands of Australians.Read moreRead less
OPTIMISATION OF COMPACT BOILING HEAT EXCHANGERS USING ARTIFICIAL NEURAL NETWORK. Compact heat exchangers are increasingly considered for duties in many industrial applications, involving phase change processes of boiling and condensation. In many cases such applications are completely new and no previous experience or information is available for constructive design of compact heat exchangers. This project aims to develop a commercially-viable design methodology that will be innovative and novel ....OPTIMISATION OF COMPACT BOILING HEAT EXCHANGERS USING ARTIFICIAL NEURAL NETWORK. Compact heat exchangers are increasingly considered for duties in many industrial applications, involving phase change processes of boiling and condensation. In many cases such applications are completely new and no previous experience or information is available for constructive design of compact heat exchangers. This project aims to develop a commercially-viable design methodology that will be innovative and novel with in mind of robust and speedy computations of key design parameters of compact boiling heat exchangers through the artificial neural networks (ANN) model and maintaining the inherent accuracy associated with the solutions of the boiling flow and heat transfer processes from computational fluid dynamics (CFD) and validated using experimental data. It will provide a cutting edge to the Industry Partner to compete successfully on the local and global market fronts in designing and manufacturing compact boiling heat exchangers.Read moreRead less
Novel methods for enhancing room temperature figure of merit of thermoelectric/thermionic materials for refrigeration applications. With global warming and an increased awareness of climate change, devices such as thermoelectric modules can be part of the solution, particularly if their relative power and efficiency can be increased. The aim of this project is to bring together theoreticians, experimentalists, materials scientists, and industrial partners with complementary expertise to develop ....Novel methods for enhancing room temperature figure of merit of thermoelectric/thermionic materials for refrigeration applications. With global warming and an increased awareness of climate change, devices such as thermoelectric modules can be part of the solution, particularly if their relative power and efficiency can be increased. The aim of this project is to bring together theoreticians, experimentalists, materials scientists, and industrial partners with complementary expertise to develop new techniques and methods for fabricating novel thermoelectric/thermionic materials with high figure of merit, ZT, for solid state refrigeration applications. The success of the project will lead to a 3 to 5 fold increase in the market share of thermoelectric cooler and will have a significant impact on the Australian economy and reduce greenhouse emissions and global warming. Read moreRead less
Research into techniques for enhancing the heat transfer performance of finned-tube heat exchangers. This project explores several methods for enhancing the heat transfer performance of mechanically bonded finned tube heat exchangers. The methods would be analysed experimentally, and using finite elements, numerically. Any increase in heat transfer efficiency would contribute to the conservation of energy, and therefore, of natural resources. An improved design of heat exchangers would give a de ....Research into techniques for enhancing the heat transfer performance of finned-tube heat exchangers. This project explores several methods for enhancing the heat transfer performance of mechanically bonded finned tube heat exchangers. The methods would be analysed experimentally, and using finite elements, numerically. Any increase in heat transfer efficiency would contribute to the conservation of energy, and therefore, of natural resources. An improved design of heat exchangers would give a definite competitive edge to the Australian manufacturer. An equally significant outcome would be the training of a research person in industry-related research and skilled both in experimental and numerical procedures.Read moreRead less
A Fundamental Study on Redox Behaviour of Oxygen Carriers in Chemical Looping Combustion. Our goal here is to acquire fundamental knowledge about the redox behaviour of metal oxide oxygen carriers which, arguably, underpins the feasibility of the Chemical Looping Combustion (CLC) concept. Although the proposed work is fundamental and will contribute to the advancement of knowledge, the results will have immediate practical applications in power generation industry at both national and internatio ....A Fundamental Study on Redox Behaviour of Oxygen Carriers in Chemical Looping Combustion. Our goal here is to acquire fundamental knowledge about the redox behaviour of metal oxide oxygen carriers which, arguably, underpins the feasibility of the Chemical Looping Combustion (CLC) concept. Although the proposed work is fundamental and will contribute to the advancement of knowledge, the results will have immediate practical applications in power generation industry at both national and international levels. This should significantly contribute to the Australian Government's efforts in producing world class solutions for abatement of greenhouse emissions (Research Priority 1: An Environmentally Sustainable Australia, Priority Goal 1.4 - Reducing and capturing emissions in transport and energy generation).Read moreRead less