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Testing, modelling and engineering applications of topologically interlocking structures. The CI and his international collaborator have recently proposed a new principle of design of materials and structures based on topological interlocking of constituent elements. Elements of simple shape, such as tetrahedra, are assembled in structures that keep their integrity without any binder or connectors. Unusual properties, such as high fracture toughness and damage tolerance were found. The project a ....Testing, modelling and engineering applications of topologically interlocking structures. The CI and his international collaborator have recently proposed a new principle of design of materials and structures based on topological interlocking of constituent elements. Elements of simple shape, such as tetrahedra, are assembled in structures that keep their integrity without any binder or connectors. Unusual properties, such as high fracture toughness and damage tolerance were found. The project aims at investigating the mechanical and acoustic properties of the newly discovered interlockable geometries (cubes, octahedra, dodecahedra and icosahedra) and identifying the areas of application. The project will promote the international leading role of the collaborating institutions in this novel field.Read moreRead less
An innovative wastewater treatment system for the removal of persisting organic pollutants (POPs). Photocatalysis is an emerging technology in wastewater treatment that is capable of completely converting POPs into harmless compounds. In this research, we will combine the expertise of Gwangju Institute of Science and Technology (GIST) in water reuse technologies, and Chonnam National University (CNU) in advanced oxidation processes with that of UTS' in physico-chemical treatment processes to dev ....An innovative wastewater treatment system for the removal of persisting organic pollutants (POPs). Photocatalysis is an emerging technology in wastewater treatment that is capable of completely converting POPs into harmless compounds. In this research, we will combine the expertise of Gwangju Institute of Science and Technology (GIST) in water reuse technologies, and Chonnam National University (CNU) in advanced oxidation processes with that of UTS' in physico-chemical treatment processes to develop a novel photocatalysis hybrid system. Through long term collaboration we aim to: (i) establish an innovative hybrid system for POPs removal, (ii) prepare industry grants, (iii) research training of postgraduate research students, and (iv) help to commercialize our research outcomes for domestic benefit and export.Read moreRead less
A better way to remove arsenic from drinking water. Arsenic is a serious pollutant of drinking water in parts of Australia and in Asia, We propose to developed an inovative technology to remove arsenic from water. Our international partnership combines the expertise of the University of Regina (UR), Canada in physico-chemical treatment processes with that of the UTS in membrane processes. Through a long term collaboration we aim to: (i) establish a full-scale innovative system for arsenic remova ....A better way to remove arsenic from drinking water. Arsenic is a serious pollutant of drinking water in parts of Australia and in Asia, We propose to developed an inovative technology to remove arsenic from water. Our international partnership combines the expertise of the University of Regina (UR), Canada in physico-chemical treatment processes with that of the UTS in membrane processes. Through a long term collaboration we aim to: (i) establish a full-scale innovative system for arsenic removal, (ii) prepare joint publications and apply for more industry grants, (iii) research training of postgraduate research student, and (iv) help to commercialize our research outcomes for domestic benefit and export.Read moreRead less
Development of a novel filtration hybrid system in wastewater treatment and reuse. Water industries in Australia and Japan are aiming at developing compact wastewater treatment and reuse systems. This project will form the basis for a long-term study on coupling a new static floccuator/filter system being developed at UTS and a hanging sponge cubes bioreactor being developed at NUT. A properly designed physico-chemical biological hybrid system will be cost-effective in removing a wide range of ....Development of a novel filtration hybrid system in wastewater treatment and reuse. Water industries in Australia and Japan are aiming at developing compact wastewater treatment and reuse systems. This project will form the basis for a long-term study on coupling a new static floccuator/filter system being developed at UTS and a hanging sponge cubes bioreactor being developed at NUT. A properly designed physico-chemical biological hybrid system will be cost-effective in removing a wide range of pollutants with little maintenance. This study will establish a rational hybrid system through detailed bench and pilot-scale experimentation. It will make the optimum use of the complementary expertise and facilities at NUT and UTS.Read moreRead less
Nanofiltration in Wastewater treatment for Reuse: Effect of Pretreatment for Long-term Application. Low pressure nanofiltration (NF) is a relatively new technology. The main problem of membrane fouling on NF could successfully be avoided by pretreatment. In this study, novel high rate pretreatment methods employing flocculation and biosorption concepts will be investigated to prolong membrane life time. A compact wastewater treatment technology established through this research will be useful in ....Nanofiltration in Wastewater treatment for Reuse: Effect of Pretreatment for Long-term Application. Low pressure nanofiltration (NF) is a relatively new technology. The main problem of membrane fouling on NF could successfully be avoided by pretreatment. In this study, novel high rate pretreatment methods employing flocculation and biosorption concepts will be investigated to prolong membrane life time. A compact wastewater treatment technology established through this research will be useful in small and isolated communities. This study will be conducted in collaboration with Prof. Yamamoto of University of Tokyo (UTokyo), Japan and Prof. Kim of Kwangju Institute of Science and Technology (KJIST), Korea, who are international experts on nanofiltration and water reuse technologies respectively.Read moreRead less
Inkjet printing of nanoparticulate materials. The aim of this project is to develop inkjet printing technology to facilitate the freeform fabrication of nanomaterials. The application of nanomaterials will lead to breakthroughs in information technology, health, the environment and energy generation and storage. This project will develop the methods required to inkjet print nanomaterials into multilayered components. This is a multifunctional rapid prototyping technology that synthesises compone ....Inkjet printing of nanoparticulate materials. The aim of this project is to develop inkjet printing technology to facilitate the freeform fabrication of nanomaterials. The application of nanomaterials will lead to breakthroughs in information technology, health, the environment and energy generation and storage. This project will develop the methods required to inkjet print nanomaterials into multilayered components. This is a multifunctional rapid prototyping technology that synthesises components directly from computer solid models and radically compresses the time from concept to delivery. The outcome of this project will be a fabrication facility which will enable us to make and test nanoscale materials and components made from them.Read moreRead less
Effect of Chemo-Mechanical Grinding on Surface Integrity of Single Crystal Silicon Substrates. Silicon substrates or wafers are extensively used in electronic and optic/photonic industries. A long-time standing problem in silicon wafer machining is the surface and subsurface damage induced by machining. This may significantly affect the mechanical, optical and electronic characteristics of wafer-based components. The issue becomes increasingly more critical as the application of silicon wafers i ....Effect of Chemo-Mechanical Grinding on Surface Integrity of Single Crystal Silicon Substrates. Silicon substrates or wafers are extensively used in electronic and optic/photonic industries. A long-time standing problem in silicon wafer machining is the surface and subsurface damage induced by machining. This may significantly affect the mechanical, optical and electronic characteristics of wafer-based components. The issue becomes increasingly more critical as the application of silicon wafers is extending further as structural components. The research outcomes will contribute an improved understanding of Chemo Mechanical Grinding process and help to develop innovative technologies for silicon industries.Read moreRead less
Risk assessment modelling for corrosion affected concrete infrastructure. Aging and deterioration of physical infrastructure is a global problem that has caused widespread premature structural failures and significantly reduced its designed service life. This is an increasing problem also for Australia. For reinforced concrete infrastructure, the corrosion of the reinforcing steel within the surrounding concrete is the most significant factor. The aim of the project is to improve understanding o ....Risk assessment modelling for corrosion affected concrete infrastructure. Aging and deterioration of physical infrastructure is a global problem that has caused widespread premature structural failures and significantly reduced its designed service life. This is an increasing problem also for Australia. For reinforced concrete infrastructure, the corrosion of the reinforcing steel within the surrounding concrete is the most significant factor. The aim of the project is to improve understanding of the factors that influence corrosion mechanics in marine environments, to re-examine corrosion process in practical concrete structures and to develop a model for corrosion to enable prediction of structural deterioration and improved risk assessment.Read moreRead less
Influence of Spatial Variability on the Design and Performance of Pile Foundations. Currently, no model is available that incorporates the spatial variability of soil properties into the design and analysis of pile foundations. Furthermore, only basic rules-of-thumb are available to assist in determining the scope of appropriate site investigations for piles, and limited data are available for the LRFD of piles. The new and unique finite element model, site investigation guidelines and load re ....Influence of Spatial Variability on the Design and Performance of Pile Foundations. Currently, no model is available that incorporates the spatial variability of soil properties into the design and analysis of pile foundations. Furthermore, only basic rules-of-thumb are available to assist in determining the scope of appropriate site investigations for piles, and limited data are available for the LRFD of piles. The new and unique finite element model, site investigation guidelines and load resistance factors will reduce the over-design and uncertainty associated with pile design, which will lead to more reliable pile foundations and reduced construction cost overruns and delays. Conservatively, it is estimated that this research will result in savings in excess of $10 million per year, in Australia alone.Read moreRead less
Development of nano-structured thermoelectric materials for power generation from heat. To make thermoelectric technology attractive for practical power generation purposes, new high efficiency materials have to be developed. Our fabricated nanostructured thermoelectric materials will have improved performance due to the peculiarities in electrical and thermal transport. The novel thermoelectric materials and constructed prototype devices with high thermoelectric performance will be practically ....Development of nano-structured thermoelectric materials for power generation from heat. To make thermoelectric technology attractive for practical power generation purposes, new high efficiency materials have to be developed. Our fabricated nanostructured thermoelectric materials will have improved performance due to the peculiarities in electrical and thermal transport. The novel thermoelectric materials and constructed prototype devices with high thermoelectric performance will be practically used for various power generation purposes. This offers a long-term solution to the global warming threat through decreasing amounts of waste heat presently generated. It will also strengthen Australia's position in world-wide research on thermoelectricity.Read moreRead less