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Full-Text Articles in Entire DC Network
Evaluation And Improvement Of Energy Flexibility And Performance Of Building Heating, Ventilation, And Air-Conditioning Systems, Muhammad Bilal Awan
Evaluation And Improvement Of Energy Flexibility And Performance Of Building Heating, Ventilation, And Air-Conditioning Systems, Muhammad Bilal Awan
University of Wollongong Thesis Collection 2017+
The foreseen reduction of available fossil fuels, the continued increase in global energy demand, and the irrefutable evidence of climate change, along with the implementation of a global commitment to achieve a net-zero emissions target, have greatly sharpened commercial interest in using renewable energy resources (RER). However, the high penetration of RER-based stochastic power generation systems has resulted in a significant requirement for increased flexibility on the demand side that can allow buildings to adapt to increasingly dynamic energy supply conditions to support power grid operation and optimization. Failure to adapt may carry serious electrical blackouts and can compromise the …
Do Socially Responsible Indices Outperform The Market During Black Swan Events: Evidence From Indian Markets During Global Financial And Covid-19 Crises, Pranay Deshmukh, Dipasha Sharma, Pankaj Sharma
Do Socially Responsible Indices Outperform The Market During Black Swan Events: Evidence From Indian Markets During Global Financial And Covid-19 Crises, Pranay Deshmukh, Dipasha Sharma, Pankaj Sharma
Australasian Accounting, Business and Finance Journal
This paper aims to examine and compare the effect of black swan events on the performance of companies with strong Environmental, Social, and (Corporate) Governance (ESG) backgrounds with that of other companies. Compared to established firms, companies with ESG backgrounds are perceived to be stable that will help them outperform established companies that are volatile during times of crisis. This research focuses on SENSEX for conventional market index and BSE GREEENEX and S&P BSE CARBONEX for ESG indices. We evaluated performances of the three indices during U.S. Debt Ceiling Crisis (2011-12), Black Monday China, BREXIT and Demonetization (2015-16), and COVID-19 …
Connect, Converse, Collaborate: Encountering Belonging And Forging Resilience Through Creative Practice, Sarah Kate Crews, Jodie Allinson
Connect, Converse, Collaborate: Encountering Belonging And Forging Resilience Through Creative Practice, Sarah Kate Crews, Jodie Allinson
Journal of University Teaching & Learning Practice
This paper is a dialogue between two colleagues who teach drama and performance in Higher Education. Our work here has developed across a series of formal, semi-structured and informal discussions about our experiences of teaching and supporting students within the Drama and Performance department at University of South Wales. Instantly we connected on our commitment to prioritising student needs and our intentions to co-construct reflexive learning spaces. Within the disciplines of drama and performance, we (Allinson and Crews) see practice, collaboration and dialogue as equally important and core to all learning environments and encounters. Because of this we continually question …
The Impact Of Virtual Tools On Efl Learners’ Performance In Grammar At The Times Of Covid 19 Pandemic, Rasha Mohammed Elbashir, Sabah Mohammad Abbas Hamza
The Impact Of Virtual Tools On Efl Learners’ Performance In Grammar At The Times Of Covid 19 Pandemic, Rasha Mohammed Elbashir, Sabah Mohammad Abbas Hamza
Journal of University Teaching & Learning Practice
The main objective of this study is to investigate the impact of virtual tools on EFL learners’ performance in grammar courses during the COVID-19 pandemic. This experimental study compared a group of students who took a grammar course remotely via the Blackboard platform during the COVID-19 pandemic to a control group who took the same course in person prior to the pandemic. Each group of participants (n = 30) was given the same test. The grades of the two groups were then analysed using the SPSS programme. The results demonstrate that the experimental group test grades were higher than those …
Music Performance Anxiety And Higher Education Teaching: A Systematic Literature Review, Erik Blair, Hendrik Van Der Sluis
Music Performance Anxiety And Higher Education Teaching: A Systematic Literature Review, Erik Blair, Hendrik Van Der Sluis
Journal of University Teaching & Learning Practice
This systematic review includes a search of the literature covering the period 2005-2021 to understand what preventative teaching approaches and interventions have been developed in higher education to reduce music performance anxiety (MPA). The focus here is on identifying interventions that are applicable to higher education teaching practice, in an attempt to support music educators to reduce the negative effects of MPA, and, by so doing, support better learning outcomes. A systematic review of the literature on MPA (2005-2021) was undertaken to explore the teaching strategies that are used to help students in higher education. The researchers performed independent assessments …
What Is Clutch Performance? An Examination Of Definitional And Conceptual Issues, Matthew J. Schweickle
What Is Clutch Performance? An Examination Of Definitional And Conceptual Issues, Matthew J. Schweickle
University of Wollongong Thesis Collection 2017+
Clutch performance refers to successful or improved performance under pressure. Despite a long history of colloquial use and a growing research interest, there remains conflicting definitions and conceptualisations of this construct. Such conceptual divergence has appeared to limit progress towards the development of measurement, theory, and applied interventions for clutch performance. As such, the overarching aim of this thesis was to examine the conceptual foundations of clutch performance, with a specific focus on how current definitions and conceptualisations reflect athletes’ perceptions of performing well under pressure.
Animals In Drama And Theatrical Performance: Anthropocentric Emotionalism, Peta Tait
Animals In Drama And Theatrical Performance: Anthropocentric Emotionalism, Peta Tait
Animal Studies Journal
This article outlines how nonhuman animals are framed by the emotions of drama, theatre and contemporary performance and considers a distinctive tradition in western culture of enacting animal characters who function as surrogate humans. It argues that, contradictorily, while animal characters confirm anthropocentric emotionalism, drama also contains pro-animal values and concern for animal welfare. Animals embodying emotions in theatrical languages are part of the way animals are used in the traditions of western culture and to think and philosophize with, but they also indicate thinking about the emotions in theatrical performance. The article considers if, however, staging living animals can …
Novel Water-Based Nanolubricant With Superior Tribological Performance In Hot Steel Rolling, Hui Wu, Fanghui Jia, Zhou Li, Fei Lin, Mingshuai Huo, Shuiquan Huang, Sepidar Sayyar, Sihai Jiao, Han Huang, Zhengyi Jiang
Novel Water-Based Nanolubricant With Superior Tribological Performance In Hot Steel Rolling, Hui Wu, Fanghui Jia, Zhou Li, Fei Lin, Mingshuai Huo, Shuiquan Huang, Sepidar Sayyar, Sihai Jiao, Han Huang, Zhengyi Jiang
Faculty of Engineering and Information Sciences - Papers: Part B
No abstract provided.
The Influence Of Dietary Carotenoids On The Performance Of Captive Southern Corroboree Frogs (Pseudophryne Corroboree): Implications For Conservation, Emma Mcinerney
University of Wollongong Thesis Collection 2017+
Conservation breeding programs (CBPs) are considered essential for the recovery of threatened species. However, due in part to poor nutritional conditions experienced by individuals in captivity, CBPs often report poor success. In response, there has been a push to investigate how supplementation of captive diets with micronutrients may improve the success of CBPs. Dietary carotenoids in particular, are one group of micronutrients expected to improve the viability of captive individuals. This is largely owing to their antioxidant capacity, which allows them to limit the harmful effects of reactive oxygen species (ROS). However, the effectiveness of dietary carotenoids in improving fitness-determining …
A Case Study Of Wifi Sniffing Performance Evaluation, Yan Li, Johan Barthelemy, Shuai Sun, Pascal Perez, Bill Moran
A Case Study Of Wifi Sniffing Performance Evaluation, Yan Li, Johan Barthelemy, Shuai Sun, Pascal Perez, Bill Moran
SMART Infrastructure Facility - Papers
Mobile devices regularly broadcast WiFi probe requests in order to discover available proximal WiFi access points for connection. A probe request, sent automatically in the active scanning mode, consisting of the MAC address of the device expresses an advertisement of its presence. A real-time wireless sniffing system is able to sense WiFi packets and analyse wireless traffic. This provides an opportunity to obtain insights into the interaction between the humans carrying the mobile devices and the environment. Susceptibility to loss of the wireless data transmission is an important limitation on this idea, and this is complicated by the lack of …
A New Modulation Technique To Improve The Power Loss Division Performance Of The Multilevel Inverters, Md Razon Chowdhury, Md. Ashib Rahman, Md Rabiul Islam, A M. Mahfuz-Ur-Rahman
A New Modulation Technique To Improve The Power Loss Division Performance Of The Multilevel Inverters, Md Razon Chowdhury, Md. Ashib Rahman, Md Rabiul Islam, A M. Mahfuz-Ur-Rahman
Faculty of Engineering and Information Sciences - Papers: Part B
Multilevel inverters (MLIs) have offered significant contributions towards the implementation of energy conversion units used in industry and renewable energy applications. However, the switching devices in MLIs are associated with power loss division problems. The pulse width modulation (PWM) techniques greatly influence the peak, average, and ripple values of the device junction temperature. Thermal tension in the devices may be raised due to increased power loss caused by additional switching or uneven distribution of losses due to unbalanced gate pulses. Higher thermal stress accelerates the life degradation process of the power devices and eventually, leads to permanent damage of the …
An Iot- Based Decision Support Tool For Improving The Performance Of Smart Grids Connected With Distributed Energy Sources And Electric Vehicles, Md Rabiul Islam, Haiyan Lu, M J. Hossain, Li Li
An Iot- Based Decision Support Tool For Improving The Performance Of Smart Grids Connected With Distributed Energy Sources And Electric Vehicles, Md Rabiul Islam, Haiyan Lu, M J. Hossain, Li Li
Faculty of Engineering and Information Sciences - Papers: Part B
vThe growing penetration of distributed energy sources (DES), such as photovoltaic (PV) solar power, battery energy systems and electric vehicles (EVs) into low voltage distribution networks is creating serious challenges for distribution network operators. Uncertain nature of these DES and EV charging is a key factor to cause unbalance, which degrade network performance in terms of energy loss, voltage unbalance, and voltage profile of the distribution network, etc. Some methods were proposed to mitigate such negative impact of these uncertain DES and EV charging from both centralized and decentralized approaches by controlling charging or discharging power of EVs. However, these …
Using Cost-Sensitive Learning And Feature Selection Algorithms To Improve The Performance Of Imbalanced Classification, Fang Feng, Kuan-Ching Li, Jun Shen, Qingguo Zhou, Xuhui Yang
Using Cost-Sensitive Learning And Feature Selection Algorithms To Improve The Performance Of Imbalanced Classification, Fang Feng, Kuan-Ching Li, Jun Shen, Qingguo Zhou, Xuhui Yang
Faculty of Engineering and Information Sciences - Papers: Part A
Imbalanced data problem is widely present in network intrusion detection, spam filtering, biomedical engineering, finance, science, being a challenge in many real-life data-intensive applications. Classifier bias occurs when traditional classification algorithms are used to deal with imbalanced data. As already known, the General Vector Machine (GVM) algorithm has good generalization ability, though it does not work well for the imbalanced classification. Additionally, the state-of-the-art Binary Ant Lion Optimizer (BALO) algorithm has high exploitability and fast convergence rate. Based on these facts, we have proposed in this paper a Cost-sensitive Feature selection General Vector Machine (CFGVM) algorithm based on GVM and …
Performance Of Ballast Influenced By Deformation And Degradation: Laboratory Testing And Numerical Modeling, Buddhima Indraratna, Ngoc Trung Ngo, Cholachat Rujikiatkamjorn
Performance Of Ballast Influenced By Deformation And Degradation: Laboratory Testing And Numerical Modeling, Buddhima Indraratna, Ngoc Trung Ngo, Cholachat Rujikiatkamjorn
Faculty of Engineering and Information Sciences - Papers: Part B
This paper presents a study on the deformation and degradation responses of railway ballast using large-scale laboratory testing and computational modeling approaches. A series of large-scale triaxial tests were carried out to investigate the ballast breakage responses under cyclic train loading subjected to varying frequencies, f=10-40 Hz. The role of recycled rubber energy-absorbing mats (REAMs) on reducing ballast breakage was also examined. Laboratory test results show that the ballast experiences significant degradation (breakage) and deformation, while the inclusion of REAMs can reduce the ballast breakage up to about 35%. Numerical modeling using the coupled discrete-continuum approach [coupled discrete-element method-finite-difference method …
Diagnostic Performance Of Delirium Assessment Tools In Critically Ill Patients: A Systematic Review And Meta‐Analysis, Mu-Hsing Ho, Amy E. Montgomery, Victoria Traynor, Chia-Chi Chang, Ken N. Kuo, H.C. Chang, Kee-Hsin Chen
Diagnostic Performance Of Delirium Assessment Tools In Critically Ill Patients: A Systematic Review And Meta‐Analysis, Mu-Hsing Ho, Amy E. Montgomery, Victoria Traynor, Chia-Chi Chang, Ken N. Kuo, H.C. Chang, Kee-Hsin Chen
Faculty of Science, Medicine and Health - Papers: Part B
Background Critical care nurses are in the best position to detect and monitor delirium in critically ill patients. Therefore, an optimum delirium assessment tool with strong evidence should be identified with critical care nurses to perform in the daily assessment. Aim To evaluate and compare the diagnostic performance of delirium assessment tools in diagnosing delirium in critically ill patients. Methods We searched five electronic databases including the Cochrane Library, PubMed, Embase, CINAHL, and a Chinese database for eligible diagnostic studies published in English or Mandarin up to December 2018. This diagnostic test accuracy meta‐analysis was limited to studies in intensive …
Amorous Anthropomorphism, Marine Conservation And The Wonder Of Wildlife Film In Isabella Rossellini’S Green Porno, Sarah Wade
Animal Studies Journal
Green Porno is a series of short films in which Isabella Rossellini explores the reproductive lives of creatures whose physiology and habitats are vastly different from humans. In series three, Rossellini comically performs sea creature sex and draws attention to the threats they face from human activities like overfishing. Through Green Porno, Rossellini claimed that she wanted to evoke a sense of wonder to compel viewers to protect wildlife. Recognizing wonder’s widely acknowledged ethical and compassion-inducing potential as well as its prevalence in wildlife film and television shows, this article discusses Green Porno in relation to the awe-inspiring ‘pornographic’ …
Improved Performance Of Ballasted Tracks Under Impact Loading By Recycled Rubber Mats, Ngoc Trung Ngo, Buddhima Indraratna, Cholachat Rujikiatkamjorn
Improved Performance Of Ballasted Tracks Under Impact Loading By Recycled Rubber Mats, Ngoc Trung Ngo, Buddhima Indraratna, Cholachat Rujikiatkamjorn
Faculty of Engineering and Information Sciences - Papers: Part B
Ballasted tracks at transition locations such as approaches to bridges and road crossings experience increasing degradation and deformation due to dynamic and high impact forces, a key factor that decreases the stability and longevity of railroads. One solution to minimise ballast degradation at the transition zones is using rubber energy absorbing drainage sheets (READS) manufactured from recycled tyres. When placed beneath the ballast layer, READS distributes the load over wider area and attenuate of the load over a longer duration thus decreasing maximum stress, apart from reducing the energy transferred to the ballast and other substructure components. Subsequently, the track …
Frequency Domain Characterization And Performance Bounds Of Alms Loop For Rf Self-Interference Cancellation, Anh Tuyen Le, Le Chung Tran, Xiaojing Huang, Y J. Guo, J (Yiannis) Vardaxoglou
Frequency Domain Characterization And Performance Bounds Of Alms Loop For Rf Self-Interference Cancellation, Anh Tuyen Le, Le Chung Tran, Xiaojing Huang, Y J. Guo, J (Yiannis) Vardaxoglou
Faculty of Engineering and Information Sciences - Papers: Part B
Analog Least Mean Square (ALMS) loop is a promising method to cancel self-interference (SI) in in-band fullduplex (IBFD) systems. In this paper, the steady state analyses of the residual SI powers in both analog and digital domains are firstly derived. Eigenvalue decomposition is then utilized to investigate the frequency domain characteristics of the ALMS loop. Our frequency domain analyses prove that the ALMS loop has an effect of amplifying the frequency components of the residual SI at the edges of the signal spectrum in the analog domain. However, the matched filter in the receiver chain will reduce this effect, resulting …
Space On Par: A Short Performance For One Performer, Peta Tait
Space On Par: A Short Performance For One Performer, Peta Tait
Animal Studies Journal
Space on Par is a short performance text that uses gentle humour to communicate an alternative perspective on how open space is used by humans and nonhuman animals, in this instance a golf course. If playing golf for enjoyment is puzzling behaviour for a nonhuman observer, it can emphasise human refusal to recognise the physical and spatial rights of other species and their needs for survival. The effort to educate about the treatment of animals can include theatrical characters who blur the species identities to make a point, and Space on Par inverts the invisibility of the gaze of the …
Dual Effects Of Tisio4composite Nanoparticles On Dispersionstability And Lubrication Performance Of Vegetable Oil‐In‐Water Emulsions, Reza Taheri, Buyung Kosasih, Hongtao Zhu, Anh Kiet Tieu
Dual Effects Of Tisio4composite Nanoparticles On Dispersionstability And Lubrication Performance Of Vegetable Oil‐In‐Water Emulsions, Reza Taheri, Buyung Kosasih, Hongtao Zhu, Anh Kiet Tieu
Faculty of Engineering and Information Sciences - Papers: Part B
Vegetable oil-in-water emulsions are potential metal-working lubricants. These emulsions are susceptible to oil-water phase separation due to the oil droplets' coalescence. In this study, we enhance the dispersion stability and lubricity of such emulsions with TiSiO4 nanoparticles (NPs). With 1 vol% soybean oil, stable emulsions are obtained with 0.25 to 0.75 wt% NPs, attributed to formation of shielding layers of NPs around the droplets. Lowest friction and wear are obtained without and with 0.25 wt% NPs, respectively. With increasing the NPs' mass fraction, NP-shielded droplets become less attracted to metal surfaces. Association of NPs within boundary film is also found …
Study On Performance Evaluation Of Co2 Heat Pump System Integrated With Thermal Energy Storage For Space Heating, Zhihua Wang, Yuxin Zheng, Fenghao Wang, Mengjie Song, Zhenjun Ma
Study On Performance Evaluation Of Co2 Heat Pump System Integrated With Thermal Energy Storage For Space Heating, Zhihua Wang, Yuxin Zheng, Fenghao Wang, Mengjie Song, Zhenjun Ma
Faculty of Engineering and Information Sciences - Papers: Part B
CO2 heat pumps have drawn a great deal of attention owing to their advantages of high efficiency and environmental friendly for heating water under low ambient temperature. However, the system performance is not desirable and shows a lower COP for space heating, especially for a radiator as heating terminal, due to the higher inlet water temperature at the gas cooler, which causes a large throttle loss when the refrigerant flow through the throttling device. To tackle this issue, a transcritical CO2 heat pump system integrated with thermal energy storage (TES) systems was developed in this paper. The heating performance of …
Probing Fretting Performance Of Dlc And Mos2 Films Under Fluid Lubrication, Wenhua Zhuang, Hao Li, Wen Li, Xiaoqiang Fan, Jifan He, Zhenbing Cai, Wang Fu, Guangan Zhang, Shanhong Wan, Minhao Zhu
Probing Fretting Performance Of Dlc And Mos2 Films Under Fluid Lubrication, Wenhua Zhuang, Hao Li, Wen Li, Xiaoqiang Fan, Jifan He, Zhenbing Cai, Wang Fu, Guangan Zhang, Shanhong Wan, Minhao Zhu
Faculty of Engineering and Information Sciences - Papers: Part B
Transition from onefold to synergistic lubrication for solving fretting wear and fatigue problems is of great practical significance, because fluids can regulate fretting regime for minimizing wear, solid films can restrain nucleation and formation of crack. Here synergistic lubrication coatings were prepared using diamond-like carbon (DLC) and molybdenum disulfide (MoS2) films as anti-wear/fatigue layer, and high-performance lubricants (including silicone oil, ionic liquids, multialkylated cyclopentanes and perfluoropolyethers (PFPE)) as flowable lubrication layer. Their fretting performance was evaluated in detail and fretting mechanism was revealed by surface/interface analysis techniques. Results determine the synergistic lubrication coatings with good anti-wear and anti-fatigue abilities, deriving …
Influence Of Soil Clogging On The Performance Of Jute Fibre Drains Installed In Ballina Clay, Thanh Trung Nguyen, Buddhima Indraratna, John Philip Carter
Influence Of Soil Clogging On The Performance Of Jute Fibre Drains Installed In Ballina Clay, Thanh Trung Nguyen, Buddhima Indraratna, John Philip Carter
Faculty of Engineering and Information Sciences - Papers: Part B
Biodegradable prefabricated vertical drains (BPVD) made from naturally occurring materials such as jute and coconut (coir) fibre not only have favourable engineering characteristics but also not detri-mental to the natural environment thanks to their biodegradability. Although the use of these natural fibre drains has been proposed for several decades, their application is still very limited. One of major reasons for this is because they are usually composed of individual fibres with large openings which can trap fine soils while discharging pore pressure, consequently reducing the hydraulic conductivity of the drain. This study therefore aims to clarify how soil can clog …
Improved Performance Of Ballasted Tracks At Transition Zones: A Review Of Experimental And Modelling Approaches, Buddhima Indraratna, Muhammad Babar Sajjad, Ngoc Trung Ngo, A Correia, Richard B. Kelly
Improved Performance Of Ballasted Tracks At Transition Zones: A Review Of Experimental And Modelling Approaches, Buddhima Indraratna, Muhammad Babar Sajjad, Ngoc Trung Ngo, A Correia, Richard B. Kelly
Faculty of Engineering and Information Sciences - Papers: Part B
Track transitionssuch as bridge approaches, road crossings and shifts from slab track to ballasted track are common locations wheretrack degradation accelerates due to dynamic and high impact forces; as a consequence there is higher differential settlement. Thesetypes of discontinuities cause an abrupt change in the structural responseof the track due mainly tovariations in stiffness and track damping. Track transitionzones are prone to an accelerated deterioration of track material and geometrythat leads to increased maintenance costs.Track deteriorationalso leads to vehicle degradation due to enhanced acceleration, low frequency oscillation, and high frequency vibrations. While ballastdeterioration is amajor factor affecting thestability and longevity …
Performance Simulation And Evaluation Of Net Zero Energy Buildings In An Australian Coastal Climate, Joel Anderson, Duane A. Robinson, Zhenjun Ma
Performance Simulation And Evaluation Of Net Zero Energy Buildings In An Australian Coastal Climate, Joel Anderson, Duane A. Robinson, Zhenjun Ma
Faculty of Engineering and Information Sciences - Papers: Part B
Net zero energy buildings (NZEB) are becoming more common, and as new energy saving designs and technologies become available, the ability to estimate overall energy use and understand the impact on operation of building appliances will become important. This paper outlines simulation results of performance improvements achieved by modifying various components (glazing, lighting, thermal comfort settings) of two tertiary education NZEBs and a typical modern commercial building. The DesignBuilder models' thermal performance and energy consumption were validated using real data from case study buildings. The work shows validating models of smaller, less conven-tional, buildings is more difficult than for larger …
Use Of Geogrids And Recycled Rubber In Railroad Infrastructure For Enhanced Performance, Buddhima Indraratna, Yujie Qi, Ngoc Trung Ngo, Cholachat Rujikiatkamjorn, Tim Neville, Fernanda Bessa Ferreira, Amir Shahkolahi
Use Of Geogrids And Recycled Rubber In Railroad Infrastructure For Enhanced Performance, Buddhima Indraratna, Yujie Qi, Ngoc Trung Ngo, Cholachat Rujikiatkamjorn, Tim Neville, Fernanda Bessa Ferreira, Amir Shahkolahi
Faculty of Engineering and Information Sciences - Papers: Part B
Railway tracks are conventionally built on compacted ballast and structural fill layers placed above the natural (subgrade) foundation. However, during train operations, track deteriorations occur progressively due to ballast degradation. The associated track deformation is usually accompanied by a reduction in both load bearing capacity and drainage, apart from imposing frequent track maintenance. Suitable ground improvement techniques involving plastic inclusions (e.g., geogrids) and energy absorbing materials (e.g., rubber products) to enhance the stability and longevity of tracks have become increasingly popular. This paper presents the outcomes from innovative research and development measures into the use of plastic and rubber elements …
Structure And Electrochemical Performance Modulation Of A Lini0.8co0.1mn0.1o2 Cathode Material By Anion And Cation Co-Doping For Lithium Ion Batteries, Rong Li, Yong Ming, Wei Xiang, Chunliu Xu, Guilin Feng, Yongchun Li, Yanxiao Chen, Zhenguo Wu, Ben-He Zhong, Xiaodong Guo
Structure And Electrochemical Performance Modulation Of A Lini0.8co0.1mn0.1o2 Cathode Material By Anion And Cation Co-Doping For Lithium Ion Batteries, Rong Li, Yong Ming, Wei Xiang, Chunliu Xu, Guilin Feng, Yongchun Li, Yanxiao Chen, Zhenguo Wu, Ben-He Zhong, Xiaodong Guo
Australian Institute for Innovative Materials - Papers
Ni-rich layered transition metal oxides show great energy density but suffer poor thermal stability and inferior cycling performance, which limit their practical application. In this work, a minor content of Co and B were co-doped into the crystal of a Ni-rich cathode (LiNi0.8Co0.1Mn0.1O2) using cobalt acetate and boric acid as dopants. The results analyzed by XRD, TEM, XPS and SEM reveal that the modified sample shows a reduced energy barrier for Li+ insertion/extraction and alleviated Li+/Ni2+ cation mixing. With the doping of B and Co, corresponding enhanced cycle stability was achieved with a high capacity retention of 86.1% at 1.0C …
Thermoelectric Performance Of Single-Phase Tellurium-Reduced Quaternary (Pbte)0.55(Pbs)0.1(Pbse)0.35, Laaya Shaabani, Graeme Blake, Andrew Manettas, Shokat Keshavarzi, Sima Aminorroaya-Yamini
Thermoelectric Performance Of Single-Phase Tellurium-Reduced Quaternary (Pbte)0.55(Pbs)0.1(Pbse)0.35, Laaya Shaabani, Graeme Blake, Andrew Manettas, Shokat Keshavarzi, Sima Aminorroaya-Yamini
Australian Institute for Innovative Materials - Papers
Lead chalcogenide quaternary systems have been shown to provide high thermoelectric (TE) efficiency superior to those of binary andternary lead chalcogenides, arising from both altered electronic band structures and a reduction in lattice thermal conductivity. Here, we have synthesized single-phase samples of the quaternary compound (PbTe)0.55(PbS)0.1(PbSe)0.35 dopedwith Na and characterized their TE properties. We show that the dopant solubility is limited to 1 at. %. A very low lattice thermal conductivity of∼0.6 Wm−1K−1at 850 K is achieved at all dopant concentrations because of phonon scattering from point defects associated with solute atoms with high contrastatomic mass. As a result, a …
Performance Evaluation Of Intermittently Cfrp Wrapped Square And Circularised Square Reinforced Concrete Columns Under Different Loading Conditions, Anh Duc Mai, M Neaz Sheikh, Muhammad N. S Hadi
Performance Evaluation Of Intermittently Cfrp Wrapped Square And Circularised Square Reinforced Concrete Columns Under Different Loading Conditions, Anh Duc Mai, M Neaz Sheikh, Muhammad N. S Hadi
Faculty of Engineering and Information Sciences - Papers: Part B
This paper presents the results of an experimental investigation on square and circularised square rein-forced concrete (RC) columns intermittently wrapped with carbon fibre reinforced polymer (CFRP)under different loading conditions. Twelve RC specimens consisting of eight square RC specimenswith 150mm150mm cross-section and 800mm height and four circularised square RC specimenswith 212mm diameter and 800 mm height were tested under concentric axial load, eccentric axialload and four-point flexural load. The test results showed that intermittent wrapping increased thestrength and ductility of square RC specimens. The test results also showed that circularisation com-bined with intermittent wrapping significantly improved the strength and ductility of …
Performance Evaluation Of Non-Gps Based Localization Techniques Under Shadowing Effects, Ngoc M. Nguyen, Le Chung Tran, Farzad Safaei, Son Lam Phung, Peter James Vial, Nam N. Huynh, Anne N. Cox, Theresa Harada, Johan Barthelemy
Performance Evaluation Of Non-Gps Based Localization Techniques Under Shadowing Effects, Ngoc M. Nguyen, Le Chung Tran, Farzad Safaei, Son Lam Phung, Peter James Vial, Nam N. Huynh, Anne N. Cox, Theresa Harada, Johan Barthelemy
Faculty of Engineering and Information Sciences - Papers: Part B
Non-GPS localization has gained much interest from researchers and industries recently because GPS might fail to meet the accuracy requirements in shadowing environments. The two most common range-based non-GPS localization methods, namely Received Signal Strength Indicator (RSSI) and Angle-of-Arrival (AOA), have been intensively mentioned in the literature over the last decade. However, an in-depth analysis of the weighted combination methods of AOA and RSSI in shadowing environments is still missing in the state-of-the-art. This paper proposes several weighted combinations of the two RSSI and AOA components in the form of pAOA + qRSSI, devises the mathematical model for analyzing shadowing …