Digital Commons Network^™

Shifts In Space And Self: Moving From Community To University, Sarah Elizabeth O'Shea, Erica Southgate, Ann Jardine, Shamus Smith, Janine Delahunty

Faculty of Social Sciences - Papers (Archive)

University enrolments have grown at an unprecedented rate over the last decade and this participation is only set to increase (Kemp & Norton, 2014; Universities Australia, 2015). However, rates of completion during the same period have remained relatively static, and the numbers of students who depart university remains significant, consistently hovering between 15-18 per cent of the total Australian student population (Higher Education Standards Panel, 2018). Disproportionate numbers of these early leavers are from rural and remote areas, so exploring how regional and remote learners consider their post-schooling futures can provide some insight into the fundamental issues behind this attrition. …

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 …

Utopia Or Dystopia: A Contested Space On Sydney's Urban Frontier, Ian Willis

Faculty of Law, Humanities and the Arts - Papers (Archive)

Australia is a settler society where the rural-urban fringe of the major cities and regional centres is a contestable stage. There are a range of actors who compete in place making processes re-shaping the cultural landscape when there is collision over the ownership of space and the dominant narrative. This paper examines the proposition that Sydney's urban growth has created a zone of conflict on the city's metropolitan frontier between cultural heritage and the interests of development. In recent years Sydney's rural-urban fringe has encroached on the village boundaries of Menangle where there has been a collision between the expectation …

Finding A Space For Women: The British Medical Association And Women Doctors In Australia, 1880-1939, Louella R. Mccarthy

Faculty of Science, Medicine and Health - Papers: part A

This paper examines the experiences of women in one professional organisation - the British Medical Association in Australia - during a significant period in the development of such bodies. In doing so it offers an opportunity to consider the relationship between professional societies and the construction of a gendered profession. For the medical profession in particular the time-frame of this study, from the 1880s to the 1930s, has been regarded by scholars as especially important. In this period various features of medical professionalism came to prominence: the status and authority of doctors, the processes of formally registering medical credentials, and …

Meet Them Where They Are: Bringing The Learning Co-Op Into The Digital Space, Kristy Newton, Courtney A. Shalavin

Senior Deputy Vice-Chancellor and Deputy Vice-Chancellor (Education) - Papers

The University of Wollongong (UOW) Learning Co-Op developed an online portal to complement its physical services, providing support for the development of students’ academic, information, and digital literacies. A user-centred design process was used to identify student needs and create meaningful, relevant content. The project employed student partners to ensure the inclusion of a strong student voice, and integrated a peer-led design strategy where the student partners identified and advocated for the needs of other students. The project utilised a collaborative approach to the creation of resources and service models, working with UOW students and staff from multiple professional units.

Histories Of Internet Games And Play: Space, Technique, And Modality, Teodor E. Mitew, Christopher L. Moore

Faculty of Law, Humanities and the Arts - Papers (Archive)

No abstract provided.

The Relationship Between Neighbourhood Green Space And Child Mental Wellbeing Depends Upon Whom You Ask: Multilevel Evidence From 3083 Children Aged 12-13 Years, Xiaoqi Feng, Thomas E. Astell-Burt

Faculty of Social Sciences - Papers (Archive)

Recent reviews of the rapidly growing scientific literature on neighbourhood green space and health show strong evidence for protective and restorative effects on mental wellbeing. However, multiple informants are common when reporting mental wellbeing in studies of children. Do different informants lead to different results? This study utilised nationally representative data on Goodman’s 25-item Strengths and Difficulties Questionnaire reported by 3083 children (aged 12–13 years old), and their parents and teachers. Multilevel models were used to investigate whether similar associations between child mental wellbeing (as measured using the total difficulties score and the internalising and externalising subscales) and neighbourhood green …

Radiofrequency Ablation Of The Lateral Palatal Space For Snoring, B T. Woodson, Kent S. Tadokoro, Stuart Mackay

Faculty of Science, Medicine and Health - Papers: Part B

Objective Pilot study to examine the effect of radiofrequency ablation (RFA) of the lateral palatal fat pad in patients with socially-disruptive snoring. Method Snoring outcomes and complications were compared between a group of patients with treated with RFA ablation of the lateral soft palate fat pad with or without inferior turbinate reduction (8 patients) and another group undergoing inferior turbinate reduction alone (12 patients). Results Snoring loudness and bothersomeness improved in the palate but not inferior turbinate group. Pain was mild and no major complications were observed. Conclusion The study supports RFA ablation of the lateral palatal space as a …

Numerical Analysis Of Indoor Thermal Comfort In A Cross-Ventilated Space With Top-Hung Windows, Xiang Deng, Paul Cooper, Zhenjun Ma, Georgios Kokogiannakis

Faculty of Engineering and Information Sciences - Papers: Part B

Natural ventilation can be used in residential buildings in several Australian climatic zones and well-designed windows have the potential to facilitate indoor thermal comfort by allowing occupants to control volumetric outdoor airflow and indoor air velocities. Top-hung window is one of the most popular window types in Australia. This paper investigates the effect of the attributes of top-hung windows (i.e. window length, aspect ratio, height above the ground, window opening angle and the fly screen porosity) and outdoor air conditions (i.e. outdoor air temperature, wind speed and direction) on indoor thermal comfort during cross ventilation using CFD simulations. The Taguchi …

Sensitive Space: Malmgren's Inner Attitudes, Janys Hayes

Faculty of Law, Humanities and the Arts - Papers (Archive)

Every year thousands of young people across Australia audition to join actor-training institutions.1 In major cities, as well as the existing university-based performing arts degrees, independent institutions have proliferated, teaching acting via full-time, part-time and short courses.2 Yet the Bureau of Statistics reveals that the number of Australians claiming to earn a living from the performing arts is low.3 Whilst parents often caution their teenage school leavers against University courses in the performing arts, the numbers applying have not dropped in response to the reality of the career outcomes, as would be expected. This paper suggests a phenomenological approach to …

Statistical Bias And Variance For The Regularized Inverse Problem: Application To Space-Based Atmospheric Co2 Retrievals, Noel A. Cressie, R Wang, Michael M. Smyth, Charles E. Miller

Faculty of Engineering and Information Sciences - Papers: Part A

Remote sensing of the atmosphere is typically achieved through measurements that are high-resolution radiance spectra. In this article, our goal is to characterize the first-moment and second-moment properties of the errors obtained when solving the regularized inverse problem associated with space-based atmospheric CO2 retrievals, specifically for the dry air mole fraction of CO2 in a column of the atmosphere. The problem of estimating (or retrieving) state variables is usually ill posed, leading to a solution based on regularization that is often called Optimal Estimation (OE). The difference between the estimated state and the true state is defined to be the …

Large-Scale Investment In Green Space As An Intervention For Physical Activity, Mental And Cardiometabolic Health: Study Protocol For A Quasi-Experimental Evaluation Of A Natural Experiment, Thomas E. Astell-Burt, Xiaoqi Feng, Gregory Kolt

Faculty of Social Sciences - Papers (Archive)

Introduction 'Green spaces' such as public parks are regarded as determinants of health, but evidence from tends to be based on cross-sectional designs. This protocol describes a study that will evaluate a large-scale investment in approximately 5280 hectares of green space stretching 27 km north to south in Western Sydney, Australia. Methods and analysis A Geographic Information System was used to identify 7272 participants in the 45 and Up Study baseline data (2006-2008) living within 5 km of the Western Sydney Parklands and some of the features that have been constructed since 2009, such as public access points, advertising billboards, …

Abstraction, Theatre And The Musical Frame, Nigel John Kellaway

University of Wollongong Thesis Collection 1954-2016

Brief Synopsis: a beautiful naked woman ‘of a certain age’ brutally stabs a young man to death is a practice-led research project that consists of a production staged at Performance Space, Carriageworks, Sydney (November 27th – 29th, 2013) and an exegesis exploring how physical notions of space and the abstract qualities more generally attributed to music (tempi, dynamics, durations) can provide the structural, narrative and aesthetic building blocks of a new theatre work. The project considers how existing structures (vocal expressivity, linear narrative, etc.) limit the understanding and practice of theatre and impact the creation of new work. In asking …

Diamond Microdosimetry For Radioprotection Applications In Space, Jeremy A. Davis

University of Wollongong Thesis Collection 1954-2016

The harsh space radiation environment, imposes a significant risk, to both biological and non-biological matter. Radiation Induced Damage (RID), depends upon the type and energy of radiation and the material properties of the interacting medium. The similarities between microelectronics and biological cells in relation to RID then, are such that a common methodology of measuring radiation dose might be used. Microdosimetry, being a technique that allows for the measurement of stochastic energy deposition distributions within micron size sensitive volume (SV), is a methodology well suited to act as dose monitoring system for biological and non-biological matter.

A number of restrictions …

Using Facebook As A Space For Storytelling In Geographical Research, Anna De Jong

Faculty of Social Sciences - Papers (Archive)

Geographers have long been alert to the ways space matters to knowledge production and the stories participants choose to share. Despite such understandings, however, geographers remain surprisingly absent from discussions regarding the ways these concerns play out across online spaces. This article reflects on the employment of one online space, Facebook, as a site for storytelling in research exploring return journeys to two Australian festivals - the Big Day Out and Mardi Gras Parade. This article argues that insight over longer temporalities and shifting spatialities afforded through Facebook facilitates heightened understandings of the nuances, repetitions, differences and paradoxes of identities, …

A Note On The Boundary Behavior For A Modified Green Function In The Upper-Half Space, Y Zhang, Valery Piskarev

Faculty of Engineering and Information Sciences - Papers: Part A

Motivated by (Xu et al. in Bound. Value Probl. 2013:262, 2013) and (Yang and Ren in Proc. Indian Acad. Sci. Math. Sci. 124(2):175-178, 2014), in this paper we aim to construct a modified Green function in the upper-half space of the n-dimensional Euclidean space, which generalizes the boundary property of general Green potential.

Exact Error Performance Analysis Of Binary Space-Time Block Coded Cooperative Communications Systems In Rayleigh Fading Channels, Le Chung Tran, Zixuan Lin, Farzad Safaei, Alfred Mertins, Duy T. Ngo

Faculty of Engineering and Information Sciences - Papers: Part A

Cooperative communications using the Alamouti space-time block code (STBC) has been mentioned intensively. However, to our knowledge, an in-depth error performance analysis for a space-time coded cooperative communications system, where each node acts as both a source node and a relay node for its partner, has not been reported. Intuitively, cooperative communications would not always be better than direct transmission, but only under certain conditions. This paper first derives an exact performance analysis of the Alamouti STBC cooperative communications for a Binary Phase Shift Keying (BPSK) constellation, which could be extended to a higher density modulation scheme. This mathematical analysis …

Adaptive Space-Time-Frequency-Coded Uwb System For Wireless Body Area Network, Miftadi Sudjai, Le Chung Tran, Farzad Safaei

Faculty of Engineering and Information Sciences - Papers: Part A

Wireless body area networks (WBAN) emerge as one of the main research streams for future wireless communications. One of the candidates for the WBAN physical layer is multiband orthogonal frequency division multiplexing ultra-wideband (MB-OFDM UWB) technology. However, despite its high data rate feature, it performs poorly in the very dispersive WBAN channel. To improve its performance, this paper proposes two novel mechanisms. First, the space-time-frequency coding (STFC) is introduced into MB-OFDM UWB system in order to enhance the diversity order, resulting in a substantial improvement in the average error performance compared to the conventional MB-OFDM UWB system. Nevertheless, the performance …

Expansion Of Co-Compact Convex Spacelike Hypersurfaces In Minkowski Space By Their Curvature, Ben H. Andrews, Xuzhong Chen, Hanlong Fang, James A. Mccoy

Faculty of Engineering and Information Sciences - Papers: Part A

We consider the expansion of co-compact convex hypersurfaces in Minkowski space by functions of their curvature, and prove under quite general conditions that solutions are asymptotic to the self-similar expanding hyperboloid. In particular this implies a convergence result for a class of special solution of the cross-curvature ow of negatively curved Riemannian metrics on three-manifolds.

The Influence Of Neighbourhood Green Space On Children's Physical Activity And Screen Time: Findings From The Longitudinal Study Of Australian Children, Taren Sanders, Xiaoqi Feng, Paul P. Fahey, Chris Lonsdale, Thomas Astell-Burt

Faculty of Social Sciences - Papers (Archive)

Objective: It is often hypothesised that neighbourhood green space may help prevent well-known declines in physical activity and increases in sedentary behaviour that occur across childhood. As most studies in this regard are cross-sectional, the purpose of our study was to use longitudinal data to examine whether green space promotes active lifestyles as children grow older. Methods: Data came from participants (n=4983; age=4-5) of the Longitudinal Study of Australian Children, a nationally representative study on health and child development. Physical activity and screen time were measured biennially (2004-2012) using questionnaires and time use diaries. Quantity of neighbourhood green space was …

Green Space And Child Weight Status: Does Outcome Measurement Matter? Evidence From An Australian Longitudinal Study, Taren Sanders, Xiaoqi Feng, Paul P. Fahey, Chris Lonsdale, Thomas Astell-Burt

Faculty of Social Sciences - Papers (Archive)

Objective: To examine whether neighbourhood green space is beneficially associated with (i) waist circumference (WC) and (ii) waist-to-height ratio (WtHR) across childhood. Methods: Gender-stratified multilevel linear regressions were used to examine associations between green space and objective measures of weight status in the Longitudinal Study of Australian Children, a nationally representative source of data on 4,423 children aged 6 y to 13 y. WC and WtHR were measured objectively. Percentage green space within the local area of residence was calculated. Effect modification by age was explored, adjusting for socioeconomic confounding. Results: Compared to peers with 0-5% green space locally, boys …

Pollution Diffusion And Abatement Activities Across Space And Over Time, Davide La Torre, Danilo Liuzzi, Simone Marsiglio

Faculty of Business - Papers (Archive)

We analyze the spatio-temporal dynamics of capital and pollution in an economic growth model with purposive environmental protection activities. The production process of a unique homogeneous good generates pollution, thus the increases in output associated with economic growth tend to rise the stock of pollution. Pollution is a negative production externality which thus feeds back on the economy lowering the level of output; in order to compensate for such a negative effect associated with economic development, pollution is reduced by publicly funded abatement activities. We firstly consider a Solow-type framework in which economic and environmental policies are completely exogenous, and …

Better Informing Decision Making With Multiple Outcomes Cost-Effectiveness Analysis Under Uncertainty In Cost-Disutility Space, Nikki Mccaffrey, Meera Agar, Janeane Harlum, Jonathon Karnon, David C. Currow, Simon Eckermann

Australian Health Services Research Institute

Introduction Comparing multiple, diverse outcomes with cost-effectiveness analysis (CEA) is important, yet challenging in areas like palliative care where domains are unamenable to integration with survival. Generic multi-attribute utility values exclude important domains and non-health outcomes, while partial analyses-where outcomes are considered separately, with their joint relationship under uncertainty ignored-lead to incorrect inference regarding preferred strategies. Objective The objective of this paper is to consider whether such decision making can be better informed with alternative presentation and summary measures, extending methods previously shown to have advantages in multiple strategy comparison. Methods Multiple outcomes CEA of a home-based palliative care model …

The Awesomeness Of Space, Shaun Gallagher

Faculty of Law, Humanities and the Arts - Papers (Archive)

No abstract provided.

Mean Curvature Flow Of Entire Graphs In A Half-Space With A Free Boundary, V.-M Wheeler

Faculty of Engineering and Information Sciences - Papers: Part A

We study the mean curvature flow of graphs with prescribed contact angle on a fixed, smooth hyperplane in Euclidean space. We obtain long time existence and convergence to a self similar solution of the mean curvature flow orthogonal to the fixed hyperplane.

Do Low-Income Neighbourhoods Have The Least Green Space? A Cross-Sectional Study Of Australia's Most Populous Cities, Thomas Astell-Burt, Xiaoqi Feng, Suzanne Mavoa, Hannah M. Badland, Billie Giles-Corti

Faculty of Social Sciences - Papers (Archive)

Background

An inequitable distribution of parks and other ‘green spaces’ could exacerbate health inequalities if people on lower incomes, who are already at greater risk of preventable diseases, have poorer access.

Methods

The availability of green space within 1 kilometre of a Statistical Area 1 (SA1) was linked to data from the 2011 Australian census for Sydney (n = 4.6 M residents); Melbourne (n = 4.2 M); Brisbane (n = 2.2 M); Perth (n = 1.8 M); and Adelaide (n = 1.3 M). Socioeconomic circumstances were measured via the percentage population of each SA1 living on < $21,000 per annum. Negative binomial and logit regression models were used to investigate association between the availability of green space in relation to neighbourhood socioeconomic circumstances, adjusting for city and population density.

Results

Green space availability …

Free Vibrations Of Interspersed Railway Track Systems In Three-Dimensional Space, Sakdirat Kaewunruen, Alexander Remennikov, Akira Aikawa, Hirotaka Sakai

Faculty of Engineering and Information Sciences - Papers: Part A

Statistically, the actual loading conditions for railway tracks are rather dynamic and transient. The dynamic loadings due to train and track interactions redistribute from the rails to the rail pad, from the rail pad to the railway sleeper, and from the railway sleeper to the underlying ground. Commonly, railway sleeper in track systems is modeled as a beam on elastic foundation. This study makes use of a calibrated finite element model of railway sleepers in a track system, in order to investigate the resonant frequencies and associated mode shapes of railway components in interspersed track systems. The numerical model takes …

Ionic Electroactive Polymer Artificial Muscles In Space Applications, Andres Punning, Kwang J. Kim, Viljar Palmre, Frederic Vidal, Cedric Plesse, Nicolas Festin, Ali Maziz, Kinji Asaka, Takushi Sugino, Gursel Alici, Geoffrey M. Spinks, Gordon G. Wallace, Indrek Must, Inga Poldsalu, Veiko Vunder, Rauno Temmer, Karl Kruusamae, Janno Torop, Friedrich Kaasik, Pille Rinne, Urmas Johanson, Anna Liisa Peikolainen, Tarmo Tamm, Alvo Aabloo

Faculty of Engineering and Information Sciences - Papers: Part A

A large-scale effort was carried out to test the performance of seven types of ionic electroactive polymer (IEAP) actuators in space-hazardous environmental factors in laboratory conditions. The results substantiate that the IEAP materials are tolerant to long-term freezing and vacuum environments as well as ionizing Gamma-, X-ray, and UV radiation at the levels corresponding to low Earth orbit (LEO) conditions. The main aim of this material behaviour investigation is to understand and predict device service time for prolonged exposure to space environment.

The Path Space Of A Directed Graph, Samuel B. G Webster

Faculty of Engineering and Information Sciences - Papers: Part A

We construct a locally compact Hausdorff topology on the path space of a directed graph E and identify its boundary-path space ∂E as the spectrum of a commutative C*-subalgebra DE of C*(E). We then show that ∂E is homeomorphic to a subset of the infinite-path space of any desingularisation F of E. Drinen and Tomforde showed that we can realise C*(E) as a full corner of C*(F), and we deduce that DE is isomorphic to a corner of DF. Lastly, we show that this isomorphism implements the homeomorphism between the boundary-path spaces.

Wittgenstein And Stage-Setting: Being Brought Into The Space Of Reasons, David Simpson

Faculty of Law, Humanities and the Arts - Papers (Archive)

Wittgenstein constantly invokes teaching, training and learning in his later work. It is there- fore interesting to consider what role these notions play for him there. I argue that their use is central to Wittgenstein’s attempt to refute cognitivist assumptions, and to show how norma- tive practices can be understood without the threat of circularity, grounded not in a kind of seeing, but in doing, and the natural reactions of an organism. This can generate a worry that Wittgenstein’s position is quietist and anti-critical: critique, as a challenge to the taken- for-granted grammar of our language game, is technically meaningless. …