Digital Commons Network^™

Wavecat Wave Energy Converter: Performance And Wave Field Interaction, James Allen

School of Engineering, Computing and Mathematics Theses

Wave Energy Converters (WECs) have been shown to offer a promising option for power generation. The WaveCat is a moored WEC design which uses wave overtopping discharge into a variable v-shaped hull, to generate electricity through low head turbines. Physical model tests of the WaveCat WEC were carried out at the University of Plymouth COAST Laboratory to determine the device reflection, transmission and absorption coefficients. 60° and 30° wedge angles were tested, where wedge angle is the angle between the two hulls. Motion response of the WaveCat model was also quantified. The device heave and pitch motions were simulated using …

Biosensing With Back-Gated Graphene Field Effect Transistors, Benjamin O'Driscoll

School of Engineering, Computing and Mathematics Theses

The widespread existence of the heavy metal lead in the environment is a severe threat to the health of humans. Lead is a neurotoxin that accumulates over time in the body restricting the cognitive, behavioural and psychological development of children. Since water is one exposure route for chemical hazards like Pb2+ it is envisioned that monitoring drinking water sources with low-cost, sensitive and field-suitable devices is one way that human exposure can be limited. Herein presents graphene field effect transistors (GFETs) functionalised with aptamers as bioreceptors, for the specific detection of Pb2+ ions in water. Functionalising GFETs with bioreceptors facilitates …

Development Of A Novel Antibacterial Silver Nanocoating To Reduce Nosocomial Infections, James Butler

School of Engineering, Computing and Mathematics Theses

Nosocomial infections (those that are hospital-acquired) lead to patient morbidity and mortality, and are further complicated by the growing problem of antimicrobial resistance. Wastewater plumbing systems (WPS) are bacterial reservoirs and vehicles for bacterial transmission. Sink traps form a barrier between users and the WPS, but breaches can lead to contamination and have been implicated in outbreaks of infections. This project sought to address the need for a novel antimicrobial nanocoating to reduce bacterial colonisation and biofilm formation in sink traps. A nanocoating was developed by embedding silver nanoparticles in a matrix of commercially-available and low-cost pipe cement, applied to …

Optimisation Of Wireless Disaster Telecommunication Network Based On Network Functions Virtualisation Under Special Consideration Of Energy Consumption, Auberlin Paguem Tchinda

School of Engineering, Computing and Mathematics Theses

A working communication network is a key element in saving human lives after a disaster event. However, analysis of past disaster events shows significant damage to common communication network infrastructures such as the mobile network or landline. Consequently, a new communication network (Emergency Communication Network (ECN)) must be established immediately after the disaster to support rescue operations (e.g., civil protection, police, and volunteers) and to enable communication between the affected people. The established network is subject to several requirements. These requirements can be divided into infrastructure and service requirements. Infrastructure requirements include rapid deployment of the communication network, complete coverage …

Behavioural Determinants Of Human And Planetary Health: The Role Of Nature Contact And Nature Connectedness., Leanne Martin

School of Psychology Theses

The benefits of natural environments for health and wellbeing are well-established, but less is known about their links human behaviour. This thesis presents a conceptual model proposing that increased contact with - and psychological connection to – nature will be associated with: a) a lower prevalence of health risk behaviours, and b) greater engagement with pro-environmental behaviours, via positive affect, negative affect, community cohesion and temporal discounting. Studies 1-3 used representative cross-sectional datasets to systematically investigate the associations between different types of nature contact, nature connectedness and behavioural outcomes. Study 4 used a bespoke cross-sectional survey to test the full …

Life-Cycle Assessment Of Non-Domestic Building Stocks: A Meta-Analysis Of Current Modelling Methods, Julian Bischoff, Aidan Duffy

Articles

Building stock models (BSMs) are essential for simulating the contributions of regional and national building sectors to climate change under different policy scenarios, and for identifying pathways to climate change mitigation. To date, BSMs have focused on the operational life-cycle impacts of domestic dwellings; there has been less emphasis either on non-domestic buildings (NDBs) or full life-cycle analysis. This paper provides a first review of the theory and practice of NDB stock modelling which considers life-cycle energy, emissions and costs. A meta-analysis of the literature was undertaken involving a structured search of relevant articles in key scientific repositories. 98 in-scope …

All-Optical Modulator Based On A Microfibre Coil Resonator Functionalized With Mxene, Pengfei Wang, Shi Li, Fengzi Ling, Gerald Farrell, Elfed Lewis, Yu Yin

Articles

A novel all-optical modulator based on a microfibre coil resonator (MCR) functionalized using MXene is reported. The MCR was manufactured by winding a tapered fibre on a polycarbonate (PC) resin cylinder with low refractive index to support the microfibre, which also forms a fluidic channel coil. The MXene dispersion was injected into the channel to allow the deposition of an MXene layer using a photodeposition process. The transmission spectra were tuned using a tunable laser with a centre wavelength of 1550 nm and the light-matter interaction resulting from the photo-thermal effect and MXene absorption provide the all-optical modulation in this …

A Micron-Range Displacement Sensor Based On Thermo-Optically Tuned Whispering Gallery Modes In A Microcapillary Resonator, Zhe Wang, Arun Kumar Mallik, Fangfang Wei, Zhuochen Wang, Anuradha Rout, Qiang Wu, Yuliya Semenova

Articles

A novel micron-range displacement sensor based on a whispering-gallery mode (WGM) microcapillary resonator filled with a ne matic liquid crystal (LC) and a magnetic nanoparticle- coated fiber half-taper is proposed and experimentally demonstrated. In the proposed device, the tip of a fiber half-taper coated with a thin layer of magnetic nanoparticles (MNPs) moves inside the LC-filled microcapillary resonator along its axis. The input end of the fiber half-taper is connected to a pump laser source and due to the thermo-optic effect within the MNPs, the fiber tip acts as point heat source increasing the temperature of the LC material in …

A Multimodal Framework For Supporting Academic Writer’S Perspectives, Practice And Performance, Roisin Donnelly, Ita Kennelly, Claire Mcavinia

Journal Articles

Supporting writing remains an important dimension to the work of academic developers particularly for early career academics and doctoral candidates. A small qualitative case study was undertaken on an academic writing module to explore participants’ needs and evaluate a new multimodal writing framework which sought to enhance publication opportunities while supporting the development of writing practice. The framework introduced the modes of reading, writing and reviewing as distinctive dimensions of the writing process and introduced practical activities to build participants’ confidence and skills working in each mode. It also prompted participants to acknowledge, adopt and shift between the perspectives of …

Exploring Pedagogic And Practical Intersections Of Academic Writing Support For Faculty In Higher Education, Roisin Donnelly, Maria-Jose Gonzalez

Journal Articles

This is a case study of Faculty perceptions of the nature and effectiveness of academic writing provision and practice in a university in Ireland. It is presented in tandem with a case study of student persecptions from an Academic Writing Centre and taken together, both discuss the pedagogical approach adopted by the two pan-university initiatives. The focus of this case study is a Professional Development module for Faculty designed with a dual purpose - to support them to develop their own professional writing for publication, and enabling them to use the same strategies to support and reinforce their students’ academic …

Exploring The Concept Of The Digital Educator During Covid-19, Ana Schalk, Claire Mcavinia, Pauline Rooney

Journal Articles

In this paper, we explore academic identity, specifically the identity of the educator in higher education and academics’ conceptualisations of the digital educator. We suggest that the concept of a digital educator is not only about technology, tools and uses. The context for this exploration is academics’ participation in an online professional development module, Digital Education, and the “pivot online” (Weller, 2020a) during campus closures caused by the COVID-19 pandemic in 2020. Through qualitative research, we explored participants’ sense of teaching identity, whether they had or have a concept of being a digital educator and the extent to which these …

Use And Awareness Of Heated Tobacco Products In Europe, Silvano Gallus, Alessandra Lugo, Xiaoqiu Liu, Elisa Borroni, Luke Clancy, Giuseppe Gorini, Maria José Lopez, Anna Odone, Krzysztof Przewozniak, Olena Tigova, Piet A. Van Den Brandt, Constantine Vardavas, Esteve Fernandez, Tackshs Project Investigators

Articles

Background: Heated tobacco products (HTP) are new forms of tobacco consumption with limited information available on their use among the general population. Our objective was to analyze the prevalence and associations of use of HTP across 11 countries in Europe.

Methods: Within the TackSHS Project, in 2017-2018 we conducted a cross-sectional study with information on HTP use in the following countries: Bulgaria, England, France, Germany, Greece, Italy, Latvia, Poland, Portugal, Romania and Spain. In each country, face-to-face interviews were performed on a representative sample of around 1,000 subjects aged ≥15 years, for a total of 10,839 subjects.

Results: Overall, 27.8% …

Educator Handbook For Designing Inclusive Entrepreneurship Courses In Higher Education, Deirdre Mcquillan, Sylvia Gavigan, Antonio Juan Briones, Iulia Clitan, Dimitra Milioni, Vlad Muresan, Panayiota Polykarpou

Books/Book Chapters

This handbook is developed for educators in entrepreneurship within universities and other higher education institutions. The aim of the handbook is to help underrepresented student groups within their courses. It is also useful for academics who want to develop entrepreneurship courses for specific minority groups. The notion of who underrepresented entrepreneurship students are may differ across institutions and across countries. At a global level, the OECD identifies six important cohorts: women, youth, seniors, the unemployed, immigrants, and people with disabilities (OECD, 2021)

Social Identity Processes Involved In The Acceptance And Collective Actions Regarding Large-Scale Energy Technologies: The Case Of Deep Geothermal Energy In Cornwall, Wales And Scotland., Francesca Ausilia Tirotto

School of Psychology Theses

Deep geothermal energy has been recognised as an important contributor to future energy demand. However, the development of renewable energy technologies has seen public disagreement hindering the implementation of such technologies. The present study investigated social dimensions underlying public acceptance of deep geothermal energy. Adopting a social identity approach, the present research consisted of four studies. The first was a qualitative study which aimed to understand which socio-psychological dimensions were relevant in the acceptance of the first deep geothermal energy plant in Cornwall, UK. Based on this study and existing theory, a theoretical framework was developed which identified two possible …

Unstacking The Matryoshka Nesting Doll: A Self-Study Of Playful Language Instruction For Adult Second Language Learners, Marine Pepanyan

Dissertations and Theses @ UNI

In the recent three decades teaching second language (L2) vocabulary has expanded from sentence-level morphosyntactic features and pragmatics to the promotion and advancement of Communicative Language Teaching (CLT). Nevertheless, the L2 instructors are constantly seeking alternative strategies for vocabulary teaching and assessment due to a superficial level of vocabulary memorization and lack of student engagement. As an instructor-practitioner, I undertook a self-study of the process of implementing Playful Language Instruction (PLI) of L2 vocabulary in an Intensive English Program. In this self-study I combined conceptual lenses of theories of play, CLT, and the Adult Learning Theory to examine how playful …

Mm Percussion Recital, Tyler Darnall

Dissertations and Theses @ UNI

This recital abstract serves as supplemental material to the Master of Music degree recital by Tyler Darnall. The recital will take place on April 15, 2022, at 6:00 p.m. Central Standard Time in Davis Hall at the University of Northern Iowa. This recital will feature works by Jeffrey Dennis Smith, Elliott Carter, J.S. Bach, Alyssa Weinberg, Nicolas Martynciow, John Cage, and Iannis Xenakis. Aiden Endres, Nicole Loftus, Xander Webb, and Matthew Kokotivich will be collaborating with Darnall for his recital. In addition to providing musical and historical context, this document will address specific considerations regarding performance practice for each piece.

Noise Resilient Learning For Attack Detection In Smart Grid Pmu Infrastructure, Prithwiraj Roy, Shameek Bhattacharjee, Sahar Abedzadeh, Sajal K. Das

Computer Science Faculty Research & Creative Works

Falsified data from compromised Phasor Measurement Units (PMUs) in a smart grid induce Energy Management Systems (EMS) to have an inaccurate estimation of the state of the grid, disrupting various operations of the power grid. Moreover, the PMUs deployed at the distribution layer of a smart grid show dynamic fluctuations in their data streams, which make it extremely challenging to design effective learning frameworks for anomaly-based attack detection. In this paper, we propose a noise resilient learning framework for anomaly-based attack detection specifically for distribution layer PMU infrastructure, that show real time indicators of data falsifications attacks while offsetting the …

Targeted Content-Sharing In A Multi-Group Dtn Application Using Attribute-Based Encryption, Xiaofei Cao, Shudip Datta, Ram Charan Bolla, Sanjay Kumar Madria

Computer Science Faculty Research & Creative Works

In a battlefield, multiple groups operate with different missions, but their missions and groups can dynamically change based on the evolving situation. Due to the unavailability of network infrastructure after deployment, group members form a Delay Tolerant Network (DTN) which is prone to security attacks. Hence, based on the mission attributes, group memberships, nodes' interests, and data tags determination, targeted contents need to be distributed in a secure fashion to different users. Though existing Attributes Based Encryption (ABE) can provide security of information, revoking a member from a group is always an issue in DTN as the Attribute Authority (AA) …

Look-Up Table Based Fhe System For Privacy Preserving Anomaly Detection In Smart Grids, Ruixiao Li, Shameek Bhattacharjee, Sajal K. Das, Hayato Yamana

Computer Science Faculty Research & Creative Works

In advanced metering infrastructure (AMI), the customers' power consumption data is considered private but needs to be revealed to data-driven attack detection frameworks. In this paper, we present a system for privacy-preserving anomaly-based data falsification attack detection over fully homomorphic encrypted (FHE) data, which enables computations required for the attack detection over encrypted individual customer smart meter's data. Specifically, we propose a homomorphic look-up table (LUT) based FHE approach that supports privacy preserving anomaly detection between the utility, customer, and multiple partied providing security services. In the LUTs, the data pairs of input and output values for each function required …

China Maritime Report No. 18: Chinese Special Operations In A Large-Scale Island Landing, John Chen, Joel Wuthnow

CMSI China Maritime Reports

PLA special operations forces (SOF) would likely play important supporting roles in an amphibious assault on Taiwan. Their capabilities and training are geared towards several missions undertaken during the preparatory and main assault phases of the landing, including infiltration via special mission craft and helicopter, reconnaissance and targeting, obstacle clearance, strikes and raids, and extraction missions. While PLA SOF have made progress in recent years, several longstanding challenges could affect their performance in an island landing: integrating advanced special mission equipment for complex and dangerous missions, coordinating their operations with non-SOF supporting and supported forces, and overcoming the Chinese military’s …

Towards A Model Of The Design Process For Games, John Healy, Charlie Cullen

Conference Papers

In this paper, we present an approach to studying the game design process by drawing upon general models of design to support research into the process of game design. Several general models of design exist to consider the processes through which designers work. Many of these fit within a structure of analysis, synthesis and evaluation that was first proposed by Christopher Jones in 1963 and later adapted by Bryan Lawson to account for the messy nature of design and the undertaking of these activities while negotiating between problem and solution. This paper proposes the adaptation of Lawson’s model of design …

Business Intelligence Trends: A Review Of Mobile Business Intelligence, Shanika Edirisinghe

Articles

The early stages of Decision Support Systems evolved with the technological improvements and availability of massive amounts of data. The concept of Business Intelligence became apparent along with this evolution which incorporates a range of fields and supports decision making in business organizations. Mobile business intelligence is a popular trend in the domain of business intelligence at present. Business organizations employ mobile business intelligence as an extension to the existing business intelligence systems. This study intends to present a review of mobile business intelligence while addressing its benefits, challenges, and limitations. Moreover, this study provides details of several use cases …

All Things Merge Into One, And A River Runs Through It: Exploring The Dimensions Of Blended Learning By Developing A Case Study Template For Blended Activities, Damian Gordon, Paul Doyle, Anna Becevel, Tina Baloh

Articles

The BLITT (Blended Learning International Train the Trainer) Project is focused on developing a training programme to equip teachers to become proficient in championing the use of Blended Learning in the classroom. The training programme will be developed in two phases, in the first phase involves the development of a series of case studies relevant to Blended Learning, followed by a second phase where the BLITT training programme will be designed and developed, using input from these cases. In developing the blended learning case studies, two key documents were identified as being essential, first, a case study tracking template to …

Energy-Efficient Dynamic Directional Modulation With Electrically Small Antennas, Adam Narbudowicz, Abel Zandamela, Nicola Marchetti, Max Ammann

Articles

This letter proposes a compact and energy-efficient directional modulation scheme for small and power constrained devices (e.g., Internet of Things wireless sensors). The scheme uses a uniform circular array of monopole antennas, with a single radiofrequency chain and antenna active at a time. The antennas can be located in close proximity, offering significant size reduction. Furthermore, the schemewas demonstrated to operate successfully with an array of 0.6 λ diameter. The system does not generate additional artificial noise, limiting interference to other systems. Finally, the antenna switching sequence can be randomly generated and without fine-tuned synchronization with the transmitter.

The Influence Of Psychosocial And Sociocultural Situatedness Within Organisations On The Practice Of Mindfulness Among Employees: A Systematic Review Of Literature, Bhuvan Israni, Niamh Imbusch

Other resources

No abstract provided.

Boundary Resource Interactions In Solution Networks, Ruiqi Wei, Roisin Vize, Susi Geiger

Articles

Purpose – This study aims to explore the interactions between two different and potentially complementary boundary resources in coordinating solution networks in a digital platform context: boundary spanners (those individuals who span interorganizational boundaries) and boundary interfaces (the devices that help coordinate interfirm relationships, e.g. electronic data interchanges, algorithms or chatbots).

Design/methodology/approach – The authors conducted a multiple case study of three firms using digital platforms to coordinate solution networks in the information communication technology and lighting facility industries. Data were collected from 30 semi-structured interviews, which are complemented by secondary data.

Findings – As task complexity increases, smarter digital …

Creating And Managing Eu Funded Research Networks: An Exploratory Case, Zeta Dooly, Aidan Duane, Aidan O'Driscoll

Articles

The collaborative European funded research and development landscape drives competitiveness among innovative organisations. Recently it has seen the rise of public private partnerships significantly impacting the dynamics of these networks. Thus, the complexity of managing research networks has intensified with the increased diversity of research network members. Additionally, the emergence of the academic entrepreneur has augmented the focus of educational institutions to include innovation and building start-up organisations. The impact of research is scalable if an optimum research network is created and managed effectively. This paper investigates network embeddedness; the nature of relationships, links and nodes within a research network, …

"Blood, Sweat, Tears:" A Muslim Woman Law Professor's View On Degenerative Racism, Misogyny, And (Internal) Islamophobia From Preeclampsia And Presumed Incompetent To Pandemic Tenure, Nadia B. Ahmad

FIU Law Review

From classical literature, popular press, law, everyday conversations, and social media rampages, society scrutinizes visible Muslim women even though they are a part of a vast global population. From E.M. Forrester’s A Passage to India—the Orientalist summer reading I endured in high school—to the incessant online attacks on U.S. Congresswoman Ilhan Omar, the hatred has no end and no bounds. Visible Muslim women are accustomed to erasure and censure for simply existing. In France, legislators sought to expel visible Muslim women under the age of eighteen from the public space. Women’s rights have been used as a pretext to invade …

Stereotypes, Sexism, And Superhuman Faculty, Teneille R. Brown

FIU Law Review

This symposium article explores how law professors with caretaking responsibilities struggled so greatly during the first year of the COVID-19 pandemic. Because legal academia prioritizes masculine ideals of competence over warmth, faculty were expected to suppress their emotions and mental health needs in order to maintain the appearance of competence. While students were allowed to be seen as vulnerable individuals needing accommodations, we did not extend this same compassion to our faculty colleagues. To explain why the treatment was so disparate, I incorporated existing research on the stereotype content model (SCM) and psychological theories of dehumanization. These theories help to …

The Need For Social Support From Law Schools During The Era Of Social Distancing, Michele Okoh, Inès Ndonko Nnoko

FIU Law Review

Law students have been faced with unparalleled stress during the syndemic. They must cope with being students during the COVID-19 pandemic but also must deal with stress related to social and political unrest. This essay recommends that law schools apply social support theory in developing interventions to effectively address the needs of law students now and in the future. Social support theory focuses on the value and benefits one receives from positive interpersonal relationships. These positive relationships impact both mental and physical health and promote beneficial short and long-term overall health. However, not all supports are the same, and social …