Digital Commons Network^™

Ionic Liquids As Additives Of Coffee Bean Oil In Steel-Steel Contacts, James Grace, Solomiya Vysochanska, Jeffrey Lodge, Patricia Iglesias

Articles

Environmental awareness and ever-growing restrictive regulations over contamination have increased the need for more environmentally-friendly lubricants. Due to their superior biodegradability and lower toxicity, vegetable oils are a good alternative to replace currently-used mineral oils. However, vegetable oils show low oxidation and thermal stability and poor anti-wear properties. Most of these drawbacks can be attenuated through the use of additives. In the last decade, ionic liquids have emerged as high-performance fluids and lubricant additives due to their unique characteristics. In this study, the tribological behavior of two phosphonium-based ionic liquids is investigated as additives of coffee bean oil in steel-steel …

An Investigation Of Learning Outcomes For Msc Programs In Network And System Administration, Charles Border, Kyrre Begnum, Niels Sijm

Articles

What is the essence of a graduate-level system administration education? What skills and abilities of the candidate should educators focus on when developing a new program? This paper investigates the learning outcomes from three MSc graduate programs in network and system administration. We use a tournament-based game as a survey to establish a ranking of all the outcomes from the programs. Our results show a clear emphasis on security and the ability to create working solutions based on abstract descriptions.

Ingress Well-Played: City As Mmo, Elizabeth L. Lawley

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This paper describes player experience for Ingress, a geo-local, mobile augmented reality game created by Google’s Niantic Labs. Ingress incorporates aspects of both pervasive, alternate reality (ARG) and massively multiplayer online (MMO) games. However, unlike many ARGs, Ingress is not focused on a specific time-limited period, or linked to a single real-world event or location. And unlike a typical MMO, play in Ingress is geo-spatially limited; players must be physically proximate to game elements in order to interact with them. Using game mechanics similar to those of many MMOs, Ingress provides for a range of gameplay, based both on …

The Effects Of High Literacy Demands In Mathematics On International Students, Fiona Faulkner, Clare O'Hara, Mark Prendergast

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Project Maths is an ambitious reform of Irish post-primary education. It involves changes to what students learn in mathematics, how they learn it and how they will be assessed. There is a much greater emphasis placed on student understanding of mathematical concepts, with increased use of contexts and applications that will enable students to relate mathematics to their everyday experiences. The assessment reflects the different emphasis on problem solving and applications in the teaching and learning of mathematics and there is a much greater emphasis on reading and understanding the problems. Hence there is a greater emphasis on student’s English …

Integration Of Antennas With Sun-Tracking Solar Panels, Adam Narbudowicz

Articles

A low-cost solution for antennas integrated into solar cells, allowing their implementation in solar tracking installations is proposed. The proposed passive device autonomously adjusts the phase shift of a two-element array proportional to the panel rotation. Consequently, the main beam is steered to compensate for panel rotation and maintain a radio link. The proposed device operates for a rotation of ±45° with an amplitude variation of ≤0.4 dB at 2.51 GHz.

Innovation Heuristics: Experiments On Sequential Creativity In Intellectual Property, Stefan Bechtold, Christopher Buccafusco, Christopher Jon Sprigman

Articles

All creativity and innovation build on existing ideas. Authors and inventors copy, adapt, improve, interpret, and refine the ideas that have come before them. The central task of intellectual property (IP) law is regulating this sequential innovation to ensure that initial creators and subsequent creators receive the appropriate sets of incentives. Although many scholars have applied the tools of economic analysis to consider whether IP law is successful in encouraging cumulative innovation, that work has rested on a set of untested assumptions about creators’ behavior. This Article reports four novel creativity experiments that begin to test those assumptions. In particular, …

"The More Things Change . . .": New Moves For Legitimizing Racial Discrimination In A "Post-Race" World, Mario L. Barnes

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No abstract provided.

Regulating Unicorns: Disclosure And The New Private Economy, Jennifer S. Fan

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“Unicorns” are private companies with valuations of a billion dollars or more. As their name indicates, unicorns were originally so rare as to be almost mythical. But Uber and other technology companies have ushered in a new era: we now have a blessing of unicorns, each one of which has the potential to transform financial and cultural norms.

Yet from a legal perspective, these behemoths are regulated just like their much smaller, non-mythical counterparts. Unicorns’ dizzying valuations have not been matched with any expansion or recalibration of regulation. As a result, vital information about these companies remains secret, perhaps for …

The Secession Of The Successful: The Rise Of Amazon As Private Global Consumer Protection Regulator, Jane K. Winn

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In 2005, the Americans for Fair Electronic Commerce Transactions (“AFFECT”) coalition issued a list of 12 principles it hoped would contribute to a new consensus about what constitutes fairness in online consumer transactions. A decade later, a cursory review of different jurisdictions indicates that, while there has been little discernable progress in the direction of the principles in the United States, other jurisdictions such as the European Union have made more progress.

However, the one jurisdiction in the world that comes closest to implementing all 12 principles across the full spectrum of consumer transactions is not a government at all, …

Until The Client Speaks: Reviving The Legal-Interest Model For Preverbal Children, Lisa Kelly, Alicia Levezu

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This article seeks to revive and develop further the concept of legalinterest advocacy, which was first introduced by the American Bar Association in 1996. This overlooked model offers a workable alternative to both the best-interest and substituted-judgment representation models for preverbal clients. Through legal-interest advocacy, attorneys for preverbal children are charged with ensuring that the many rights given to infants are enforced, while withdrawing from attorneys the ability to impose their values on the child client. This article outlines how legal-interest advocacy representation can ensure that a child's legal rights are protected and preserved until the child client can speak …

Using Architecture Design Studio Pedagogies To Enhance Engineering Education, Shannon Chance, John Marshall, Gavin Duffy

Articles

Problem-Based Learning pedagogies that require high levels of inquiry and hands-on engagement can enhance student learning in engineering. Such pedagogies lie at the core of studio-based design education, having been used to teach architects since the Renaissance. Today, design assignments and studio-based learning formats are finding their way into engineering programs, often as part of larger movements to implement Student-Centered, Problem-Based Learning (PBL) pedagogies. This spectrum of pedagogies is mutually supportive, as illustrated in the University of Michigan’s SmartSurfaces course where students majoring in engineering, art and design, and architecture collaborate on wickedly complex and ill-defined design problems. In SmartSurfaces …

High Sensitivity Sol-Gel Silica Coated Optical Fiber Sensor For Detection Of Ammonia In Water, Dejun Liu, Wei Han, Arun Mallik, Jinhui Yuan, Chongxiu Yu, Gerald Farrell, Yuliya Semenova, Qiang Wu

Articles

A high sensitivity ammonia sensor based on a tapered small core singlemode fiber (SCSMF) structure for measurement of ammonia concentration in water is reported. Two tapered SCSMF fiber structures with different waist diameters of 23 µm and 13.5 µm are fabricated by using a customized microheater brushing technique. The silica based material prepared by the sol-gel method is used as a coating applied to the surface of the tapered fiber structures. To investigate the influence of the coating thickness on the sensitivity to ammonia in water, silica coatings with different thicknesses (2-pass and 8-pass coatings) are deposited on the surface …

Utilising A Loop Structure To Allow A Microfiber Coupler With Larger Taper Diameters To Be Used For Sensing, Fangfang Wei, Gerald Farrell, Qiang Wu, Yuliya Semenova

Articles

This paper examines a technique that utilizes a Sagnac loop with a microfiber coupler (MFC) as a coupler which allows the MFC to operate effectively as a sensor but with larger than normal tapered fiber diameters. The proposed structure is found to be suitable for temperature and refractive index (RI) sensing. It is shown that a variation in the surrounding of the MFC RI results in a shift of the output spectrum, while a temperature variation leads to changes in the intensity of the interference dips. A decrease in the waist diameter of the MFC results in an increase in …

Spontaneous Helix Formation In Non-Chiral Bent-Core Liquid Crystals With Fast Linear Electro-Optic Effect, Sithara P. Sreenilayam, Yuri Panarin, Jagdish K. Vij, Vitaly P. Panov, Anne Lehmann, Marco Poppe, Marko Prehm, Carsten Tschierske Carsten Tschierske

Articles

Liquid crystals (LCs) represent one of the foundations of modern communication and photonic technologies. Present display technologies are based mainly on nematic LCs, which suffer from limited response time for use in active colour sequential displays and limited image grey scale. Herein we report the first observation of a spontaneously formed helix in a polar tilted smectic LC phase (SmC phase) of achiral bent-core (BC) molecules with the axis of helix lying parallel to the layer normal and a pitch much shorter than the optical wavelength. This new phase shows fast (∼30 μs) grey-scale switching due to the deformation of …

Detection Of Yersinia Enterocolitica Serotype O:9 In The Faeces Of Cattle With False Positive Reactions In Serological Tests For Brucellosis In Ireland, Don O'Grady, Kevin Kenny, Seamus Power, John Egan, Fergus Ryan

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Intestinal infection by Yersinia enterocolitica serotype O:9 (YeO9) in cattle has been linked to false positive serological reactivity (FPSR) in diagnostic tests for brucellosis. Although eradicated in Ireland, brucellosis monitoring still identifies seropositive animals, usually one or two (termed singletons) per herd, which are classed as FPSR. To investigate a link between FPSR and YeO9, faeces and blood were collected from singleton FPSR cattle, and from companion animals, in eight selected herds with more than one FPSR animal, for YeO9 culture and Brucella serology. YeO9 was isolated from 76/474 (16%) FPSR singletons in 309 herds, but not from any of …

Optimized Sliding Mode Control To Maximize Existence Region For Single-Phase Dynamic Voltage Restorers, Samet Biricik, Hasan Komurcugil

Articles

This paper presents an optimized sliding mode control (SMC) strategy to maximize existence region for single-phase dynamic voltage restorers. It is shown analytically that there exists an optimum sliding coefficient which enlarges the existence region of the sliding mode to its maximum. Also, it is pointed out that the optimum sliding coefficient improves the dynamic response. In addition, a double-band hysteresis control which ensures the switching of a transistor in the voltage source inverter during a half-cycle while it remains either on or off in the other half cycle is used to mitigate the switching frequency. The theoretical considerations and …

Tort Reform Through The Back Door: A Critique Of Law And Apologies, Yonathan A. Arbel, Yotam Kaplan

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No abstract provided.

Resolving The Policy Paradox: The Case Of Biofuel Production In Ireland, Alan Gilmer, Mark J. Mcgarrity, Vivienne Byers

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Purpose – The purpose of this paper is to determine the status of policy design and policy implementation in the biofuel sector in Ireland. The focus of the work addresses the overarching operational context of the biofuel sector in Ireland and the role of different actors in shaping and resolving inconsistencies in policy outlook and practice. Design/methodology/approach – This study used a qualitative research approach involving a series of semi-structured interviews with members of the relevant sub-groups concerned. This study sought to address two questions – whether current or proposed policy is likely to affect consumption of indigenous biofuel feedstocks …

The Influence Of Phthalocyanine Aggregation In Complexes With Cdse/Zns Quantum Dots On The Photophysical Properties Of The Complexes, Irina V. Martynenko, Anna O. Orlova, Vladimir G. Maslov, Anatoly V. Federov, Kevin Berwick, Alexander V. Baranov

Articles

The formation of nonluminescent aggregates of aluminium sulfonated phthalocyanine in complexes with CdSe/ZnS quantum dots causes a decrease of the intracomplex energy transfer efficiency with increasing phthalocyanine concentration. This was confirmed by steady-state absorption and photoluminescent spectroscopy. A corresponding physical model was developed that describes well the experimental data. The results can be used at designing of QD/molecule systems with the desired spatial arrangement for photodynamic therapy.

Predicting Asthma Exacerbations Employing Remotely Monitored Adherence, Isabelle Killane, Imran Sulaiman, Elaine Mac Hale, Aoife Breathnach, Terrence Taylor, Martin Holmes, Richard B Reilly, Richard W Costello

Articles

This Letter investigated the efficacy of a decision-support system, designed for respiratory medicine, at predicting asthma exacerbations in a multi-site longitudinal randomised control trial. Adherence to inhaler medication was acquired over 3 months from patients with asthma employing a dose counter and a remote monitoring adherence device which recorded participant's inhaler use: n = 184 (23,656 audio files), 61% women, age (mean ± sd) 49.3 ± 16.4. Data on occurrence of exacerbations was collected at three clinical visits, 1 month apart. The relative risk of an asthma exacerbation for those with good and poor adherence was examined employing a univariate …

Energy-Saving Occupant Behaviour In Offices: Change Strategies, Mark Mulville, Keith Jones, Gesche Huebner, Joanne Powell-Grieg

Articles

As regulated energy consumption in buildings is reduced, the proportional importance of unregulated energy consumption increases. Reducing unregulated energy use in the commercial office requires an understanding of the factors that influence workplace behaviour. To date these factors have been assumed to be similar to those that influence behaviour in the home. However, the social dynamics of the workplace are different to those in the home. This study examines the degree to which theories of behaviour change generated largely in a domestic building setting could be used as the basis for designing interventions to reduce unregulated energy consumption in the …

Iron In The Soul, Noel Brady

Articles

This paper re-examines the iconic use of cruciform columns in the famous Barcelona Pavilion and the other ‘German’ projects of the architect Mies Van der Rohe. It extrapolates for the material itself to construct a theory about the meaning behind their design and iconography linking it to Shinkel and a coded national identify.

Interpreting Megalithic Tomb Orientations And Siting Within Broader Cultural Contexts, Frank Prendergast

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This paper assesses the measured axial orientations and siting of Irish passage tombs. The distribution of monuments with passages/entrances directed at related tombs/cairns is shown. Where this phenomenon occurs, the targeted structure is invariably located at a higher elevation on the skyline and this could suggest a symbolic and hierarchical relationship in their relative siting in the landscape. Additional analysis of astronomical declinations at a national scale has identified tombs with an axial alignment towards the rising and setting positions of the Sun at the winter and summer solstices. A criteria-based framework is developed which potentially allows for these types …

Strategy/Enterprise Discourse Bounds In Business Talk., Brendan O'Rourke

Articles

Corporate strategy emerged as large non-owner managed firms became economically important (Knights and Morgan, 1991). Strategy became the substitute for the earlier enterprise discourse, which depended on the dominance, in entrepreneurial capitalism, of owner-managed firms. The discourses of strategy and enterprise developed as separate academic areas and as logics of two very different economic domains. From the late 1970s however, large organizations (Kanter, 1983:27) and governments have been urged to be more entrepreneurial (Klein et al., 2010; Osborne and Gaebler, 1993). Meanwhile, small firms were encouraged to be more strategic (Carr, 2000). This article looks at evidence from small …

Interactive Learning: Developing An Esimulation Portal Framework, Ayman Tobail, John Crowe, Amr Arisha

Articles

The emerging eLearning paradigm is becoming increasingly used in many academic disciplines. The concept acknowledges learning processes that no longer deploy only traditional teaching methods. It can be argued that today’s third level education students are part of a new virtual era where the blackboard has been replaced by the interactive whiteboard, so more interactive and virtually orientated teaching aids are required to assist in the transition from traditional learning to eLearning. The key objective of this paper is to propose a simulation-based learning framework that integrates web-based simulation and a web content management hierarchy model. Using the highly complex …

Legitimising Expertise: Analysing The Legitimation Strategies Used By Economics Experts In Broadcast Interviews, Joseph K. Fitzgerald, Brendan O'Rourke

Articles

Few would doubt that economists have taken a prominent role as experts on policy issues [Maesse, J. 2015. Economic experts: A discursive political economy of economics. Journal of Multicultural Discourses 10, no.3: 279–305] and some contend that no other social science discipline has gained such prominence [Fourcade, M., E. Ollion, and Y. Algan. 2015. The superiority of economists. Journal of Economic Perspectives 29, no.1: 89–114]. This prominent societal role has long been evident and leans on their perceived objectivity with regard to the economy and policy advice. Yet, the Great Recession of 2008 put past understandings of the economy, and …

Posthumous Privacy, Decedent Intent, And Post-Mortem Access To Digital Assets, Alberto B. Lopez

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No abstract provided.

Agora, Dignity, And Discrimination: On The Constitutional Shortcomings Of Conscience Laws That Promote Inequality In The Public Marketplace Symposium: Law And Religion In An Increasingly Polarized America, Ronald J. Krotoszynski Jr.

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No abstract provided.

Bankruptcy And Unbundling: Oil And Water, Gary E. Sullivan, Jessica M. Zorn

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No abstract provided.

Credit Reporting's Vicious Cycles, Luke Herrine

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This article argues that, despite being the least discriminatory form of underwriting in history, consumer credit reporting can reinforce and deepen systemic inequalities. Credit reports can create two sorts of vicious cycles, which can contribute to cycles of poverty and deepen race-based disenfranchisement. The first takes place in credit markets themselves. Even on a neoclassical model of credit reporting, and especially on a model that accounts for cognitive imperfections, credit reports can amplify past problems with debt, most of which can be traced to broader forces that shape economic inequality. The second cycle arises when credit reports are used in …