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Articles 1 - 19 of 19
Full-Text Articles in Engineering
Supporting Text And Data Analysis Across Campus From The Academic Library, Amy Kirchhoff, Hejin Shin Phd
Supporting Text And Data Analysis Across Campus From The Academic Library, Amy Kirchhoff, Hejin Shin Phd
Digital Initiatives Symposium
The ability to comprehend and communicate with text-based data is essential to future success in academics and employment, as evidenced in a recent survey from Bloomberg Research Services which shows that nearly 97% of survey respondents now use data analytics in their companies and 58% consider data and text mining a business analytics tool (https://www.sas.com/content/dam/SAS/bp_de/doc/studie/ba-st-the-current-state-of-business-analytics-2317022.pdf). This has fueled a substantial growth in text analysis research (involving the use of technology to analyze un- and semi-structured text data for valuable insights, trends, and patterns) across disciplines and a corresponding demand on academic libraries to support text analysis pedagogy and text analysis …
Nonprofit Leader Experiences In Sector-Bending After Lean Six Sigma Training: Tension, Concepts, And Changed Behaviors, Beverly Codallos
Nonprofit Leader Experiences In Sector-Bending After Lean Six Sigma Training: Tension, Concepts, And Changed Behaviors, Beverly Codallos
Dissertations
Government, business, and nonprofit represent three distinct types of organizations governed by different legal frameworks designed to facilitate collective action (DiMaggio & Anheier, 1990). The emergence of hybrid forms and increasing isomorphic pressures in the nonprofit sector (Bromley & Meyer, 2017; McCambridge, 2014) have challenged the traditional separation of organizational forms. This study explored the phenomenon popularized as sector-bending, “a wide variety of approaches, activities, and relationships that are blurring the distinctions between nonprofit and for-profit organizations, either because they are behaving more similarly, operating in the same realms, or both” (Dees & Anderson, 2003, pg. 16). This qualitative study …
Black Beyond Measure: An Antideficit Exploration Of Cultural Capital Within A National Society Of Black Engineers (Nsbe) Chapter At A Predominantly White Institution (Pwi), Rhonda Harley
Dissertations
Historically, Black students have been excluded from Predominately White institutions (PWI) longer than welcomed to attend and matriculate (Harper et al., 2009). Due to this lack of inclusion, African American students' educational experiences often center on academic disparities, inequality of opportunity, and under-preparedness in career planning within the American education system. While there has been a fair amount of research on the lack of representation of Black students in the engineering disciplines, the heavy focus on quantitative data offers little insight into the unique ways students succeed and overcome institutional and systemic barriers in pursuit of their degree. Undergraduate experiences, …
Lagrangian And Eulerian Accelerations In Turbulent Stratified Shear Flows, Frank G. Jacobitz, Kai Schneider
Lagrangian And Eulerian Accelerations In Turbulent Stratified Shear Flows, Frank G. Jacobitz, Kai Schneider
School of Engineering: Faculty Scholarship
The Lagrangian and Eulerian acceleration properties of fluid particles in homogeneous turbulence with uniform shear and uniform stable stratification are studied using direct numerical simulations. The Richardson number is varied from Ri=0, corresponding to unstratified shear flow, to Ri=1, corresponding to strongly stratified shear flow. The probability density functions (pdfs) of both Lagrangian and Eulerian accelerations have a stretched-exponential shape and they show a strong and similar influence on the Richardson number. The extreme values of the Eulerian acceleration are stronger than those observed for the Lagrangian acceleration. Geometrical statistics explain that the magnitude of the Eulerian acceleration is larger …
Grandparent-Grandchild Virtual Communication Study, Tanya Keval
Grandparent-Grandchild Virtual Communication Study, Tanya Keval
Undergraduate Honors Theses
The cross generational bond between a grandparent and grandchild is extremely important. The stories, traditions, and beliefs that grandparents share with their grandchildren have the ability to shape their grandchildren’s beliefs. For grandparents, the role of being a grandparent and creating shared memories with their grandchildren leaves a positive impact on their mental health. Although the elderly population prefers to connect with others in-person, including their grandchildren, this face-to-face connection is not always possible due to schedules, distance, or health. Many products have been designed for grandparents and grandchildren to try to fill this communication gap when they are apart. …
Mapping Renewal: How An Unexpected Interdisciplinary Collaboration Transformed A Digital Humanities Project, Elise Tanner, Geoffrey Joseph
Mapping Renewal: How An Unexpected Interdisciplinary Collaboration Transformed A Digital Humanities Project, Elise Tanner, Geoffrey Joseph
Digital Initiatives Symposium
Funded by a National Endowment for Humanities (NEH) Humanities Collections and Reference Resources Foundations Grant, the UA Little Rock Center for Arkansas History and Culture’s “Mapping Renewal” pilot project focused on creating access to and providing spatial context to archival materials related to racial segregation and urban renewal in the city of Little Rock, Arkansas, from 1954-1989. An unplanned interdisciplinary collaboration with the UA Little Rock Arkansas Economic Development Institute (AEDI) has proven to be an invaluable partnership. One team member from each department will demonstrate the Mapping Renewal website and discuss how the collaborative process has changed and shaped …
Exposing Nuclear Power Plants, Sophia Austin
Exposing Nuclear Power Plants, Sophia Austin
Copley Library Undergraduate Research Awards
This paper will begin by outlining the eco-justice topic of nuclear power and its resulting nuclear waste, and then move on to examining and making claims about the justice (distributive, procedural, and recognition-based), evidence, and process behind the development and decommissioning of these plants. Through this, we will discover historical and present ties to racism - especially as we explore the relationship between nuclear power and the white racial frame, resulting in the objectification, oppression, and suppression of the voices of Indigenous communities and people of color throughout history and into the present moment. After addressing and reflecting on many …
Gel-Seq: A Method For Simultaneous Sequencing Library Preparation Of Dna And Rna Using Hydrogel Matrices, Gordon Hoople, Andrew Richards, Yan Wu, Albert P. Pisano, Kun Zhang
Gel-Seq: A Method For Simultaneous Sequencing Library Preparation Of Dna And Rna Using Hydrogel Matrices, Gordon Hoople, Andrew Richards, Yan Wu, Albert P. Pisano, Kun Zhang
School of Engineering: Faculty Scholarship
The ability to amplify and sequence either DNA or RNA from small starting samples has only been achieved in the last five years. Unfortunately, the standard protocols for generating genomic or transcriptomic libraries are incompatible and researchers must choose whether to sequence DNA or RNA for a particular sample. Gel-seq solves this problem by enabling researchers to simultaneously prepare libraries for both DNA and RNA starting with 100 - 1000 cells using a simple hydrogel device. This paper presents a detailed approach for the fabrication of the device as well as the biological protocol to generate paired libraries. We designed …
Gel-Seq: Whole-Genome And Transcriptome Sequencing By Simultaneous Low-Input Dna And Rna Library Preparation Using Semi-Permeable Hydrogel Barriers, Gordon Hoople, Andrew Richards, Yan Wu, Kota Kaneko, Xiaolin Luo, Gen-Sheng Feng, Kun Zhang, Albert P. Pisano
Gel-Seq: Whole-Genome And Transcriptome Sequencing By Simultaneous Low-Input Dna And Rna Library Preparation Using Semi-Permeable Hydrogel Barriers, Gordon Hoople, Andrew Richards, Yan Wu, Kota Kaneko, Xiaolin Luo, Gen-Sheng Feng, Kun Zhang, Albert P. Pisano
School of Engineering: Faculty Scholarship
The advent of next generation sequencing has fundamentally changed genomics research. Unfortunately, standard protocols for sequencing the genome and the transcriptome are incompatible. This forces researchers to choose between examining either the DNA or the RNA for a particular sample. Here we describe a new device and method, collectively dubbed Gel-seq, that enables researchers to simultaneously sequence both DNA and RNA from the same sample. This technology makes it possible to directly examine the ways that changes in the genome impact the transcriptome in as few as 100 cells. The heart of the Gel-seq protocol is the physical separation of …
Evaluation Of The Efficiency Of An Arm-Based Beowulf Cluster Versus Traditional Desktop Computing For High Performance Computing, Nicholas Addiego
Evaluation Of The Efficiency Of An Arm-Based Beowulf Cluster Versus Traditional Desktop Computing For High Performance Computing, Nicholas Addiego
Undergraduate Honors Theses
In the realm of scientific computing, it has become increasingly important to focus on results driven growth (Kamil, Shalf and Storhmaier). Doing this enables researchers to continue building the rapidly expanding area of scientific discovery. However, with the growth comes a cost of the amount of resources consumed to accomplish these results. Large supercomputers are consuming power at a rate roughly fourteen thousand times that of a traditional American household (U.S. Energy Information Administration). Parallel to this, public consumers have been driving the mobile industry and the research behind it. The need to have faster and faster mobile devices that …
Developing And Implementing An Online Research Data Repository For Your University Or College Campus, Raymond J. Uzwyshyn
Developing And Implementing An Online Research Data Repository For Your University Or College Campus, Raymond J. Uzwyshyn
Digital Initiatives Symposium
Data-driven research is becoming increasingly important on university and college campuses. Most US federal and many international granting agencies mandatorily require that researchers applying for public grants possess a data management plan and make their research and data publically available through online access. This presentation overviews online research data repositories and implementation strategies for university and college campus libraries. The presentation pragmatically surveys this newer technology landscape and how organizations can begin to think about and implement an online data research repository. This session will survey the landscape but also makes use of practical example from Texas State University and …
Oral History Conversation With Lydell Aaron (Beartha), Alexander Z. Bulkin, Kari Schattinger, Kate L. Gardner, Charbel Mouannes, Danielle Silvaggio
Oral History Conversation With Lydell Aaron (Beartha), Alexander Z. Bulkin, Kari Schattinger, Kate L. Gardner, Charbel Mouannes, Danielle Silvaggio
Philosophy: All Student Work
Oral History Interview conducted with Lydell Aaron. He founded Beartha Systems which builds scalable and smart systems that harness energy and resources for small communities.
Phased Helical Antenna Array For Cubesat Application, Kameron Lacalli
Phased Helical Antenna Array For Cubesat Application, Kameron Lacalli
Undergraduate Honors Theses
CubeSats communication links are typically slow due to their power and size restrictions. However, a low power, high speed down link connection can allow for greater data collection and relaying, pushing the capability of 1U CubeSats beyond what is traditionally thought possible. Investigated here is the feasibility of a 11 Mb/s down link connection on a 1U CubeSat, accomplished via 2x2 helical antenna phased array operating on the 802.11 standard. Using a phased array also allows for beam steering to secure connection with the ground station when the on board ADCS may not provide precise pointing capability of the CubeSat, …
Structure Of Sheared And Rotating Turbulence: Multiscale Statistics Of Lagrangian And Eulerian Accelerations And Passive Scalar Dynamics, Frank G. Jacobitz, Kai Schneider, Wouter J. T. Bos, Marie Farge
Structure Of Sheared And Rotating Turbulence: Multiscale Statistics Of Lagrangian And Eulerian Accelerations And Passive Scalar Dynamics, Frank G. Jacobitz, Kai Schneider, Wouter J. T. Bos, Marie Farge
School of Engineering: Faculty Scholarship
The acceleration statistics of sheared and rotating homogeneous turbulence are studied using direct numerical simulation results. The statistical properties of Lagrangian and Eulerian accelerations are considered together with the influence of the rotation to shear ratio, as well as the scale dependence of their statistics. The probability density functions (pdfs) of both Lagrangian and Eulerian accelerations show a strong and similar dependence on the rotation to shear ratio. The variance and flatness of both accelerations are analyzed and the extreme values of the Eulerian acceleration are observed to be above those of the Lagrangian acceleration. For strong rotation it is …
Nonlinear Dynamics And Anisotropic Structure Of Rotating Sheared Turbulence, Abdelaziz Salhi, Frank G. Jacobitz, Kai Schneider, Claude Cambon
Nonlinear Dynamics And Anisotropic Structure Of Rotating Sheared Turbulence, Abdelaziz Salhi, Frank G. Jacobitz, Kai Schneider, Claude Cambon
School of Engineering: Faculty Scholarship
Homogeneous turbulence in rotating shear flows is studied by means of pseudospectral direct numerical simulation and analytical spectral linear theory (SLT). The ratio of the Coriolis parameter to shear rate is varied over a wide range by changing the rotation strength, while a constant moderate shear rate is used to enable significant contributions to the nonlinear interscale energy transfer and to the nonlinear intercomponental redistribution terms. In the destabilized and neutral cases, in the sense of kinetic energy evolution, nonlinearity cannot saturate the growth of the largest scales. It permits the smallest scale to stabilize by a scale-by-scale quasibalance between …
Free Your Mind-Unlock Your Inner Creativity, Alyssa Black, William Dow, Stephanie Harrison, Adam Kerbs, Katheleen Mcguire, Phillip Stroch, Jessica Urbano, Bradley Chase, Frank G. Jacobitz, Thomas Schubert
Free Your Mind-Unlock Your Inner Creativity, Alyssa Black, William Dow, Stephanie Harrison, Adam Kerbs, Katheleen Mcguire, Phillip Stroch, Jessica Urbano, Bradley Chase, Frank G. Jacobitz, Thomas Schubert
School of Engineering: Faculty Scholarship
Creativity is a major factor in many careers, subjects, and disciplines. Although many people first assume engineering to be a field of study that does not require any creativity, it is actually an essential tool for successful engineers. The mark of a truly accomplished engineer is the ability to problem-solve effectively; in other words, to generate creative solutions. Although the goal as engineers is to become more creative throughout one’s career, is it even possible to gain creativity? Is creativity an innate quality, or a learned one? Since the engineering process demands creativity, we looked into how creativity can be …
An Assessment Of Student Perceptions On The Use Of Multiple Engineering Textbook Editions To Reduce Cost To Students, Frank G. Jacobitz, Thomas F. Schubert, Ernest M. Kim
An Assessment Of Student Perceptions On The Use Of Multiple Engineering Textbook Editions To Reduce Cost To Students, Frank G. Jacobitz, Thomas F. Schubert, Ernest M. Kim
School of Engineering: Faculty Scholarship
No abstract provided.
Influence Of Initial Mean Helicity On Homogeneous Turbulent Shear Flow, Frank G. Jacobitz, Kai Schneider, Wouter J. T. Bos, Marie Farge
Influence Of Initial Mean Helicity On Homogeneous Turbulent Shear Flow, Frank G. Jacobitz, Kai Schneider, Wouter J. T. Bos, Marie Farge
School of Engineering: Faculty Scholarship
Helicity statistics are studied in homogeneous turbulent shear flow. Initial mean helicity is imposed on an isotropic turbulence field using a decomposition of the flow into complex-valued helical waves. The initial decay of the turbulent kinetic energy is weakened in the presence of strong mean helicity, consistent with an analytic analysis of the spectral tensor of velocity correlations. While exponential growth of the mean turbulent kinetic energy is obtained, the mean helicity decays. Probability distribution functions (PDFs) of helicity are skewed and show that the imposed mean helicity prevails throughout the simulations. A wavelet-based scale-dependent analysis shows a trend to …
The Effect Of Nonvertical Shear On Turbulence In A Stably Stratified Medium, Frank G. Jacobitz, Sutanu Sarkar
The Effect Of Nonvertical Shear On Turbulence In A Stably Stratified Medium, Frank G. Jacobitz, Sutanu Sarkar
School of Engineering: Faculty Scholarship
Direct numerical simulations were performed in order to investigate the evolution of turbulence in a stably stratified fluid forced by nonvertical shear. Past research has been focused on vertical shear flow, and the present work is the first systematic study with vertical and horizontal components of shear. The primary objective of this work was to study the effects of a variation of the angle θ between the direction of stratification and the gradient of the mean streamwise velocity from θ=0, corresponding to the well-studied case of purely vertical shear, to θ=π/2,corresponding to purely horizontal shear. It was observed that the …