Digital Commons Network^™

Qualitative Insights From Dod's Cost Community: Data Visualization Challenges And Recommendations, Izel N. Reyes

Theses and Dissertations

Data visualization plays a significant role in decision-making for military leadership. Cost organizations create and utilize data visualizations to reap cost-saving benefits, boost productivity, and expedite task processes. Our research aims to support the development of such tools and provide insights from cost leadership. To do this, we conducted semi-structured interviews with cost professionals to learn how cost professionals manage and view their data, as well as what day-to-day challenges they face while working in the cost community. We used grounded theory for the interview process to detect common trends and attempted to generate new theory from the interview data. …

Estimating Stimulated Raman Scattering Noise In Cwdm O-Band Channels Induced By Two Classical Dwdm Sources In A Quantum Network Fiber Segment, Kurt T. Spranger Ii

Theses and Dissertations

The purpose of this research is to estimate the stimulated Raman scattering noise induced in CWDM O-band channels by two DWDM classical sources in a terrestrial quantum optical network containing classical and quantum optical signal coexistence in the same fiber segment. A use case is defined and analyzed which extracts a single fiber segment from a notional Bell state measurement found in a notional terrestrial quantum network. A stimulated Raman scattering noise model is employed in a Python simulation to estimate and rank-order the five O-band channels with the least amount of relative induced stimulated Raman scattering noise when given …

Deploying Field-Capable Genome Sequencing: Human Performance Considerations Under Various Personal Protective Equipment Ensembles, Steven A. Torres

Theses and Dissertations

Field-portable genome sequencing enhances the Department of Defense's strategy for detecting biological threats, particularly in resource-limited environments. While current field-capable detection methods are effective, challenges in identifying emerging threats pose risks to personnel safety. As biotechnological advancements like portable nanopore genome sequencing can advance biological detection capabilities, the viability of conducting laboratory tasks under Mission-Oriented Protective Posture (MOPP) ensembles lacks sufficient data. This research assesses the effectiveness of tools like pipettes, centrifuges, vortexes, and nanopore sequencing within a MOPP ensemble. Novice participants were utilized to explore the extension of this capability, and they completed tasks in three conditions: Fatigues, Laboratory …

Generalized Characterization Of Biaxial Media Using Ultra-Wideband Multi-Static Focused Beam System With Polarimetric Calibration, Jeffrey P. Massman

Theses and Dissertations

Novel metamaterial and metasurface realizations provide unique control of the electromagnetic wave dispersion but present many challenges for accurate constitutive parameter extraction. One measurement approach commonly employed is a freespace non-destructive focus beam system. Modern implementations are configured with multi-static dual-polarized capabilities for characterizing complex materials and offer many advantages by enabling ultra-wideband sampling, multiple measurement degrees of freedom and larger sample sizes. Practical electromagnetic material characterization of complex bianisotropic media requires the advancement of wave propagation analysis and calibration schemes. This research focuses on generalized biaxial media characterization and multi-static focused beam system metrology with polarimetric calibration schemes and …

Life Cycle Analysis Of Mobile Nuclear Reactor Compared To Other Alternative Fuels In Indopacom, Maria J. Hurtado

Theses and Dissertations

Energy is an item that makes the military vulnerable as it is something that they depend on the most which can have negative impacts. Mobile nuclear reactors are gaining the interest of many leaders in the military as a viable option of a potential alternative fuel source. There are many positives in utilizing mobile nuclear reactors in terms of environmental impacts and feasibility of transport. Studies have shown that mobile nuclear reactors can produce very low or negligible carbon emissions during operations. The focus of this thesis is to determine the environmental impacts of nuclear reactors, logistical requirements, and determine …

Utilization Of The System Engineering Design Process To Design And Test A Low-Cost Infectious Aerosol Control Mechanism For Patient Aeromedical Evacuation, Sara Shaghaghi

Theses and Dissertations

The aeromedical evacuation of military patients is a critical component of care for Armed Forces members. The Air Force’s ability to transport patients relies on the technology and systems available. A vital transport responsibility is keeping the patient and medical personnel safe during transport. The historical and legacy systems provide reliable transport mechanisms for the Armed Forces’ patients infected with high-level biological agents, but drawbacks must be considered. This dissertation will discuss the development, conceptual design, and initial evaluation of a new low-cost, litter-mounted patient transport system, Biological-Mitigation in Patient Transport (B-MIPT), using the “V” model of the system engineering …

Advanced Oxidation Of Methyl Tert Butyl Ether With Ultraviolet Light Emitting Diodes, Aaron R. Neal

Theses and Dissertations

Methyl Tert-Butyl Ether (MTBE) is a volatile, soluble, organic compound introduced to gasoline within the United States as a fuel oxygenator in 1979. MTBE is a common groundwater pollutant due to its high water solubility and resistance to bio-degradation; it commonly infiltrates groundwater sources via leaking underground storage tanks or fuel spills. This research employed ultraviolet light emitting diodes (UV-LEDs) and hydrogen peroxide (H₂O₂) induced advanced oxidation process (AOP) to treat MTBE contaminated water at the bench scale. Using four H₂O₂:MTBE molar peroxide ratios (100:1, 200:1, 400:1, 500:1), MTBE degradation was induced …

Spectroscopic Characterization Of Trivalent Holmium In Liyf4 And Bay2F8 Crystals, Vivian R. Hedberg

Theses and Dissertations

Yttrium-fluoride crystals doped with trivalent holmium are promising laser gain media for mid-infrared laser systems. To accurately model laser systems, a complete optical characterization of the laser gain medium is required. The key modeling parameters were obtained by a spectroscopic investigation of Ho³⁺ in LiYF₄ and BaY₂F₈ crystal hosts. Several important mid-infrared laser transitions were characterized at nominal Ho³⁺ ion concentrations of 10-30 at.%. Polarized emission cross-sections were determined from the fluorescence spectra using the Füchtbauer-Ladenburg method. Polarized absorption cross-sections were obtained using the Integral Reciprocity method. The upper-state lifetimes were measured at room …

Building A Bridge Between Punitive And Restorative Practices: A Comparative Study Of Best Practice Models For Restorative Justice Within Student Conduct In Higher Education, Justin Stern

Theses and Dissertations

This study analyzes several leading restorative practices programs in Higher Education as they relate to student conduct. The purpose of this study is to craft a best practice model of restorative justice within the framework of student conduct work in higher education. This study uses a qualitative approach to establish the learning outcomes of restorative justice on a college campus, as well as how this practice is operationalized. The study also reviews the general and possible implications future research of such a paradigm shift within student conduct in higher education.

Statistical Reliability Estimation Of Space Launch Vehicles, Brooke N. Wagenblast

Theses and Dissertations

Space launch vehicle reliability is imperative to understand since launch vehicles are crucial in getting payloads into space for a hopefully successful mission. This thesis examines the reliability of commercial, civil, and military space launch vehicles through trend analysis and a variety of statistical methods. Data sets obtained from the Seradata database are analyzed for trends by looking at data subsets including launch date, launch country, final mission orbit, section (commercial, civil or military), launch vehicle family and failed subsystem. First-level Bayesian analysis and mean success rates are performed, primarily split up by launch vehicle family and total launches, and …

A Comparative Study Of The Business Models Used In The U.S. And Saudi Arabia Firms In Relation To Venture Capital, Abdulmajeed Ali Alkthiri

Theses and Dissertations

While venture capital (VC) has expanded globally, challenges in comparing international VC strategies remain due to data limitations and theoretical variability. This study contrasts VC investment philosophies, support mechanisms, and exit strategies in mature US firms with those in developing Saudi Arabia from 2016-2021. Analyzing fundraising, sector focus, deal volume, and exit outcomes, it finds significant differences attributed to ecosystem maturity, with some convergence in contracting and mentoring. The findings highlight the need for US VC models to adapt strategically in Islamic markets, suggesting regulatory reforms for market development. This research provides guidelines for effective cross-border VC strategy adaptation.

Machine Learning Spacecraft Pose Estimation With Realistic Illumination, Aaron Gettemy

Theses and Dissertations

Rendezvous, Proximity, Operations, and Docking (RPOD) are proliferate in space applications such as on-orbit servicing and refueling. As a chaser spacecraft approaches, it needs to know the relative pose of the target spacecraft. This paper proposes an approach that uses the following structure: 1) known 3-dimensional model data of the spacecraft, 2) a visualization engine to acquire local body space features and generate synthetic imagery, 3) a Convolutional Neural Network (CNN) to detect features from imagery, and 4) a Perspective-n-Point (PnP) solver for pose estimation. Furthermore, lighting conditions play a significant role in the CNN’s ability to identify features, which, …

Using An Anti-Deficit Framework To Explain The Academic Achievement Of Black Men In Higher Education: A Narrative Inquiry, Donald E. Reed

Theses and Dissertations

This dissertation explores the academic experiences of Black men who have completed their bachelor's degrees at predominantly white institutions (PWIs), utilizing an anti-deficit perspective. Despite the reality that only 36% of Black men achieve their undergraduate degrees within six years, this study shifts the narrative from focusing on obstacles to emphasizing success strategies, aiming to narrow the opportunity gap between Black men and their White peers. Through narrative inquiry and the Anti-Deficit Achievement Framework, this research not only showcases the resilience and determination of these individuals but also illuminates the varied strategies they employ to navigate their higher education journey …

An Interpretive Phenomenological Analysis Of Leadership Development For College Students In An Army Rotc Program, Joseph O. Gagnon

Theses and Dissertations

Understanding the learning behaviors for young leaders from Generation Z is important for the United States Army in their development for future commissioned officers, who are primarily trained in the Reserve Officer Training Corps (ROTC) in select private and public universities across the country. The Army expectation of leaders at every level regardless of rank are to possess and continuously develop six leadership capabilities codified in the Army Leadership Requirements Model (ALRM). The ALRM describes what an Army leader is (i.e., the attributes) and what an Army leader does (i.e., the competencies). The purpose of this study was to understand …

Consumers' Acceptance To Buy And Dispose Of Recycling Textile Products, Roa Alsayed

Theses and Dissertations

The textile industry is the second most polluting worldwide, following food manufacturing. It is one of the industries that is rarely scrutinized in the Middle East and North Africa (MENA) region. This work analyzes the fashion industry from the perspective of consumer attitudes towards the purchase and disposal of clothing, and their behavior with regards to old garments. The study was conducted in Saudi Arabia and Egypt, two countries that achieved similar results in the fashion industry. The methodology is divided into three phases. First, the manuscript begins with a review of topics such as sustainability, consumer behavior in the …

Moving Through The Violence: Yemeni Migrants And The Reconstruction Of Lifeworlds In Cairo, Jonathan Hearn

Theses and Dissertations

This Master’s thesis is based on an ethnographic study, following the lives of a small number of Yemeni people rebuilding their lives in Cairo. Their displacement is the consequence of many factors not least the outbreak of war in 2014. In response to this, I ask: In the midst of ongoing conflict, how do Yemeni migrants go about reconstructing their lifeworlds in Cairo? That is, to ask how are Yemeni migrants in Cairo responding to the violent disruption of their social realities and what sense are they making of the consequences. The reorganisation of social realities disrupted by conflict means …

University Students' Wellbeing: A Case Study Of An International Private University In Egypt, Alia Attia

Theses and Dissertations

Wellbeing is a crucial topic that is gaining increasing attention in higher education and should be taken into careful consideration. This is a qualitative case study, using a phenomenological approach, which explores the phenomenon of student wellbeing in an international private university in Egypt. Data was collected through semi-structured individual interviews with a total of fourteen participants: eight purposefully selected students who have taken part in wellbeing programs, initiatives, or events at the American University in Cairo (AUC), as well as six faculty/staff members, leaders, mentors, or coaches in the field were interviewed. In addition to the interviews, conversations were …

The Clash Of Sustainable Development Goals With The Reality In Egypt: The Role Of The Media On The Perception Of Clean Energy Implementation., Nourhan Salah Hamed Ebrahim

Theses and Dissertations

Media has promoted sustainable development goals as essential for a country's social, economic, environmental, and political development. However, the SDGs may collide with the reality and impede development due to certain circumstances and challenges that might hinder the country’s ability to achieve these goals the same way they planned for. Besides, such challenges are not being covered in the media agenda, addressed by the government, or even been tackled in previous research. Thus, this study aims to examine whether there is a conflict between the SDGs and the reality in Egypt, focusing on SDG 7 (Clean Energy) by analyzing the …

Popular Culture And Nationalism In Post-Revolutionary Egypt, Nour Fadel

Theses and Dissertations

The relationship between nationalism and loyalty to the political regime is a widely discussed topic, especially when it comes to the Middle East. The complex political history and persisting authoritarian rule in the region make analyzing the role that nationalism plays more vital. The case of Egypt is a clear example of how nationalist identities are used to strengthen loyalty to the regime and stabilize it. This can be done through many tools, such as organizing extravagant, performative events or creating new, nationalist provinces. This thesis focuses on the employment of nationalistic songs and television shows and their impact on …

Swipe For More: Digital Sex Education, The Emergence Of Femtech And The Neoliberal Subject In Cairo, Egypt, Marisa Breathwaite

Theses and Dissertations

In this thesis, I approach digital sex education in Cairo, Egypt and how it is navigated by Cairo’s urban elite. The way digital sex education in Cairo is consumed via social media and online courses is touted as “new” by popular media coverage. The content, products and services boast the first of their kind by the creators of the platforms themselves. That middle and upper class Cairene women are talking about sex online and consuming digital sex education content, in visible public forums, is portrayed as a completely novel phenomenon—in other words, platforms like Cairo’s first femtech company, Motherbeing, are …

Daughters And Fathers In Memoirs: Najla Said And Fatima Bhutto, Yasmina Bakry

Theses and Dissertations

The father-daughter relationship has always been crucial in shaping the identity of the daughter. Daughters inevitably inherit their fathers’ personal trauma, and in the case of the daughters of activists, national trauma as well. Throughout childhood, adolescence, and adulthood, daughters struggle to depoliticize their famous fathers, as well as assert their individuality amidst the overshadowing activism of their fathers and conflictual history of their nations. To heal the daughters’ identity fissures, they embark on a journey to chronicle memories of their fathers throughout their lives and critically assess their fathers’ cultural, social and political heritage and identity. This thesis will …

What Is Beyond Graduation For Mena Scholarship Alumni? Understanding The Global Journeys Of Tomorrow’S Leaders Scholarship Alumni, Albaraa Quradi

Theses and Dissertations

The research conducted by the author delves deeply into the migration experiences of students from the Middle East and North Africa (MENA) region, with a specific focus on graduates of the Tomorrow's Leaders scholarship program. Through the use of a case study methodology, the study investigates the complex interconnections between migration, development, inequality, and the students' countries of origin.

The investigation critically analyzes the aftermath of pursuing higher education on a scholarship basis, shedding light on how migration experiences are intertwined with broader issues of development and inequality in the MENA region. Furthermore, the research examines the factors that drive …

Experiences Of Female Academic Leaders In Higher Education: A Case Study In Cairo, Amina Sabour

Theses and Dissertations

Such as in many contexts, the gender gap in higher education leadership persists universally. Women are still underrepresented despite the contributions they demonstrate in leading higher education institutions. This study aims to contribute to the area of research in this regard by exploring the experiences of female academic leaders in Cairo, Egypt. It specifically highlights the challenges these women face, and how they manage to overcome it. Using a qualitative approach to deeply explore the phenomenon, ten interviews were conducted with female leaders at the American University in Cairo. Looking through the lens of intersectional feminism, under the umbrella of …

Abundant Bodies In Times Of Excess: A Critical Exploration Of Fatness From Cairo To Tokyo, Sarah Aly

Theses and Dissertations

This work is an autoethnographic exploration of the social construction of fatness in contexts of existing and emerging neoliberal state control through the embodied experiences of fat people, following the tradition of ‘fat epistemology’ promoted by the emerging 'critical fat studies' field. It is a comparative study of the experiences of fatness as an unstable embodied category of being, rather than a liminal undesirable state or medical condition, in Cairo, Alexandria, and Tokyo, paying particular attention to the gender, racial, and class dynamics surrounding the construction (and marginalization) of fatness across various spatial and temporal contexts. These experiences are considered …

Green Fame On Tiktok Analyzing Digital Persuasion Appeals On Climate Change Discourse Among The Public And Youth., Sherry Ayad

Theses and Dissertations

In a constantly changing media ecosystem, TikTok is gaining prominence and attention, particularly among youth and Gen Z. The platform’s unique affordances are recently being utilized by young voices to promote self-expression and social activism. Consequently, TikTok’s changing nature is giving space for serious social and political issues impacting the future of young generations on topics such as climate change. By analyzing the top N=400 TikTok videos from the 27th Conference of the Parties (COP27) to the 28th Conference of the Parties (COP28), this study contributes to rare knowledge of utilizing TikTok’s affordances in scientific and political topics such as …

Exploring Purpose, Practices, And Impacts Of Non-Formal Education In Egypt, Mariam Hussien Sayed Abdelhamid

Theses and Dissertations

This research explores non-formal education in Egypt, analyzing its alignment or divergence with prevalent human capital and modernization discourses. Using a narrative approach, the study explores the practices of four organizations that offer non-formal education opportunities in greater Cairo: San3a Tech, Wataneya Society, Alwan wa Awtar, and AlAthar Lina. The study explores the narration of 9 educators and 10 learners from these organizations to understand from educators’ perspectives how they design their experiences and its relation to the culture and needs of the targeted audience. It also looks at what kind of impact do these experiences have on the learners. …

Postal Delivery Systems And Cryptomarkets, Trevor Lewandowski

Theses and Dissertations

This thesis utilizes quantitative methods to evaluate the relationship between the level of development of state postal delivery systems and the number of drug sales originating on dark web cryptomarkets. I use data from the United Nations Universal Postal Union on state postal system operating expenditures to convey postal system development and compare it to the country-of-origin and acceptable countries-of-destination listed on cryptomarket drug postings. The cryptomarket drug postings being used were collected by previous scholars from a leak on Agora from 2014-2015. This dataset contains 96,286 observations of cryptomarket-based drug transactions. This paper expected to find that moderately developed …

Study On The Rights Of Parties In Live-In Relationships In India - A Case Review Approach, Prabhavathi N

Theses and Dissertations

Heterosexual live-in relationship is viewed as a stigma in Indian society. However, through a plethora of judgments, the Apex Court of India granted monetary relief and physical protections to couples in live-in relationships. While so a few High Courts had refused to grant protection to the live-in couples by stating that giving such rights and protection would destroy the country's social fabric.

View of such High Courts reflects on the opinion that our Courts indeed have different ideas while granting reliefs to persons in live-in relationships. Catena of judicial decisions explained this relationship as a "walk in and walked out" …

Investigating Language Ideologies And Attitudes Towards Dubbing Disney Movies Into Arabic, Nouran T. Soliman

Theses and Dissertations

This research delves into the analysis of online discussions surrounding the dubbing of Disney movies into two Arabic varieties: Modern Standard Arabic (MSA) and Egyptian Colloquial Arabic (ECA). The objective is to uncover the language ideologies and attitudes taken by Disney fans online. Dubbing Disney movies into these two varieties has sparked numerous debates on social media, particularly on Facebook. The study employed stance-taking to analyze the metalinguistic comments made by Facebook users about the use of these two Arabic varieties in the context of Disney. A Verbal Guise Technique (VGT) experiment was conducted on Disney excerpts to complement the …

Illuminating How Nestling Mouth Color And Body Size Shape Parental Care In A Cavity-Nesting Species, Shana Border

Theses and Dissertations

Young animals often solicit care from their parents using behaviors and morphologies collectively termed begging, and for many nestling birds these begging displays include presenting their parents with vividly colored mouthparts. Mouth color is a complex trait that varies both across and within species, and different aspects of color may be under independent selection and serve different functions; the two primary proposed explanations for the evolution of mouth color are to increase nestling conspicuousness to parents and to provide parents with information about nestling quality. In addition to signals like mouth color, parents could also directly assess traits like nestling …