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Articles 211 - 240 of 2858
Full-Text Articles in Engineering
Microwave Synthesis And Characterization Of Fe2ptge Nanoparticles, Ally T. Fennell, David Carnevale
Microwave Synthesis And Characterization Of Fe2ptge Nanoparticles, Ally T. Fennell, David Carnevale
Chemistry Theses
Magnetic, semiconductor, and spintronic materials are vital to the functionality of devices from household appliances and sensors to medical and computing systems. This study discusses a novel synthesis and characterization of nanoscale Fe₂PtGe nanoparticles. The material was synthesized using microwave irradiation (175oC, 5 minutes) and characterized using XRD, XRF, TEM, and VSM. XRD of the synthesized particles correlates to a cubic crystal structured, indicating a face-centered cubic (fcc) platinum structure with iron and germanium incorporated in a disordered manner. XRF confirms the presence and relative ratios of iron, platinum, and germanium species. TEM imagery shows spherical nanoparticles with an average …
Design New Stage For Vacuum Pin On Disk, Miranda Boyd
Design New Stage For Vacuum Pin On Disk, Miranda Boyd
Williams Honors College, Honors Research Projects
For my senior design project, I am redesigning the moving stage for the vacuum pin-on-disk test used in the Akron Engineering Tribology Lab. This system is used to evaluate bearings and lubricants for aerospace applications under controlled vacuum conditions. The current stage design limits flexibility when adjusting for different testing parameters, so my goal is to develop a new movable stage that allows for varying weights and loads to be applied accurately and safely. The redesigned stage will improve test efficiency, adaptability, and precision, ensuring the system can accommodate a wider range of experimental conditions and materials while maintaining compatibility …
Large Telescope Mount For Long Exposure Photos, Payne M. Landis, Anna J. Gray
Large Telescope Mount For Long Exposure Photos, Payne M. Landis, Anna J. Gray
Williams Honors College, Honors Research Projects
When viewing the stars through a telescope, it is common that the object you are viewing drifts out of view. Many amateur astronomers seek to capture long exposure images of the stars, planets, and galaxies with commercially available sky tracking telescope mounts. The complication is that these telescope mounts are both incredibly expensive and have low weight limits. These issues limit accessibility to these products based on the telescope. For each person, telescope parameters determine the amount of light and magnification that can be viewed, which then determines exposures time for adequate photo results. The options on the market for …
Evaluating High-Strength Steel Welded Connections For Future Aws Welding Standards, Parker Minter
Evaluating High-Strength Steel Welded Connections For Future Aws Welding Standards, Parker Minter
2026 Research Poster Competition
Welding plays a critical role in many civil engineering applications as it is a common method used to connect structural steel components. Because of how widespread the practice is, the American Welding Society (AWS) has developed a set of standardized welding guidelines to ensure consistent quality in structural welds. These standards allow common weld types to be fabricated using pre-approved procedures (e.g. welding materials, temperatures, and positions). Recently, high-strength structural steels have begun to be available domestically. Current AWS standards do not allow for high strength steels (yield strength greater than 80ksi) and need to be evaluated for the inclusion …
Unmanned Aircraft Vehicle Safety Reporting And Analysis Of Incidents Utilizing Machine Learning, Cody Harrison
Unmanned Aircraft Vehicle Safety Reporting And Analysis Of Incidents Utilizing Machine Learning, Cody Harrison
2026 Research Poster Competition
Unmanned Aerial Vehicles (UAVs) are rapidly evolving and being integrated into a wide range of applications, from commercial deliveries to police surveillance and recreational use. As UAVs become more prevalent, the complexity of operations and potential for incidents or accidents will continue to increase. Understanding why these incidents and accidents occur is critical to ensure safe and reliable drone operations as the industry continues to grow. To combat these issues, it is invaluable to analyze UAV incidents quantifiably to identify leading causes and risks in a streamlined and efficient matter. Current manual reporting systems often struggle with the sheer volume …
How Do Different Flight Training Programs Impact Pilot Proficiency?, Abigail Henson
How Do Different Flight Training Programs Impact Pilot Proficiency?, Abigail Henson
2026 Research Poster Competition
The Federal Aviation Administration (FAA), founded in 1958, ensures safe and efficient use of national airspace by regulating aircraft and pilot certification, setting standards for airports, and managing the National Airspace System. One such regulation is in the certification process for aspiring student pilots. Students who want to obtain their private pilots license can do so by picking either a Part 61 or Part 141 flight school. While both lead to the same certification, these two options differ significantly in terms of structure; Part 61 programs offer flexibility with their individualized approach and fewer requirements while Part 141 schools follow …
Analysis Of Loss Of Engine Power Events In General Aviation, Saloni Satappagol
Analysis Of Loss Of Engine Power Events In General Aviation, Saloni Satappagol
2026 Research Poster Competition
Among different parts of aviation, general aviation (GA) stands out as one of its largest and most vital sectors. GA is defined as any civil aviation activity excluding scheduled commercial flights and military operations. While loss of engine power is a serious subset of general aviation accidents, accounting for more than 200 fatal accidents per year, several gaps remain in our current understanding of these accidents. While current literature includes older studies from 2000-2014, new data from the past decade have not been analyzed for trends yet. With this significant gap of more than a decade in understanding, it is …
Monitoring Eye Movements To Assess The Impact Of Sensory Feedback On Cognitive Workload During Myoelectric Prosthetic Hand Use, Naomi Tchoungang, Hailey Dirrigl, Justin Asbee
Monitoring Eye Movements To Assess The Impact Of Sensory Feedback On Cognitive Workload During Myoelectric Prosthetic Hand Use, Naomi Tchoungang, Hailey Dirrigl, Justin Asbee
2026 Research Poster Competition
Modern prosthetic hands allow users to grasp and manipulate objects, but many users must constantly watch the device to complete even simple tasks. This heavy reliance on vision increases cognitive effort, slows movement, and makes prosthetic use feel less natural. An important question in prosthetics research is whether providing sensory feedback (enabling users to feel what the prosthetic hand is doing) can reduce this cognitive load and improve performance. In this study, sensory feedback refers to a system that provides clear tactile cues to the user upon contact between the prosthetic hand and an object, helping replace information normally felt …
Assessing Mesenchymal Stem Cell Phenotype After Heparan Sulfate Supplementation, Isani Patel
Assessing Mesenchymal Stem Cell Phenotype After Heparan Sulfate Supplementation, Isani Patel
2026 Research Poster Competition
Multiple sclerosis is an autoimmune disease that damages the protective coating of nerves, often causing lasting neurological symptoms. Current treatments slow disease activity but rarely repair existing damage. In response to this, a novel treatment option has emerged: mesenchymal stem cell (MSC) therapy. MSCs are cells found in different adult tissues like bone marrow, and they have the potential to release repair-supporting signals and moderate inflammation. Nevertheless, results in a clinical setting have been inconsistent due to variations in cell potency. As a potential strategy to enhance MSC therapeutic potential, the addition of heparan sulfate, a naturally occurring signaling molecule, …
Cardiovascular Monitoring For Maternal Health Using Wearable Devices, Daniela Alejandra Vasquez
Cardiovascular Monitoring For Maternal Health Using Wearable Devices, Daniela Alejandra Vasquez
2026 Research Poster Competition
Cardiovascular disease represents the leading cause of pregnancy-related mortality in the United States, accounting for over 30% of maternal deaths, with preeclampsia and hypertensive disorders contributing significantly to this burden. In Arkansas, maternal mortality rates reach 41.9 deaths per 100,000 live births. Current prenatal care relies on intermittent office-based blood pressure measurements conducted during 12-14 clinical visits, may not capture critical cardiovascular changes in a timely manner. Preeclampsia is characterized by new-onset hypertension after 20 weeks of gestation, affects 3-7% of pregnancies, and requires early detection to enable timely intervention. The limited accessibility of ambulatory blood pressure monitoring in rural …
Uav-Based Sensor Integration For In-Situ Lake Water Quality Monitoring, Alec Campbell
Uav-Based Sensor Integration For In-Situ Lake Water Quality Monitoring, Alec Campbell
2026 Research Poster Competition
Current water quality assessment methods rely heavily on manual sampling and laboratory analysis, which are time-consuming and difficult to perform in remote or hazardous environments. In surface water monitoring, spatial and temporal resolution is often constrained by labor, access, and logistical limitations of manual sampling programs. This research aims to develop a drone-based system for real-time, in situ lake water quality monitoring. To address these challenges, the project focuses on integrating multiple water quality sensors, including oxidation-reduction potential (ORP), pH, electrical conductivity (EC), turbidity, and a multispectral spectrometer, into a compact, UAV-compatible design capable of collecting spatially referenced data. Methods: …
Enhancing Prosthetic Hand Training Through A Virtual Reality–Based Framework Integrated With The Coapt Control System., Iruoghene Ojoh
Enhancing Prosthetic Hand Training Through A Virtual Reality–Based Framework Integrated With The Coapt Control System., Iruoghene Ojoh
2026 Research Poster Competition
Enhancing Prosthetic Hand Training Through a Virtual Reality–Based Framework Integrated with the Coapt Control System. Ojoh, I.1,2, Shell, A.1, Asbee, J.1, Aguilar, D.1 ,Abbas, J.1,2, 1Institute for Integrative and Innovative Research, University of Arkansas, Fayetteville, AR; 2Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR Introduction: Advances in upper-limb prosthetic hardware have greatly improved strength, durability, and mechanical performance; however, achieving intuitive control of EMG-based myoelectric prosthetic hands remains a significant challenge for individuals with trans-radial amputations. These devices rely on electromyography (EMG) signals generated by residual forearm muscles, which require consistent and well-coordinated muscle activation. Many users experience difficulty …
A Probabilistic Approach To Multiscale Simulation: Evaluating Machine-Learned Backmapping Models Of Diphenylalanine, Sage Paschall
A Probabilistic Approach To Multiscale Simulation: Evaluating Machine-Learned Backmapping Models Of Diphenylalanine, Sage Paschall
2026 Research Poster Competition
Diphenylalanine (FF) has demonstrated the tendency to form several nanostructures, a subset of which are electrically conductive and have exciting potential applications in biotechnology and nanoelectronics. However, the exact mechanisms underlying this self-assembly process remain largely ambiguous. Atomistic-scale molecular dynamics (MD) simulations allow for the evaluation of atomic-level interactions crucial in understanding the driving thermodynamic forces behind self-assembly, but are too computationally expensive to span the necessary timescale to observe the self-assembly process in action. Coarse-grained (CG) models allow for simulation at the appropriate timescale but come at the cost of vital atomistic detail. It is therefore important to develop …
Flair- Flow-Level Anomaly Intrustion Recognition, Joseph Dumond
Flair- Flow-Level Anomaly Intrustion Recognition, Joseph Dumond
2026 Research Poster Competition
Industrial control systems (ICS) and industrial Internet of Things (IIoT) networks support critical infrastructure such as power generation, water treatment, and manufacturing. As these systems become more connected, they are increasingly exposed to cyber threats. However, many existing intrusion detection approaches rely on detailed packet inspection or supervised machine learning techniques that require labeled attack data and extensive tuning, making them difficult to deploy in real industrial environments.ICS networks typically generate highly regular and predictable communication patterns due to periodic control logic and deterministic device behavior. Because of this structure, abnormal or malicious activity often appears as a disruption to …
When Relevant Isn’T Readable: Evaluating Cognitive Accessibility In Search, Kaija Frierson
When Relevant Isn’T Readable: Evaluating Cognitive Accessibility In Search, Kaija Frierson
2026 Research Poster Competition
According to the World Health Organization, more than one billion people worldwide experience some form of disability. Many of them may affect cognitive processing and reading comprehension rather than vision or mobility, which creates barriers when accessing written information online. Web search is a critical modern literacy skill used for learning, decision-making, and everyday problem solving, yet most search systems are designed with the assumption that all users can process complex written language equally. As a result, people with dyslexia, other cognitive disabilities, low literacy levels, or who are English language learners may struggle to access relevant information even when …
Monitoring Streambank Morphology Using Iphone Lidar Technology, Lily C. Stitt
Monitoring Streambank Morphology Using Iphone Lidar Technology, Lily C. Stitt
2026 Research Poster Competition
Monitoring stream morphology is crucial for maintaining the health and safety of fluvial environments, particularly as these naturally dynamic systems are shifted out of equilibrium due to climate and land-use change. Quantifying these changes in stream geometry is useful for infrastructure design, water quality assessment, water resource management, and stream restoration, among other applications. Traditional stream surveying methods contain limitations that inhibit affordable and accessible stream surveying needed for evaluating fluvial systems with high accuracy and large data samples. In recent years, several advancements have been made in the use of Light Detection and Ranging (LiDAR) technology as an alternative …
P4 Driven Data Plane Analytics For Industrial Control Network Security, Haden Fowler
P4 Driven Data Plane Analytics For Industrial Control Network Security, Haden Fowler
2026 Research Poster Competition
Industrial control systems manage critical infrastructure such as power grids, water treatment plants, and manufacturing facilities. These systems rely on specialized network protocols to send measurements and commands between sensors, controllers, and operator workstations. Protecting these networks from cyberattacks is essential because a successful intrusion could disrupt services that millions of people depend on daily. Most current security monitoring approaches analyze copies of network traffic after it has already passed through the system. This delay means that malicious commands may reach their targets before any alarm is raised. More importantly, when alerts do occur, operators often lack the evidence needed …
Analysis Of Potential Alkali Reactivity Of Aggregates In Arkansas, Brigita Dowling
Analysis Of Potential Alkali Reactivity Of Aggregates In Arkansas, Brigita Dowling
2026 Research Poster Competition
Alkali Silica Reaction (ASR) is a deleterious chemical reaction in concrete that leads to the deterioration of concrete structures. This reaction occurs between minerals present in aggregates and alkalis in the cement, and produces a gel-like substance called alkali silicate gel. Gradually, these gels absorb water from the environment and expand, leading to internal stresses in the concrete. This damage results in expansion, cracking, and deformation, reducing the strength and durability of the concrete significantly. While this damage appears minor initially, eventually they can lead to the need for costly repairs or replacement of the concrete. ASR has been observed …
Development Of A Scalable 32x32 Capacitive Sensing Array Using Fpga Controlled Multi-Bus I2c Communication, Jonathan Digby
Development Of A Scalable 32x32 Capacitive Sensing Array Using Fpga Controlled Multi-Bus I2c Communication, Jonathan Digby
2026 Research Poster Competition
High-resolution capacitive sensor arrays are widely used in applications such as robotics, wearable devices, and biomedical devices where accurate detection of touch, proximity, and motion is crucial. As these systems are scaled up to achieve higher resolutions, challenges pertaining to communication reliability, data synchronization, and system latency become more important. Capacitive sensor arrays detect changes in capacitance caused by disturbances in nearby electric fields. While these arrays are effective at small scales, large arrays often suffer from signal degradation and latency when all sensors rely on a single controller and communication bus. This research addresses these challenges by developing a …
Seeing Feedback Differently: Enhancing Learning Through Individualized Video Feedback, Makenzie Khristine Keepers
Seeing Feedback Differently: Enhancing Learning Through Individualized Video Feedback, Makenzie Khristine Keepers
2026 Scholarly Teaching Conference: Concurrent Session Papers
Students often seek feedback that goes beyond rubric scores, especially for complex assignments like project reports where expectations are nuanced. Transitioning from lengthy written comments to personalized video responses has proven to be an effective alternative. These videos provide students with clear explanations of strengths and areas for growth, while walking them through their work in detail. Feedback from learners suggest that video feedback feels more comprehensive and accessible, helping them better understand mistakes and apply corrections. Importantly, producing video feedback requires comparable effort to traditional written comments, yet offers greater impact for formative assessments that shape performance on summative …
Infrared Simulation, Sophia Zhou, Ashton Hoo, Tyler Ricks, Sebastian Fox, Kathy Phu
Infrared Simulation, Sophia Zhou, Ashton Hoo, Tyler Ricks, Sebastian Fox, Kathy Phu
Undergraduate Research Posters
Infrared image recognition is more difficult than visible-spectrum recognition due to limited high-quality training data. This project addresses that challenge by generating simulated infrared images using temperature-driven rendering in Unreal Engine and other 3D software. These simulations can support applications such as health monitoring, heat detection in mechanical and structural systems, thermal regulation, and engineering process control.
International Engineering Education In Turbulent Times: Reflections, Strategies, And Visions In Honor Of John M. Grandin, Sigrid Berka, Mark W. Rectanus
International Engineering Education In Turbulent Times: Reflections, Strategies, And Visions In Honor Of John M. Grandin, Sigrid Berka, Mark W. Rectanus
Journal of International Engineering Education
At a time when private and public universities are facing the potential of significant cuts in federal funding for research and education, international engineering education programs need to navigate the turbulent landscape facing higher education at large and consider how they might reposition themselves within it. In this collection of essays dedicated to the memory, vision and legacy of the late Dr. John Grandin, we remind international educators that by mobilizing innovative thinking and an entrepreneurial spirit they can propel change in a seemingly deadlocked academic landscape. We have asked some of Dr. Grandin’s colleagues – who have led interdisciplinary, …
Impact Of The International Engineering Program (Iep) At The University Of Rhode Island (Uri): What’S In It For Languages And For Engineering?, Sigrid Berka
Journal of International Engineering Education
No abstract provided.
International Engineering Education In Turbulent Times: Concluding Observations And Selected Publications By John M. Grandin, Sigrid Berka, Mark W. Rectanus
International Engineering Education In Turbulent Times: Concluding Observations And Selected Publications By John M. Grandin, Sigrid Berka, Mark W. Rectanus
Journal of International Engineering Education
No abstract provided.
An Entrepreneurial Approach To International Engineering Programs, Mark W. Rectanus
An Entrepreneurial Approach To International Engineering Programs, Mark W. Rectanus
Journal of International Engineering Education
No abstract provided.
Nazi Weapons: Bad People, Good Technology, Fabian Grabski
Nazi Weapons: Bad People, Good Technology, Fabian Grabski
Undergraduate Research Symposium
This project explores the integration and historical significance of three iconic World War II-era German weapons: the V-2 rocket, the STG-44, and the MG-42. Each of these weapons helped revolutionized military technology in its own right, reshaping the battlefield dynamics and influencing future weapon design. The V-2 rocket, as one of the first long-range guided missiles, marked the dawn of modern missile technology, while the STG-44 is recognized as a precursor to the modern assault rifle, blending the characteristics of both submachine guns and rifles. The MG-42, with its high rate of fire and advanced design, set the standard for …
Cognitive Dynamics In Undergraduate Engineering Education: Effects Of Need For Cognitive Closure And Achievement Goal Orientation On Cognitive Engagement, Zain Ul Abideen
Cognitive Dynamics In Undergraduate Engineering Education: Effects Of Need For Cognitive Closure And Achievement Goal Orientation On Cognitive Engagement, Zain Ul Abideen
All Graduate Theses and Dissertations, Fall 2023 to Present
Cognitive and motivational factors play an important role in students’ engagement during problem-solving, which can lead to academic and professional success. Among these factors, Need for cognitive closure (NFCC) and achievement goal orientation (AGO) have been studied extensively individually, but their interaction and impact on engineering students’ problem-solving is still not explored. NFCC refers to the person’s desire for quick answers, and AGO is the student’s approach to learning and success. This research investigated the impact of NFCC on gender and engineering major, and the relation between NFCC (five facets) and AGO (Mastery, Performance) at their different levels. Additionally, this …
Njit Stem For Success Report, Riya R. Kapadia
Njit Stem For Success Report, Riya R. Kapadia
STEM Month
Airborne viruses are the leading causes of disease and even death in public settings. For instance, the COVID-19 pandemic has resulted in 768 million cases. Air filters improve air quality and remove airborne pathogens that detrimentally affect health. However, current antiviral air filters such as HEPA filters and face masks are impractical for hospital and public settings. Electrically conductive air filters are favorable for antiviral air purification, as they are inexpensive and energy-efficient. Among electrically conductive air filters, laser-induced graphene-based electrified air filters are a promising technology, but they require a voltage greater than 20 V to inactivate the virus. …
A Light-Dependent Resistor Based Embedded Image Acquisition System For Use In Low-Resolution Application-Specific Data Processing, Connor Best
Journal of Undergraduate Research at Minnesota State University, Mankato
This paper proposes an efficient hardware-based approach to image acquisition & processing to replace complex camera systems in simple industrial & commercial applications.
Environment Mapping And Gps-Based Trailer Parking Using Low-Cost Peripheral Sensors And Post-Processing Algorithms, Connor Best
Environment Mapping And Gps-Based Trailer Parking Using Low-Cost Peripheral Sensors And Post-Processing Algorithms, Connor Best
Journal of Undergraduate Research at Minnesota State University, Mankato
This paper explores the merit of software data optimization through two practical examples: environment mapping & GPS navigation.