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Articles 1 - 13 of 13
Full-Text Articles in Engineering
Kinetic Modeling Of Catalytic Aerogels, Yi Cao
Kinetic Modeling Of Catalytic Aerogels, Yi Cao
Honors Theses
As pollution becomes an increasing concern globally, strict regulations have been set on vehicle pollutant emissions. The three-way catalytic converter is capable of converting toxic emissions such as carbon monoxide, unburned hydrocarbons and nitrogen oxides to less hazardous waste such as carbon dioxide, water, and nitrogen. Current catalysts employ platinum group metals, which are expensive and environmentally damaging to mine. Catalytically-active aerogels such as Co-Al, Cu-Al and V-Al aerogels have shown promise as alternatives to these metals. The work presented here adapts and extends a global kinetic model which predicts the conversion of hydrocarbons and carbon monoxide on platinum catalyst …
Classifying System Call Traces Using Anomalous Detection, William Doyle
Classifying System Call Traces Using Anomalous Detection, William Doyle
Honors Theses
We used data mining techniques to detect intrusions among system call traces and have outlined our results. Recent work at the intersection of security and machine learning has lead to better understanding of anomalous intrusion detection. There is a need to more thoroughly understand how anomaly detection can be used because of its potential applications and advantages over current standard methods. In this thesis, we report on a new approach of anomalous detection using system call traces. Our goal is to be able to create a system that can accurately detect hacking attacks by analyzing the sequences of system calls …
The Battery Charging Hand-Powered Washing Machine “Project Uwash”, Catherine Victoria Kennedy
The Battery Charging Hand-Powered Washing Machine “Project Uwash”, Catherine Victoria Kennedy
Honors Theses
Project UWash consists of converting the mechanical energy that goes into hand washing laundry into usable electricity. Our proof-of-concept system is composed of: an energy source (salad spinner), an energy harvester (AC generator), a regulating circuit (voltage regulator), a storage component (lithium ion batteries), and an application (charging an iPhone and USB based LED flashlight). The goal is to fully charge the LED flashlight after a one hour use and charge an iPhone to at least 50% after a 6 hour use. We were able to fully charge the flashlight in about 15 minutes but were only able to charge …
Electrical Characterization Of Nanomaterials, Chase Martin
Electrical Characterization Of Nanomaterials, Chase Martin
Honors Theses
Our dependence on energy sources and depleting fossil fuel reserves are forcing the world to look for efficient and renewable sources of energy. Current renewable technology lacks the efficiency and storage capability necessary to continue our heavy reliance on energy. This project focuses on understanding the physical and electrical properties of nanomaterials for their use as super capacitors and as photovoltaic cells. Using multiple microscopy techniques on the Cascade Probe Station and Veeco Dimension V Atomic Force Microscope, local and bulk conductivity measurements were performed on Laponite RD infused polyaniline (PANI) samples synthesized by Union College Chemistry Department Students. Four …
Remote Water Metering In Venecia, Nicaragua, Jeffrey Wettstein
Remote Water Metering In Venecia, Nicaragua, Jeffrey Wettstein
Honors Theses
The senior Capstone Design Project is the culmination of over three years of undergraduate work in electrical engineering, and other related fields. The project allows students to demonstrate their knowledge on a tangible design. Starting from a blank slate, the Capstone process asks students to carefully move through every stage of design in order to create the most effect output. Water shortage is a major problem for the entire world including the United States, but particularly in developing countries like Nicaragua. The community of Venecia, Nicaragua has a unique water problem. Community members leave taps running in fear that if …
Investigation Of Boat Hull Performance With Superhydrophobic Coating, Nolan Sayre
Investigation Of Boat Hull Performance With Superhydrophobic Coating, Nolan Sayre
Honors Theses
Aerogels are a nano-porous material that have the ability to be made chemically superhydrophobic. A durable boat hull coating of superhydrophobic aerogels could form the boundary conditions necessary to reduce drag in water and in turn improve overall boat performance. This project investigated whether a superhydrophobic aerogel coating could effectively reduce skin friction drag on a boat. Various techniques for superhydrophobic surface fabrication were researched and tested with the goal of maximizing the surface water contact angle. It was concluded that Nafion solution is not an effective material to adhere aerogels to a surface. Hydrophobic and non-hydrophobic aerogels were adhered …
Framing Fracking: The Environmental And Social Implications Of Hyraulic Fracturing, Lindsay Cohen
Framing Fracking: The Environmental And Social Implications Of Hyraulic Fracturing, Lindsay Cohen
Honors Theses
Hydraulic fracturing is a process currently used to obtain natural gas that is trapped in rock, which has low porosity and permeability. The natural gas obtained from this process had had positive impacts such as creating jobs and boosting our economy, but has also had some detrimental impacts on our environment, as well as people.
The Design Of An Optimized Patient-Specific In Vivo Spinal Fusion Cage Using Additive Manufacturing, Gorman Donnelly
The Design Of An Optimized Patient-Specific In Vivo Spinal Fusion Cage Using Additive Manufacturing, Gorman Donnelly
Honors Theses
This project involved the design of an all-in-one patient-specific lumbar spinal fusion cage using Direct Metal Laser Sintering (DMLS) manufacturing. The cage is zero-profile and does not need the use of supplemental fixation. It was manufactured out of the titanium alloy Ti 6Al-4V using a DMLS rapid prototyping machine from a third party company. The endplates of the cage are patient-specific allowing for a larger surface contact area between the cage and the vertebral bodies than most cages on the market. This fosters a more successful fusion as well as decreases surgery time, effectively decreasing recovery time. Different porosity variations …
How Advancements In Aerodynamics Improves The Performance Of Formula 1 Racecars, Joshua Fields
How Advancements In Aerodynamics Improves The Performance Of Formula 1 Racecars, Joshua Fields
Honors Theses
The purpose of this paper is to review how knowledge of aerodynamics improved the performance of Formula 1 racing cars since the beginnings of Formula 1 racing after World War II. Formula 1 racing places each competitive team on a similar level in regulating the cars to be safe while driving above 350 kph. This paper begins with how Formula 1 racing began and how race cars were designed and looked. Then each decade of racing will be discussed and remarks on major advancements and changes in aerodynamics. Also some computational fluid dynamics (CFD) will also be discussed on how …
Propulsion And P.I Control Systems For Sae Aircraft, Ervin Meneses
Propulsion And P.I Control Systems For Sae Aircraft, Ervin Meneses
Honors Theses
This thesis analyzes the integration and performance of a P.I control system within the SAE Aero Design Competition aircraft. This year the Union College Aero Design team will be competing in the Society of Automotive Engineers (SAE) Aero Design “Regular Class” Competition, which encompasses the design and production of a large‐scale remote controlled aircraft that must meet predetermined power and size constraints. The overall objective of the competition is to have the designed aircraft carry a maximum amount weight within a 200 feet runway while staying below a 1000W power limit. Each competitor must integrate a power limiter into their …
Cfd Modeling Of The Flow Of Resin Into A Preform Mold Of Carbon Fibers, Caelan Lapointe
Cfd Modeling Of The Flow Of Resin Into A Preform Mold Of Carbon Fibers, Caelan Lapointe
Honors Theses
Sandwich structures are formed by separating load bearing face sheets with a light weight core material. This type of structural design is both strong and light, making for an extremely efficient structure. Sustainable sandwich structures made using face sheets of natural fiber mats and natural oil based resins separated by a fungal mycelia core. The vacuum infusion of resin into the fiber mats is investigated numerically using Star CCM+, a computational fluid dynamics (CFD) package. The methodology focuses on ease of use while emphasizing good modeling practices. The models generated are compared to the experimental results and provide a theoretical …
Design Of A Double-Dose Epinephrine Auto-Injector Using 3d-Printing, Timothy Calvin Sheehan
Design Of A Double-Dose Epinephrine Auto-Injector Using 3d-Printing, Timothy Calvin Sheehan
Honors Theses
This project involved the design and prototyping of an epinephrine auto-injector capable of administering two separate doses. Epinephrine auto-injectors are used in the treatment of patients undergoing anaphylaxis, an allergic reaction causing the restriction of airways and a drop in blood pressure. The timely administration of epinephrine counteracts these symptoms and can be lifesaving. Currently the only devices available to consumers administer one unit dose of epinephrine and are then no longer usable. In 30% of cases where patients undergo these symptoms a second dose of epinephrine is required. My design was based partially off the concept behind currently available …
The Development Of A Composite Additive To Increase Safety And Performance Of Wooden Baseball Bats, Cj Worley
The Development Of A Composite Additive To Increase Safety And Performance Of Wooden Baseball Bats, Cj Worley
Honors Theses
Many youth baseball leagues are in the process of doing away with metal bats and using solely wood bats. They claim the game will be safer since ball exit velocities off of wood bats are lower than that of their metal counterparts; however, they are overlooking the fact that wood bats shatter causing new safety concerns that are not experienced with metal. It was the goal of this project to develop and test new additive materials to coat wood baseball bats in order to improve strength without decreasing performance. Polyurethane sealant, carbon fiber fabric, and duct tape were chosen to …