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Articles 1 - 11 of 11
Full-Text Articles in Mechanical Engineering
Analyzing The Leed Certification & Energy Usage Of The Peter Irving Wold Center, Andrea Schwartz
Analyzing The Leed Certification & Energy Usage Of The Peter Irving Wold Center, Andrea Schwartz
Honors Theses
This report discusses the Leadership in Environmental & Energy Design (LEED) Gold certification of the Peter Irving Wold Center, located in Schenectady N.Y. The credits that the Wold Center achieved in the LEED process are discussed as well as what credits were not achieved. Each credit is described in detail and the feasibility of implementing the credits that were not achieved is considered. The feasibility of achieving Platinum certification is discussed. It is important to note that this analysis, while post-construction, is determining whether or not the building could have achieved Platinum certification during the planning and building process. A …
Computational Model Of Pore Collapse And Densification In Aerogels Under Compression, Lutao Xie
Computational Model Of Pore Collapse And Densification In Aerogels Under Compression, Lutao Xie
Honors Theses
Aerogels are solid, porous and light materials that are 90-99% air by volume, with particularly small pore sizes and large specific surface areas. According to previous studies, silica aerogels have appeared to be typical fractal materials. Its microstructure can be described as a fractal network in the length scale 10-1000Å, which is considered to be the result of an aggregation mechanism. To model the behavior of this material, a non-linear finite element code was developed to determine the sequence in which elements fail under compressive load for different starting pore distributions. The 2D geometry of the brittle silica lattice was …
Asme Human Powered Vehicle Competition Frame Design, Zacarie Hertel
Asme Human Powered Vehicle Competition Frame Design, Zacarie Hertel
Honors Theses
Each year, the American Society of Mechanical Engineers (ASME) sponsors the Human Powered Vehicle Challenge. The purpose of the competition is to provide a continued source of research into human powered vehicles. Generally, the vehicles for this competition consist of faired recumbent tricycles and bicycles, capable of reaching high speeds in an efficient manner. The subject of this report is the design and analysis of a new vehicle frame for Union’s 2014 competition entry. The frame is the structural skeleton of the vehicle, supporting the rider and all vehicle components. The frame is what withstands the majority of the loads …
Looking For Small Changes In Heat Capacity Using A Differential Scanning Calorimeter, Will Linthicum
Looking For Small Changes In Heat Capacity Using A Differential Scanning Calorimeter, Will Linthicum
Honors Theses
One of the major difficulties in development of renewable energy is the lack of an adequate and economical means of energy storage. In the case of concentrated solar power a large mass of thermal fluid is required to store a reasonable amount of energy. This is primarily because the fluids tend to have a low specific heat capacity. Formulating composites of these fluids can enhance their specific heat capacity and avails opportunities to make concentrated solar power more attractive. In most cases, the specific heat capacity of composite materials is a weighted average of the individual component heat capacities. This, …
Effects Of Playing Surface And Shoe Type Of Acl Tears In Soccer Players, Melissa Mansfield
Effects Of Playing Surface And Shoe Type Of Acl Tears In Soccer Players, Melissa Mansfield
Honors Theses
Anterior Cruciate Ligament injuries have become more common in athletes over the past decade which is believed to result from playing on more artificial turf surfaces. This study tested the playing surface theory by building upon a previous study conducted with Albany Medical Center which tested surface samples using an axial-torsion load frame located at Union College. The motion that causes most ACL noncontact injuries is replicated by the load frame which pushes and rotates a shoe against the playing surface and measures the torque it experiences. The foot position, normal load, degree of rotation and rate of rotation were …
The Optimization Of Porosity And Pore Patterning For Patient-Specific Ti-6 Al-4v Femur Implants, Stephen Paolicelli
The Optimization Of Porosity And Pore Patterning For Patient-Specific Ti-6 Al-4v Femur Implants, Stephen Paolicelli
Honors Theses
Metastatic bone cancer often arises in the long bones of the body. Taking a patient specific approach by utilizing a customized implant is a superior method of treatment compared to today’s solutions, which often includes amputation. A titanium-alloy femur implant has been optimized by varying pore size, pore pattern, and porosity in order to maximize osseointegration. By maximizing osseointegration, the implant will remain firmly in place for a longer period of time because bone will grow throughout the implant, securing it. In addition, it is important for the bone to behave mechanically like bone. This requires the global elastic modulus …
Fixed Platform Crane For Equipment Access, Carlos Gonzalez, Steven Hollander, Yue Zhao, Jared Pellegrin, Travis Odom
Fixed Platform Crane For Equipment Access, Carlos Gonzalez, Steven Hollander, Yue Zhao, Jared Pellegrin, Travis Odom
Honors Theses
No abstract provided.
Subtalar Fusion Fixture Design And Test, Nathan Ortiz
Subtalar Fusion Fixture Design And Test, Nathan Ortiz
Honors Theses
Subtalar arthrodesis is performed when cartilage in the talo-calcaneal (the ankle) joint is degraded in a patient and there are multiple approaches to this surgery. Using synthetic bone material, fixtures were cast from aluminum, using the process of evaporation pattern casting, and epoxy. This casting was used to grip the calcaneus bone of the foot in order to load it mechanically, simulating different scenarios that would be encountered during walking. The relative displacement of the ankle joint was measured using a digital image correlation (DIC) program that was modified to work in both two- and three-dimensional space. This program can …
Design And Analysis Of A Cold Gas Propulsion System For Stabilization And Maneuverability Of A High Altitude Research Balloon, Mitchell Brownell
Design And Analysis Of A Cold Gas Propulsion System For Stabilization And Maneuverability Of A High Altitude Research Balloon, Mitchell Brownell
Honors Theses
The need for a cold gas propulsion system is crucial to the scientific industry which allows for maneuvering and stabilizing a high altitude research balloon and propose an inexpensive, light weight design that researchers can reproduce. The methodology to the design of this system was based on factors that are all dependent upon one another. The parameters that directed the decisions made throughout this design project was the thrust needed to rotate the unit, and the allowable weight permitted by federal regulations. The frame was designed with a gas storage system, gas transmission system, and nozzle assembly which was integrated …
Transit As An Alternative Mode Of Transportation: A Case Study Of Its Usage, Availability, Patterns And Value For Non-Commuter Trips, Sara Hardman
Honors Theses
The mode of transportation a user picks impacts the environment, the social environment, and the user himself/herself. While research on alternative modes of transportation is prevalent in both the engineering and sociology fields, little attention has been given to the choices people make concerning how they run errands and other social trips, focusing instead on commuter trips. This case study examines three different shopping malls and the surrounding bus stops in order to determine the role distance plays in bus usage and the value that shopping centers place on access to local bus routes. Determination of the value and potential …
An Environmentally-Friendly Design To Reduce Energy Loss By Heat Transfer Through Windows, Andrew Li
An Environmentally-Friendly Design To Reduce Energy Loss By Heat Transfer Through Windows, Andrew Li
Honors Theses
With windows as main areas of energy loss in residential environments, a market exists for a product to act a removable barrier which improves heat transfer for cases of extreme temperatures in seasonal weather. Such a product would allow consumers to save money in the long run without permanently losing the use of their windows when the weather is mild and such an apparatus is not needed. This project designs such a product using an assembly of polished aluminum foil for low radiation emissivity, ABS plastic for an insulating material with low conductivity, and an aluminum glass mirror pane which …