Engineering Commons^™

Developing And Testing An Anguilliform Robot Swimming With Theoretically High Hydrodynamic Efficiency, John B. Potts Iii

University of New Orleans Theses and Dissertations

An anguilliform swimming robot replicating an idealized motion is a complex marine vehicle necessitating both a theoretical and experimental analysis to completely understand its propulsion characteristics. The ideal anguilliform motion within is theorized to produce ``wakeless'' swimming (Vorus, 2011), a reactive swimming technique that produces thrust by accelerations of the added mass in the vicinity of the body. The net circulation for the unsteady motion is theorized to be eliminated.

The robot was designed to replicate the desired, theoretical motion by applying control theory methods. Independent joint control was used due to hardware limitations. The fluid velocity vectors in the …

Dividing And Conquering Meshes Within The Nist Fire Dynamics Simulator (Fds) On Multicore Computing Systems, Donald Charles Collins

Masters Theses

The National Institute for Standards and Technology (NIST) Fire Dynamics Simulator (FDS) provides a computational fluid dynamics model of a fire, which can be visualized by using NIST Smokeview (SMV). Users must create a configuration file (*.fds) that describes the environment and other characteristics of the fire scene so that the FDS software can produce the output file (*.smv) needed for visualization.The processing can be computationally intensive, often taking between several minutes and several hours to complete. In many cases, a user will create a file that is not optimized for a multicore computing system. By dividing meshes within the …

Background Differences In Baseline And Stimulated Mmp Levels Influence Abdominal Aortic Aneurysm Susceptibility, Matthew A. Dale, Melissa K. Suh, Shijia Zhao, Trevor Meisinger, Linxia Gu, Vicki J. Swier, Devendra K. Agrawal, Timothy Greiner, Jeffrey S. Carson, B. Timothy Baxter, Wanfen Xiong

Department of Mechanical and Materials Engineering: Faculty Publications

Objective: Evidence has demonstrated profound influence of genetic background on cardiovascular phenotypes. Murine models in Marfan syndrome (MFS) have shown that genetic background-related variations affect thoracic aortic aneurysm formation, rupture, and lifespan of mice. MFS mice with C57Bl/6 genetic background are less susceptible to aneurysm formation compared to the 129/SvEv genetic background. In this study, we hypothesize that susceptibility to abdominal aortic aneurysm (AAA) will be increased in 129/SvEv mice versus C57Bl/6 mice. We tested this hypothesis by assessing differences in aneurysm size, tissue properties, immune response, and MMP expression.

Methods: Mice of C57Bl/6 or 129/SvEv background underwent AAA induction …

Exploring Emerging Technologies For The Built Environment Circa 2015 For Use In Architectural Engineering And Related Majors, Connor J. Hanlon

Architectural Engineering

For this senior project I am seeking to combine my knowledge of Structural Engineering with Construction Management. For this task, I have decided to look at Building Information Modeling (BIM). In this project I investigate the BIM tools Trimble Tekla Structures and Autodesk Navis- works Manage. Tekla is a modeling, fabrication, and design program. Navisworks is a visualiza- tion and Clash Detection tool. For this project I have identiÅied two main goals relating to Navis- works and Tekla:

1. Create content to allow students and professors learn how to use Tekla and Navisworks

2. Determine the capabilities of these softwares, and Åigure …

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Using Basic Quality Tools To Improve Production Yields And Product Quality In Manufacturing, Steve E. Black

Electronic Theses and Dissertations

As the U.S. and world economies emerge from years of recession, the hardwood flooring market is currently enjoying strong growth. With this growth come new challenges for hardwood flooring manufacturers. Strong competition from foreign markets and rising log prices are reducing product margins and forcing companies to think lean, while improving product quality.

QEP Wood Flooring division, who struggled through the worst of the U.S. economic down turn is now regaining ground as a strong competitor in the hardwood flooring market. This turnaround is due to internal changes to decrease waste and increase product quality. This is accomplished by using …

Subjective Perception Of Varying Reflection Densities In Room Impulse Responses, Hyun Hong

Durham School of Architectural Engineering and Construction: Dissertations, Thesis, and Student Research

Reverberation time (RT) is a metric commonly used to describe room acoustic conditions, but different rooms which have the same reverberation time can have different reflection densities. Much less is known about how humans perceive different reflection densities and how sensitive humans are to changes in reflection density. Previous investigations in the existing literature have studied the upper limit of distinguishable reflection density using artificial impulse responses, but not with more realistic impulse responses simulated in room acoustic software or measured from real rooms. The aim of this dissertation is to investigate methods for quantifying reflection density from measured impulse …

Cultural Change Through Bim: Driving Lean Transformation In Education, Avril Behan, Malachy Mathews, Kevin Furlong, Ciara Ahern, Una Beagon, Peter Brennan, Colin Conway, Lee Corcoran, Pierce Fahy, Alan Hore, Barry Mcauley, Trevor Woods

Conference papers

This paper presents a case study of how the adoption of BIM-based practices in the AECO industry is being reflected by cultural change in higher education in Ireland. The silo-mentality that has dominated the AECO sector for more than a century has, despite numerous reorganisations, been replicated in the structures of educational institutions, including in Dublin Institute of Technology since the inception of its founding colleges in the late 1800s. Most AECO programmes must include content that is external to the programme’s specific discipline. Through the School structures of the Institute, delivery of such content is known as "service teaching" …

A Comparative Study Between The Karst Of Hoa Quang, Cao Bang Province, Vietnam And Tuscumbia, Alabama, U.S.A., Gheorghe M. Ponta, Nguyen Xuan Nam, Florentin Stoiciu, Ferenc L. Forray, Viorel Badalita, Lenuta J. Enache, Ioan A. Tudor

Sinkhole Conference 2015

Some of the most beautiful karst features created by the dissolution of limestones are residual hills with steep or vertical sides rising from a flat plain, known as tower karst. Tower karst to be developed requires a “mean annual temperature of minimum 170C to 180C and 1,000 to 1, 200 mm/m2 of annual rainfall (Jakucs, 1977). Two sites matching this criteria were selected: the karst of Hoa Quang District, Cao Bang Province, Vietnam, and Tuscumbia, Colbert County, Alabama, U.S.A. Preliminary observations regarding similarities and differences between these two sites are presented in this paper. The Hoa Quang karst area is …

Concepts For Geotechnical Investigation In Karst, Joseph A. Fischer, Joseph J. Fischer

Sinkhole Conference 2015

There seems to be a lack of recognition in the literature that addresses the variety of karst in the United States of America and some of its offshore territories. For example, there are the well-known solutioned carbonates of Florida and the Caribbean, but there are also the somewhat older, harder carbonates of St. Croix, U.S.V.I. Even Florida’s recently deposited karst varies from region to region. There are also the ancient, flat-lying carbonates of the interior craton that often have semi-horizontal cavities resulting from variations in ground water levels affecting bedding and the contorted rocks of the Appalachians with its apparently …

Diseño De Un Sistema De Transporte Automatizado De Rosas, Javier Leandro Barón Merchán, William David Perez Herrera

Ingeniería en Automatización

Este trabajo describe el diseño de un sistema automatizado, capaz de realizar la manipulación y transporte de rosas durante el proceso de pos cosecha, con una productividad máxima de 3600 flores por hora. Para llevar a cabo este proyecto, el primer paso fue realizar el diseño mecánico partiendo de un análisis de las diferentes alternativas de cada uno de los componentes del sistema de transporte y así poder seleccionar el que mejor funcione teniendo en cuenta su eficiencia, material y costo. Posteriormente, se determinó la potencia requerida del motor para movimiento de la cadena transportadora y la fuerza de arranque; …

Diseño De Un Sistema Automatizado Para El Respaldo De La Información, Dagmar Albarracin Barreto

Ingeniería en Automatización

En tiempos actuales el activo más importante con que cuentan las empresas es la información y en especial los datos referentes a su negocio, productos, clientes, transacciones y demás relacionados, de ahí que el respaldo de la misma es una tarea vital e infaltable en todas las organizaciones para no sucumbir ante la competencia en la era de la información que estamos viviendo. Las empresas se están encontrando con un incremento prácticamente exponencial de la cantidad de datos que necesita archivar, consultar y transmitir y como ya no existen las limitantes de espacio de épocas anteriores, debido a que el …

Linear Mode Cmos Compatible P-N Junction Avalanche Photodiode For Smart-Lighting Applications, Md. Mottaleb Hossain

Optical Science and Engineering ETDs

There is a need in emerging smart lighting concepts for a high-speed sensing capability to enable adaptive lighting (smart spaces) and visible light communication. One approach to address this need is to design and manufacture a novel complementary-metal—oxide—semiconductor (CMOS) compatible, cost-effective detector array and readout circuit (ROIC) that incorporates integrated waveguide detectors and avalanche photodiodes (APDs). This thesis focuses on the APD design and fabrication component of the sensing capability required by smart-lighting systems. Silicon CMOS compatible APDs are expected to provide high-speed and high-sensitivity sensors in terms of simplicity of design, low power consumption and cost-effectiveness for smart-lighting applications. …

Precise Characterization And Investigation Of Laser Cooling In Iii-V Compound Semiconductors, Chengao Wang

Optical Science and Engineering ETDs

The physics and engineering issues associated with laser cooling of III-V compound semiconductors, in particular GaAs double heterostructures (DHS), are theoretically and experimentally investigated. This research addresses the key concepts of external quantum efficiency (EQE) and parasitic background absorption in a semiconductor laser cooler. The external quantum efficiency describes how well recombination radiation is removed from the cooling device and is precisely measured by All-optical Scanning Laser Calorimetry (ASLC). Using this technique, a record external quantum efficiency of 99.5% has been obtained with a GaAs laser cooler held at 100 K. However, high background absorption has hindered the observation of …

Influence Of Biofield Treatment On Physical And Structural Characteristics Of Barium Oxide And Zinc Sulfide, Mahendra Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Omprakash Latiyal, Snehasis Jana

Mahendra Kumar Trivedi

A Method For Visualizing Poetic Texts Using L-Systems (L-Sisŭt'em Ŭl Iyonghan Si T'Eksŭtŭ Sikakhwa Pangbŏp L시스템을 이용한 시 텍스트 시각화 방법), Wayne De Fremery, Jusub Kim

Barowsky School of Business | Faculty Patents

본 발명은 시 텍스트 시각화 방법에 관한 것으로, (a) 시각화 장치에 입력된 시의 텍스트를 순서대로 스캐닝하는 단계; (b) L 시스템 모델을 통해 상기 시의 구조를 식물의 구조와 매칭시키고, 상기 텍스트의 형태소 및 모음을 식물의 채도와 명도와 매칭시켜 컴파일링 하는 단계; (c) 컴파일된 상기 텍스트의 명령어에 따라 렌더링하여 페인팅하고, 상기 식물의 그림을 생성하는 단계; 및 (d) 생성된 상기 그림을 상기 시각화 장치의 표시창에 표시하는 단계를 포함한다.이와 같이 본 발명은 시 텍스트의 시각화에 정보 전달 기능 외에 심미성을 부가하여 시각화 결과 자체가 엔터테인먼트적인 요소를 가지고 가며 직관적인 영감까지 줄 수 있는 창작물이 되도록 하는 새로운 시각화 방법을 제공한다.

The invention relates to …

The Theological Origins Of Engineering, Brad Kallenberg

Brad J. Kallenberg

Knowledge of our roots can sometimes help us figure out how we ought to proceed. Many claim that engineering began in ancient antiquity with the Egyptian pyramids, Archimedes' inventions, or the Roman aqueducts. Others give contemporary engineering a more recent history, tracing its origins to the Industrial Revolution or the Enlightenment. Yet what is often overlooked is the fact that contemporary engineering owes part of its identity to medieval monasticism. The advantage of remembering this history is the bearing it has on the questions "What is engineering for?" and "How ought engineering be practiced?" Michael Davis makes the claim that, …

Sistema De Información Automático Para Control De Acceso En Un Centro De Explotación Minero, Laura Viviana Gómez Monroy, Jennifer Vanessa Gonzalez Díaz

Ingeniería en Automatización

Los sistemas de información son una gran solución para el orden empresarial y el manejo de información vital para las industrias. La compañía minera Colombo-Americana Carbón ubicada en Guachetá Cundinamarca, presenta grandes deficiencias en el manejo de información personal y de procesos de asistencia; la compañía determina la necesidad de desarrollar un sistema que permite centralizar la información y eliminar los registros manuales que ocupan grandes volúmenes y son ineficientes para consultas e informes. (Lara, 2014) En este proyecto se diseña y prueba un sistema de información prototipo, que evaluar al cliente si es una forma adecuada para manejar los …

Developing An Optimal Model For Infant Home Visitation, Isaac Atuahene

Doctoral Dissertations

The United States, Great Britain, Denmark, Canada and many other countries have accepted home visitation (HV) as a promising strategy for interventions for infants after births and for their mothers. Prior HV studies have focused on theoretical foundations, evaluations of programs, cost/benefit analysis and cost estimation by using hospital/payer/insurance data to prove its effectiveness and high cost. As governments and private organizations continue to fund HVs, it is an opportune time to develop and formulate operations research (OR) models of HV coverage, quality and cost so they might be used in program implementation as done for adult home healthcare (HHC) …

Modelling Supercomputer Maintenance Interrupts: Maintenance Policy Recommendations, Jagadish Cherukuri

Masters Theses

A supercomputer is a repairable system with large number of compute nodes interconnected to work in harmony to achieve superior computational performance. Reliability of such a complex system depends on an effective maintenance strategy that involves both emergency and preventive maintenance. This thesis analyzes the maintenance records of four supercomputers operational at The National Institute of Computational Science located at Oak Ridge National Laboratory. We propose to use the generalized proportional intensities model (GPIM) to model the maintenance interrupts as it can capture both the reliability parameters and maintenance parameters and allows the inclusion of both emergency and preventive maintenance. …

A Concept Validation Of A Magnetometry-Based Technology For Detecting Concealed Weapons In Vehicle Door Panels, Nar Vang

Master's Theses

Acts of insurgency have become an increasing threat resulting in extensive measures being taken by the law enforcement authorities to mitigate their devastating effects on human life and infrastructure. This thesis introduces a magnetometry-based information, and signal processing methodology for detecting concealed ferrous objects in vehicle body panels. From extensive literature research, it was observed that while magnetic sensors have been used in a variety of related applications, but they have not been extensively applied to the on-road detection of firearms and explosives concealed in vehicles. This study utilized an extensive experimental protocol for preliminary concept validation. The main idea …

Imaging Device, Wayne De Fremery, John Young

Barowsky School of Business | Faculty Patents

An imaging device comprising a flexible sensor attached to a control case. The flexible sensor provides both a source of illumination to the image being captured and a method of capturing the image. The method of capture comprises a field of reactors disbursed across the facial area of the sensor, the output of which produces a dot-pattern capture of the intended image which is passed to a storage device.

Thermal Energy Storage In Building Integrated Thermal Systems: A Review. Part 2. Integration As Passive System, Dervilla Niall, Sarah Mccormack, Philip Griffiths, Luisa Cabeza, Lidia Navarro, Albert Castell, Alvaro De Grazia, Maria Brown

Articles

Energy consumption trends in residential and commercial buildings show a significant increase in recent decades. One of the key points for reducing energy consumption in buildings is to decrease the energy demand. Buildings envelopes are not just a structure they also provide protection from outdoor weather conditions always taking into account the local climate. Thermal energy storage has been used and applied to the building structure by taking advantage of sensible heat storage of materials with high thermal mass. But in recent years, researchers have focused their studies on the implementation of latent heat storage materials that if well incorporated …

20150709: Department Of Engineering, 2008, College Of Engineering And Computer Sciences

Guides to University Archives

These items include materials from Engineering at Marshall University from 2008. Items were received in 2015 and include notable materials from or about the History of Engineering Department at Marshall University among other support and presentations about Engineering at Marshall and enrollment information. This is not an exhaustive list. Please download the finding aid for a full list of contents.

Investigation On The Soundscape Preference And Perception Of Highlands Environment: A Preliminary Study, Nazli Che Din, Engku Mastura Engku Ahmad, Hazreena Hussein

Hazreena Hussein

Highland environment is one of the popular tourist destinations because it holds a rich array of natural resources. However, the economic and development growth of highlands gave potential effect of biological wealth and environment surrounding. Noise pollution in developing highland area could intrude the ability to comprehend of natural and environmental sounds. As preliminary, the main objective of this research is to identify factors and elements that characterise the soundscape in three selected green areas on highland environment. The research was carried out through a series of field measurement and audio-visual experiment. At the first stage of the study, the …

Three-Dimensional Imaging Using A Novel Rotating Point Spread Function Imager, Rakesh Kumar

Optical Science and Engineering ETDs

The capability to achieve three-dimensional (3D) imaging in a single snapshot is a highly coveted goal for the imaging community. To be able to extend the depth-of-field while simultaneously encoding depth in the point spread function (PSF) itself allows an imaging solution which is less time consuming and less data intensive than the inefficient multiscan based conventional 3D imaging. Light-field cameras also achieve 3D imaging in a snapshot, but at the cost of greatly reduced resolution. Phase mask based depth encoding solutions have been proposed by other groups, but they all suffer from a relatively smaller depth-of-field. Recently there has …

Consumer Perceptions Towards Package Designs: A Cross Cultural Study, Romica Chandra Lal, Fritz Yambrach, Lucy Mcproud

Journal of Applied Packaging Research

The choice of one package or the other can be an economic decision or can be influenced by cultural acceptance or perception of individual convenience. Product package systems can be designed for one-time use or multiple-use purposes. Package perceptions in different countries typically develop from a variety of factors, including climate, lifestyle, and cultural acceptance with regard to particular products. In an increasingly global economy with multinational firms marketing products worldwide, it is important to understand the differences between consumer needs and consumer responses to product-package systems.

The objective of this research was to examine consumer perceptions of different product …

Diseño De Máquina Automática Para Dosificación De Vaselina, Samuel Castro Sedano, Camilo Andrés Patarroyo Casallas

Ingeniería en Automatización

No abstract provided.

Assessment Of Management And Documentation Systems For The Bowling Green State University American Society For Quality Student Branch, Sara Murphy

Master of Education in Instructional Design and Technology Plan II Graduate Projects

The Bowling Green State University (BGSU) American Society for Quality (ASQ) student branch seeks to provide current and prospective students the opportunity to expand or build upon current and evolving quality principles. This project seeks to provide the ASQ student branch the opportunity to develop documented systems of daily operations and other activities in relation to the defined BGSU ASQ student branch organizational objectives. The research associated with this project will provide detailed information related to the organizational requirements to aid in the development of documented systemic procedures. The information also indicates what practices should be in place to ensure …

Lessons Learned From A Simulation Project In Construction Education, Saeed Rokooei, James Goedert

Saeed Rokooei

Evaluation Of Distribution Environment In Ltl Shipment Between Central Europe And South Africa, Peter Borocz, Paul Singh, Jay Singh

Journal of Applied Packaging Research

Due to the global expansion of transportation and handling companies, the distribution and supply chains of both raw materials and finished products now requires a better understanding of the shipping environment. This international shipping and handling information describing the physical and climatic conditions provides packaging engineers the required technical information to design better packaging to provide protection to products in various segments of the supply chain. In these global supply chains, products emerging from Central Europe also play an increasingly important role today. From this region, the truck and vessel combination is the most dominant transportation mode for non-time sensitive …