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Full-Text Articles in Other Engineering

The Effects Of Relational And Social Behaviors Exhibited By Construction Project Team Members On Relationship Quality And Project Outcomes, James Ogechi Kereri Aug 2020

The Effects Of Relational And Social Behaviors Exhibited By Construction Project Team Members On Relationship Quality And Project Outcomes, James Ogechi Kereri

LSU Doctoral Dissertations

Relational and social behaviors of construction project team members explain team relationships. Whereas relational behaviors have often been studied in construction project team relationships, the current literature is deficient on the social behaviors. The literature review revealed seven relational behaviors (i.e., harmonization of conflict, propriety of means, restraint of power, reliance and expectation, contractual solidarity, flexibility, and reciprocity) and three social behaviors (i.e., past experience, benevolence, and integrity) commonly exhibited by construction project team members. Through a binomial logistic regression, research findings revealed that past experience was a significant (p < 0.01) predictor for five of the seven relational behaviors while benevolence and integrity were each significant (p < 0.01) predictors for three of the seven relational behaviors. Overall, out of the seven relational behaviors, only propriety of means is predicted by all the three social behaviors. Through multinomial regression, the results indicated that there is not enough evidence to show a relationship between the dimensions of relationship quality and project outcomes. However, there is a relationship between relationship embeddedness and project outcomes. Through internal and external validation, the prediction models performed well based on both positive predictive values and negative predictive values.

From a relationship management standpoint, this research introduces ...


Interaction Of Optomechanical Cavities With Acoustic Waves And Oscillators, Ke Huang Jul 2020

Interaction Of Optomechanical Cavities With Acoustic Waves And Oscillators, Ke Huang

Optical Science and Engineering ETDs

Resonators and oscillators are key elements in a wide variety of natural and manmade systems. As such understanding and exploiting their dynamics both as isolated devices and members of coupled systems has been the subject of intensive investigation for more than a century. The advent of optomechanical resonators (OMRs) that support strong coupling between optical and mechanical modes resulting in self-sustained optomechanical oscillations, has created new opportunities for device development and implementation of coupled oscillatory systems. One aspect of this thesis is focused on exploring some of the unique features of OMRs and optomechanical oscillators (OMOs) that can be exploited ...


Generation Of Correlated Dual Frequency Combs With Pm Fiber Lasers For High-Precision Metrology, Hanieh Afkhamiardakani Jul 2020

Generation Of Correlated Dual Frequency Combs With Pm Fiber Lasers For High-Precision Metrology, Hanieh Afkhamiardakani

Optical Science and Engineering ETDs

Intracavity Phase Interferometry (IPI) using two correlated, counter-propagating frequency combs (pulse trains) in mode-locked lasers has evolved into a powerful technique for high-precision metrology. In this method a physical parameter to be measured imparts a phase shift onto a pulse circulating in the laser cavity. Inside a laser cavity, that phase shift becomes a frequency shift (phase shift/round-trip time) applied to the whole frequency comb created by this pulse as it exits the cavity at each round-trip. This frequency shift is measured by interfering this comb with a reference comb created by a reference pulse circulating in the same ...


Radiation-Balanced Fiber Lasers And Amplifiers, Esmaeil Mobini Souchelmaei Mr Jul 2020

Radiation-Balanced Fiber Lasers And Amplifiers, Esmaeil Mobini Souchelmaei Mr

Optical Science and Engineering ETDs

Over the past decades, high-power fiber lasers and amplifiers have been extensively under research to achieve higher output powers. However, temperature rise in the core of fiber lasers and amplifiers has been a big issue in power-scaling. Radiation-balancing is a viable technique introduced for effective heat mitigation in lasers and amplifiers by S. Bowman in 1995. Radiation-balancing relies on solid-state laser cooling as a self-cooling mechanism to mitigate the generated heat in lasers and amplifiers. To implement the mentioned idea in fiber lasers and amplifiers, a set of issues should be scrutinized; (i) the amenability of silica glass (as the ...


Development Of Water Coning Control Design Metrics In Naturally Fractured Reservoirs, Samir Prasun Jun 2020

Development Of Water Coning Control Design Metrics In Naturally Fractured Reservoirs, Samir Prasun

LSU Doctoral Dissertations

Naturally fractured reservoirs (NFRs) with bottom-water are known for their instant water breakthrough and severe water coning that reduces oil recovery. This is because water channels through the highly permeable fractures easily connecting the well to the aquifer bypassing the oil contained in the matrix. Remedial techniques such as producing below critical-oil rate, optimizing the well spacing and installing the downhole water sink (DWS)/ downhole water loop (DWL) technology, have already been successfully tested in single-porosity reservoirs (SPR). However, applicability of these techniques in NFRs are unknown since only a few studies have been performed on their feasibility in NFRs ...


Raysun's Infrared Raisin Dryer, Lucas Kensinger, Saraith Aispuro, Joe Vanacore Jun 2020

Raysun's Infrared Raisin Dryer, Lucas Kensinger, Saraith Aispuro, Joe Vanacore

General Engineering

The RaySuns senior project team was tasked with lowering the drying costs of raisins for River Ranch Raisins. In doing so, we explored several options for cutting costs: utilizing automation and exploring new drying technologies were our primary focus. We eventually planned a modular infrared heating mechanism which would be easy to automate in future projects. After manufacturing and testing an infrared heating mechanism, it was found that infrared drying could significantly cut costs versus the previous natural gas fired dryer tunnels while leaving room for automation. The infrared dryer was also shown to have the potential to create high-quality ...


Fire And Life Safety Analysis: Robert E Kennedy Library, Cal Poly San Luis Obispo Campus, Christopher Olmstead Jun 2020

Fire And Life Safety Analysis: Robert E Kennedy Library, Cal Poly San Luis Obispo Campus, Christopher Olmstead

Fire Protection Engineering: Culminating Experience Project Reports

This report provides a fire safety analysis on the Robert E. Kennedy Library located on the Cal Poly University campus San Luis Obispo, California. In the course of this analysis, a prescriptive and performance-based approached was used. The goal was to review and obtain an understanding of the features of the building’s design and use that provide fire safety. During the analysis, areas of deficiency will be identified. Recommendations will be made based on the analysis and the nature of the deficiencies.

The overall goal is to abide by the NPFA Life Safety standard: (1) Protection of occupants not ...


Building B: Fire And Life Safety Analysis, Joseph Radford Sellers Jun 2020

Building B: Fire And Life Safety Analysis, Joseph Radford Sellers

Fire Protection Engineering: Culminating Experience Project Reports

A fire and life safety analysis was performed on Building B at the Y-12 National Security Complex in Oak Ridge, TN. This report was completed as a fulfillment of one of the requirements for the Masters of Science in Fire Protection Engineering Program from the California Polytechnic State University (Cal Poly) in San Luis Obispo, CA. The analysis consisted of a prescriptive, or code-based analysis, and a performance-based analysis.

The prescriptive analysis composed of four main areas: Life Safety, Fire Alarm and Detection, Structural Fire Protection, and Fire Suppression. The prescriptive analysis was performed to determine if Building B is ...


Fire And Life Safety Analysis: San Francisco Museum Of Modern Art, Jason Woo Jun 2020

Fire And Life Safety Analysis: San Francisco Museum Of Modern Art, Jason Woo

Fire Protection Engineering: Culminating Experience Project Reports

A fire and life safety analysis was conducted to fulfill a requirement for the Master of Science Degree in Fire Protection Engineering from California Polytechnic State University. A prescriptive and performance-based analysis was conducted on the San Francisco Museum of Modern Art. The SFMOMA is a 10-story, 460,000 𝑓𝑡2 , Type 1A mixed occupancy building. Located in the northwest corner of San Francisco, SFMOMA houses a collection of over 33,000 works of painting, sculpture, design and media making it one of the largest museums in the world for modern and contemporary art.

Four features of the prescriptive based analysis ...


Culminating Course Progress Report For The Na893 Community Support Center, Yokosuka Naval Base, Japan, Kazuo Miura Jun 2020

Culminating Course Progress Report For The Na893 Community Support Center, Yokosuka Naval Base, Japan, Kazuo Miura

Fire Protection Engineering: Culminating Experience Project Reports

This is the culminating project report for the Fire Project Engineering Master’s of Science at California Polytechnic at San Luis Obispo. This project will consider a project for the US military in Japan, JFY893 Community Support Facility, Yokosuka Naval Base. The subject facility consists of a library, education center, family services, and other community services. The Library shall serve as the Main Base Library, keep and store books and provide library services for active duty population, dependents and retirees. The Education Center provides services for advancing of the academic, technical, and vocational education of military personnel of all grades ...


Fire Protection Analysis: Engineering Iv, Building 192, Cal Poly State University, San Luis Obispo, Paul Jenkins Jun 2020

Fire Protection Analysis: Engineering Iv, Building 192, Cal Poly State University, San Luis Obispo, Paul Jenkins

Fire Protection Engineering: Culminating Experience Project Reports

This report is an analysis of the fire protection capabilities of Engineering IV (Building 192) at Cal Poly University in San Luis Obispo, CA. The overall objective of this report was to assess whether the building and its fire protection systems supported the evacuation of occupants from the building in a safe manner before conditions became untenable during a fire event. The assessment was accomplished by performing a prescriptive and performance analysis.

The purpose of the prescriptive analysis was to determine whether the building egress components and fire protections systems were designed, built, and installed in compliance with all the ...


Military Maintenance Hangar, Eliot Jordan Jun 2020

Military Maintenance Hangar, Eliot Jordan

Fire Protection Engineering: Culminating Experience Project Reports

This report describes the building code compliance of a military aircraft hangar. The facility is evaluated for both prescriptive code compliance and for a performance-based compliance via the use of design fires analyzed with computer programs Fire Dynamics Simulator (FDS) and occupant egress analyzed with Pathfinder software as well as hand calculations utilizing Excel.

The prescriptive code analysis is done based upon a combination of Unified Facilities Criteria, International Building Code, and NFPA 101 codes and standards. Prescriptive compliance was checked against the building non separated occupancies of S-1 and B. The building was evaluated for building construction type IIB ...


Elewexe – Building 172b, California Polytechnic State University – San Luis Obispo, Anna M. Santoro Jun 2020

Elewexe – Building 172b, California Polytechnic State University – San Luis Obispo, Anna M. Santoro

Fire Protection Engineering: Culminating Experience Project Reports

California Polytechnic State University at San Luis Obispo recently finished constructing a new multimillion student housing project on campus. One of the six buildings, elewexe or 172B, from this housing complex was selected for a full evaluation of the fire and life safety systems using both prescriptive and performance based approaches. The building is a Type II-B four story dormitory with an R-2 occupancy classification.

For the prescriptive approach, the building was evaluated against the most current editions of the IBC and relevant NFPA code editions for building requirements, sprinkler design and fire alarm and detection. When looking at the ...


Residential Seismic Retrofit Cost For Home Located In Tustin, California, Sara Clark Jun 2020

Residential Seismic Retrofit Cost For Home Located In Tustin, California, Sara Clark

Construction Management

Seismically retrofitting a residential home not only protects the homeowner, but also helps them prepare for the future. Needless to say, many older homes are not up to the 2018 International Residential Code. As a result, many owners are uninformed about how much it will cost to retrofit their home and what changes will have to be made. The solution for this is determining a cost per square foot ratio that will help homeowners calculate an estimate for the retrofit of their home. Additionally, it is important to break this cost down into what specific changes need to be made ...


Fire Protection And Life Safety Analysis Of A Chicago Hotel, Thomas Hampton Jun 2020

Fire Protection And Life Safety Analysis Of A Chicago Hotel, Thomas Hampton

Fire Protection Engineering: Culminating Experience Project Reports

The following report contains an analysis of the life safety and fire protection features of a Chicago Hotel. The report is intended to meet the requirements for the Culminating Experience of the Cal Poly Master of Science Fire Protection Engineering Program.

The Chicago Hotel building chosen for the analysis is a mixed-use 7-story hotel. On the 1st, 2nd, and 7th floors of the building are spaces for mercantile and restaurant tenants as well as other spaces necessary for the operation of the building such as back of house space for the hotel, storage, employee locker rooms, hotel and retail lobbies ...


Cal Poly Engineering Iv Building, Kai Liu Jun 2020

Cal Poly Engineering Iv Building, Kai Liu

Fire Protection Engineering: Culminating Experience Project Reports

This report analyzes the fire protection systems of Engineering IV building at California Polytechnic State University, San Luis Obispo. It is a cumulative project of the Fire Protection Engineering Program at Cal Poly. The report consists of a prescriptive analysis and a performance-based design analysis. The building contains dry laboratories, classrooms, offices, and administrative spaces. The building is a three-story structure. There is an atrium that connects the first floor to the third floor. However, the building has a horizontal enclosure to separate the connection between the second floor and the third floor.

The prescriptive analysis is based on the ...


New Campus Life Center Fire Protection Evaluation, Shawn R. Block Jun 2020

New Campus Life Center Fire Protection Evaluation, Shawn R. Block

Fire Protection Engineering: Culminating Experience Project Reports

This project report is a fire and life safety evaluation of a newly constructed building. The new Campus Life Center (CLC) building is located on the campus of Emory University in Atlanta, Georgia. The CLC is a student center where students, staff, and guests can gather to socialize, study, eat and attend conferences. The prescriptive requirements were based on the Georgia State Fire Codes, adopted on January 2014 and served as code of record for this facility. Occupant classification was established from both International Building Code (IBC) and Life Safety Code (LSC), NFPA 101, to determine construction type, interior finish ...


Alternative Methods, Hunter Stabler May 2020

Alternative Methods, Hunter Stabler

LSU Master's Theses

ABSTRACT

In the realm of precognitive artmaking, the artist’s role is that of an antenna. One must be receptive to the subtle, invisible flow of creative novelty in order to participate in the involuntary channeling of new ideas, new processes, and alternative methods of creative production. Carving out new territory within the realm of static art is a primary objective for my artistic process. By utilizing digital fabrication tools, paired with my affinity for intricate craft and optical metagrobolization, I have created a body of work that invents alternative processes and unique aesthetic languages.

Digital imaging, digital modeling and ...


Product Realization Capstone: Element Proof Safety Steps For Willie Price Lab School, Catherine Thomas, Allan Heuerman, Jared Mumme May 2020

Product Realization Capstone: Element Proof Safety Steps For Willie Price Lab School, Catherine Thomas, Allan Heuerman, Jared Mumme

Honors Theses

The purpose of this document is to describe the process we took to complete our capstone which paired the Center for Manufacturing Excellence with the Willie Price Lab School. The goal of the capstone was to remake step stools for the students of Willie Price, as the last stools failed to withstand weather damage. However, with the COVID-19 pandemic, plans were hindered, shifting the goal from actually producing the steps to creating instructions so that a younger Center for Manufacturing class could complete the production at a later date. Standardized Work Instructions, a detailed production plan, and engineering drawings were ...


Gait Characterization Using Computer Vision Video Analysis, Martha T. Gizaw May 2020

Gait Characterization Using Computer Vision Video Analysis, Martha T. Gizaw

Undergraduate Honors Theses

The World Health Organization reports that falls are the second-leading cause of accidental death among senior adults around the world. Currently, a research team at William & Mary’s Department of Kinesiology & Health Sciences attempts to recognize and correct aging-related factors that can result in falling. To meet this goal, the members of that team videotape walking tests to examine individual gait parameters of older subjects. However, they undergo a slow, laborious process of analyzing video frame by video frame to obtain such parameters. This project uses computer vision software to reconstruct walking models from residents of an independent living retirement ...


The Problem-Solving Workshop: Adapting Process Improvement Methodologies For K-12 Educators, Madison Chan May 2020

The Problem-Solving Workshop: Adapting Process Improvement Methodologies For K-12 Educators, Madison Chan

Honors Theses

Lean and Six Sigma have been lauded in the manufacturing sector for their ability to streamline processes, reduce waste, minimize variation and defects, and improve the bottom line. Although these methodologies have begun to spread to other industries, their impact has been relegated to certain areas and has largely missed others. One area that bears strong consideration is education. Education is heavily process-based and notoriously tight on resources. It is hypothesized that if educators were taught the basics of these strategies and were able to implement them in the classroom setting, the effectiveness of both teaching strategies and classroom operations ...


Removal Of Fluoride From Mine Water Via Adsorption For Land-Applied Soil Amendment, Ethan Phan, Adrian Damian, Kevin Le, Mary Johnson, Courtney Golman, Michelle Dopp, Jacqueline Payne May 2020

Removal Of Fluoride From Mine Water Via Adsorption For Land-Applied Soil Amendment, Ethan Phan, Adrian Damian, Kevin Le, Mary Johnson, Courtney Golman, Michelle Dopp, Jacqueline Payne

Chemical Engineering Undergraduate Honors Theses

The process of mining minerals and elements from ores and rocks creates acid rock drainage (ARD). This drainage is water that contains heavy metals and minerals that can be dangerous for human consumption or damaging to the environment. The mining industry has employed various water treatment methods to prevent these metals and minerals from being discharged into water sources such as ponds, lakes, and streams. Currently, the most used treatment process in the mining industry is a cost-effective high-density sludge (HDS) process. This method reduces the concentration of metals and elements with the use of lime/limestone. However, the concentration ...


Controller And Headset Stand: Designing And Manufacturing, Tyler Butler, Chad Gutierrez Apr 2020

Controller And Headset Stand: Designing And Manufacturing, Tyler Butler, Chad Gutierrez

Honors Theses

This report shows how our Senior Center for Manufacturing Excellence team took our product, a controller and headset stand, from an idea into a mass producible product. We first identified the problem of headphones and controller storage and sought to solve it through our product design. Market research was performed to ensure that this would be a successful product in today’s marketplace. The trials of prototypes demonstrated what features could and could not be implemented into the design of the product. The group then designed a manufacturing plan for the product and found the projected market for the product ...


Understanding Individual Color Perceptions Within Print And Digital Media, Morgan Haskins Apr 2020

Understanding Individual Color Perceptions Within Print And Digital Media, Morgan Haskins

Honors Theses

Color is a subjective attribute that is seen differently by each individual and this research is intended to build upon the subjective nature of color perceptions. This research aims to determine the effect of subjectivity on print and digital design and of extended gamut printing and effective color management on color perception. The significance of understanding color perception is directly applicable to consumer perception of designs using color. If designers want their brand to be immediately recognized and be positively accepted, they must be able to accurately reproduce their brand colors with little to no color difference and be able ...


Comparison Of Pretreatment Methods For Cellulosic Ethanol, Michael Eaton Apr 2020

Comparison Of Pretreatment Methods For Cellulosic Ethanol, Michael Eaton

Honors Theses

Bioethanol provides a great alternative to regular ethanol sources because it uses secondary substrates that are byproducts of other industries, rather than substrates that compete with food products. The technology is available for industrial bioethanol production, but the production costs just aren’t competitive enough with traditional ethanol production. The goal of this project was not to prepare a proposal for a bio-ethanol plant with all of the associated costs and financial calculations, but rather to provide a direct comparison of two pretreatment methods to highlight which factors could make one method less costly than the other. Pretreatment is a ...


Paper Recycling Fiber Recapture, Abigail Cortright Apr 2020

Paper Recycling Fiber Recapture, Abigail Cortright

Honors Theses

The goal of the Yoda Chemical Company Paper Recycling Fiber Recapture project and subsequent report was to identify and recommend plant optimization opportunities associated with the potential recovery of five waste streams. Additionally, an analysis of the upgrade’s design was completed in order to determine the economic viability of fiber recapture. Beginning the analysis, the five waste streams were identified and analyzed. The waste streams include the top liner, back liner, and filler liner primary cleaner rejects on the K1 machine, the common rejects from under the K3 paper machine, and the tertiary cleaner rejects from stock preparation.

Two ...


Development Of A Flexible Printed Paper-Based Battery, Justone Crosby Apr 2020

Development Of A Flexible Printed Paper-Based Battery, Justone Crosby

Honors Theses

Market demand for flexible electronics continues to grow, which, in turn, increases the demand for flexible energy storage devices. There are several types of energy storage devices available, including the alkaline (Zn-MnO2) battery, which is the subject of this project. This project's objective was to develop a flexible, printed paper-based battery, which may be a sustainable solution to the increasing market demand. This device is low-cost and can be manufactured commercially using a scalable process.

The proposed device is an alkaline flexible cell, whose components can be printed onto paper. This alkaline system includes a zinc-based negative electrode ...


A Data-Driven Model For Multiphase Flow In Pipes, Francisco Bruno Xavier Teles Apr 2020

A Data-Driven Model For Multiphase Flow In Pipes, Francisco Bruno Xavier Teles

LSU Master's Theses

Steady-state models commonly used to determine pressure gradient in wells are either empirical correlations or are dependent on empirical parameters correlated to specific flow conditions such as pressures, temperatures, fluid types, and pipe inclinations. The empirical nature of these models leads to limitations in predicting cases in a wide range of conditions. Established models may be delivering inaccurate results when applied at conditions beyond those which they were derived from. For instance, models available in the literature have shown to have limitations when used in large diameter pipes and high-velocity scenarios.

This work aims to evaluate different flow models with ...


Dual-Cure Benzoxazine Networks For Additive Manufacturing, Jeremy Weigand Apr 2020

Dual-Cure Benzoxazine Networks For Additive Manufacturing, Jeremy Weigand

Dissertations

The research presented addresses the design of novel materials for additive manufacturing through a dual-cure approach that combines UV initiated free-radical polymerization of an acrylic network combined with the thermally initiated ring opening polymerization of a benzoxazine network. This work is split into three primary sections: the first and second sections focus on the synthesis and characterization of networks based on dual-cure BOX monomers, while the third develops simulation tools to further investigate thermoset networks prepared via additive manufacturing. A novel 3D printing formulation based on a multifunctional benzoxazine (BOX) monomer possessing both photo and thermally polymerizable functional groups is ...


Dynamic Procedural Music Generation From Npc Attributes, Megan E. Washburn Mar 2020

Dynamic Procedural Music Generation From Npc Attributes, Megan E. Washburn

Master's Theses

Procedural content generation for video games (PCGG) has seen a steep increase in the past decade, aiming to foster emergent gameplay as well as to address the challenge of producing large amounts of engaging content quickly. Most work in PCGG has been focused on generating art and assets such as levels, textures, and models, or on narrative design to generate storylines and progression paths. Given the difficulty of generating harmonically pleasing and interesting music, procedural music generation for games (PMGG) has not seen as much attention during this time.

Music in video games is essential for establishing developers' intended mood ...