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2017

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Full-Text Articles in Other Engineering

One-Way Coupled Hydroelastic Analysis Of Aluminum Wedge Under Slamming, Mallikarjun Kalluru Dec 2017

One-Way Coupled Hydroelastic Analysis Of Aluminum Wedge Under Slamming, Mallikarjun Kalluru

University of New Orleans Theses and Dissertations

The concept of using aluminum as the primary construction material for high speed ships and the hydroelastic behavior of the structure is widely gaining importance as a significant research topic in naval architecture. Aluminum is lighter than steel and hence can be predominantly used in high speed crafts which experiences significant slamming. This thesis work is focused on wedge shaped models. Free fall wedge impact is studied and a FORTRAN 90 computer program is developed to estimate the structural response of the wedge experiencing slamming by the use of matrix methods, finite element techniques and Newmark-Beta numerical time integration methods ...


Design, Fabrication, And Demonstration Of Square Holey Dielectric Thz Waveguides, Nafiseh Aflakian Dec 2017

Design, Fabrication, And Demonstration Of Square Holey Dielectric Thz Waveguides, Nafiseh Aflakian

Electrical Engineering Theses and Dissertations

A variety of novel dielectric THz waveguides were demonstrated to increase a channel capacity in a chip-to-chip communication system. Square holey cladding dielectric THz waveguides were designed, fabricated, and characterized. The single material holey cladding waveguide is low loss and easy to fabricate compared to doped core fibers. The square geometry supports two states of polarization with minimum cross-talk for polarization division multiplexing applications. Simulations show the waveguide supports two states of polarization across the frequency range of 180 GHz to 360 GHz. In addition, simulations show good mode isolation and low bending losses. Holey cladding square waveguide was fabricated ...


Pubwc Bathroom Review App, Clay Jacobs Dec 2017

Pubwc Bathroom Review App, Clay Jacobs

Computer Science and Software Engineering

For my senior project, I developed an iOS application to allow

users to find, rate, and review nearby public restrooms. The app takes

advantage of crowdsourced data to collect bathroom and review

information. I also created a REST API to interface with the backend

database that could be used to port the application to other platforms.


Fire And Life Safety Analysis Of The Production Facility (Pf)- 870, Nolan Baker Dec 2017

Fire And Life Safety Analysis Of The Production Facility (Pf)- 870, Nolan Baker

Culminating Experience Project Reports in Fire Protection Engineering

The purpose of the fire and life-safety analysis was to perform a prescriptive-based and performance based analysis on the fire and life safety systems in the Production Facility (PF) at Sandia National Laboratories (SNL). The prescriptive-based analysis determined if the building met applicable code requirements for existing life safety systems. The performance-based analysis consisted of a series of fire scenarios to ensure the fire and life safety systems allowed adequate egress time for occupants in the event of a fire. The prescriptive-based analysis was based on the Life Safety Code (LSC) and the International Building Code (IBC). The occupancy of ...


Sandia National Laboratories' Building 858/North Fabrication Facility, Daniel Garcia Dec 2017

Sandia National Laboratories' Building 858/North Fabrication Facility, Daniel Garcia

Culminating Experience Project Reports in Fire Protection Engineering

In this report, a fire protection and fire hazard analysis has been performed on a semi- conductor facility, abbreviated as the Fab, located on Kirtland Air Force Base in Albuquerque, New Mexico. The Fab is part of the MESA complex which is operated by the NTESS Corporation for the Department of Energy (DOE) at Sandia National Laboratories. The prescriptive analysis of this report addresses the various fire protection systems in the facility such as fire suppression, and fire alarm. The prescriptive analysis is based on national codes and standards from the National Fire Protection Association (NFPA) and from the International ...


Mechanistic Modeling Of Nanoparticle-Stabilized Supercritical Co2 Foams And Its Implication In Field-Scale Eor Applications, Doris Patricia Ortiz Maestre Nov 2017

Mechanistic Modeling Of Nanoparticle-Stabilized Supercritical Co2 Foams And Its Implication In Field-Scale Eor Applications, Doris Patricia Ortiz Maestre

LSU Master's Theses

Previous experimental studies show that nanoparticle-stabilized supercritical CO2 foams (or, NP CO2 foams) can be applied as an alternative to surfactant foams, in order to reduce CO2 mobility in gas injection enhanced oil recovery (EOR). These nanoparticles, if chosen correctly, can be an effective foam stabilizer attached at the fluid interface in a wide range of physicochemical conditions.

By using NP CO2 foam experiments available in the literature, this study performs two tasks: (i) presenting how a mechanistic foam model can be used to fit experimental data and determine required model parameters, and (ii) investigating the ...


Geophysical Investigation Of Dewatering In Lolo Creek, Southwest Missoula, Montana, Usa, Akpofure Orubu Oct 2017

Geophysical Investigation Of Dewatering In Lolo Creek, Southwest Missoula, Montana, Usa, Akpofure Orubu

Graduate Theses & Non-Theses

Electrical Resistivity Tomography (ERT), Spontaneous Potential (SP), Multichannel Analysis of Surface Waves (MASW) and Seismic Refraction Tomography methods have been used to provide valuable information on the seepage pathways leading to dewatering of Lolo Creek and the subsurface lithology of the area. Results from the MASW and seismic refraction tomography studies show a bedrock elevation of about 35 m close to Highway 93 and about 27 m at the end of the 288 m East-West seismic line running through Lewis and Clark Drive. ERT results show a shallow high resistive geolectric layer underlain by low resistive layers. The Eocene bedrock ...


Geology Of The Middle Member Of The Bakken Formation In Divide County, North Dakota, Mandy Brewer Oct 2017

Geology Of The Middle Member Of The Bakken Formation In Divide County, North Dakota, Mandy Brewer

Graduate Theses & Non-Theses

The Upper Devonian-Lower Mississippian Bakken Formation of Williston Basin is a large unconventional oil and gas play consisting of a lower shale member, a middle member, and an upper shale member. The middle member is a production target because it contains porosity and petroleum expelled from the shale members around it. Variable production and sweet spots of the Bakken in the study area of Divide County, ND and 15 miles around Divide County in the USA prompted a closer look at middle member Bakken sediments. For this study, 606 wells were correlated and thin sections from two wells located 10 ...


Value Of Flow Measurement Accuracy In Hydropower Plants With Short Converging Intakes, Mark Herbert Christian Aug 2017

Value Of Flow Measurement Accuracy In Hydropower Plants With Short Converging Intakes, Mark Herbert Christian

Doctoral Dissertations

This report documents research undertaken to determine the value of flow measurement accuracy in hydropower plants with short converging intakes. The motivation was to provide a suite of tools and best practices to streamline flow measurement sensor modeling in any type of hydropower plant. The Lower Granite Lock and Dam hydroplant was leveraged in development of the analysis tool. Computational fluid dynamics (CFD) models of Lower Granite Unit 4 provided necessary information about the hydraulic structures distribution through the unit. Two different CFD models were created. The first was done using the as-built plans; the second was created through modifications ...


Study On Agricultural Tractor Operator Safety In Rollover Accidents, Farzaneh Khorsandi Kouhanestani Aug 2017

Study On Agricultural Tractor Operator Safety In Rollover Accidents, Farzaneh Khorsandi Kouhanestani

Doctoral Dissertations

Agriculture is one of the most dangerous industries in the US. Tractor accidents are the major cause of death in agriculture, producing about one half of the fatal accidents. Tractor overturn is the most common cause of death in tractor accidents. Three projects related to tractor operator safety in rollover accident were defined.

The aim of first project is to develop a Finite Element (FE) model to predict the Roll-Over Protective Structure (ROPS) performance under the standard SAE J2194 (SAE, 2009) static test. The developed model was validated by comparing the model results with experimental test results. The developed model ...


Analytical Modeling And Characterization For Avalanche Photodiodes, Erum Jamil Jul 2017

Analytical Modeling And Characterization For Avalanche Photodiodes, Erum Jamil

Optical Science and Engineering ETDs

For applications requiring the detection of low light levels, avalanche photodiodes (APDs) are the preferred detector of choice. The reason for this is their internal gain, which improves the APDs sensitivity (up to 5 − 10 dB) when compared to PIN-based photodiodes. The internal gain for an APD comes from the process of impact ionization process; however, due to its stochastic nature, the multiplication gain comes at the expense of extra noise. This multiplication noise, called the excess noise, is a measure of the gain uncertainty. Despite significant progress made in the fabrication process for the APDs, the excess noise remains ...


Full Simulation For The Qweak Experiment At 1.16 And 0.877 Gev And Their Impact On Extracting The Pv Asymmetry In The N→Δ A Transition, Hend Abdullah Nuhait Jul 2017

Full Simulation For The Qweak Experiment At 1.16 And 0.877 Gev And Their Impact On Extracting The Pv Asymmetry In The N→Δ A Transition, Hend Abdullah Nuhait

Doctoral Dissertations

The Qweak project is seeking to find new physics beyond the Standard Model. It is aimed to measure the weak charge of the proton, which has never been measured, at 4% precision at low momentum transfer. The experiment is performed by scattering electrons from protons and exploiting parity violation in the weak interaction at low four-momentum transfer.

In this experiment, two measurements were considered: which are elastic and inelastic. The elastic is to measure the proton's weak charge. In addition, the inelastic asymmetry measurement, which will extract the low energy constant dΔ. That measurement works in the neutral ...


Recreation Center- Cal Poly- Fire And Life Safety Analysis, Hao Yan Jun 2017

Recreation Center- Cal Poly- Fire And Life Safety Analysis, Hao Yan

Culminating Experience Project Reports in Fire Protection Engineering

This report discusses the fire and life safety analysis of the existing fire protection features installed in the Recreation Center building on the California Polytechnic State University. The analysis is conducted using two different approaches, the prescriptive analysis of the building and the performance-based design analysis.

The prescriptive analysis approach will examine installed fire protection features and systems in accordance with the International Building Code, such as structural fire protection, water-based suppression system, alarm and detection system, egress system, smoke control, and fire safety management plan. The egress system failed when the old gym area was used as a fixed ...


Warren J. Baker Center For Science Building Review, John Pagliero Jun 2017

Warren J. Baker Center For Science Building Review, John Pagliero

Culminating Experience Project Reports in Fire Protection Engineering

This report is a focused review and discussion of the life safety and fire protection design of Cal Poly Building 180: The Warren J. Baker Center for Science in partial fulfillment for the requirements of a Master’s of Science degree in Fire Protection Engineering at Cal Poly, San Luis Obispo. The report focuses on discussion areas specific to the curriculum of the Cal Poly Fire Protection Master’s program, including analysis of egress, structural fire protection, detection, alarm and automatic protection designs in comparison to current and effective codes and standards. This report also includes a, performance based, tenability ...


Acme Semiconductor Foundry- Fab Expansion- Fire Protection Engineering Analysis Report, Jacob Epstein Jun 2017

Acme Semiconductor Foundry- Fab Expansion- Fire Protection Engineering Analysis Report, Jacob Epstein

Culminating Experience Project Reports in Fire Protection Engineering

The ACME Semiconductor Foundry – Fab Expansion is a new four story addition to an existing four story foundry facility. The Fab Expansion is approximately 154,500 square feet in footprint area that is connected to an existing four-story Fab Building. This report has been prepared to identify the building’s fire protection and life safety features that must be provided in accordance with the applicable codes and standards. The ACME Semiconductor Fab Expansion will contain multiple separated uses and will be required to be constructed with Type I-B construction. Building Construction Documents are provided in Appendix A showing compliance with ...


Los Angeles Air Force Base Fitness Center, Colin White Jun 2017

Los Angeles Air Force Base Fitness Center, Colin White

Culminating Experience Project Reports in Fire Protection Engineering

The purpose of this report is to evaluate the life safety features of the Los Angeles Air Force Base Fitness Center, located on Los Angeles Air Force Base in El Segundo, California. This report is produced in partial fulfillment of the requirements of a Master’s of Science in Fire Protection Engineering from the Fire Protection Engineering Program at California Polytechnic State University’s San Luis Obispo Campus. This analysis approaches life safety in the fitness center from two angles. First, a prescriptive approach is used to evaluate the building’s compliance with current codes and standards that govern construction ...


Taft Community College- New Student Center- Fire And Life Safety Analysis, Matthew Winston Jun 2017

Taft Community College- New Student Center- Fire And Life Safety Analysis, Matthew Winston

Culminating Experience Project Reports in Fire Protection Engineering

The following report is a fire and life safety investigation into a new facility. The planned facility is a new Student Center at Taft Community College. The prescriptive requirements as set forth by the most up to date codes and standards chosen for the project are met. The building has been properly classified with respect to occupancy and construction type. Appropriate design for interior partitions and exterior walls have been identified. Interior finish requirements are elaborated so that adherence to these guidelines is made clear. The fire sprinkler system has an adequate supply of water from the municipal water supply ...


Maumus Center- Fire Protection Engineering Analysis, Tyler Mobley Jun 2017

Maumus Center- Fire Protection Engineering Analysis, Tyler Mobley

Culminating Experience Project Reports in Fire Protection Engineering

This report is a fire protection engineering analysis of the Maumus Center, a science center and planetarium, in Arabi, Louisiana. The objective of this analysis is to outline the code defined requirements and to confirm the minimum level of safety from fire is attained. Analyzed in the report are the design requirements prescribed in the adopted building and life safety codes, and the performance of the prescribed design. The prescriptive review addresses the building construction in regards to fire protection, the means of egress, the water‐based fire suppression system, and the fire alarm system. The performance review incorporates the ...


Child Development Center- Fire Protection Analysis, Tyler Ball Jun 2017

Child Development Center- Fire Protection Analysis, Tyler Ball

Culminating Experience Project Reports in Fire Protection Engineering

This report contains two separate forms of analysis, Prescriptive-Based Analysis and Performance-Base Analysis. The Prescriptive Analysis discusses an overview of the building and its features whereas the Performance-Based Analysis discusses the building meeting applicable codes and standards as discussed in NFPA 101 Life Safety Code 2012 Edition, Unified Facilities Code (UFC), International Building Code (IBC) 2012 Edition, and the SFPE Handbook of Fire Protection Engineering. The Child Development Center (CDC) was analyzed as a new construction building. There are also noted assumptions within the report where necessary information about the building could not be obtained due to information restrictions from ...


Orfalea College Of Business- Fire & Life Safety Analysis, Napoleon E. Nino Jun 2017

Orfalea College Of Business- Fire & Life Safety Analysis, Napoleon E. Nino

Culminating Experience Project Reports in Fire Protection Engineering

This report details the prescriptive and performance based analyses performed on the Orfalea College of Business building, located on the Cal Poly San Luis Obispo campus. Designed in accordance with the 1985 Uniform Building Code (UBC), this building is evaluated for compliance with the requirements prescribed under relevant codes in place as of 2016. The main function of this building is to serve both academic and administrative purposes, including classrooms and staff offices. Aspects of the building analyzed include: Egress Systems, Structural Fire Protection, Smoke Management, Fire Detection, Fire Notification, and Fire Suppression The prescriptive analysis demonstrates the lack of ...


Dci Data Center Building- Fire Protection Analysis, Bryan Hathaway Jun 2017

Dci Data Center Building- Fire Protection Analysis, Bryan Hathaway

Culminating Experience Project Reports in Fire Protection Engineering

A fire protection analysis utilizing prescriptive and performance based design was performed for the existing building (DCIB) located in Minnesota. A new tenant is investigating converting the DCIB from a building used for data center, to an office building which will utilize an open office concept.

A prescriptive analysis of the building was performed to determine the life safety, fire suppression, fire alarm and structural requirements to ensure compliance with current applicable codes and standards. The prescriptive requirements are outlined and reviewed in Section 1 through Section 5 of this analysis. Modifications to the DCIB are required to achieve the ...


Woodward Willis Building- Fire And Life Safety Evaluation, Jordan Nerat Jun 2017

Woodward Willis Building- Fire And Life Safety Evaluation, Jordan Nerat

Culminating Experience Project Reports in Fire Protection Engineering

This project report is an academic exercise, completed as part of the MS Fire Protection Engineering program at California Polytechnic State University. This project is a culminating report with regards to life safety analysis of the Woodward Willis Building located in Detroit Michigan, which utilizes the fundamental and applied courses of the fire protection engineering program.

The analysis is based on a prescriptive analysis of the building and its features, and also a performance analysis which entails the life safety aspect of the building. The analysis of the building is performed in accordance with NFPA 101 Life Safety Code 2015 ...


Lax Continental Grand- Fire Protection And Life Safety Analysis, Aden Malek Stepanians Jun 2017

Lax Continental Grand- Fire Protection And Life Safety Analysis, Aden Malek Stepanians

Culminating Experience Project Reports in Fire Protection Engineering

A prescriptive analysis of the project building was conducted using the 2016 California Building & Fire Code along with current codes and standards pertaining to specific elements. Encompassed in this analysis is a review of the project building’s structural fire protection, water-based suppression systems, fire detection and alarm systems, smoke control and occupant egress.

Void of construction documentation, the analysis of the structural fire protection of the building was determined by evaluating the current design and use. The restricting factor that determine the construction type was the assembly use on the 6th floor. Other than Type I construction, assembly use ...


An Experimental Study In The Hydroelastic Response Of An Aluminum Wedge In Drop Tests, Jonathan R. Eastridge May 2017

An Experimental Study In The Hydroelastic Response Of An Aluminum Wedge In Drop Tests, Jonathan R. Eastridge

University of New Orleans Theses and Dissertations

Slamming of marine planing craft is expected to arise due to the high speed nature of their operating conditions. High hydrodynamic forces are inevitably induced causing the shell plating to deflect, which in turn can influence the flow physics surrounding the hull. In order to study the hull’s hydroelastic response due to a slamming event, wedge drop experiments were performed with an aluminum wedge of 57 inches in length, 47 inches in breadth, and 20 degree deadrise with 1/4 in. thick unstiffened bottom panels. The elastic behavior of the hull plating was measured via two methods. The first ...


Anisotropy And Emission From Air With Laser Filaments, Mohammadamin Rasoulof May 2017

Anisotropy And Emission From Air With Laser Filaments, Mohammadamin Rasoulof

Optical Science and Engineering ETDs

Laser filaments are extremely interesting entities for their unique characteristics. The high intensity inside the laser filaments creates nonlinear effects that are useful in many areas of optics. The laser filamentation is an appealing tool in the stand-off spectroscopy for its ability to propagate over long distances while maintains its extreme intensity. However, depletion of energy hinders its propagation over any desired distance. In order to understand the effect of laser filaments on the transparent medium that they propagate through, one needs to investigate interaction of the laser filaments with the constituents of media. In this work we study the ...


Spatio-Temporally Resolved Optical Laser-Induced Damage To Study Defect Limited Performance Of Optical Films, Yejia Xu May 2017

Spatio-Temporally Resolved Optical Laser-Induced Damage To Study Defect Limited Performance Of Optical Films, Yejia Xu

Optical Science and Engineering ETDs

Laser-induced damage (LID) limits the performance of optical films and surfaces. Despite intensive study for decades following the invention of laser, the study of LID remains timely and attractive, because for nanosecond laser pulses the LID process is controlled by randomly distributed defects of unknown origin.

Traditional damage tests yield little information about the defects present in optical films and surfaces. These methods record a "yes" or "no" damage result after each test and cannot distinguish the different defects present.

This dissertation focuses on the development of a new kind of laser-induced damage test that measures the actual fluence (intensity ...


Technology From The Perspective Of Society And Public Interest, Chanwoon Park May 2017

Technology From The Perspective Of Society And Public Interest, Chanwoon Park

Purdue Polytechnic Doctoral Dissertations

The ultimate goals of this study were to determine ways to reconcile technology with public interest and to understand the relationship between what we know and how we feel about technology. To achieve the goals, related literatures were reviewed; the mechanism of technology development was described with empirical data; and human perception of technology was tested with a survey. The duality of technology that implied technological inherencies of technical reason and social meanings was the principle assumption of the study. Neutrality of technology becomes a myth with the presence of social meanings embodied in technology. Given the huge impact of ...


Passive Solar Distillation Of Acid Rock Drainage, Stephanie Shreve, Luke Galuska, Anna Stoller, Alex Raney, Agustin Caceres, Caitlyn Chambers, Chris Graham, Devin Hazlett May 2017

Passive Solar Distillation Of Acid Rock Drainage, Stephanie Shreve, Luke Galuska, Anna Stoller, Alex Raney, Agustin Caceres, Caitlyn Chambers, Chris Graham, Devin Hazlett

Chemical Engineering Undergraduate Honors Theses

Arkansas Razorback Distillers (A.R.D.) has developed a passive solar distillation system for treating acid rock drainage (ARD) from legacy (i.e., abandoned) mines. The solar still addresses the need to reduce both the metal sulfate contaminants as well as the acidity of acid rock drainage. During the design phase, A.R.D. addressed the need for the system to be low cost, simple, and effective for general use as well as a specified location. To demonstrate the applicability of the solar still, A.R.D. used the Freeport McMoRan Inc. Copper Queen legacy mine in Bisbee, Arizona, as ...


Feasibility Analysis Of Recycled-Paper Fueled Agricultural Desalination Process: Design Of Recycling And Desalination Processes, Sean M. Street May 2017

Feasibility Analysis Of Recycled-Paper Fueled Agricultural Desalination Process: Design Of Recycling And Desalination Processes, Sean M. Street

Chemical Engineering Undergraduate Honors Theses

While recycled-paper-briquettes have lower BTU ratings than wood, and fresh water is typically a low cost to agricultural entities, situations exist where economic and/or environmental factors may allow a recycled-paper-fueled desalination process to be viable for some specific agricultural entities. This document begins with a discussion of how water is priced throughout India before analyzing trends in the Maize futures market. By tying the two together, an opportunity is created for solution which the remainder of the document presents. Paper waste in India makes-up 50% of its solid waste country-wide; however, only a quarter of that waste is recycled ...


Uncertainty Of Stereo Piv Calibration And Self-Calibration, Braydon J. Williams May 2017

Uncertainty Of Stereo Piv Calibration And Self-Calibration, Braydon J. Williams

All Graduate Theses and Dissertations

Particle image velocimetry (PIV) is a widely used fluid measurement technique. Three dimensional PIV data or stereo PIV is acquired using two cameras. Stereo cameras are calibrated from camera coordinates, pixels, to real world units such as millimeters using calibration models. Stereo calibration is fundamental to the accuracy of a PIV measurement. In this thesis, the accuracy of the stereo calibration is assessed. The mean error of stereo calibration was found to be 0.23%.