Engineering Commons^™

Socio-Economic Effects Of Orisumbare Sawmilling Industries On The Residents Of Ikire, Irewole Local Government Area Osun-State, Nigeria, Umar Usman Jimoh, D R. Ogungbemi

CSID Journal of Infrastructure Development

The study examined the socio-economic effects of the Orisumbare sawmill industry on the residents of Ikire, Irewole local government area of Osun State. The objectives of the study include, examination of the socio-economic characteristics of the respondents, the positive effects of industry on the residents, the negative impacts of industry on the residents, and the perceived environmental-induced diseases caused by industrial activities. A case study research design was adopted, while both primary and secondary data were utilised. A multistage sampling technique was used, in which a buffer zone of 900m radius was made to delineate the zone of industries’ influence. …

Analysis Of The Effects Of Service Delivery On The Wellbeing Of Internally Displaced Persons (Idps) In Federal Capital Territory (Fct), Abuja, Olusegun O. Idowu, Valda Martins, Ndako B. Santali, Jonathan U. Adama, Adekunle S. Adeogun, Gideon Danlami

CSID Journal of Infrastructure Development

The provision of services, encompassing substandard medical facilities, inadequate housing conditions, limited access to electricity, insufficient recreational amenities, and the absence of potable water supply, has emerged as a significant impediment confronting Internally Displaced Persons (IDPs) both domestically and globally. The present investigation sought to evaluate the impact of service delivery on the welfare of IDPs residing in the Federal Capital Territory (FCT), Abuja. The objectives of this inquiry were to assess the socioeconomic attributes of the IDPs, scrutinize the types and efficacy of service delivery within the IDP camps, and appraise the consequences of service delivery on the well-being …

Formulation, Characterization, And In Vivo Immunogenicity Evaluation Of Heat-Stabilized Dissolvable Polymeric Microneedles, Aidan Lane Leyba

Biomedical Engineering ETDs

Since its introduction, vaccination has improved health outcomes tremendously. However, modern vaccination efforts are still difficult to implement, particularly in developing countries with warm climates. This includes complex and expensive cold-chain management of vaccines to maintain stability, a lack of medical personnel to administer parental vaccines, and needle phobia. As an alternative, dissolvable microneedles have recently been studied for their simple and painless application. In this thesis, I present a novel manufacturing process for polymer-based dissolvable microneedles, loaded with virus-like particles vaccines conjugated to TRIO or Sialokinin peptides to target malaria and arboviruses, respectively. We have performed multiple characterization studies …

Research Of The Influence Of Dust On Photovoltaic Modules, Anvarjon Mirolimov, Xalmurat Iliev

Technical science and innovation

The influence of dust concentrations on the current-voltage characteristics (voltampere characteristics) of photovoltaic modules (PVM) based on crystalline silicon in laboratory conditions. It was investigated how an uncleaned panel affects the output power. The tests were carried out in the city of Tashkent on the territory of the “National Research Institute of Renewable Energy Sources”. The objects were located co-plurally as specified in GOST R 60904-1 Photoelectric devices. Part 1. Measurement of current-voltage characteristics. Measurements of a cleaned photovoltaic module with a maximum power of 330 W and not a cleaned one of 236 W were obtained. Based on the …

Engineering News, Spring 2024, School Of Engineering

Engineering News

No abstract provided.

Impulse, Spring 2024, Jill Fier, Micayla Standish, Jerome J. Lohr College Of Engineering

Impulse (Jerome J. Lohr College of Engineering Publication)

2 | Kurt Cogswell Retirement
4 | Nadim Wehbe Retirement
6 | George Hamer Retirement
8 | Basu Receives Career Award
9 | New Faculty
10 | Celebration of Faculty Excellence
11 | Lohr College of Engineering Awards
12 | Vern Schaefer Distinguished Engineer
14 | Mike Headley Distinguished Engineer
16 | Transportation Center Funding
18 | SDSU Welcomes Papua New Guinea Students
21 | Robotics Team Going to World Competition
22 | Engineering Students in Fine Arts
24 | By the Numbers
26 | Concrete Program’s First Graduate
28 | Noah Nielsen Headed to U.S. Space Force
30 | …

Sustainable Design And Construction With Cob, Alessandro Moya, Bailey Mclaughlin, Maddie Ly, Quinn Boardman

Civil, Environmental and Sustainable Engineering Senior Theses

Conventional building materials contribute to over 16% of global greenhouse gas emissions annually, therefore, more sustainable materials must be explored. The most readily available material is earth, cob being one of them. Cob is a monolithic earthen material made up of sand, clay, and straw, integrated using water. While this material has been used for thousands of years across the world, it is lacking research, and thus, limiting its implementation into official codes. This project tested six (6) 2’x 2’ cob walls, three (3) six (6) inch thick walls and three (3) twelve (12) inch thick walls using the ASTM …

Use Of Mobile Technology To Identify Behavioral Mechanisms Linked To Mental Health Outcomes In Kenya: Protocol For Development And Validation Of A Predictive Model, Willie Njoroge, Rachel Maina, Frank Elena, Lukoye Atwoli, Anthony Ngugi, Srijan Sen, Stephen Wong, Linda Khakali, Andrew Aballa, James Orwa, Moses Nyongesa, Jasmit Shah, Amina Abubakar, Zul Merali

Brain and Mind Institute

Objective:This study proposes to identify and validate weighted sensor stream signatures that predict near-term risk of a major depressive episode and future mood among healthcare workers in Kenya.

Approach: The study will deploy a mobile application (app) platform and use novel data science analytic approaches (Artificial Intelligence and Machine Learning) to identifying predictors of mental health disorders among 500 randomly sampled healthcare workers from five healthcare facilities in Nairobi, Kenya.

Expectation: This study will lay the basis for creating agile and scalable systems for rapid diagnostics that could inform precise interventions for mitigating depression and ensure a healthy, resilient …

Voxart: Handcrafting Vocal Audio Effects, Samuel Stephen, Anthony Ryan

Electrical and Computer Engineering Senior Theses

Musicians, specifically vocalists, need new ways to integrate artistic expression into their craft. VoxArt is a system utilizing hand movements to control digital audio effects. Giving artistic expression into the hands of the vocalist as a conductor is to an orchestra emphasizing vocals with hand movements will have new meaning for vocalists. The development of the project aimed to use simple, easy to use off the shelf hardware such as a sensor on a glove to measure hand angle positions and in effect, alter audio effect parameters using a closed loop control system. Research and development has led to the …

Enhancement Of Rainfall Prediction And Satellite Precipitation Estimates: A Machine Learning Approach For United Arab Emirates, Faisal Baig

Dissertations

The accurate estimation of rainfall in arid regions presents a significant challenge due to sparse ground observations and complex atmospheric dynamics. This dissertation investigates various aspects of rainfall estimation and prediction in the United Arab Emirates (UAE), employing Satellite Precipitation Products (SPPs) and Machine Learning (ML) techniques. The research is structured around four key articles, each addressing different facets of the overarching theme. The first publication examines rainfall variability, consistency, and concentration in the UAE by comparing satellite precipitation products with rain gauge observations, highlighting the discrepancies between the two data sources. The second publication evaluates the performance of precipitation …

Barriers Implementing Low Energy Buildings In Egypt, Gehad Ahmed Asran, Adel Rdwan, Mouatafa Baghdady

Journal of Engineering Research

One of the most contentious issues that has gained popularity over the past 20 years is energy-saving design. Buildings in hot regions have been the subject of a huge and expanding body of literature because they can conserve energy by utilizing a variety of passive design solutions. This paper gives a brief overview of the current literature on low energy buildings in Egypt during the last ten years. The goal is to identify the implementation barriers, both technological and non-technological, for low-energy buildings in Egypt. Using a five-point Likert scale, a questionnaire tool that asks participants about their awareness of …

Modeling Studies Of An Intensified Reforming/Fischer-Tropsch Synthesis Process For Gas To Liquid Conversion, Brian Gray

USF Tampa Graduate Theses and Dissertations

Despite rigorous study and advancement in fields of green energy, the world's transportation industry remains poised to continue reliance on liquid hydrocarbon fuels. To date, the primary source of diesel and jet fuels is the petroleum industry; however, continuing trends in rising greenhouse gas emissions present a need for study into processes for the production of synthetic hydrocarbon fuels. The most promising technologies to meet this goal are gas-to-liquid (GtL), biomass-to-liquid (BtL) and coal-to-liquid (CtL). The commonality of these technologies is that they utilize a feedstock to produce carbon monoxide and hydrogen gas (syngas) which becomes the building blocks of …

Leveraging Systems Thinking For Global Environmental Health, Martha M. Mcalister

USF Tampa Graduate Theses and Dissertations

Environmental health inequities such as household air pollution, inadequate water, sanitation, and hygiene, and chemical pollution persist globally and have myriad consequences on individual and societal well-being. Unfortunately, while billions of dollars and countless hours of research have been applied towards addressing these issues in development, humanitarian, and environmental justice contexts, attempts to reduce the environmental burden of disease can seem successful at first, but then backslide to pre-intervention conditions (or worse). This is indicative of policy resistance, a tendency of complex systems that makes it very difficult to enact change if the “rules” of the system are misunderstood. There …

A 4-Node Shell Finite Element Based On Assumed Bending And Membrane Strains For Static Analysis Of Plates And Shells, Sifeddine Abderrahmani

Emirates Journal for Engineering Research

In this paper the development of a new rectangular flat shell element is proposed. This element is called SBRPK-SBRIE. This element is used in the numerical analysis of thin structures based on the strain approach with linear elastic behavior. Combining bending and membrane elements yields the proposed element.The strain-based rectangular finite element for the thin plate bending element denoted SBRPK, and the strain-based membrane element denoted SBRIE. Several numerical examples have been conducted to assess the accuracy and reliability of the developed element compared with the theoretical results and other finite elements. Obtained results show its good performance compared to …

Scrutinizing The Adoption Of Smart Contracts In The Mena Region’S Construction Industry, Ahmed Gouda Mohamed

Civil Engineering

The construction industry embodies a paramount role in the economic growth of various nations, including the Middle East and North Africa (MENA) region. Despite its significance, the industry faces construction disputes and payment issues, inducing financial losses and project postponements. Consequently, the construction industry has mutated smart contracts to enhance operational efficiency, which automates contract management tasks and offers perks, including transparency and efficiency. However, the adoption of smart contracts in the MENA construction sector remains limited, and the region lacks thorough research on this topic. This study addresses this gap by examining the level of cognizance and apprehension of …

Assessing The Performance Of Jatropha Curcas And Moringa Oleifera Conditioners Towards Improving Fecal Sludge Treatment For Agricultural Purpose, Doglas Benjamin1

Tanzania Journal of Engineering and Technology (TJET)

been proposed as alternative solutions to replace chemical conditioners for fecal sludge (FS) treatment. However, their effectiveness in treating FS for safe agricultural use has not been thoroughly evaluated. The aim of this study was to assess the suitability of FS treated with Moringa oleifera and Jatropha Curcas conditioners for agricultural use. Physicochemical parameters Indexes, salinity and sodium hazard levels (Wilcox Diagram analysis), and removal efficiency of nutrients and pathogens were evaluated. Qualitative experiments were conducted using dewatering treatment chambers containing untreated control FS samples, FS treated with Moringa oleifera and Jatropha Curcas conditioners at the University of Dar es …

Resurge: Reusable Electrosurgical Handheld Devices Business Plan For Hospitals In East Africa, Kiana Martin

Graduate Theses - Engineering Management

No abstract provided.

Root And Causes Of Skilled Labor Shortage In Construction Industry: Comprehensive Literature Review, Nicholas Hardy, Carolina Barbosa-Resende, James Kereri, Arash Taghinezhad

The Professional Constructor

The skilled labor shortage is well documented from a historical perspective via studies focusing various construction trades such as carpentry, mechanical, electric and plumbing, and tile setters. Causes of such shortages such as industry image, college as a preferred choice after high school, and construction being a last resort have been investigated extensively. Consequently, possible solutions ranging from amplifying shop classes in high school to intensifying recruiting efforts for union training programs have all been addressed throughout the last 40 years. However, recent studies have focused on identifying the magnitude and reach of the skilled labor gap while limited attention …

Empathy, Education, And Awareness: A Vr Hackathon’S Approach To Tackling Climate Change, Noor Alqallaf, Dalia W. Elnagar, Sherif G. Aly, Khalil I. Elkhodary, Rami Ghannam

Faculty Journal Articles

Climate change education is crucial for fostering informed and engaged future generations. However, traditional pedagogies often fail to engage learners fully and provide real-world, experiential learning. This paper presents a novel approach to climate change education through a three-day virtual reality (VR) hackathon. The hackathon focused on four United Nations (UN) Sustainable Development Goals (SDGs)—Quality Education, Affordable and Clean Energy, Sustainable Cities and Communities, and Climate Action. Using VR technology and game design software, engineering students worked in teams. They competed against each other in designing immersive environments that demonstrated their understanding of these SDGs and climate change. Our goal …

An Analysis Of China’S Perceived Geographic Locations Of Interest By Use Of Value Informed Facility Location Models, Layton C. Hedge

Theses and Dissertations

This research examines China and derives insights specific to it and the First Island Chain and the Second Island Chain. In doing so, this research demonstrates a methodology to examine other competitors and their geostrategic interests. In the first phase of analysis, it develops a value hierarchy to depict objectives within subregions of the area of interest and considers four alternative weightings of the value hierarchy. In the second phase of analysis, it applies four location-covering models to assess how the competitor would emplace a range of limited resources to deter and/or control points of interest. Results indicate that land-based …

Characterization Of Per- And Polyflouroalkyl Substances In Aqueous Filmforming Foam Wash Waters, John M. Diskin

Theses and Dissertations

The fiscal year 2020 National Defense Authorization Act mandated the publication of a military specification for a fluorine-free firefighting foam available for use no later than October 1, 2023. Replacing AFFF with a fluorine-free alternative creates the issue of decontaminating current firefighting infrastructure of residual PFAS without replacing these systems. To eliminate outstanding PFAS, the proposed solution is to drain the AFFF from current fire suppression systems and flush the plumbing three times with uncontaminated water. This study tested the efficacy of the triple rinse method by conducting scaled down experiments on a variety of plumbing components from a retired …

Utilization Of The System Engineering Design Process To Design And Test A Low-Cost Infectious Aerosol Control Mechanism For Patient Aeromedical Evacuation, Sara Shaghaghi

Theses and Dissertations

The aeromedical evacuation of military patients is a critical component of care for Armed Forces members. The Air Force’s ability to transport patients relies on the technology and systems available. A vital transport responsibility is keeping the patient and medical personnel safe during transport. The historical and legacy systems provide reliable transport mechanisms for the Armed Forces’ patients infected with high-level biological agents, but drawbacks must be considered. This dissertation will discuss the development, conceptual design, and initial evaluation of a new low-cost, litter-mounted patient transport system, Biological-Mitigation in Patient Transport (B-MIPT), using the “V” model of the system engineering …

End-User Device Management In The Air And Space Forces, Joshua Bonvissuto

Theses and Dissertations

When achieving technical superiority is a matter a national security, it is critical that the Department of the Air Force (DAF) employs a robust Information Technology Asset Management (ITAM) strategy that maximizes mission effectiveness. Since 2022, the Office of the Chief Information Officer (SAF/CN) has been developing a plan to transform the Air Force’s ITAM strategy, primarily intending to centralize End User Device (EUD) procurement to the DAF level. For this study, a Delphi study was conducted to gather expert opinions on key aspects of SAF/CN’s new ITAM strategy to identify strengths, weaknesses, and implementation challenges. This research provides valuable …

The Professional Constructor, Full Issue, Volume 49, Number 01

The Professional Constructor

No abstract provided.

A Nonlinear Least Squarees Approach To Orbit Determination In Near-Earth Orbits, Ryan M. Vorst

Theses and Dissertations

This work explores relevant scenarios to implement a Frequency on Arrival method using nonlinear least squares to determine a transmitting satellite’s orbit based only on measurements of the received radio frequency. Multiple relevant collection geometries, such as a target in prograde low earth orbit, in retrograde low earth orbit, in sun synchronous orbit, in near-perigee highly elliptical orbit, in near-apogee highly elliptical orbit, and in geosynchronous orbit, are simulated to collect theoretical received frequency data. Once data collection has been simulated, the theoretical apparent frequencies recorded are used in a nonlinear least squares method with differential correction to find a …

Student Solutions For Leaf Drying: A Collaborative Approach To Enhance Moringa Production In Ghana, Daniel Desoto

Construction Management

This paper expands on a project that seeks to address the need for an updated mechanical leaf drying system for local farmers in Ghana, Africa. Working with the local organization, Moringa Connect, we were able to connect and identify potential areas of improvement within the current existing system. This project involved aspects of design, fundraising, and the construction of a rotating metal hopper. This hopper was identified as a solution for a crucial pinch point currently seen in the processing of the leaves from a wet stage to the final dry product. The design and construction process had a multidisciplinary …

Modeling And Understanding Dispute Causation In The Us Public-Private Partnership Projects, Mohamad Abdul Nabi, Rayan H. Assaad, Islam H. El-Adaway

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The partnership between the public and private sectors has led to a new and innovative way of delivering infrastructure projects that is referred to as public-private partnership (PPP). There are various benefits associated with PPP delivery methods including risk sharing, access to private funding, innovation, and flexibility, among others. Despite the proved benefits, contract conflicts and disputes are very common in PPP projects. While previous research studies examined the risks and the potential causes of conflicts in PPP projects, little-to-no research efforts were directed to study and model the interconnectivities between the different causes of conflicts in PPP agreements. To …

Consumers' Acceptance To Buy And Dispose Of Recycling Textile Products, Roa Alsayed

Theses and Dissertations

The textile industry is the second most polluting worldwide, following food manufacturing. It is one of the industries that is rarely scrutinized in the Middle East and North Africa (MENA) region. This work analyzes the fashion industry from the perspective of consumer attitudes towards the purchase and disposal of clothing, and their behavior with regards to old garments. The study was conducted in Saudi Arabia and Egypt, two countries that achieved similar results in the fashion industry. The methodology is divided into three phases. First, the manuscript begins with a review of topics such as sustainability, consumer behavior in the …

Applicability Of Using Bio-Receptive Concrete For Building Facades In Egypt, Gina Roupheil

Theses and Dissertations

The significant increase in carbon dioxide emissions caused by the construction industry is detrimental to our planet. This is rapidly increasing with the urbanization of cities that is gradually taking its toll on the available green spaces, which help in balancing such emissions. Recently, researchers have been trying to make use of bio-receptivity to create biomaterial systems that could be spread on building envelopes and support the growth of small plant species and microorganisms to establish on. Out of those materials, comes the concrete as a promising material for bio-colonization.

Within this context, this study aims at investigating the applicability …

Properties Of Portland Cement Concrete Incorporating Basalt-Based Pozzolanic Cement, Rana Khalil

Theses and Dissertations

Over the last decade, the world's population has increased dramatically. Due to this growth, the demand for concrete and Portland cement, in return, have increased. Manufacturing of Portland cement is an energy-intensive process that, alone, contributes to about 8% of global CO2. For decades, efforts have been exerted to reduce the harmful environmental impacts of Portland cement by reducing its use in concrete as well as considering alternate binders that may fully or partially replace it. This study aims to assess the properties of concrete incorporating a novel basalt-based pozzolanic cement. To meet this objective, four sets of concrete mixtures …