Engineering Commons^™

Indoor Air Quality Impacts Into Life Cycle Assessments Of Buildings And Building, Afrim Syla

UBT International Conference

Human exposure to indoor pollutant concentrations is receiving in-creasing interest in Life Cycle Assessment (LCA). Products used during con-struction and operation of a building can contribute to Indoor Air Quality (IAQ) problems that affect occupants’ well-being. However, IAQ is conventionally not addressed in the life cycle assessments (LCAs) of buildings and building re-lated products even though IAQ leads to one of the areas of protection under LCA - human health impacts. In this study, we proposed an overall framework for integrating IAQ into LCA using the standard steps of LCA. The framework focused on IAQ and LCA modeling from two …

Advantages Of A Gas Insulated Substation (Gis), Armend Ymeri, Nexhmi Krasniqi, Gentian Kicaj, Diellza Morina

UBT International Conference

Electricity represents the main form of energy, necessitating its transmission through the grid's transmission lines to reach various distribution network nodes. In Kosovo, the transmission lines function at voltage levels of 110 kV, 220 kV, and 400 kV, whereas in Europe, certain transmission lines are equipped to handle higher voltage capacities. Furthermore, medium voltage distribution lines operating at 35 kV and 10 kV are dedicated to serving large-scale consumers, while the low voltage distribution system, up to 0.4 kV, is specifically designed to supply power to commercial and residential customers. To meet consumers' electricity consumption demands, appropriate voltage levels, as …

Novel Composite Membrane(Pes/Clay/Zeolite) For Ammonium And Sulfide Ions Removal From Sour Water, Marwa Abdel Fattah, Marwa S. Shalaby, Moustapha S. Mansour, Ahmed Badr Eldin, Ibrahim Ismail Ibrahim, Heba Abdallah

Mansoura Engineering Journal

The viability of human life depends heavily on the accessibility of clean water, not only for personal use but also to support various industrial, agricultural, and industrialrelated activities. Composite membranes were prepared using polyethersulfone (PES) with zeolite and clay. The membranes were fully characterized. Membrane performances were tested using sodium sulfide with a concentration of 0.365 g/l and ammonium chloride with a concentration of 0.148 g/l to study the effect of prepared composite membranes on the treatment of sour water. The membrane's mechanical properties were tested and M3 has the greatest tensile strength of 64 MPa with an elongation of …

The Indicators Of The Smartness To Assess Egypt's New Administrative Capital As A Smart City, Eman Metwally, Enas Samir, Marwa Ayman

Mansoura Engineering Journal

Smart cities have become a world-leading trend all over the globe, as they can induce an improved environment and a more acceptable quality of life. It is important to realize the main aspects of designing these cities and the variables affecting the extent of the smartness that the new cities can achieve. The indicators of achieving smartness vary from one country to another according to certain influential variables. So, to assess the extent of smartness that the New Administrative Capital “NAC” in Egypt had achieved, the research concluded a literature review for the concept of smart cities and the most …

Research Progress And Performance Improvement Strategies Of Hard Carbon Anode Materials For Sodium-Ion Batteries, Xiu-Ping Yin, Yu-Feng Zhao, Jiu-Jun Zhang

Journal of Electrochemistry

This paper systematically summarizes the research progress of hard carbon anode materials in sodium ion batteries(SIBs) and the development of the corresponding sodium storage mechanism in recent years, and reviews the performance improvement strategies of hard carbon materials from the aspects of structural design and electrolyte regulation. The effects of the selection of precursors, carbonization temperature, pretreatment, pore formers, heteroatom doping, material compounding, electrolyte regulation and pre-sodiumization on the sodium storage performance of hard carbon anode materials are briefly described. This paper provides new insights into the design, synthesis and electrolyte
matching of high-performance and low-cost hard carbon materials, and …

Charge-Dependence Of Dissolution/Deposition Energy Barrier On Cu(111) Electrode Surface By Multiscale Simulations, Hang Qiao, Yong Zhu, Sheng Sun, Tong-Yi Zhang

Journal of Electrochemistry

Behaviors of electrified interface under different applied potentials/charges play the central role in electroplating process and electrochemical corrosion. The mechanism, however, is unclear yet for a surface atom dissolving/depositing from/on an electrode surface under an applied potential. The energy barrier along the reaction path is the key variable. The present work conductes hybrid first-principle/hybrid calculations to study the direct and indirect dissolution/deposition of a Cu atom on perfect/stepped Cu(111) planar electrodes in an electrolyte under different excess charges. Energy profiles present a linear relationship between the energies of the initial/final state and the activation state of different reaction paths under …

Surface Modifications Of Lini0.96Co0.02Mn0.02O2 With Tungsten Oxide And Phosphotungstic Acid, Gang Zhao, Zheng-Liang Gong, Yi-Xiao Li, Yong Yang

Journal of Electrochemistry

With the rapid development of electric vehicles, enormous demands are made for higher energy density, better cycling performance and lower cost of lithium-ion batteries (LIBs). As an important high capacity cathode material for LIBs, the high nickel layered oxide material LiNi_0.8Co_0.1Mn_0.1O₂(NCM811) can reach an energy density of 760 Wh·kg^-1. The ultra-high nickel ternary positive electrode material (LiNi_1-x-yCo_xMn_yO₂, x ≥ 0.90) has a specific capacity of more than 210 mAh·g^-1, and can realize higher energy density. Besides, an ultra-high nickel material …

Preparation And Electrocatalytic Performance Of Feni-Cop/Nc Bifunctional Catalyst, Si-Miao Liu, Jing-Jiao Zhou, Shi-Jun Ji, Zhong-Sheng Wen

Journal of Electrochemistry

Rechargeable zinc-air batteries have gradually attracted much attention worldwide due to their high capacity, high energy density and low price. Oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) correspond to the charging and discharging processes in rechargeable zinc-air battery, respectively. At present, commercial Pt/C and IrO₂ catalysts hinder the large-scale application of zinc-air batteries due to low reserves, high prices and poor stability. Therefore, exploring high performance, low cost and high stability with dual functional catalysts is important for the development of rechargeable zinc-Air batteries. The metal-organic frameworks (MOFs) have high specific surface area, structural stability, good catalytic …

The Effects Of Disruption Type, Trip Purpose, Gender, And Age On Driver Diversion Willingness In The United States Of America, James D. Fuller

LSU Master's Theses

When drivers encounter traffic congestion, one of the most common ways to avoid excessive delays is to divert to an alternate route. Despite the commonplace nature of such routing decisions, relatively little is known about the specific influencers, motivators, and preferences that affect diversion choices under disrupted conditions. Understanding these driver motivations is important for improving the ability of transportation authorities to plan, design, operate, and maintain transportation networks. The research described in this thesis utilizes a driver survey to investigate the situational factors and personal characteristics that may play a significant role in determining a decision to divert or …

Top-Down Nanomanufacturing Of Anisotropic Two-Dimensional Metals, Md Rubayat-E Tanjil

USF Tampa Graduate Theses and Dissertations

Two-dimensional (2D) materials have introduced a transformative era in materials science with extensive research being performed to gain a fundamental understanding of their diverse properties and applications. Amongst the broader 2D material family, 2D metals or 2D metallic nanosheets (2DMNSs) typically denotes the nanometer-scale thin elemental metals, compound, or alloys, which shows superlative chemical and physical properties compared to bulk counterparts due to the reduced dimensionality. 2D materials’ widespread direct physical or chemical isolation techniques have been facilitated due to their intrinsic van der Waals layered morphology, whereas 3D close-packed bulk metals with isotropic bonding hinder their facile isolation in …

Contemporary Landscape, Drivers And Developments In Engineering Education For Sustainability, Edmond Byrne

Plenary Presentations and Doctoral Symposium

The ‘landscape’ around sustainability education in engineering has continued to evolve. Engineering education for sustainability largely emerged originally out of environmental engineering imperatives, though more recent developments have considerably broadened the scope of ‘sustainability’ teaching in professional engineering programmes. This has implications for associated curriculum developments as well as having pedagogical implications. Principal drivers for these developments emanate from the evolving requirements of professional engineering bodies internationally. These drivers have been supported and supplemented by an enhanced sense of urgency in the wake of the impacts of an unsustainable societal construct (e.g. the consequences of accelerated climate change, biodiversity loss, …

Interdisciplinary Projects – Moving From Transfer To Transformation In Learning, Anette Kolmos

Plenary Presentations and Doctoral Symposium

In the PBL communities, we have always argued that the deep learning in the projects would compensate for the lack of knowledge from taught courses by the students’ ability to transfer knowledge to new areas. Within the disciplinary discourses, this has proved to be valid as the transfer of learning works within the same language and disciplinary thinking and the projects share similarities. However, we have learned that in an interdisciplinary context, where students are to transform their experiences from a disciplinary to an interdisciplinary context, the students do experience difficulties in leading and managing their projects. This keynote will …

The Doctoral Symposium In Engineering Education Research At Sefi 2023, Jonte Bernhard, Shannon Chance, Tinne De Laet, Kristina Edström

Plenary Presentations and Doctoral Symposium

The 7th SEFI Doctoral Symposium in Engineering Education Research, held at the campus of Technological University Dublin on Sunday, September 10th, preceded the SEFI 2023 Annual Conference. In all, 37 Ph.D. researchers attended, which is a record number for this event. They came to share and further probe their Ph.D. research topics and plans of study and to strengthen and extend their professional networks. During this full and intense day, 27 established scholars provided the Ph.D. researchers with personal feedback and ideas regarding their research. The highlight, according to the Ph.D. student participants, was the warm and enthusiastic reception they …

Examining The Corn Seedling Emergence–Temperature Relationship For Recent Hybrids: Insights From Experimental Studies, Sahila Beegum, Charles Hunt Walne, Krishna N. Reddy, Vangimalla Reddy, Kambham Raja Reddy

Nebraska Water Center: Faculty Publications

Corn seedling emergence is a critical factor affecting crop yields. Accurately predicting emergence is crucial for precise crop growth and development simulation in process-based crop models. While various experimental studies have investigated the relationship between corn seedling emergence and temperature, there remains a scarcity of studies focused on newer corn hybrids. In the present study, statistical models (linear and quadratic functional relationships) are developed based on the seedling emergence of ten current corn hybrids, considering soil and air temperatures as influencing factors. The data used for model development are obtained from controlled soil plant atmospheric research chamber experiments focused on …

Iot Architecture For Enhancing Wayfinding And Accessibility In Smart Cities, Myles Keller

USF Tampa Graduate Theses and Dissertations

This research explores the potential of the Internet of Things (IoT) in enhancing urban wayfinding, particularly for the blind and visually impaired (BVI). Utilizing IoT's multi-layered architecture, smart cities deploy integrated sensors and devices to address urban challenges, with wayfinding as a key focus. While various accessible wayfinding methods have been explored, there exists a gap for more efficient solutions. Within this context, a collision warning system was developed for the BVI, integrated within a broader body sensor network (BSN) framework. Building on this, the study presents AWayNet, an RFID-based network, as a transformative solution. Simulations in the CARLA Simulator …

A Framework For Biomechanical Analysis Of Jump Landings For Injury Risk Assessment, Srishti Sharma, Srikrishnan Divakaran, Kaya Tolga, Christopher B. Taber, Mehul S. Raval

School of Computer Science & Engineering Faculty Publications

Competitive sports require rapid and intense movements, such as jump landings, making athletes susceptible to injuries due to altered neuromuscular control and joint mechanics. Biomechanical features during landings are associated with injury risk, emphasizing proper movement and postural stability. Computer vision techniques offer a time-efficient, noninvasive, and unbiased method to assess jump-landings and identify injury risks. This study proposes a video analysis framework to evaluate jump landing biomechanics in athletes todetermineirregularmovementsandincorrectpostures.It providesadviceandrecommendationstocoachesforinjury predictionandtrainingimprovements.Theproposedframework istestedusingcountermovementjumpvideosof17NCAA DivisionIfemalebasketballathletes.Theresultsindicateda lowMeanAbsoluteError(0.97),highcorrelation(0.89),high averageaccuracy(98.31%)andF1score(0.98),signifyingthe framework’sreliabilityinidentifyinginjuryrisk.

A Dynamic Online Dashboard For Tracking The Performance Of Division 1 Basketball Athletic Performance, Erica Juliano, Chelsea Thakkar, Christopher B. Taber, Mehul S. Raval, Kaya Tolga, Samah Senbel

School of Computer Science & Engineering Undergraduate Publications

Using Data Analytics is a vital part of sport performance enhancement. We collect data from the Division 1 'Women's basketball athletes and coaches at our university, for use in analysis and prediction. Several data sources are used daily and weekly: WHOOP straps, weekly surveys, polar straps, jump analysis, and training session information. In this paper, we present an online dashboard to visually present the data to the athletes and coaches. R shiny was used to develop the platform, with the data stored on the cloud for instant updates of the dashboard as the data becomes available. The performance of athletes …

Impact Of Zn And W Doping Levels On Properties Of Thermochromic Vo2-Based Thin Films, Haji F. Haji, Margaret E. Samiji, Nuru R. Mlyuka

Tanzania Journal of Science

DC magnetron sputtering at a substrate temperature of 425 °C was used to successfully deposit W/Zn-doped VO2 thin films on soda lime glass (SLG) substrates. The aim was to investigate the influence of Zn doping levels on the transition temperature ( ), luminous transmittance (Tlum) and solar transmittance modulation (ΔTsol) of VO2-based thin films. UV/VIS/NIR spectrometer, X-ray Diffraction (XRD), Atomic Force Microscope (AFM), and Rutherford Backscattering Spectroscopy (RBS) were used to characterise the thin films. It was revealed that W/Zn co-doped VO2 thin films with ~ 10.8 at.% Zn showed a luminous transmittance of ~ 40.4%, with excellent solar transmittance …

A Text Analytics Model For Agricultural Knowledge Discovery And Sustainable Food Production: A Case Study From Oklahoma Panhandle, Ali Bagheri, Saleh Taghvaeian, Dursun Delen

Department of Agricultural and Biological Systems Engineering: Faculty Publications

With recent increases in the use of social media in agricultural communities, many farmers are showing more and more interest in participating in social media and sharing different aspects of their profession with peers and policymakers. However, researchers have not explored this valuable data source well enough to help improve agribusiness decision-making. This study aims to investigate the potential capability and richness of social media for agricultural knowledge discovery, which can help monitor, detect, and predict critical agricultural events and activities and develop more sustainable food production and agricultural economy. This research utilizes text-mining tools and techniques to collect, process, …

Harnessing Multimodal Sensory Feedback: An Exploration Of Rhythmic Asymmetric Cues In Gait Rehabilitation, Scott J. Bartlett Jr.

USF Tampa Graduate Theses and Dissertations

Stroke remains a leading cause of long-term disability, with survivors often facing challenges in mobility, particularly gait asymmetry. This adversity not only diminishes the quality of life but also imposes substantial socioeconomic burdens. Current rehabilitation methods are somewhat effective yet exhibit a dire need for augmentation to better address gait abnormalities. The novel introduction of Auditory Rhythmic Asymmetric Cues, Tactile Rhythmic Asymmetric Cues, and their simultaneous combination (A-RAC, T-RAC, and AT) offers a fresh perspective toward gait rehabilitation, aimed at taking steps to alleviate the adversities borne by stroke survivors. This study provides a thorough investigation of these asymmetric cues, …

Cellulose Ester As Membranes For Controlled Release Fertilizer’S, Muhammed Salman Fajis

USF Tampa Graduate Theses and Dissertations

Growing environmental pollution and non-sustainable materials has escalated the need for research in sustainable practices for many areas including crop production and fertilization. The conventional coating for the controlled-release fertilizers (CRFs) is non-biodegradable. Hence, the development of novel biodegradable coatings for fertilizer prills has emerged as an important area of study. In this thesis, conducting synthesis and application of cellulose esters (biomass membrane) as an encapsulation for the controlled release fertilizers. Therefore, the coating would be effective for a controlled release of nutrients to the crops by sustaining nature. Here, synthesized biodegradable cellulose esters by 8 and 16-carbon fatty acids …

Wastewater Treatment Using Encapsulated Chabazite In Polyvinyl Alcohol-Sodium Alginate Hydrogel Biofilm Carriers, Susieanna Nevada Persaud

USF Tampa Graduate Theses and Dissertations

Nitrogen discharge from wastewater is a global issue and with increased urbanization as well as industrialization, it has become even more essential to develop more efficient wastewater treatment systems. The dominant form of nitrogen in wastewater is ammonium. Biological oxidation of ammonium to nitrite and nitrate is the first step in biological nitrogen removal processes. If left untreated, nitrogen can cause toxicity to aquatic life, unsafe changes in water quality, and eutrophication.

Biofilm carriers can help to improve the efficiency of traditional activated sludge wastewater treatment systems by reducing operating costs and reducing hydraulic retention time. Biofilm carriers also promote …

Potential Roles Of Vessel Traffic Services (Vts) In Maritime Decarbonization, Suleiman Mustapha Bunza

World Maritime University Dissertations

No abstract provided.

A Study On Measures To Reduce Greenhouse Gases And Air Pollutants In Domestic Fishing Vessels, Jihong Kim

World Maritime University Dissertations

No abstract provided.

Application Of Wind Propulsion In The Existing Fleet Of The Caspian Sea Using Real Wind Data, Mahmud Suleymanli

World Maritime University Dissertations

No abstract provided.

Analysis Of The Pros And Cons Of The Acquisition Of Training Ships By Metis, Jeremiah Yaw Frimpong

World Maritime University Dissertations

No abstract provided.

Exploring The Role Of Education In Addressing The Skills Gap For Seafarers In Bangladesh's Maritime Industry, Fatema Tuz Tahera

World Maritime University Dissertations

No abstract provided.

An Interrogation Of The Role Of Ngos In Improving The Maritime Education And Training (Met) System In Kenya, Kulthum Hussein Salim

World Maritime University Dissertations

No abstract provided.

Exploring Underwater Noise Issues : A Study Of Decentralized Approach, Takanori Uzumaki

World Maritime University Dissertations

No abstract provided.

Onshore Power For The Docked Container Vessels In Apapa Port Through Blended Finance, Oladayo Matthew Atilola

World Maritime University Dissertations

No abstract provided.