Theses and Dissertations: Recent submissions
Now showing items 101-120 of 514
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Degradation of Epoxy Composite Coating Using Corrosion and Fracture Mechanics Framework
(2021-03-12)This work presents the results of a combined analytical and experimental study of the effect of reinforcement on the corrosion and adhesion ability of epoxy coatings. Firstly the corrosion behavior of 5-hydroxytryptophan ...
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Additives Effects on the Charge Carrier Dynamics and Performance Metrics of Formamidinium-Rich Mixed Lead Halide Perovskite Solar Cell
(2022-02-23)Perovskite solar cell (PSC) has emerged as a promising photovoltaic technology due to their prospects for high efficiency and low cost. Despite the impressive improvement in their power conversion efficiency (PCE) over the ...
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Biomechanics Approach and Mechanical Biomarkers for Cancer Detection: A Case Study of Triple-Negative Breast Cancer
(2021-11-23)This thesis explores the cytoskeletal structures and the statistical variations in the cell-protein fluorescence intensities/volume densities, creep characteristics, and viscoelastic properties of non-tumorigenic breast ...
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Evaluation of Machine Learning Tools for Predicting Sand Production
(2021-03-12)Data analytics has only recently picked the interest of the oil and gas industry as it has made data visualization much simpler, faster, and cost-effective. This is driven by the promising innovative techniques in developing ...
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Characterisation and Processing of Baryte Ores for Oil Drilling Applications
(2021-12-12)This study characterizes barite ores and uses environment-friendly and indigenous processes to develop technologies, methods and mineral processing tools for barite recovery from gangue minerals. The study is in four parts. ...
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Alkali Activation and Natural Fiber Reinforcement of Termite Mound Soil for Sustainable, Low Cost and Environmentally Friendly Construction Materials
(2021-04-15)In the construction field, development of green, sustainable and renewable materials is the main focus of research. In that direction, alkali activation technique has attracted a lot of attention in the past few years. ...
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Engineering and Geological Investigations of Slope Stability and Rock Strength Characterization using Nanoindentation
(2021-06-15)Slope stability is of significant importance for sustainable development in mining, civil engineering, and urban planning as slope failures endanger public safety and continue to result in costly repair work. This study ...
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Activated Carbon and Graphene Oxide for Supercapacitors and Batteries Application
(2021-01-20)Carbon-based materials are widely used for energy storage systems because of their unique properties, low cost, and availability. These include Graphite, graphene, activated carbon, graphene oxide, carbon nanotube, carbon ...
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Earth-Based Construction Materials Reinforced with Tropical Plants and Recycled Waste Cellulose Pulp Fibre: Performance and Durability Assessment
(2021-02-20)Due to the growing concern of deforestation, renewable materials such as recycled cellulosic waste and non-wood fibres provide an alternative solution for partial replacement of wood resources as a reinforcement agent in ...
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The Tuning of the Todd and Longstaff Mixing Parameter in Limited Compositional Simulation to Optimize Recovery from a Gas Condensate Reservoir
(2021-07-20)A gas condensate reservoir is a type of gas reservoir that exists when the reservoir temperature is between the critical temperature and the cricondentherm. Compositional simulators are used to simulate these types of ...
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Comparative Analysis of Limited and Fully Compositional Simulation of a Niger Delta Gas-Condensate Reservoir
(2021-06-20)Numerical simulators estimate the recovery volumes and the volume of fluids in-place in the reservoir as a function of time and space by solving complex partial differential fluid flow equations. For gas condensate reservoirs, ...
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Integrated Information System for a Food Processing Industry: Case Study of Cashew Nuts Processing
(AUST, 2021-07-09)Information System (IS) is an integrated set of components for collecting, storing, and processing data and for providing information and knowledge. IS is commonly used by organizations, business firms, institutions to ...
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Text Retrieval Using Wavelet Tree
(AUST, 2021-07-20)The wavelet tree is a flexible data structure that permits representing sequences S[1; n] of symbols over an alphabet of size (n), within compressed space and supporting a wide range of operations on S. It has been used ...
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Cassava Leaf Disease Classification with Deep Learning
(AUST, 2021-08-13)Inspired by the current trend in artificial intelligence and neural network research, and with the increase in accuracy of models with deep neural network architecture (DNN), our work is dedicated to developing and training ...
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Ai-Enabled Pneumonia Detection System
(AUST, 2021-05-10)The world is currently facing the global pandemic of the Coronavirus disease (COVID-19) disrupting large part of the world, the number of patients has grown progressively. For dealing with this serious emergency, accurate ...
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Maleria Prevention Using Social Media and Text Mining
(AUST, 2021-07-18)The battle with malaria especially in the African continent still exists and has been taking the lives of many in the area, so there is a need to keep fighting the battle, monitor progress and challenges. One way is the ...
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Design and Implementation of Multimedia Content on Smartphone for Learning Automata Theory
(AUST, 2013-06-13)Alternative methods of learning that will provide an avenue for students to construct knowledge independently has become the yearning of all and sundry. Computers are revolutionizing the educational institutions as well ...
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Expanded Clay Aggregates for water purification
(African University of Science and Technology, 2021-02-10)Most poor and vulnerable people such as the peri-urban, people living in poverty and some internally displaced people (IDPs) are prone to water borne diseases because they drink polluted water. In order to improve water ...
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Improving Lifting Capacity and Modelling Hydraulics of Local Based Muds Flowing through Vertical Pipes
(2019-06-12)Drilling mud plays an integral part in drilling operations to perform several functions some of which are to cool drill bits, provide hydrostatic pressure and give information about subsurface formation. The cutting ...