African University of Science and Technology: Recent submissions
Now showing items 101-120 of 4783
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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 ...
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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
(2021-07-16)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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Computer Implementation of the Dykstra-Parsons Method of Waterflood Calculations
(2020-12-12)The Dykstra-Parson techniques stands as the most widely used waterflood methods. The authors developed a discrete, analytical solution from which waterflood performance parameters were determined. Reznik et al extended the ...
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Noise-Enhanced Directed Transport of Cold Atoms
(2021-03-14)The possibility of enhancing directed transport for a driven quantum particle in the presence of noise is investigated. Specifically, we deal with cold atoms trapped in an asymmetric optical lattice potential (ratchet ...
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3d Printing Scaffolds for Breast Tissue Engineering Applications
(2021-04-12)Recently, the field of Tissue Engineering has explored the potential for the regeneration of many organs and tissues in the human body. The aim of this study applied to breast tissue engineering is to overcome the major ...
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Effect of Annealing on the Morphological and Optoelectronic Properties of Ch 3 Nh 3 Pb I 3 Thin Films for Perovskite Solar Cell Applications
(2020-03-12)Organolead Trihalide Perovskites (OTPs) is one of the third generations’ photovoltaic technologies which have achieved excellent power conversion efficiency (PCE) of 3.8% in 2009 to 23.7% in 2018, just within nine years ...
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Numerical Study of Mechanical Properties of Hybrid Solar Cell Thin Film Layers by Nanoindentation
(2021-06-12)The evolution in the use of solar panels for generation of electricity has been immense throughout the world, especially in the last decade. This has seen both organic and inorganic solar panels, with both of them possessing ...