Browsing Qatar University Institutional Repository by Type "Dissertation"
Now showing items 21-40 of 123
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CYBERSECURITY ENABLED PROTECTION AND OPTIMIZATION OF ACTIVE DISTRIBUTION NETWORKS IN SMART GRIDS
(2023 , Dissertation)The electrical grid is evolving into smart grid with the integration of renewables and the evolution of advanced information and communication technology (ICT). This enables remote monitoring and control for operators in ... -
DESIGN OF FULLY POROUS FUNCTIONALLY GRADED TI-6AL-4V FEMORAL STEM FOR STRESS SHIELDING AND IMPLANT'S STABILITY
(06-2 , Dissertation)The main objective of this study is to design titanium alloy femoral stems with cubic porous structures that will be able to reduce stress-shielding and promote stem stability. Stress-shielding is one of the factors that ... -
DEVELOPING A COMPREHENSIVE AI-POWERED DIGITAL TRANSFORMATION FRAMEWORK
(2024 , Dissertation)Digital transformation, powered by artificial intelligence (AI), is transforming, and reshaping organizational strategies and operational efficiencies. While much of the research has focused on the technical aspects of AI ... -
DEVELOPING A FRAMEWORK FOR INNOVATION ECOSYSTEMS IN HYDROCARBON ECONOMIES/COUNTRIES
(2024 , Dissertation)Innovation is rapidly reshaping industries worldwide, including hydrocarbon processing, prompting the urgent need for sustainable economic strategies. Hydrocarbon-based economies face challenges in developing and implementing ... -
DEVELOPMENT AND CHARACTERIZATION OF SMART POLYMERIC-BASED SELF-HEALING NANOCOMPOSITE COATINGS FOR CORROSION PROTECTION OF CARBON STEEL
(2024 , Dissertation)Corrosion is a major cause of materials and equipment failure in the Oil & Gas industry and accounts for 1/4 to 1/3 of the total downtime, and its prevention is crucial to ensure reliability of the assets. The smart polymeric ... -
DEVELOPMENT OF A FRAMEWORK FOR IMPROVING ELECTRIC POWER LOSS MANAGEMENT IN NEW UTILITY PROJECTS: A LEAN APPROACH
(2024 , Dissertation)Power loss within electrical networks is a pressing global concern, especially as the world's population continues to grow. Inadequately planned projects have the potential to exacerbate power loss issues, posing a threat ... -
Development of a Novel Polymer-Modified Graphene Oxide Nanocomposites for Controlling Calcium Sulfate Scaling and Biofouling on Reverse Osmosis Membrane: Mechanistic Study
(2020 , Dissertation)Reverse Osmosis (RO) is a promising environment friendly desalination technology for clean water production. However, the performance of RO is getting affected by the mineral scaling and biofouling. During this research, ... -
DEVELOPMENT OF A PROBLEM AND ATTRIBUTES BASED DIABETES SELF-MANAGEMENT (PARADIGM) INTERVENTION
(2022 , Dissertation)Background: Type 2 diabetes mellitus (T2D), is a growing pandemic across the world. T2D requires a comprehensive diabetes self-management (DSM) skills in addition to medications. It is still unclear what interventions can ... -
Development of Bifunctional Oxygen Electrocatalysts Using Solution Combustion Synthesis For Fuel Cell Applications
(2019 , Dissertation)Advanced energy storage and conversion systems such as fuel cells and metal air batteries achieved wide attention. Oxygen reduction reaction (ORR) and Oxygen evolution reaction (OER) are the prominent reactions that ... -
Development Of Bio-Insecticides Based On Local Qatari Bacillus Thuringiensis Strains For The Biological Control Of Harmful Dipteran Disease Vectors
(2019 , Dissertation)The very friendly bacterium Bacillus thuringiensis (Bt) is the main source of environment-friendly and safe bioinsecticides used in the control of plant pests and animal and human disease vectors. A collection of 441 Qatari ... -
Development of Biofertilizer from Local Qatari Cyanobacteria Strains for Enhancement of Bell Pepper (Capsicum annuum L.) Growth, Yield, and Abiotic Stress Tolerance under Hydroponic System
(06-2 , Dissertation)The beneficial cyanobacteria strain (blue-green algae) Roholtiella sp. QUCCCM97 has been found to be the origin of an eco-friendly and environmentally safe biofertilizer whose extract and biomass were used to increase the ... -
Development of Functionalized Date Pits Adsorbent for the Removal of Boron, Lithium, and Molybdenum from Groundwater in the State of Qatar
(2021 , Dissertation)Groundwater (GW) quality deterioration is one of the main water security issues in Qatar. Although the GW in the State of Qatar is not used as drinking water for the public, it is widely used for agricultural, domestic, ... -
Development of Internally Pressurized Composite/Metallic/Composite Hybrid Pipes
(2021 , Dissertation)The challenge to the pipeline industry is to meet the increased worldwide demand while reducing the cost. Currently, metallic and composite pipelines are the most cost-effective way of transporting water, oil, and gas. ... -
DEVELOPMENT OF POLYMER BASED AND RECOVERABLE FE-MNP DEMULSIFIERS TO ENHANCE THE OIL RECOVERY PROCESS FROM OIL IN WATER EMULSION
(2022 , Dissertation)The demulsification process has grown in significance due to the rapid development of oil and gas industries, which generate high amounts of oil, and the formation of different complicated emulsion types, a big challenge ... -
DIFFERENTIATING FOREIGN POLICY STRATEGIES IN THE ARABIAN PENINSULA: THE DECISION-MAKING CALCULUS TOWARDS IRAN
(2024 , Dissertation)This dissertation comparatively analyses the foreign policy strategies of Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates by focusing on the decision-making calculus towards Iran over a five-decade ... -
ECONOMIC ENERGY ALLOCATION FOR A POWER SYSTEM CONSIDERING TECHNO-ECONOMIC CONSTRAINTS
(2023 , Dissertation)During the past few decades, rapid progress in reducing the cost of photovoltaic (PV) energy has been achieved. At the megawatt (MW) to gigawatt (GW) scale, large PV systems are connected to the electricity grid to provide ... -
The effect of water table fluctuation and hydrogeochemical properties on NAPLs natural attenuation
(2023 , Dissertation)Human activities have recently resulted in the degradation and contamination of groundwater. Petroleum spills, such as crude oil, gasoline, and diesel fuel, are a major source of groundwater contamination, especially along ... -
Efficient Electromagnetic Analysis and Design Techniques in Jet Engines
(2018 , Dissertation)A statistical electromagnetics based approach is proposed for efficient analysis of electromagnetic propagation inside harsh environments, like jet engines, to establish a communication channel inside the environment. ... -
ENABLING EFFECTIVE ARABIC INFORMATION RETRIEVAL ON THE WEB AND SOCIAL MEDIA
(06-2 , Dissertation)Arabic is one of the most dominant languages on the Web and social media. The huge and ever-growing Arabic user generated content, further motivated by the ongoing political unrest in the region, created an immense need ... -
Enhancing Fuzzy Rule-Based Anfis Neuronal Fuzzy Architecture Through Integration with Binary Particle Swarm Optimization Technique for Low-Dimensional Data Modeling
(2024 , Dissertation)Fuzzy rule-based systems are instrumental in data interpretation, especially in scenarios dominated by low-dimensional data. While deep learning has revolutionized areas like image and speech recognition, its effectiveness ...