College of Engineering: Recent submissions
Now showing items 301-320 of 496
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UV Stabilization and Flame Retardancy of Polyethylene for Piping Applications
(2019 , Master Thesis)This work presented an investigation of the ultra violet (UV) stability and flame retardancy of linear low-density polyethylene (LLDPE) and low-density polyethylene manufactured in autoclave process (LDPE-A), that are ... -
Use of Algae for Removing Heavy Metal Ions from Industrial Wastewater
(2019 , Master Thesis)The presence of heavy metal ions in the environment has been a big challenge facing the world due to its harmful effect on the health of humans even at low concentrations. There are various treatment techniques that ... -
A Numerical and Experimental Investigation of a Special Type of Floating-Slab Tracks
(2019 , Master Thesis)This thesis presents a research study on the dynamic behavior of a special type of FST used in recently built subway system in Doha, Qatar. The special FST has a continuous concrete slab with periodic grooves for which ... -
Influence of Polyelectrolyte’s Architecture On the Electro Kinetics and Rheological Behavior of Industrial Membrane Bioreactor Activated Sludge
(2019 , Master Thesis)Membrane bioreactor (MBR) is a recent biological treatment process in many industrial and municipal industries that has been implemented to overcome the current difficulties of activated sludge (AS) processes for ... -
Novel Process for Designing Topology Optimized Femoral Stems Printable by Metal Additive Manufacturing
(2019 , Master Thesis)Total hip arthroplasty faces an issue of the high cost and risks of revision surgeries. Studies show that more than 50% of the revision surgeries are the consequence of the aseptic loosening of the implant. The cause ... -
Neuropathy Classification of Corneal Nerve Images Using Artificial Intelligence
(2019 , Master Thesis)Nerve variations in the human cornea have been associated with alterations in the neuropathy state of a patient suffering from chronic diseases. For some diseases, such as diabetes, detection of neuropathy prior to ... -
Thermodynamic Analysis of Full Scale Baseload LNG Chain
(2019 , Master Thesis)The world’s growing energy demand and the need for low-carbon energy sources are key factors that have made natural gas (NG) an attractive energy source compared to other available fossil fuels (i.e. coal and oil). ... -
Application of Machine Learning Techniques for The Prediction of Decompressive Hemicraniectomy Prognosis in Acute Ischemic Stroke
(2019 , Master Thesis)Stroke is one of the leading causes of death in the world with the number of people suffering from it increasing every year. Ischemic strokes, one of the two main types of stroke, occur when blood clots block brain ... -
Numerical Analysis of a Sacrificial Cladding Panel Subjected to Localized Near-Field Impulsive Load
(2019 , Master Thesis)Extensive research focus had been given to sacrificial sandwiched panels used to mitigate the effects of blast loads. This is due to their ability to distribute the load and absorbing significant portions of the blast ... -
Improvement of The Time to Diagnosis for Adult Lymphoma Patients in The State of Qatar: A Retrospective Cohort Study-Based Approach
(2019 , Master Thesis)Prior to diagnosis, patients with Lymphoma might not recognize their symptoms, while others would assume that there is a simple explanation, therefore, they do not need a medical consultation. On the other hand, some ... -
Time-Aware Workload Charactrization And Prediction For Proactive Auto-Scaling Of Web Applications
(2019 , Master Thesis)Proactive auto-scaling techniques aim to predict the future workload of web applications to provision the required resources, such as virtual machines (VMs), ahead of time. Nevertheless, deciding the optimal number of ... -
Road Users Perception of Dynamic Message Signs And Lane Control Signs
(2019 , Master Thesis)The state of Qatar is continuously developing and has been capitalizing enormously in upgrading transportation. The latest upgrade in transportation was the introduction of Intelligent Transportation Systems (ITS). ... -
High-Power Multiport Dc-Dc Converter For PV Farm Applications
(2019 , Master Thesis)The trend toward generating electricity from renewable energy sources has encouraged researchers to work on finding more reliable and efficient ways of combining various sources, storage systems, and loads with different ... -
Numerical Simulation of Dynamic Response For Misalignment In Coupled Shafts
(2019 , Master Thesis)Preceded by unbalance, misalignment is the second most common fault in rotating machinery. The impact of misalignment fault on equipment can be severe and may considerably shorten the machine’s lifetime. This dissertation ... -
Multiphase Modular Multilevel Converter Based Drive System For Oil And Gas Recovery In Subsea Applications
(2019 , Dissertation)Adjustable Speed Drives (ASDs) in subsea/offshore oil and gas applications are involved in several processes throughout production, transportation, and treatment phases, as they supply pumps and compressors. Therefore, ... -
Externally Bonded And Near-Surface Mounted FRP Strips For Shear Strengthening Of RC Deep Beams
(2019 , Master Thesis)This thesis presents an experimental study on the efficacy of fiber reinforced polymer (FRP) strips using externally bonded (EB) and near surface mounted (NSM) techniques for the shear strengthening of reinforced ... -
Engineering A Fertilizing Draw Solution For Irrigation Using Forward Osmosis / Reverse Osmosis Hybrid System
(2019 , Master Thesis)Large volumes of fresh water are consumed in the human’s daily activities, producing large volumes of highly contaminated wastewater which exhibits a major environmental problem. Wastewater is treated using multiple ... -
IOTA Viability In Healthcare Industry
(2019 , Master Thesis)The Internet of Things is a novel paradigm which involves the increasing prevalence of objects and entities supported with identifiers and the ability to exchange the data over a network. However, with all these advantages ... -
Optimization Of Urban Systems Using A Nexus Based Urban Algae Production
(2019 , Master Thesis)Global urbanization–triggered resource stress and climate change have become the prime motivators for sustainable development goals among countries. A system based nexus in the main three resources—food, water, and ... -
Fault Diagnosis Of Sensor And Actuator Faults In Multi-Zone Hvac Systems
(2019 , Master Thesis)Globally, the buildings sector accounts for 30% of the energy consumption and more than 55% of the electricity demand. Specifically, the Heating, Ventilation, and Air Conditioning (HVAC) system is the most extensively ...