Mechanical Engineering: المرسلات الحديثة
السجلات المعروضة 41 -- 60 من 64
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Development of an Air-Cooled Induction Manifold for Internal Combustion Engines
(2020 , Master Thesis)Extreme weather conditions in the Arabian Gulf such as Qatar tends to be humid and high in temperature mostly throughout the year and this affects the performance of the vehicles engines negatively, especially diesel ... -
Internal Pressure Capacity and Bending Behavior of Glass Fiber Reinforced Composite Overwrapping PVC Plastic Pipes.
(2020 , Master Thesis)The challenge associated with the use of polyvinyl chloride (PVC) plastic pipelines is to improve their structural integrity without increasing their cost. Currently, PVC pipelines are the most cost-effective method ... -
Development of Emissions Reduction Tube for Diesel Engines
(2020 , Master Thesis)Automobile industry have grown a lot since the last century and caused a serious issue of emission releases to the atmosphere regardless of how useful it is to human beings. Compression ignition diesel engines in particular ... -
Safe and Adaptive Social Robots for Children with Autism
(2020 , Dissertation)Social robots are being considered to be a part of the therapy for children with autism due to the reported efficacy such technology in improving the outcomes. How ever, children diagnosed with autism exhibit challenging ... -
Development And Performance Evaluation Of Smart Polymeric Coatings For Corrosion Protection Of Steel
(2020 , Master Thesis)Most common cause of materials and equipment failure in the oil and gas industry is corrosion. According to one survey, about 1/4 to 1/3 of the total downtime in plants is due to deleterious effects of corrosion. It is, ... -
Reduced Graphene Oxide Incorporated GELMA Hydrogel Promotes Angiogenesis for Wound Healing Applications
(2019 , Master Thesis)Non-healing or slow healing of chronic wounds is among the serious complications of diabetes. The decrease in blood supply due to lack of angiogenesis leads to reduced supply of oxygen, nutrients and growth factors ... -
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 ... -
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 ... -
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 ... -
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 ... -
Evaluation of 316L Stainless Steel Part Fabrication Using Additive and Subtractive Manufacturing: A Guideline for Process Selection
(2019 , Master Thesis)Due to its favorable mechanical properties and high corrosion resistance and high carbon content, Stainless steel 316L is widely used in many applications including marine, biomedical and aerospace industries. With additive ... -
Corrosion Detection Using Transfer Learning-Based Modeling for Image Classification
(2019 , Master Thesis)This study uses image classification-based transfer learning to train models on the task of corrosion-detection on metallic surfaces. This is done by photographing images of samples of aluminium, iron and steel before and ... -
EXPERIMENTAL AND CFD INVESTIGATION OF SOLAR CENTRAL RECEIVER TUBES
(2018 , Master Thesis)Lower electricity cost corresponds to high efficiency, which in turn corresponds to high operating temperatures in Concentrated Solar Power technology. Central receiver of such system constitutes 15% of the cost and plays ... -
Investigating The Potential Of Recycling Flared Hydrocarbon Gas In An Industrial Burner
(2018 , Master Thesis)Flare gas is considered a global environmental concern. Flaring contributes to wasting limited material and energy resources, economic loss and greenhouse gas emissions. Utilizing flared gas as fuel feed to industrial ... -
NEW APPROACH OF PIPELINES JOINING USING FIBER REINFORCED PLASTICS COMPOSITES
(2018 , Master Thesis)It is well known that maintenance of pipelines failures due to leakage or rupture caused by either corrosion or lack of strength is a significant challenge for pipelines engineers. Pipelines joining is considered as a ... -
Advanced Technology For Low Energy Commercial Building In Qatar
(2018 , Master Thesis)There is no doubt that it is critical and beneficial for Qatar to start utilizing alternative energy efficient solutions to reduce the energy consumption and sustain its natural resources. In particular, commercial buildings ... -
EXPERIMENTAL DETECTION OF LOCALIZED SURFACE DEFECTS IN BALL BEARINGS USING VIBRATION ANALYSIS
(2018 , Master Thesis)Experimental Detection of Localized Surface Defects in Ball Bearings Using Vibration Analysis Bearings play a crucial role in the functioning of rotating machinery. Any failure of this critical component may cause severe ... -
COMBUSTION CHARACTERISTICS AND EMISSION OF A DI DIESEL ENGINE UTILIZING NEW INDUCTION MANIFOLD DESIGNS AND RUNNING ON ALTERNATIVE FUEL BLENDS
(2018 , Master Thesis)The demands for increasing the swirl in the combustion chamber and for decreasing the exhaust emissions on diesel engines have increased rapidly over the past few years. Consequently, the researchers’ attention has been ... -
COLLAPSE BEHAVIOR AND ENERGY ABSORPTION OF CORRUGATED TAPERED TUBES
(2018 , Master Thesis)Thin-walled structures have been widely used in energy absorption and safety applications such as automotive vehicles and locomotives, due to their lightweight, progressive folding modes, and reduced manufacturing costs. ... -
Concentrated Solar Power Plant for Key Locations in Doha Qatar
(2017 , Master Thesis)One of the pillars of the Qatar National Vision 2030 is the protection and preservation of the environment by decreasing the dependency on hydrocarbon resources and promoting the use and development of renewable energy ...