تصفح Mechanical Engineering حسب تاريخ النشر
السجلات المعروضة 1 -- 20 من 64
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IGNITION DELAY TIME INVESTIGATION OF GTL FUEL BLENDS
(06-2 , Dissertation)Ignition delay is a vital combustion characteristic of any fuel that directly affects the development of internal combustion engines (ICEs) and exhaust emissions, especially in diesel engines. Considering the global interest ... -
EXPERIMENTAL INVESTIGATIONS AND COMPUTATIONAL FLUID DYNAMIC PREDICTIONS OF PRESSURE DROP CHARACTERISTICS IN MULTIPHASE FLOW FOR CONCENTRIC INCLINED ANNULI IN NEAR HORIZONTAL WELLS
(06-2 , Master Thesis)In oil and gas sectors, the accuracy of pressure drop predictions plays significant role in designing multiphase flow systems. In recent decades, there is a considerable amount of theoretical and experimental studies dealing ... -
THE EFFECT OF GROOVING, EXTERNAL, AND INTERNAL GFRP OVERWRAPPED PVC TUBES ON CRASHWORTHINESS CHARACTERISTICS
(06-2 , Master Thesis)Several factors that affect the crashworthiness characteristics were investigated using GFRP overwrapped PVC composite tubes. Composite tubes studied alongside the PVC were non-grooved tubes wrapped externally or internally, ... -
CONVERSION OF FLARE GAS TO POWER USING SUPERCRITICAL CO2 POWER CYCLE – ENERGY, EXERGY, AND THERMOECONOMIC ANALYSES
(06-2 , Master Thesis)An increase in oil and gas production is associated with the increase in energy demand around the world. This increase in producing fuels is correlated with an increase in flaring process, which is a wasted energy unless ... -
Development of air-jet spun PHBV/PCL composite scaffolds for wound healing applications
(Jun- , Master Thesis)Delay in the healing of chronic wounds is one of the major problems causing individuals to lose their lives and which also becomes a severe burden on the nation's healthcare. Nanotechnology has allowed the development of ... -
INVESTIGATION OF LAMINAR FLAME SPEED OF ALTERNATIVE LIQUID FUEL BLENDS
(2016 , Master Thesis)The rapid fluctuation in oil prices and increased demand of clean fuels to reduce emissions has forced the researchers to find alternative fuels that can give the same or better overall fuel characteristics. This thesis ... -
DEVELOPMENT OF HYBRID AND NON-HYBRID COMPOSITE BODY ARMOR PLATE FOR BALLISTIC PROTECTION
(2017 , Master Thesis)In this work, a new Bullet Guiding Pocket Armor Plate (BGPAP) was developed, with a target to maximize the ballistic protection by containing the bullet between the layers. To this end, experimental and numerical programs ... -
MODELLING OF WHIPLASH TRAUMA; PARAMETRIC STUDY OF REAR-END COLLISION AND DEVELOPMENT OF HEAD-RESTRAINT SYSTEM
(2017 , Master Thesis)Whiplash is a common neck injury people usually suffer from after a rear car accident. Over the past decade, both engineers and physicians were trying to analyze the biomechanics of the injury to develop an effective ... -
MODEL-BASED DIAGNOSTICS OF SIMULTANEOUS TOOTH CRACKS IN SPUR GEARS
(2017 , Master Thesis)This study aims at developing a numerical model that could be used to simulate the effect of tooth cracks on the vibration behavior of spur gears. Gears are a key component that is widely used in various rotating equipment ... -
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 ... -
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 ... -
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. ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...
