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Articles 1 - 24 of 24
Full-Text Articles in Engineering
Shape Memory Alloy Capsule Micropump For Drug Delivery Applications, Youssef Mohamed Kotb
Shape Memory Alloy Capsule Micropump For Drug Delivery Applications, Youssef Mohamed Kotb
Theses and Dissertations
Implantable drug delivery devices have many benefits over traditional drug administration techniques and have attracted a lot of attention in recent years. By delivering the medication directly to the tissue, they enable the use of larger localized concentrations, enhancing the efficacy of the treatment. Passive-release drug delivery systems, one of the various ways to provide medication, are great inventions. However, they cannot dispense the medication on demand since they are nonprogrammable. Therefore, active actuators are more advantageous in delivery applications. Smart material actuators, however, have greatly increased in popularity for manufacturing wearable and implantable micropumps due to their high energy …
Properties Of Portland Cement Concrete Incorporating Basalt-Based Pozzolanic Cement, Rana Khalil
Properties Of Portland Cement Concrete Incorporating Basalt-Based Pozzolanic Cement, Rana Khalil
Theses and Dissertations
Over the last decade, the world's population has increased dramatically. Due to this growth, the demand for concrete and Portland cement, in return, have increased. Manufacturing of Portland cement is an energy-intensive process that, alone, contributes to about 8% of global CO2. For decades, efforts have been exerted to reduce the harmful environmental impacts of Portland cement by reducing its use in concrete as well as considering alternate binders that may fully or partially replace it. This study aims to assess the properties of concrete incorporating a novel basalt-based pozzolanic cement. To meet this objective, four sets of concrete mixtures …
Influence Of Processed Natural Black Sand Vs. Natural White Sand And Silica Flour As Additives To Oil-Well Cementing Applications, Ramy Abuel Maaty
Influence Of Processed Natural Black Sand Vs. Natural White Sand And Silica Flour As Additives To Oil-Well Cementing Applications, Ramy Abuel Maaty
Theses and Dissertations
Cementing is a crucial and fundamental step in the process of drilling wells to extract oil from its reservoirs. Cementing main functions are to achieve zonal isolation and provide mechanical support to the casing. Impermeable and powerful cement is strongly desired to withstand high pressures and temperatures during the lifetime of the producing wells. Various additives to cement, such as silica flour, fly ash, Nano-additives and other advanced materials have been used and tested to attain improved cement of higher quality and enhanced properties such as permeability, porosity, mechanical and rheological properties. Very few researches have discussed the uses of …
A Simulation Model To Determine The Supply Chain Optimum Order Quality, Ahmed Mohamed Saleh
A Simulation Model To Determine The Supply Chain Optimum Order Quality, Ahmed Mohamed Saleh
Archived Theses and Dissertations
No abstract provided.
Design Methodology For Input Shapers Using Genetic Algorithms In Flexible Nonlinear Systems, Mohab Adel Hakim Meshreki
Design Methodology For Input Shapers Using Genetic Algorithms In Flexible Nonlinear Systems, Mohab Adel Hakim Meshreki
Archived Theses and Dissertations
No abstract provided.
Fluid-Structure Interaction Of Nrel 5-Mw Wind Turbine, Mohamed Sayed Elkady Abd-Elhay
Fluid-Structure Interaction Of Nrel 5-Mw Wind Turbine, Mohamed Sayed Elkady Abd-Elhay
Theses and Dissertations
Wind energy is considered one of the major sources of renewable energy. Nowadays, wind turbine blades could exceed 100 m to maximize the generated power and minimize produced energy cost. Due to the enormous size of the wind turbines, the blades are subjected to failure by aerodynamics loads or instability issues. Also, the gravitational and centrifugal loads affect the wind turbine design because of the huge mass of the blades. Accordingly, wind turbine simulation became efficient in blade design to reduce the cost of its manufacturing. The fluid-structure interaction (FSI) is considered an effective way to study the turbine's behavior …
A Computational Study Of Cocrfeniti High Entropy Alloys: Phase Diagrams, Thermodynamics, And Mechanical Properties From Calphad And First Principles, Geraldine Anis
Theses and Dissertations
High entropy alloys (HEAs) are multi-component alloys, which are often defined as those consisting of at least 5 principal elements with concentrations ranging between 5 and 35 atomic weight percent (at.%). Since their introduction by Yeh et al. and Cantor et al. in 2004, HEAs have been found to possess many important properties and have become prime candidates for several high-performance applications such as high-temperature and biomedical applications. Despite their multi-principal element nature, many HEAs favor the formation of solid solution phases as opposed to the intermetallic phases expected for such systems. This was originally only attributed to their high …
Effect Of Heat Treatment On Microstructure, Hardness & Superelasticity Of Severely Deformed Niti, Omar Bahy El-Din Mortagy
Effect Of Heat Treatment On Microstructure, Hardness & Superelasticity Of Severely Deformed Niti, Omar Bahy El-Din Mortagy
Archived Theses and Dissertations
No abstract provided.
Factors Affecting National Technological Absorptive Capacity, Karim Fathy Saad
Factors Affecting National Technological Absorptive Capacity, Karim Fathy Saad
Archived Theses and Dissertations
No abstract provided.
Using Neural Networks To Identify The Effect Of Construction Factors On The Cost Of Reinforced Concrete Elements, Ahmed Aly El-Sotouhy
Using Neural Networks To Identify The Effect Of Construction Factors On The Cost Of Reinforced Concrete Elements, Ahmed Aly El-Sotouhy
Archived Theses and Dissertations
No abstract provided.
Utilization Of Municipal Solid Waste Rejects In The Production Of A Recycled Plastic Waste Composite Material, Mohamed Kamal Abou Khatwa
Utilization Of Municipal Solid Waste Rejects In The Production Of A Recycled Plastic Waste Composite Material, Mohamed Kamal Abou Khatwa
Archived Theses and Dissertations
The solid waste disposal problem has grown significantly in the last decades imposing a lot of pressure on disposal and treatment acts. In the past, incineration and landfilling were the common methods for disposing of products of municipal solid waste. With the increasing volumes of waste generation and the legislative restrictions of these treatment methods, reuse of bulk waste is foreseen as the best alternative to disposal. Due to the current widespread use of plastic products in daily life, post consumer plastics now contribute significantly to municipal solid waste generation rates with a contradicting low participation in waste minimization practices. …
Classification Of Risks For International Construction Joint Ventures Projects, Yasser Abd El Ghany Azmy Elshabassy
Classification Of Risks For International Construction Joint Ventures Projects, Yasser Abd El Ghany Azmy Elshabassy
Archived Theses and Dissertations
No abstract provided.
Factors Affecting The Quality Of Dry Shotcrete, El Rasheid Mohamed Abdalla El Khidir
Factors Affecting The Quality Of Dry Shotcrete, El Rasheid Mohamed Abdalla El Khidir
Archived Theses and Dissertations
No abstract provided.
Corrosion Inhibitor For Reinforcing Steel In Concrete, Hanan Abdel Aziz Elnouhy
Corrosion Inhibitor For Reinforcing Steel In Concrete, Hanan Abdel Aziz Elnouhy
Archived Theses and Dissertations
No abstract provided.
Waste Steel Chips From Workshops As A Substitute For Fiber Reinforcement In Concrete, Alaa Abdultawab Abulella
Waste Steel Chips From Workshops As A Substitute For Fiber Reinforcement In Concrete, Alaa Abdultawab Abulella
Archived Theses and Dissertations
No abstract provided.
Thermal Behavior Of Energy Storage System In A Cylindrical Tank, Walid Wagih Darwish
Thermal Behavior Of Energy Storage System In A Cylindrical Tank, Walid Wagih Darwish
Archived Theses and Dissertations
No abstract provided.
Estimation Of Internal Forces And Moments In Linearly Vibrating Beam Structures, Doris Yasmou Yacoub
Estimation Of Internal Forces And Moments In Linearly Vibrating Beam Structures, Doris Yasmou Yacoub
Archived Theses and Dissertations
No abstract provided.
Permeability Control Using Polymer Impregnation In Sandy Soil, Mohamed Salah Mohamed Ahmed
Permeability Control Using Polymer Impregnation In Sandy Soil, Mohamed Salah Mohamed Ahmed
Archived Theses and Dissertations
No abstract provided.
Electrorheological Fluids And Their Application In Automotive Clutches: Design Procedures And Recommendations, Ihab Fahmy
Archived Theses and Dissertations
No abstract provided.
Behavior Of Concrete Masonry Prisms Under Axial Compression, Tarek Ghoneim Mohamed Ghoneim
Behavior Of Concrete Masonry Prisms Under Axial Compression, Tarek Ghoneim Mohamed Ghoneim
Archived Theses and Dissertations
No abstract provided.
Evaluation Of Dynamic Stresses And Fatigue Life Prediction For Randomly Loaded Structure, Walied Ahmed Moussa
Evaluation Of Dynamic Stresses And Fatigue Life Prediction For Randomly Loaded Structure, Walied Ahmed Moussa
Archived Theses and Dissertations
No abstract provided.
A Comprehensive Fully Integrated Finite Element Analysis Of Metal Flow And Die Stresses In Forward Cold Extrusion, Tarek Hamdi Farid
A Comprehensive Fully Integrated Finite Element Analysis Of Metal Flow And Die Stresses In Forward Cold Extrusion, Tarek Hamdi Farid
Archived Theses and Dissertations
No abstract provided.
An Application Of The Finite Element Method In Forging, Hazim Atef El Mounayri
An Application Of The Finite Element Method In Forging, Hazim Atef El Mounayri
Archived Theses and Dissertations
No abstract provided.
Expert System For The Material Selection Of Steam Piping, Ayman Mohamedein
Expert System For The Material Selection Of Steam Piping, Ayman Mohamedein
Archived Theses and Dissertations
No abstract provided.