Search
Now showing items 111-120 of 360
Electro-Magnetic Duality, Magnetic monopoles and Topological Insulators
(2013-05-13)
The Maxwell equations of electrodynamics acquire an additional symmetry if one assumes the existence of hypothetical particles-magnetic monopoles,
carrying a magnetic charge. The additional internal symmetry is the ...
The Design of an On-Chip Silicon Photonic Diode
(2013-05-13)
This work presents numerical calculation of electromagnetic waves in unidirectional on-chip silicon optical diodes. An original optical diode, designed by Wang et. al. [Opt. Express. 19, 26948-26955 (2011)], is based on ...
Fundamentals of Laser Dynamics
(2013-05-13)
The thesis presents the modeling and simulation of three types of lasers namely; Semicondoctor laser, Solid state laser and CO 2 laser. The rate equations were derived and simulated to examine the dynamic behaviour of the ...
Simulation-Based Model Thermal Ablation of Prostate Cancer Using High Intensity Focused Ultrasound
(2014-12-20)
The use of High Intensity Focused Ultrasound (HIFU) in the medical treatment of cancer has attracted scientists and engineers with interest in achieving the most financially affordable but yet curative methods of curing ...
Maximal Monotone Operators on Hilbert Spaces and Applications
(2016-05)
Let H be a real Hilbert space and A : D(A) ⊂ H → H be an unbounded, linear, self-adjoint, and maximal monotone operator. The aim of this thesis is to solve u 0 (t) + Au(t) = 0, when A is linear but not bounded. The classical ...
Why Classical Finite difference Approximations fail for a singularly perturbed System of Convection-Diffusion Equations
(2016-06-07)
We consider classical Finite Difference Scheme for a system of singularly perturbed convection-diffusion equations coupled in their reactive terms, we prove that the classical SFD scheme is not a robust technique for solving ...
A Study of the Pre-Treatment Temperature of Lignocellulosic Butanols an Alternative Fuel (BIOFUEL) Produced from Bamboo using Clostridium Acetobutylicum
(2013-05-12)
Conversion of lignocellulosic biomass from bamboo (Bambusa vulgaris) to butanol is an important alternative energy source. In this work, bamboo was used as biomass feedstock for the production of butanol by the fermentation ...
The Role of Sulfur Oxidizing Bacteria on Corrosion of X65 Low Carbon Steels and its Mitigation Using Sodium Tungstate and Nickel Biocides
(2013-05-12)
Metals in service often give a superficial impression of permanence, but all except gold are chemically unstable in air and air-saturated water at ambient temperatures and most are also unstable in air-free water. Corrosion ...
Implantable Biomems Devices for Localized Breast Cancer Drug Delivery
(2011-12-15)
Implantable Bio-Micro-Electro-Mechanical Systems (BioMEMS) represent a new class of devices that can provide localized cancer drug delivery by the combined effect of chemotherapy and hyperthermia which gives it an advantage ...
Numerical Modeling of Wellbore Instability (SHEAR Failure) using Fracture Mechanics Approach
(2013-05-12)
Wellbore instabilities are responsible for 10-20% of the total drilling cost. It has been estimated that wellbore instability causes an annual economic loss of US$ 500 - 1000 million in the oil industry across the world. ...