Browsing Theses and Dessertations by Issue Date
Now showing items 1-20 of 50
-
THEORETICAL ANALYSIS OF A SOLAR AIR COLLECTOR WITH A RECTANGULAR AIR-DUCT PROFILE
(University of Eldoret, 2012)Any solar energy conversion system requires proper designing and sizing in order for it to be cost effective with respect to energy production under the prevailing climatic conditions and initial cost. Modelling and ... -
EFFECTS OF TEMPERATURE ON METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR CHARACTERISTICS
(University of Eldoret, 2013)The metal-oxide-semiconductor field-effect transistor (MOSFET) is a transistor used for amplifying and switching on circuits. In this study, the MOSFET parameters were computationally modeled, analysed and presented. The ... -
FABRICATION AND CALIBRATION OF LOW COST CAPACITIVE SOIL HUMIDITY SENSOR
(University of Eldoret, 2013)Soil humidity is critical in crop production and its control is essential to water conservation. The knowledge of soil humidity to majority of farmers in Kenya is based on effects of weather on crops and soil texture. ... -
ALGEBRA OF COUPLED ELECTRONS IN THE CO-EXISTENCE OF SUPERCONDUTIVITY AND FERROMAGNETISM
(University of Eldoret, 2013)Superconductivity is a phenomenon in which the d.c electrical resistance of a material vanishes completely and instantly rather than gradually when it is cooled below a certain temperature called the superconducting ... -
ROTATING OPTICAL BEAMS: DIGITAL HOLOGRAPHIC GENERATION, PROPERTIES AND SELF-RECONSTRUCTION DYNAMICS
(University of Eldoret, 2013)This thesis reports on an experimental investigation of rotating optical beams. Superpositions of higher-order Bessel beams with rotating intensity profiles were generated using a digital holographic experimental technique ... -
THEORETICAL DETERMINATION OF SPECIFIC HEAT AND CRITICAL TEMPERATURE OF HIGH-TC CUPRATE SUPERCONDUCTORS BASED ON INTRALAYER AND INTERLAYER INTERACTIONS
(University of Eldoret, 2013)The role of attractive interlayer and intralayer interactions in layered high-Tc Cuprate superconductors was investigated using a two-layer Hamiltonian. The Hamiltonian was formulated and diagonalized using Bogoliubov ... -
MECHANICAL AND ELECTRONIC PROPERTIES OF CUBIC BORON NITRIDE AND CARBON BORON NITRIDE: A QUANTUM MONTE CARLO STUDY
(University of Eldoret, 2013)Carbon Boron Nitride (BC2N) has attracted a lot of attention in research and industry since it was first synthesized and continues to maintain this interest due to the fascinating mechanical and electronic properties ... -
Ab-initio STUDIES OF STRUCTURAL, ELECTRONIC, MAGNETIC AND OPTICAL PROPERTIES OF NICKEL OXIDE
(University of Eldoret, 2014)Nickel Oxide (NiO) has many applications in solar energy utilization, due to variations in electronic, optical and magnetic properties. However, a satisfactory description of its properties is still not available. There ... -
OPTIMAL DESIGN FOR SECOND-DEGREE KRONECKER MODEL MIXTURE EXPERIMENTS FOR MAXIMAL PARAMETER SUBSYSTEM
(University of Eldoret, 2014)Products in many disciplines frequently involve blending two or more ingredients together. The design factors in a mixture experiment are the proportions of the components of a blend, and the response variables vary ... -
MODELLING OF OPTICAL FIBRE SENSOR BASED ON STIMULATEDBRILLOUIN SCATTERING
(University of Eldoret, 2014)Distributed fibre optic sensing presents unique features that have no match in conventional sensing techniques. The ability to measure temperatures and strain at thousands of points along a single mode fibre is ... -
NUCLEON-NUCLEON INTERACTION IN RHENIUM- 186Re.
(University of Eldoret, 2014)Properties of nuclear matter and large finite nuclei have been studied using different types of nucleon-nucleon (NN) interaction potential. In this study, focus is on the thermodynamic properties of a large nucleus of ... -
NUCLEATION OF SUPERCONDUCTING VORTICES BY EXCITING ACOUSTIC STANDING WAVES IN A TYPE - II SUPERCONDUCTOR
(University of Eldoret, 2014)Superconductivity nucleation phenomenon in superconductors under an applied magnetic field close to the upper critical field HC3 has been studied by many authors. Physicists Saint-James and De Gennes were the first to study ... -
STIMULATED BRILLOUIN SCATTERING (SBS) CHARACTERIZATION IN MODERN FIBRES AND A TECHNIQUE OF SLOW LIGHT GENERATION
(University of Eldoret, 2015)Stimulated Brillouin scattering (SBS) is one of the recent technology that is being developed to generate slow light in optical fibres. It is one of the simplest and most applicable methods of slow light production. Slow ... -
PHASE TRANSITION IN SUPERCONDUCTORS
(University of Eldoret, 2015)Superconductivity is the disappearance of DC electrical resistance in a material when it is cooled to a certain critical temperature, when a material changes from normal state to superconducting state when it is cooled ... -
ASSESSMENT OF WIND CHARACTERISTICS AND POWER POTENTIAL AT KESSES LOCATION - UASIN-GISHU COUNTY, KENYA
(University of Eldoret, 2015)Wind energy is increasingly becoming popular all over the world as a green energy source for electricity generation since it is renewable and environmentally friendly. Pioneer wind turbines for electricity generation ... -
THERMODYNAMIC PROPERTIES OF HIGH TEMPERATURE SUPERCONDUCTORS BASED ON THE t-J-d MODEL
(University of Eldoret, 2015)Many theories that attempt to describe the superconducting state have suffered significant failures, leaving the t-J model as the only model which effectively captures the physics of the strong correlations inherent ... -
PROPERTIES OF CESIUM IODIDEWITH INTRINSIC POINT DEFECTS : A DENSITY FUNCTIONAL THEORY STUDY
(University of Eldoret, 2016)Cesium Iodide is one of the fastest scintillators with a very short decay time of 16ns. This has made the material to attract a lot of attention in research and imaging industry especially regarding how to make it a ... -
MID-GAP STATES IN DEFECTIVE ANATASE TiO2 : A DENSITY FUNCTIONAL THEORY STUDY PLUS A HUBBARD TERM (DFT+U)
(University of Eldoret, 2016)Motivated by the performance of reduced Titania in various important applications including photo-catalysis, photo-voltaics and CO2 reduction in hydrocarbon fuels, a systematic study of the structural properties and the ... -
MODELING OF RING RESONATOR AS AN OPTICAL FILTER USING MEEP SOFTWARE
(University of Eldoret, 2016)Ring resonators are key components in modern optical networks. Their small size allows high density integration in optical photonic circuits due to the use of high index contrast. Ring resonator filters based Optical Filters ... -
SIMULATION OF NOT-, AND- AND OR- OPTICAL GATES USING WIDEBAND TRAVELLING WAVE SEMICONDUCTOR OPTICAL AMPLIFIER
(University of Eldoret, 2016)All optical gates have received practical applications in the recent past. This is due to its high demand in optical communication networks in this age of Information Technology (IT). They have assisted in performance of ...
