Browsing School of Engineering and Technology by Title
Now showing items 61-80 of 115
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Kinematics of Thermal Inactivation of Peroxidase and color Degradation of African Cowpea (vigna unguiculata) Leaves
(Institute of Food Technologists, 2015)Cow pea leaves form an important part of the diet for many Kenyans, and they are normally consumed after a lengthycookingprocessleadingtotheinactivationofperoxidase(POD)thatcouldbeusedasanindicatorforthepotential shelf ... -
Localized Surface Plasmon Resonance Dependence on Misaligned Truncated Ag Nanoprism Dimer
(Springer, 2012)Misaligned edge-to-edge dimers are the common products during the preparation of Ag nanoprism dimers using self-assembly method. However, in the self-assembly method, Ag nanoprisms are easily truncated because they are easy ... -
Mechanical behavior and failure mode of high interstitially Alloyed Austenite under combined compression and cyclic torsion
(MDPI, 2022-01)multiaxial stress states frequently occur in technical components and, due to the multitude of possible load situations and variations in behaviour of different materials, are to date not fully predictable. This is ... -
A Model for Clustering Social Media Data for Electronic Learning
(American Journal of Artificial Intelligence, 2017)Through Social media, people are able to write short messages on their walls to express their sentiments using various social media like Twitter and Facebook. Through these messages also called status updates, they share ... -
A Model for Measuring the Impact of Broadband Internet on Innovations at Institutions of Higher Learning in Kenya
(TexilaJournal, 2016-12)Objective: The aim of this study is to develop a model for measuring the impact of broadband on innovations at the institutions of higher learning in Kenya. Background: Universities in Kenya are investing huge amounts ... -
A Model to Assess Technological Innovations at Institutions of Higher Learning in Kenya
(TexilaJournal, 2017-12)Objective: The aim was to develop an innovation assessment model to analyse the impact of broadband in spurring innovations in Kenya by studying the role of broadband diffusion, the impact of broadband collaborations, ... -
Modeling of Power Efficiency Sensor Network
(IJSER, 2019)Wireless Sensor Nodes forms an ad-hoc network that is widely used in remote deployment applications and has a unique characteristic of low battery-operated devices, and hence energy saving ... -
Modeling of ring resonators as optical Filters using MEEP
(2016)Ring Resonators are key component in modern optical networks. Their size allows high density integration in optical photonic circuits due to the use of high index contrast. Ring Resonators based filters in wavelength ... -
Modeling Thin Layer Drying of Amaranth Seeds under Open Sun and Natural Convection Solar Tent Dryer
(2009)Thin layer drying studies of amaranth (Amaranthus cruentus) seeds were carried out under open sun and natural convection solar tent dryer. The ambient temperature and relative humidity ranged from 22.6–30.4 ... -
Modelling of an Optical Fibre Raman Amplifier
(2012)The transmission of signals in long-haul optical fibre systems requires signal amplification. Raman amplification is based on SRS and it requires a frequency shift of 13.2 THz provided by signal and pump wavelengths of ... -
Modelling Simulation and Optimal Sizing of a Hybrid Wind, Solar PV Power System in Northern Kenya
(ational Journal of Renewable Energy Research, 2016)Solar and wind, the most abundant renewable energy resources are still expensive to deploy and are unreliable as they are intermittent. It has long been postulated in open published literature that solar and wind have ... -
Multi Objective Dynamic Economic Dispatch with Cubic Cost Functions
(Science Publishing Group, 2015)The formulation and solution of the Dynamic Economic Dispatch (DED) problem is one of the key disciplines in modern power system operation, planning, operation and control. Past researches have considered DED on Quadratic ... -
Multi-Objective Environmental/Economic Dispatch Solution Using ABC_PSO Hybrid Algorithm
(International Journal of Scientific and Research Publications, 2012)The problem of power system optimization has become a deciding factor in current power system engineering practice with emphasis on cost and emission reduction. The economic and emission dispatch problem has been addressed ... -
Noise Figure and Pump Reflection Power in SMF-Reach Optical Fibre for Raman Amplification
(2015)We investigate both experimentally and by simulation the Noise Figure (NF) and pump reflection power of a Distributed Fibre Raman Amplifier (DFRA) as a function of pump power and fibre length, at ... -
Optimal Placement of FACTS Devices to Improve Power Flow Using Bees Algorithm
(International Journal of Advanced Research in Computer Science, 2016)Flexible AC Transmission System (FACTS) device has gained popularity recently as an essential device in power systems. The introduction of FACTS technology in power systems has seen increased flexibility and control of ... -
OPTIMAL RAKE RECEIVER MODEL UTILIZING TIME HOPPING IMPULSE RESPONSE ON UWB SYSTEM (WPAN)
(2016)Impulse Radio-Time Hopping-Ultra Wideband (IR-TH-UWB) is a relatively new technology that might have a big effect on improving wireless communication. This technology uses short pulses in order to transmit large amounts ... -
Optimal Sizing and Analysis of a Hybrid Energy System for a Community Microgrid in Nigeria
(Medwell Journals, 2019)This study focuses on determining the optimal size of each component of a hybrid energy system to meet the energy demand of Itele community in Nigeria at minimum Net Present Cost (NPC). The hybrid energy system consists ... -
Optimal Under - frequency Load Shedding using Cuckoo Search with Levy Flight Algorithm for Frequency Stability Improvement
(International Journal of Emerging Technology and Advanced Engineering, 2015)Frequency stability in a power system is very important as it determines the synchronous speed of electrical machines. Therefore it should remain within acceptable limits even when the system is disturbed. In order to ... -
Optimal Under - voltage Load Shedding using Cuckoo Search with Levy Flight Algorithm for Voltage Stability Improvement
(International Journal of Engineering Science Invention, 2015)Voltage stability has become a serious threat of modern power system operation nowadays. To tackle this problem properly, load shedding is a countermeasure taken as a last resort. However, its consequences might result in ... -
Optimising Voltage Profile of Distribution Networks with Distributed Generation
(International Journal of Emerging Technology and Advanced Engineering, 2012)Power utility companies are required to supply customers with power within specified voltage limits. Voltage rise in networks with distributed generators therefore poses a challenge. This paper presents a coordinated network ...