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Browsing Research Papers/conference proceedings by Issue Date

Browsing Research Papers/conference proceedings by Issue Date

Now showing items 21-40 of 1514

1 ICT Penetration and Utilization: A Tool for Diversity, Inclusion and Participation in Public Service

Kiulah, Bernard (2011)
Quality Management Systems: Our Hope for the Future By Boniface Mwirigi Kiula Since

Kiulah, Bonface Mwirigi (This article appeared in the Agritech News, JKUAT, in November 2011, 2011-11)
Establishing the Amount of Grain Breakage Taking Place in Bulk Maize during Conveyance through the Drag Chain Conveyor

Maranga, S.M.; Mwaro, W.B.; Ikua, S.M.; Kanali, C.L. (JKUAT, 2012)

The continued increase in human population in the world has continued to put pressure on the available food resources. In this regard, the need to uphold high quality standards in food grains has continued to be paramount. ...
Laser Material Processing in Crystalline Silicon Photovoltaics

Niyibizi, Alphonse; Ikua, Bernard W.; Kioni, Paul N.; Kihato, P.K. (JKUAT, 2012)

Lasers play a major part in the processing of the numerous materials used in engineering and manufacturing. The range of processes in which lasers are involved is ever increasing. One of the areas in which laser has ...
Experimental Investigations on Welding Deformation Control Methods of a Butt-Weld in a Manual Arc Welding Operation

Njiraini, B.N.; Ikua, B.W.; Maranga, S.M. (JKUAT, 2012)

Welding is a joining process that has enormous applications in manufacturing and construction industry. One of the challenges faced during welding is distortion of joined metals. Since construction of some structures require ...
Obstacle Avoidance and Path Planning Schemes for Autonomous Navigation of a Mobile Robot: A Review

Oroko, J.A.; Nyakoe, G.N. (JKUAT, 2012)

Autonomous navigation of a mobile robot involves self-steering of a robot from one place to another based on computational resources on-board the robot. There are many different ways to approach mobile robot navigation, ...
Modeling of Factors Influencing Bulge Formation in Polymers During Laser Micromachining

Ndeda, Rehema (JKUAT, 2012)

Laser micromachining has been widely applied in the manufacturing of Micro Electro Mechanical Systems (MEMS). It uses photo thermal melting to remove material. The use of heat as a means of material removal has various ...
Investigation on Applicability of Diatomite Powder-Mixed Dielectric Fluid in Electrical Discharge Machining Processes

Muniu, J.M.; Ikua, B.W.; Nyaanga, D.M.; Gicharu, S.N. (2012)

Powder-mixed electrical discharge machining is one of the latest techniques for improving material removal rate and electrode wear ratio among other performance characteristics. However, its utilization in the manufacturing ...
Comparing Alternative Strategies of Aircraft Maintenance

Muchiri, A.K. (JKUAT, 2012)

The global economic downturn has significantly affected many industries, and the airline industry has not been left out. This has resulted in airlines looking for ways to reduce their cost of operation in order to make ...
Piezoelectric Energy Harvesting: an Overview

Murimi, Evan; Neubauer, Marcus (JKUAT, 2012)

Energy harvesting has experienced significant attention from researchers over the past few years due to the ever-increasing desire to produce portable and wireless electronics with extended life spans. Piezoelectric materials ...
A Review of Flushing Techniques Used in Electrical Discharge Machining

Makenzi, M.M.; Ikua, B.W. (JKUAT, 2012)

Flushing is a very important function in any electrical discharge machining (EDM) operation. It not only serves to remove the eroded debris from the spark-gap region but also has various other functions which highly influence ...
Overview of the Modeling and Simulation of Laser Machining of Glass

Kagiri, Charles; Ikua, Benard Wamuti; Keraita, James; Gituku, Esther Wangui (JKUAT, 2012)

Glass is an important engineering material used in the manufacture of different components of engineering systems. Sodalime glass is the most common form of glass whose application includes manufacture of glass plates which ...
A Study on Influence of Beam Orientation in Engraving Using CO2 Laser

Wangui, E.; Ikua, B.W.; Nyakoe, G.N. (JKUAT, 2012)

In recent times, lasers have been adopted in specific areas of machining because of their unique qualities. There has been a lot of research on the factors that affect the laser machining process. However most of this ...
Determination of the Shape (K), Scale (C) Parameters and the Wind Power Density for Juja

Saoke, C.; Kamau, J.N.; Kinyua, R. (JKUAT, 2012)

Wind is a variable resource in both time and space; it fluctuates so much that it is important to find a model that describes its variation. This is significant in estimating the amount of energy earnings as well as to ...
Numerical Simulation of NO Formation in Methane, Methanol and Methyl Formate in a Homogeneous System

Tanui, J.K.; Kioni, P.K. (JKUAT, 2012)

In this study, methane/air, methanol/air, and methyl formate/air stoichiometric mixtures have been numerically simulated at constant volume, low pressure of 2.7 atm, and temperature ranging from 1000 K to 1950 K with an ...
Effect of Iron-intermetallics on the Fluidity of Recycled Aluminium Silicon Cast Alloys

Wang'ombe, D.N.; Maranga, S.M.; Kihiu, J.M.; Maube, S.E. (JKUAT, 2012)

The effect of Fe content on the fluidity of recycled aluminium silicon cast alloy has been investigated in both un-modified and Mn-neutralized states by spiral fluidity test. Increasing Fe decreases the fluidity due to the ...
Artificial Intelligence Approach to Signal Propagation Modeling for Outdoor to Indoor Wireless Communication Networks: A Proposed Study

Omoe, M.O.; Ndungu, E.N.; Kibet, P.L.; Tarus, H. (JKUAT, 2012)

The growing interest in wireless indoor wireless communication systems and applications of local area networks has resulted in many investigations on the characteristics of indoor radio propagation channels. In the last ...
A Review on Biogas, its Application as a Dual-Fuel on Diesel Engines for Power Generation

Muchiri, N.G.; Wanjii, S.M.; Hinga, P.K.; Kahiu, S.N. (JKUAT, 2012)

Rising global challenges of energy generation, sustainability, cost, environmental concerns among others have triggered immense research on alternative energy sources and technologies in the recent past. Such previous works ...
Microcontroller Based Magnetostrictive Amorphous Wire Motor Speed Sensor

Nderu, J.N.; Muhia, A.M.; Kihato, P.K.; Kitur, C.K. (JKUAT, 2012)

This paper presents a microcontroller based motor speed sensing approach using magnetostrictive amorphous wire. The principle operation of the sensor is based on Large Barkhausen Jump, a unique feature of the wire. The ...
Comparative Analysis of Performance of Locally Used Cook Stoves

Oketch, Peter O.; Ndiritu, Hiram M.; Gathitu, Benson B. (JKUAT, 2012)

It is estimated that 2.4 billion people globally rely on biomass as the main source of energy. This has resulted to burning of more than 2 million tones of biomass each day. Improved cooking stove projects in developing ...

Browsing Research Papers/conference proceedings by Issue Date

Browsing Research Papers/conference proceedings by Issue Date

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