14 articles in this issue
B. A. Alabadan, C. Oramulu, H. C. Nzelu
Grain storage has as objective, the uninterrupted availability of grain of adequate quantity and quality at all time. The situation in the grain producing areas of Nigeria is currently that of considerable losses during post-harvest grain handling. The st... see more
J. A. Ojo, O. Adegbenro
This paper gives a brief description of linear modulation schemes and how they are more efficient for data communication. Different classes of RF power amplifiers with respect to their efficiencies are also discussed, as well as different linearisation te... see more
K. A. Adeniran, M. B. Makanjuloa, A. O. Oni
An investigation was carried out on the effects of agricultural effluent on the quality of surface water. Two plots of land with an area of 1.5×1.5m2 square were selected on both sides of the kunrun stream, Ilorin, Nigeria. Maize (Zea mays) was planted on... see more
O. I. Okoro
Numerical simulation softwares are used for research and teaching, to allow a good comprehension of the systems under study before practical implementations. In electrical machines modelling, the resulting system of differential equations are usually non-... see more
T. K. Ajiboye
The application of finite element modeling to the analysis and design of furnace refractory linings provides a powerful tool for evaluating the advantages of various linings. A common approach in the finite element analysis of refractory lining is to assu... see more
M. O. Okeola, A. A. Yusuf; C.O. A. Awosope
Thevenin’s method of approach for analyzing electrical power circuit parameters is presented in this paper. Two different MATLAB programs were written to determine the performance of the Nigerian National Electric Power Authority (NEPA) 330kv transmission... see more
A. O. Adewoye; A. Adewuyi, A. A. Ajayi, S. O. Ojoawo, A. Adiatu
Some physico-chemical analyses of water samples from nine boreholes in Osun State Secretariat, Osogbo, South Western Nigeria were carried out. The aim of the study was to evaluate the stability of the ground water for drinking’ and other purposes. In all,... see more
A. Olaniyan; K. A. Yusuff
The suitability and the range of application of termite soil in sand moulds have been investigated both experimentally and practically through castings (ferrous and non-ferrous) of engineering components. The experimental tests were conducted in accordanc... see more
I. A. Adejumobi
One of the major objectives of any electricity supply authority is to be able to supply its customers the quality product and meeting their demand at all times. One major setback in achieving this object in Nigeria is the incessant outages on the grid gen... see more
S. O. Olabiyisi, G. A. Aderounmu, E. O. Omidiora
Maximizing bandwidth utilization and providing performance guarantees, in the context of multimedia networking, are two incompatible goals. Heterogeneity of the multimedia sources calls for effective traffic control schemes to satisfy their diverse Qualit... see more
Electrical power production is basically of three sections: generation, transmission and distribution. The quality of electrical energy reaching the electricity consumers in Nigeria is very poor, most especially in urban areas. Efforts are made in this wo... see more
O. O. Ogunleye; M. A. Waheed, G. A. Odewole
Water supply to areas of need via pipe network has been a problem since the pipes layout involved may be complex and thereby making the determination of pipe diameters for cost minimization difficult. In this paper, attempt was made on the determination o... see more
A. A. Yusuff; O. M. Okelola, A. L. Adeyemo
In this paper a system that uses a template matching approach along with a training algorithm for tuning performance was described. The system solves two types of problems at the same time: 1. correct identification of individuals in the image database. 2... see more
T. A. .Abdul-hameed
Correlation of parameters of an antennae with its electrical properties is fundamental to the design of transmitting or receiving aerials. Antennae performance depends largely on the radiation pattern of the electric and magnetic field components. To desi... see more