11 articles in this issue
K . G. Falade, O. S. Isehunwa
This study presents a generalized analytical formulation of the multi-well interference test problem using the concept of the source and sink functions as a tool for solving the basic interference equations. The much broader case ,featuring inner well bou... see more
M. A. Waheed
Numerical simulations of spherical; droplets sedimenting in a Newtonian fluid in an unbounded region were investigated by using finite element method for Reynolds number up to 300. The computations are thereby carried out with the penalty method instead o... see more
A. O. Raji, J. F. Favier
The Discrete Element Method has been applied to numerical modelling of the impact process in fruit with a view to obtain information on damages due to impact. A DE code which incorporated a non-linear viscoelatic contact law, real containing walls and par... see more
J. O. Ojediran
An analysis of climatic data for two irrigation projects in Nigeria was carried out. The schemes investigated are Itoikin Rice Project (IRP) and Zauro Polder Project (ZPP located in the rain Forest and Sudan Savanna zones of Nigeria respectively.At IRP, a... see more
O. K. Falade; O. Awoyele, O. Uzo, P. I. Peters, C. O. Aworh
Moisture-Solids transfer during the osmotic dehydration of three banana (Musa Sapietum) varieties was investigated. Cavendish, Omini-red and Cooking banana were transversely sliced into 10, 15 and 200m thicknesses. Sample of each thickness were immersed i... see more
A. A. Adedeji
Earth wall has been observed to be a structural, flexible and inexpensive element in construction. In this work an investigation was carried out on the earth (laterite) wall as an infill panel to determine its hysteric parameters, strength degradation and... see more
J. O. Alamu, O. P. Aiyedun
The effects of material geometry on rolling parameters such as yield stress, rolling load and torque have been studied. In this work, geometrical variation is intruded into the Reverse Sandwich Rolling Model (RSM) for high carbon stainless steel type 316 ... see more
A. R. Morgridge; G. A. Odewole
Mathematical models representing the various stages in the hot rolling process of steel production were produced. Simulated models used were validated using the EXCE: package and then subjected to a sensitivity analysis under identical conditions to predi... see more
K. A. Adebiyi, K. A. Hameed, E. O. Ajayi
Experiments were carried out in six environments for 90 days to determine the levels of corrosion rates on AISI 1021 mild steel rods. The environments were: Sodium hydroxide fumes sulphuric acid fumes; nitric and fumes; Sodium sulphate fumes; Sodium Chlor... see more
S. O. Jekayinfa, E. O. Olafimihan, G. A. Odewole
A pedal – operated cassava grating machine was developed and evaluated. The grater is to bridge the gap between the motorized grater and the labour-intensive, traditional cassava grating device, and to ameliorate the tedium of cassava grating at the villa... see more
A. A. Adegbola
Dynamic programming technique was used in the simulation of Obafemi Awolowo University Campus water supply system to generate the maximum cumulative returns from sales of water to the people around for a seasonal planning period of a year. Major parameter... see more