Faculty of Engineering
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Theoretical Determination of Temperature Field in Orthogonal Machining
(Taiwan Association of Engineers and Technologists, 2013-06-28)In this work, mathematical models were developed to simulate the thermal behaviour of a cutting tool insert in three-dimensional dry machining. Models to determine the temperature rise at the shear plane and tool insert ... -
Small hydropower (SHP) development in Nigeria: An assessment
(Pergamon, 2011-05-01)This paper evaluates small hydropower (SHP) development and examines the current situation in Nigeria with respect to the established policies and Energy Power Sector Reform (EPSR) Act 2005. Hydropower sector witnessed ... -
Development of a variable size nut cracker
(CIGR, 2015-09)In this work, a variable size nut cracking machine has been designed, constructed and tested to improve the efficiency of shelling operation of quite a number of nuts. The machine is designed to be adaptable to the cracking ... -
Ergonomic evaluation of cashew nut shelling machine
(CIGR, 2016-03)This paper presents the ergonomic evaluation of a manually operated village-level cashew nut shelling machine. A manually operated cashew nut cracking machine was evaluated. Fifty subjects took part in the study, with ... -
Experimental prediction and optimization of material removal rate during hard turning of austenitic 304L stanless steel
(Kwame Nkrumah University of Science and Technology, 2016-08)This work involves a predictive model for material removal rate (MRR). It investigates the influence of machining process parameters such as cutting speed, feed rate and depth of cut on the material removal rate (output ... -
Review of fault detection techniques for health monitoring of helicopter gearbox
(Springer International Publishing, 2017-11-07)In most cases the helicopter transmission system comprises of the main gearbox (MGB), auxiliary gearbox (AGB), intermediate gearbox (IGB) and tail rotor gearbox (TGB). A local gear fault will impose a force variation in ... -
Biogas production from cassava waste
(Trans Tech, Switzerland, 2008-04-15)Anaerobic digestion is being taken seriously because of increasing concerns about the environmental hazards of wastes. The production of biogas, as an alternative source of energy was investigated in a designed and fabricated ... -
Development of a Delonix regia decorticating machine
(John Wiley & Sons Ltd., 2019-10-27)Delonix regia has good potential for medicinal, nutritional, and energy applications. However, the manual process of decorticating Delonix regia is labor-intensive, slow, and tedious. Mechanization of the decorticating ... -
Parametric analysis and design of straight screw extruder for solids compaction
(Elsevier B.V., 2017)Screw extruders are commonly used in the food and polymer industries. Scientifically designed screw extruders for biomass compaction equipment are required to limit the existing problems faced in theindustry. In this study, ... -
Design and development of cashew nut shelling machine
(Emerald Group Publishing Limited, 2010-07-29)The purpose of this paper is to investigate the physical and mechanical characteristics of the roasted cashew nut during fracture, by subjecting the nut to varying impact load tests at different orientations to ascertain ... -
Investigation into the effects of solid lubricant on the surface characteristics of some metals during orthogonal machining
(Emerald Group Publishing Limited, 2011-12-31)The main purpose of this paper is to explore the use of solid lubricant during orthogonal machining of carbon steels. This is a pioneer work in Nigeria. Most works have been on oblique cutting using conventional oil as ... -
Review of fault detection techniques for health monitoring of helicopter gearbox
(Springer, 2016-11-09)In most cases the helicopter transmission system comprises of the main gearbox (MGB), auxiliary gearbox (AGB), intermediate gearbox (IGB) and tail rotor gearbox (TGB). A local gear fault will impose a force variation in ... -
Pressure build-up and wear analysis of tapered screw extruder biomass briquetting machines
(Agricultural Engineering International, 2019-07-23)The design of efficient screw extruder biomass briquetting machines is important for the utilization of loose biomass materials from wood and agricultural wastes for the production of solid fuel. In this study, the effects ... -
Development of almond seed extractor for whole kernel recovery
(Agricultural Engineering International, 2018-02-22)Almond seed extraction from whole kernel recovery is a process which is usually performed manually thus making it laborious and time consuming. The purpose of this paper is to investigate a means for almond seed extraction ... -
Design and performance evaluation of centrifugal cashew nut sheller for improving the whole kernel recovery
(Agricultural Engineering International, 2017-03-25)Cashew nut centrifugal shelling machine was designed and constructed. Shelling efficiency and whole kernel recovery were evaluated for hot-oil roasted nuts on the machine. The design was based on the principle of the optimum ... -
Force modeling and dynamic behaviour of multi-dimensional vibration assisted micro-end milling: linear and nonlinear analyses
(World Scientific News, 2020-03)The concept of component miniaturization is core in the production of sensitive components of the micro, nano and meso-scale. Vibration assisted micro-end milling is a miniaturized machining method that effectively produce ... -
A novel condition indicator for bearing fault detection within helicopter transmission
(Springer, 2020-06-13)Helicopter usage and monitoring system (HUMS) is one of the critical systems for helicopter’s safety and reliability. Whilst HUMS has proven to be effective in detecting gears’ defects, bearing failures are not adequately ... -
Mathematical modelling of pressure distribution along the die of a biomass briquetting machine
(Inderscience Enterprises Ltd., 2019-12-15)The screw extruder briquetting die is critical to determining the quality of biomass briquettes. In this study, mathematical models were developed to study pressure distribution along the briquetting die using the hot ... -
Parametric analysis and design of straight screw extruder for solids compaction
(Elsevier B.V., 2017-03-30)Screw extruders are commonly used in the food and polymer industries. Scientifically designed screw extruders for biomass compaction equipment are required to limit the existing problems faced in the industry. In this ... -
Effects Of Reinforcement Particle Sizes On Mechanical Properties Of Aluminium/Egg Shell Composites
(UNILAG Journal of Medicine, Science and Technology, 2016)The 100 and 150 µm sized CaCO3 particles (sourced from eggshells) from 2-12 wt.% by were used as reinforcements for the fabrication of Al ceramics composites using compo cast technique. The technique involves manual ...