Tunji John Erinle

• CEng, PEng. (MECHANICAL ENGINEERING),MIAENG,MNSE,MISME,MASME,MNIMechE,MISINDE,MSAE,MAutoEI, E-MAIAA,MISAI,MISOR,MASTM(St),MMSN,MNMS,MNACE(St),MASSP(St),MNIWE,MNATE,COREN Registered,Professional&Certified Mechanical Engineer,Electromechanical Expert
• Lecturer at The Federal Polytechnic, Ado-Ekiti, Nigeria.

The historic United Nations summit on 01st January 2016 adopted the 17 Sustainable Development Goals (SDGs) and set the 2030 Agenda for Sustainable Development. Energy is a key part of the sustainable development agenda however the current renewable energy system faces several limitations like intermittency, grid integration challenges, and energy...

Prevention is emphasized as a preferable strategy to cure, particularly for severe diseases that frequently develop gradually. Early diagnosis of abnormal health issues can lead to successful treatments and overall well-being improvement. Vital health factors such as BMI, blood pressure, temperature, and blood glucose levels all play an important p...

This study aims to investigate the mechanical properties of sustainable recycled polypropylene (rPP) composite materials integrated with spherical silicon carbide (SiC) particles. A representative volume element (RVE) analysis is employed to predict the Young’s modulus of rPP filled with spherical-shaped SiC at varying volume percentages (i.e. 10,...

Additive Manufacturing (AM) is a revolutionary technique that offers design freedom and material variability, revolutionizing traditional manufacturing processes. It benefits industries like aerospace, automotive, medical, consumer products, and energy by reducing lead times, costs, and increasing sustainability. This paper explores AM's potential...

Vibration sensing systems play a critical role in ensuring the safety and longevity of modern structures, contributing to the advancement of intelligent and sustainable infrastructure. This research focuses on the design and implementation of a vibration-detecting system utilising accelerometers and velocity transducers for continuous monitoring an...

The urgent demand for clean energy solutions has driven the need for innovative methods of power generation. This paper presents the design and construction of a fuelless generator that utilizes an electric motor and alternator as a novel alternative to traditional fossil fuel generators. The primary objective of this ground-breaking innovation is...

The additive manufacturing process is one of the keys to advanced engineering manufacturing processes in this era of the Fourth Industrial Revolution. Fused deposition modelling (FDM) and selective laser sintering (SLS) are two additive manufacturing (AM) techniques that can be used for rapid prototyping. The importance of fused deposition modellin...

The study focused on ergonomically anthropometric body mass index (BMI) measuring system for medical checkups and maintenance of the human body system's health status. The aim of the study is to develop an ergonomically anthropometric BMI measuring system for medical checkup and upkeep of the human body system's health status. This study covers the...

The study focused on ergonomically anthropometric body mass index (BMI) measuring system for medical checkups and maintenance of the human body system's health status. The aim of the study is to develop an ergonomically anthropometric BMI measuring system for medical checkup and upkeep of the human body system's health status. This study covers the...

Vibration sensing systems play a critical role in ensuring the safety and longevity of modern structures, contributing to the advancement of intelligent and sustainable infrastructure. This research focuses on the design and implementation of a vibration-detecting system utilising accelerometers and velocity transducers for continuous monitoring an...

Phase Change Materials (PCMs) employ latent heat property for storage and management of thermal energy in various applications. In order to ensure efficient performances of PCMs, their compositional compatibility in terms of corrosiveness on container/encapsulation materials is as important as thermal characteristic. This compatibility is usually d...

The additive manufacturing process is one of the keys to advanced engineering manufacturing processes in this era of the Fourth Industrial Revolution. Fused deposition modelling (FDM) and selective laser sintering (SLS) are two additive manufacturing (AM) techniques that can be used for rapid prototyping. The importance of fused deposition modellin...

Numerous lubricants have been developed and numerous approaches to improved, long-term lubricant performance have been discovered. In recent years, the addition of foreign substances in nano quantities to enhance the properties of base oils for specific applications has also received increased attention. Even though these methods have produced ama...

There is a need to identify sustainable energy sources for producing energy without harming the environment. Renewable energy sources have the potential to significantly contribute to long-term development. A pyrolysis reactor is a device that pyrolyzes biomass materials in the absence of oxygen to produce bio-char, bio-oil, and bio-gas. The resear...

The need to convert agricultural wastes to useful and viable source of alternative energy for domestic and industrial purposes has been very rife in recent developments. Energy sustainability, suitability and affordability is required for human socioeconomic growth and development for better standard of living. This study focused on effect of two d...

Liquefied Petroleum Gas as a flammable hydrocarbon gases which is produced during natural gas processing and petroleum refining. The important of using Liquefied Petroleum Gas is more than employing as cooking fuel in the developing countries. The underutilization of this clean and environmental friendly gas had led to this study to evaluate its us...

There are several sources of renewable energy such as tidal, wave, wind, hydro-electric, geothermal,ocean thermal conversion (OTEC), solar and biofuels. All the renewable energy sources have receivedincreasing attention in such a way that they do not have a fuel cycle in which they are regarded asenvironmentally more favourable. Renewable energy so...

This study focused on the experimental evaluation of air-conditioning system of itscoefficient of performance. Performance of any vapour compression system is evaluated by theoperational coefficient of performance (COP). The aim was to evaluate the effect of parametersthat affect COP of refrigeration system. Measurements of important operational pa...

Robotics is a branch of science and technology concerned with the design, development, operation, and use of computer-controlled mechanical devices as automated tools. Artificial Intelligence (AI) is the study and development of intelligent computers that can perform duties similar to those performed by humans. The ultimate goal of robotics and art...

Agriculture reflects a profound change in the relationship between humans and the environment. Agricultural development entails a step-up in the extraction of natural resources from the environment. Agricultural machinery is a device that significantly reduces the amount of human labour required for food and fibre production. For the agricultural i...

The development of new lightweight engineering materials with highly improved mechanical properties has been a thought-provoking issue of materials engineering lately. The attempt being made by the industrial and academic bodies has engendered the shift to composite materials over conventional ones. Aluminium reinforced composites are now being use...

Ceramic particulate like titanium dioxide play major role in enhancement of properties of aluminium composites for high strength-low weight applications. The major process used in the dispersion of the particles in the melt is the stir casting route. There is need for incremental studies on the modelling and optimization of the procedure. This stud...

Purpose The purpose of this paper is to investigate the mechanisms of low alloyed medium-carbon steel (LAMCS) corrosion in 0.5 M H 2 SO 4 inhibited by seeds oils of rubber (SOR), Neem (SON) and Jatropha (SOJ) containing varying degree of free fatty acid (FFA). Design/methodology/approach Specific gravity, acid values and FFA compositions of oils w...

In a bid to develop a cheaper alternative material for particleboard, fiber/ particulate reinforced cement-paper composites were produced. The paper-cement matrix had 12 wt. % of cement and the matrix was reinforced with 10 wt. % fixed amount of coconut shell powder and varied amount of palm kernel fiber (0, 0.5, 1.0, 1.5, 2.0, and 2.5 wt. %). Two...

Waste wig fibers, empty eggshell powder and waste paper were recycled in the development of composite boards as potential sustainable material for wall partitioning. Samples were produced by blending these wastes with cement in the presence of water and cured for 14 and 28 days. The samples produced were examined for density, porosity, thickness sw...

This study focused on the experimental evaluation of airconditioning system of its coefficient of performance. Performance of any vapour compression system is evaluated by the operational coefficient of performance (COP). The aim was to evaluate the effect of parameters that affect COP of refrigeration system. Measurements of important operational...

In a bid to develop a cheaper alternative material for particleboard, fiber/particulate reinforced cement-paper composites were produced. The paper-cement matrix had 12 wt. % of cement and the matrix was reinforced with 10 wt. % fixed amount of coconut shell powder and varied amount of palm kernel fiber (0, 0.5, 1.0, 1.5, 2.0, and 2.5 wt. %). Two s...

ABSTRACT Liquefied Petroleum Gas is a flammable hydrocarbon gas which is produced during natural gas processing and petroleum refining. The important of using Liquefied Petroleum Gas is more than employing as cooking fuel in the developing countries. The underutilization of this clean and environmental friendly gas had led to this study to evaluate...

Anthropometry medical measuring system is very important in health sector in taking the physical measurement of patients. The research focused on the need to consider a parametric design of height and weight measuring system with the enlightenment of basic design principle. The materials involved for the parametric design of this medical measuring...

This study focused on the experimental evaluation of airconditioning system of its coefficient of performance. Performance of any vapour compression system is evaluated by the operational coefficient of performance (COP). Measurements of important operational parameters such as the evaporator and condenser temperatures were studied and measured fro...

The study focused on production of hydrogen gas by means of water hydrolysis using electrolysis of brine. The alarming negative effect of hydrocarbon on the earth is on the rise every day. Hydrogen gas burns cleaner than hydrocarbon sources and it provides a solution to the problems constituted by other carbon emitting fuels. Therefore, a need to d...

Corrosion inhibition mechanisms of Rubber, Neem and Jatropha seeds oils on low-alloyed low-carbon steel in 0.5 M·H2SO4 environment have been investigated herein. Potentiodynamic polarization, electrochemical impedance spectroscopy and scanning electron spectroscopy techniques were employed for the experimental process. The results obtained showed t...

The need for constant supply of electricity to protect steel structures brings about the use of solar cells. This research work involves the cathodic protection of underground mild steel pipes by impressed current using solar cells as rectifier. The pipes were buried at two separate sites; X and Y. Site X for the control experiment and Y for the ma...

Neem Seed Oil (NSO) and Jatropha Seeds Oil (JSO) have been used as cutting fluids for metals machining, employing minimum quantity lubrication technique. The metals so machined are subjected to atmospheric corrosive action of sulphate ions, most especially in oil refineries and sulphur plants environments. Thus, this work is focused on investigatin...

ABSTRACT In this paper, the effect of throttling variation on the performance of vapour compression refrigeration system using R134a refrigerant as working fluid was investigated and reported. The investigation was carried out using a refrigeration test rig with capillary line as throttling device which was split into three capillary lines of t...

This study collected existing mathematical formulae that are essential for load estimation in residential and non-residential buildings, combined the formulae collected and wrote a computer algorithm that would effectively support load estimation in residential and non-residential buildings. The algorithm was used to develop interactive and user-fr...

Airconditioning is the process of altering the properties of air such as temperature and humidity to achieve favourable conditions with the aim of distributing the conditioned air to an occupied space to improve comfort. It has been observed that the operational Coefficient of performance (COP) is not the same as the design COP due to certain facto...

The weighing machine has spring wire diameter í µí¿‘ í µí°¦í µí°¦ with í µí¿í µí¿Ž í µí°œí µí°¨í µí°¢í µí°¥í µí°¬ and external diameter í µí¿‘í µí¿Ž í µí°¦í µí°¦. The objectives of this work are to develop and determine the performance evaluation of the mechanical spring weighing machine of í µí¿’í µí¿Ží µí¿Ž í µí°í µí°ží µí°°í µí°­í µí°¨í µí° §(...

Wind turbine, which produced virtually no CO 2 emission and generates mainly green energy, has long been recognized as an abundant potential source of electric power and the fact that wind power is one of the lowest cost power generation technologies. In this case a micro wind turbine was developed, its measurement, results and analysis are been pr...

The most popular means of transportation is the road transport for the movement of goods and services. The reliability performance of engines of used vehicles has become a major concern for a number of reasons ranging from pollution and degradation of environment to high cost of repairs and maintenance. Up till present time, there is no mean of asc...

This research is to take into consideration of the measurement between the driver's body dimension and the car seat of selected sport utility vehicle (SUV) for its ergonomic evaluation using anthropometric parameters. The aim of this research is to access the driver's seat ergonomics of three Sport Utility Vehicles (SUVs) popular in Nigeria so as t...

The wind turbine, which produces virtually no CO 2 emission, has long been recognized as an abundant potential source of electric power. The fact is that wind power is one of the lowest-cost power generation technologies. In this work, a small-scale wind turbine has been designed and fabricated. The measurement, results and analysis of the wind tur...

One of the most useful pieces of equipment for the grinding and polishing metallic materials in order to determine their physical structure using microscopy is metallographic specimen polishing machine. The objectives of the project are to design and construct a machine that will polish metal for physical metallographic determination and also to de...

Evaluation is the method of estimating the present value of a property. The aims and objectives of this valuation study are to determine the present condition of a plant and machinery after engineering tests and trials, review the past operational and financial performance of the plant, assess the probable remaining operational life of the plant an...