Engineering

Research Papers/Topics in Engineering

A Technical Report on Student Industrial Work Experience Scheme (SIWES) on Laptop Repair

A technical report on student work experience scheme on laptop repair.The students industrial work experience scheme (SIWES) established in 1973 by decree 23 of Federal Republic of Nigeria  is the accepted skills training programme involving the students,universities and the industry (employers of labor),  that  is a part of the approved minimum academic standards in various degree programme for all the Nigerian Universities. I worked in the Engineering and Standards Depar...

UNDRAINED SHEAR BEHAVIOR OF SOILS OCCURRING WITHIN NNAMDI AZIKIWE UNIVERSITY, AWKA

ABSTRACTDuring this research work, namely; the undrained shear behavior of soils within Nnamdi Azikiwe University, five different samples within the university compound were analyzed. Some laboratory test was carried out for classification and identification of their engineering properties, these tests include particle size distribution, Atterberg limit test, specific gravity, and free swell tests. Also, shear strength test (UU triaxial test) at different cell pressures and one-dimensional co...

Development of Practical Instructional Guide in the Production of Portable Universal Serial Bus (UBS) Charger

AbstractThis research work focuses on development of practical instructional guide in the production of portable Universal SerialBus (UBS) Charger. Two research questions were set to guide the study. The study was carried out in Federal College of Education(Technical) Omoku Rivers State. The study adopted research and development design. The population for this study is 337 NCE I, II,and III electrical / electronics technology students. The sample of the study consists of 103 NCE I, II, and I...

DESIGN AND IMPLEMENTATION OF AUTOMATIC SECURITY LIGHTING SYSTEM FOR ATBU YELWA CAMPUS.

ABSTRACTThis project work has covered the design of an automatic security lighting system for ATBU, Yelwa Campus. Requirements for illuminance, type of fittings, power dissipation and mounting height were put into consideration. An electronic model of the campus was built with the streets outlined and lamps fixed at positions along the streets according to the design. An electronic control, based on a Light Dependent Resistor (LDR) is built, which provides automatic switch on and switch off o...

DESIGN AND CONSTRUCTION OF 100W ELECTRIC POWER INVERTER

ABSTRACTNo one form of power can sustain a nation. The ever increasing demand for electrical power has arisen from our lifestyles with revolves around electric power to speed up processes of development such as manufacturing, service provision and general well being of man.The need for the provision of quick but minute energy to prevent the disruption of small but very important business or personal processes could be life saving promoting efficiency at all times.This project work goes throug...

INTEGRATION OF DISTRIBUTED GENERATION (DG) OF ELECTRIC POWER SUPPLY

Adding to the requirement and need for power supply for day to day activities, it is therefore a necessity to design the power system to maintain minimal technical losses in the network, because most of our system component lack sufficient reactive power ability, this mean that the penetration of distributed generation (DG) will give way to reduce the transmission and distribution system resources thereby increase the reliability and probably better the power quality at all time. Hence the ob...

Physical and Aerodynamic Properties of African Breadfruit (Treculia Africana) Seeds

ABSTRACTPhysical and aerodynamic properties of African breadfruit (Treculia africana) seeds were studied at four moisture levels: 12.50, 15.00, 17.50 and 20.10% wet basis (w.b). As moisture content increased from 10.50 to 20.10% wet basis (w.b), the average weight, major diameter, minor diameter, intermediate diameter, geometric mean diameter, arithmetic mean diameter of the seeds ranged from 0.35-0.60g, 8.0-10.06mm, 4.04-5.00mm, 2.96-4.60mm, 4.52-6.03mm, and 5.03-6.55mm respectively. Also th...

Design and Construction of Solar Powered Computer Control System for Electrical Machines and Spark Ignition Systems

AbstractIn this project we designed a solar powered computer control system for electrical machines and spark ignition engines. It is made up of a hardware device that comprises of various electrical components which are powered by a 25W solar panel. The power cord of the machines are modified and connected to the hardware and the hardware is in turn connected to a laptop computer using a USB cord. The machines are controlled from the laptop computer using special software developed in...

Design and Construction of a GSM-Controlled Pick and Place Robot

ABSTRACTThe modern manufacturing environment is dynamic and uncertain. In line with the globaltrend in manufacturing, this project is carried out to explore into the potentials of robots inmanufacturing, service industry, and domestic use. The robot was designed and constructed to incorporate the use of mobile phones as control mechanism via dual-tonemultiple frequency (DTMF). Various components such as the Gripper, Gears, Chains, and Control system were designed with good factor of safety...

Critical Analysis of the Recent Poor Performance of Engineering Students in Engineering Mathematics: A Case of Nnamdi Azikiwe University,

AbstractThe ever-increasing rate of failure of engineering students in engineering mathematics is one which the school management and entire stakeholders need not wink at any longer. Engineering mathematics is a prerequisite for all engineering discipline. It equips the student with problem solving skills and cognitive ability needed for higher thinking. The research was conducted to investigate and critically analyze the causes of the recent poor performance of engineering students in t...

Recycling and reuses of waste paper within Mapoly Community.

ABSTRACTThis work is an attempt at recycling and re-use of waste paper within Mapoly Community. Since the day it is invented till today, paper is a part of human life in various ways and it is gaining even more popularity as years go by. As the consumption of paper has been exploited. Recycling of paper has become vital since the demand for paper has increased and natural resources are being exploited.In this study, the quantity of solid waste generated within MAPOLY were assessed. Also, coll...

MODELING OF CORE LOSS IN INDUCTION MACHINE

AbstractInduction machine account for about 60percent of the electrical consumption in industrial countries; hence a huge energy savings could be achieved by even a small increment in the machine efficiency. Improving the designs of induction machines requires accurate quantification of the machine losses. A significant portion of the losses in electrical machine is caused by the core losses in the magnetic materials. The physical mechanism of core losses is still an open problem, and most of...

Design of Urban Stormwater Harvesting and Application System (Case Study Nairobi CBD)

ABSTRACT The city of Nairobi was initially engineered to keep stormwater out of sight and out of mind. Unfortunately, that approach has turned a potential resource into a waste product and created new environmental hazards. Once the rain falls onto the impervious surfaces of the streets, sidewalk, parking lots and rooftops, it picks up any and all pollutants that are  in  its  path,  gathering  volume  and  speed  into  the  storm  d...

SUSTAINABLE WASTE TO WEALTH SCHEME FOR THE UNIVERSITY OF LAGOSA CASE FOR PET BOTTLES

ABSTRACT Polyethylene terephthalate (PET) bottles are plastic bottles derived from the raw material known as polyethylene terephthalate). The PET bottles are widely used for packaging carbonated drinks, beverages, food items, mineral water. Due to high consumption of PET bottles, trillions of PET bottles are disposed every year through, land filling, incineration, and ocean dumping; thus, creating nuisance and causing problem to the environment.  This work aims to find an environmentally fr...

CONSTRUCTION OF A 12VDC TO 230VAC POWER INVERTER

TABLE OF CONTENTSTITLE PAGE APPROVAL PAGE DEDICATION ACKNOWLEDGEMENT ABSTRACT TABLE OF CONTENT CHAPTER ONE 1.0 INTRODUCTION 1.1 OBJECTIVE OF THE PROJECT1.2 SIGNIFICANCE OF THE PROJECT1.3    APPLICATION OF THE PROJECT1.4 SCOPE OF THE PROJECT1.5 LIMITATION OF THE PROJECT1.6 PURPOSE OF THE PROJECT1.7 PROJECT ORGANISATIONCHAPTER TWO2.0     LITERATURE REVIEW2.1 REVIEW OF HISTORY OF AN INVERTER2.2   REVIEW OF HOW TO CHOOSING THE RIGHT INVERTER2.3 REVIEW OF THE DIFFERENCE BETWEEN SIN...


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