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1. AN ASSESSMENT OF INNOVATION PROCESSES AND PRACTICES IN CONSTRUCTION INDUSTRY IN AKWA IBOM STATE OF NIGERIA

86 Student Researchers Quantitative

​​​BACKGROUND OF THE STUDY

Because of its contribution to national economic development, competitiveness, and improved living standards, innovation has become a fundamental concern for all businesses and governments. It's a complicated phenomenon with a wide range of inputs and outputs that have varying effects on firm, sector, and national performance. There is no one, comprehensive definition of innovation; it can encompass both technological...

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2. THE EFFECTS OF HEAT TREATMENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF WHITE AFARA WOOD (TERMINALIA SUPERBA)

86 Student Researchers

ABSTRACT

The heat treatment of wood is an environmental friendly method for wood preservation. This process improves wood resistance to decay and its dimensional stability. In this study, the physical properties of White Afara wood( Terminalia superb) such as density, moisture content and shrinkage were investigated as well as mechanical property such as compression strength. Woods specimen that had been conditioned at 65% relative humility and 20 ± 2ºC temperature were...

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3. VEHICLE CRASH LOCATION DETECTION AND ALERTING SYSTEM USING ANDROID SMART PHONE AND GPS TECHNOLOGIES

86 Student Researchers

ABSTRACT

Nowadays varying degrees of road crashes have been recorded from both developed and developing nations of the world. Crashes especially those that involve loss of lives around the world and in particular in developing countries is alarming. The existing solution is in-vehicle accident detection system, which is expensive. In this research work, a less expensive and system that can be widely used to reduce the time to report and respond to vehicle crash was developed. The sy...

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4. Production of Wood Polymer Composite from African Copaiba Balsam (Daniella oliveri) Wood Dust : Effects of Wood Dust Particle Size Distribution and Content

86 Student Researchers

ABSTRACT

This thesis explore the effects of wood dust particle size distribution and contents on the functional properties of wood plastic composites WPCs prepared from virgin high density poly-ethylene (vHDPE) and dilute sodium hydroxide (NaOH) treated African Copaiba Balsam (Daniella oliveri) wood dusts via compression moulding technique. Changes in the structure and the properties of WPCs resulting from variation in daniella oliveri wood dusts particle size distribution and conte...

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5. PERFORMANCE ANALYSIS OF A HEAT EXCHANGER FOR A WOOD CHIPS DOWNDRAFT GASIFIER

86 Student Researchers

ABSTRACT

Downdraft gasifier is one of the equipment that have been employed in biomass gasification for syngas production which is used as gaseous fuels and chemicals. The quality of the produced syngas depend upon the operating conditions of the gasifier. In this research, a counter flow heat exchanger was fitted to the air inlet of a downdraft gasifier in order to extract heat from the produced high temperature syngas and used to preheat the gasifying agent (Air) before being intr...

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6. DESIGN AND CONSTRUCTION OF JOURNAL BEARING DEMONSTRATION RIG

86 Student Researchers

ABSTRACT

The journal bearing demonstration rig is an apparatus which is used to study how pressure would vary around the section of a journal bearing at various speed of the shaft and loading conditions. The design of the journal bearing was done by the use of standard design procedures carefully stated within this work. The frame, the journal bearing, the journal shaft, the base plate and all relevant components of the apparatus were designed. Other parts not constructed were procu...

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7. DESIGN, FABRICATION AND EVALUATION OF A BENISEED (Sesamum indicum L.) OIL EXPELLER

86 Student Researchers

ABSRACT

Some physical and mechanical properties of two Nigerian beniseed accessions (Yandev-55 and E8) were determined at 5 moisture content levels of 5.3, 10.6, 16.1, 22.4, and 28.3 per cent (wet basis). These were used as inputs into designing a beniseed oil expeller, as available ones could not perform effectively with the seed. The determined physical properties were linear dimensions, size, sphericity, bulk and true densities, porosity, thousand kernel weight and coefficient of...

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8. COMBINED EXPERIMENTAL AND MODELING STUDIES REVEAL NEW MECHANISMS IN T CELL ANTIGEN RECOGNITION

86 Student Researchers

SUMMARY

T cells of the immune system recognize small antigen peptide fragments loaded onto Major Histocompatibility Complex (MHC) molecules through their T Cell Receptor (TCR). The recognition of antigenic pMHC by the TCR is an extremely sensitive and specific process, discriminating as few as a single antigenic pMHC from the self majority while remaining tolerant to uninfected cells. This unique sensitivity and specificity have been intensely studied, but much is still unknown rega...

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9. ARTIFICIAL NEURAL NETWORK BASED PREDICTION AND COOLING ENRGY OPTIMIZATION OF DATA CENTERS

86 Student Researchers

ABSTRACT

Thermal management of data centers remains a challenge because of their everincreasing power densities and decreasing server footprints. Current lack of dynamic control over global provisioning and local distribution of cooling resources often result in wasteful overcooling. These trends motivate this thesis research, which focuses on the development of a reliable and energy-efficient framework for allocating cooling resources to meet thermal management requirements, while...

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10. PERFORMANCE ANALYSIS AND ENHANCEMENT OF PEUGEOT 307 TIMING BELT

86 Student Researchers

ABSTRACT

In this study of Performance analysis and enhancement of Peugeot 307 timing belt, the effect of the engine speed, run time on the timing belt geometry were investigated and also a model were built to test how an engine should stop working when the timing belt cuts using sensor. The analysis, forces acting on the belt were carried out numerically. The belt failure monitoring model was achieved by the use of ultra-sonic sensor. Also an experiment was design to study the effec...

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11. PARAMETRIC ANALYSIS AND SIMULATION OF A TUGBOAT PROPELLER BLADE

86 Student Researchers

ABSTRACT

The parametric analysis of a tugboat propeller blade was carried out with solidworks computer aided simulation software. The aim is to achieve vibration and noise mitigation as well as performance improvement of the propulsion system by varying the number of propeller blade to ascertain minimum allowable pressure on the propulsion system. To determine the magnitude of stiffness assumed in the dynamic part of the propulsion system, modeling the propulsion system as an elasti...

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12. DEVELOPMENT OF AUTOMOTIVE BRAKE PAD FROM COMPOSITES OF SHEA NUT (VITELLARIA PARADOXA) SHELL AND COW HOOF (BAUHINIA UNGULATA)

86 Student Researchers

ABSTRACT

This research work used shea nut (vitellaria paradoxa) shell and cow hoof (bauhinia ungulata) as the reinforcement materials in the production of automotive brake pads. Taguchi method of experimental design and grey relational analysis were used to determine the optimal values of the manufacturing parameters. Other constituents combined together to produce the brake pad samples were epoxy resin, graphite, calcium carbonate and aluminium oxide. The optimal values obtained fo...

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13. DEVELOPMENT OF LIGHT VEHICLE BRAKE PAD TEST RIG

86 Student Researchers

ABSTRACT

This report presents the development of light vehicle brake pad test rig for testing and measuring the materials frictional characteristics such as brake pad wear rate, disc temperature, and average disc stopping time. Product validation and quality control is very necessary in the developmental process of any product. The brake pads were tested at various input variables such as speed and pressure to determine the effects of contact pressure on brake pad wear, and effects...

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14. DEVELOPMENT OF A 5KG CAPACITY INDUCTION FURNACE FOR MELTING ALUMINIUM

86 Student Researchers

ABSTRACT

Aluminium in Nigeria is a popular metallic element. Widely used to produce single domestic appliances and even industrial engine components. These components display a decrease in performance level after many years of service are discarded and they become waste that tend to be a problem to manage. Furnaces are required for student practice to improve their technical skills, to reduce stress of local blacksmiths and the reduce delays due to frequent power interruption. This...

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15. DEVELOPMENT OF A LOW COST BRIQUETTE MAKING MACHINE

86 Student Researchers

ABSTRACT

The work focuses on the development of a low cost briquette making machine using Rice husks and Sugarcane baggase as selected materials. The realization that deforestation and wood fuel shortages are likely to become pressing problems in many countries has turned attention to other types of biomass fuel. However, rice husks and sugarcane baggasse residues are often bulky and difficult to burn which lead to this conversion technique developed. In developing this briquetting...

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16. CHARACTERIZATION AND FORMULATION OF WAX COMPOSITION FOR INVESTMENT CASTING PATTERN.

86 Student Researchers

ABSTRACT

In this study selected natural waxes were blended with other selected synthetic waxes like paraffin wax and microcrystalline wax for the purpose of investment casting. Beeswax, carnauba wax and microcrystalline wax were selected to be blended with paraffin wax at the proportion of; 100%-0%, 80%-20%, 60%-40%, 50%-50%, 40%-60%, 20%-80%, and 0%-100% for each blend. Wax properties like ash content, density, specific gravity, melting point, surface finishing, and shrinkage were...

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17. CHARACTERIZATION AND FORMULATION OF WAX COMPOSITION FOR INVESTMENT CASTING PATTERN.

86 Student Researchers

ABSTRACT

In this study selected natural waxes were blended with other selected synthetic waxes like paraffin wax and microcrystalline wax for the purpose of investment casting. Beeswax, carnauba wax and microcrystalline wax were selected to be blended with paraffin wax at the proportion of; 100%-0%, 80%-20%, 60%-40%, 50%-50%, 40%-60%, 20%-80%, and 0%-100% for each blend. Wax properties like ash content, density, specific gravity, melting point, surface finishing, and shrinkage were...

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18. CHARACTERISATION OF RECYCLED STEEL IN NIGERIA FOR QUALITY ASSESSMENT

86 Student Researchers

ABSTRACT

The chemical and mechanical properties of recycled mild steel from scraps in Nigeria was investigated using the mechanical (strength of materials) testing approach, chemical (elemental composition) testing approach and metallurgical (microstructural analysis) testing approach methods. The aim of this study is to investigate the quality of recycled mild steel reinforcement used for engineering applications in Nigeria by obtaining asproduced mild steel samples of 12mm diamete...

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19. ASSESSMENT OF ENERGY GENERATION POTENTIAL FROM SOLID WASTES IN ABUJA MUNICIPAL

86 Student Researchers

ABSTRACT There are improper solid waste management processes in Abuja metropolis which leads to causes of ill health and environmental hazards to inhabitants. The effect of pollution caused by solid waste in open dumps and landfills can be minimised through conversion of the waste to energy.This study focuses on assessing energy generation potential from solid waste generated in Abuja municipal. The study investigated available energy conversion in solid waste using four sample of waste from...

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20. FABRICATION OF A FOLDABLE CAMP BED

86 Student Researchers

INTRODUCTION

        Camp bed is used universally for relaxation, emergency eases such as war and in other several ways, and it is the acknowledgement of these resources that led to the design of the foldable camp – bed. All the existing foldable camp bed, have almost the same dimension but differ in design. Some use rope and ailets while the modern design make use of wood and spring. Some other are constructed using straight...

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21. SIMULATION, DEVELOPMENT AND PERFORMANCE EVALUATION OF A SOLAR/GAS HYBRID POWERED ABSORPTION AIR – CONDITIONING SYSTEM

86 Student Researchers

ABSTRACT

In this study, a gas assisted solar powered absorption air – conditioning system was designed, constructed and tested under Zaria weather conditions in Nigeria. A technical and economic viability study of the system was first carried out by developing and simulating a TRNSYS model of the system to cool an office block with an average space cooling demand of 151.8kWh/m2 per annum, under Zaria weather conditions. System components were sized and optimized to give maximu...

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22. PRODUCTION AND PERFORMANCE EVALUATION OF BIODEGRADABLE GREASE (BIOGREASE) FROM Balanites aegyptiaca (DESERT DATE) SEED OIL

86 Student Researchers

ABSTRACT

This work focused on the production and testing of biodegradable grease from Balanites aegyptiaca seed kernel oil. This was carried out by extracting the oil from the seeds using solvent n-Hexane extraction and reacting a given quantity of the extracted oil with a lithium soap to produce a lithium based biogrease. Consistency tests, drop point as well as gear wear tests were conducted on the developed biogrease samples and the results compared against that of a commercially...

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23. PERFORMANCE EVALUATION OF DIFFERENT MATERIALS AS CHILLS IN SAND CASTING OF ALUMINIUM ALLOY

86 Student Researchers

ABSTRACT

This study has evaluated the effectiveness of metallic materials as chill in sand casting of aluminium alloy. Four plates of dimension 165mm x 80mm x10mm were cast using sand mould. Steel, copper and brass chills in form of cylindrical bar of geometry 7mm in diameter and 50mm long were inserted, side by side at regular intervals of 30mm in each sand mould and the last sample was left unchilled. Experimentation involved testing of mechanical properties and metallographic ana...

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24. INVESTIGATION OF THE THERMAL PROPERTIES OF WOOD ASH AND CLAYSAWDUST MIXTURE FOR USE AS INSULATION MATERIALS IN A ROCKET STOVE

86 Student Researchers

ABSTRACT

In recent years there has been an increased awareness to conserve energy through efficient use of fuels, energy saving devices and insulation against heat losses. Consequently, the construction of a rocket stove was undertaken in this research and the thermal property tests for ash and clay-sawdust insulation materials were carried out, after which the effect of these insulation materials on the thermal efficiency of the rocket stove was experimentally determined using cook...

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25. FAILURE EVALUATION OF ENGINEERING PROJECTS IN NIGERIA

86 Student Researchers

ABSTRACT

This study centres on Failure Evaluation of Engineering Projects in Nigeria, A case study of Pipeline and Product Marketing Company Limited (PPMC). The instrument used in this study is analysis of some randomly selected Projects and questionnaires administered to Professionals involved in the execution of projects in PPMC. The result of this study show that there is still no consensus among project Management experts on what constitute a project failure, some consider failu...

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