Engineering

Research Papers/Topics Engineering

Design and Development of a Data Ware-House for School Information System Case Study of Heritage International School

ABSTRACT  Data warehousing and business intelligence are key enablers in the drive to harness management information and improve decision-making. They underpin the recent wave of interest in data mining and customer relationship management, and create opportunities for performance improvements based on quantitative analysis at every le-vel in an organization. Data warehousing is a relatively new field in information technology, and current research centers primarily on data warehousing in bu...

Bituminous Stabilization of Clay Soils for Road Construction

ABSTRACT The rate at which roads fail in Nigeria should worry any responsible citizen. Considering the enormous resource expended to construct a kilometer of road, it is heartbreaking when the same road fail barely six (6) months after construction. For in the life of our dear country, the all-important economic theory of opportunity cost is applicable just as it is elsewhere in the world. Stabilization is a viable alternative to achieving a durable road construction regime. Soil stabilizati...

Effect of Service Differentiation on Quality of Service (Qos) in Ieee 802.11e Enhanced Distributed Channel Access (Edca)

ABSTRACT  With recent advances in wireless technology, users of wireless network now expect quality of service and performance comparable to what is available in fixed networks. The IEEE 802.11e Medium Access Control (MAC) is an emerging supplement to the IEEE 802.11 Wireless Local Area Network (WLAN) standard that supports Quality-of-Service (QoS) requirements of both data and real-time applications. The IEEE802.11e MAC is based on both centrally-controlled and contention-based channel acce...

Mixed Method in Elasticity in the Analysis of Layered Beams

TABLE OF CONTENTS ABSTRACT . . ACKNOWLEDGEMENT LIST OF TABLES LIST OF FIGURES LIST OF SYMBOLS CHAPTER ONE: INTRODUCTION . * . . . .  1.1 Approach To Elasticity Problems-General ..  1.2 Reduction Of A Two-Dimensional Problem To A One-Dimensional One . . . .  1.3 Vlasov's Mixed Method , . .  1.4 Aim And Scope . @ . .  1.5 Review Of Literature .a . .  CHAPTER TWO: FORMULATIONS OF THE GOVERNING EQUATIONS .. 0. . .  2.1 Plane Stress Formulation . . a .  2.2 Plane Strain Case . . . . . .  ...

Development of Web-Based Application for Crime Report Handling in Police Force A Case of Jubek State, South Sudan National Police Services

ABSTRACT  Paper based system for handling crime reporting becomes one of the challenging methods in police services globally ever since paper was invented. The South Sudan National Police Services (SSNPS) uses this system for handling crime reporting. This system presents a number of challenges such as a delay in disseminating crime reports by victims or witnesses, misplacement or loss of crime recorded files from the Police shelves and inconsistency of suspect documentation due to wrong man...

Performance Evaluation Of Filtering For Wavelength Division Multiplexing Based Optical Fiber Networks

Abstract  The transmission distance of any WDM fiber-optic communication system is eventually limited by fiber losses and it was introduced from fiber attenuation, connectors, splices, dispersion, interference and bending causes the power reduction in optical fiber communication. This loss limitation was mostly overcome using tunable optical filters, devices in which the desired channel is to be selected at the receiver with negligible crosstalk and small insertion loss. In this thesis diffe...

Design Control and Monitoring System Of Water Distribution Networks

ABSTRACT  Nowadays, water distribution network automation is becoming more and more popular day by day due to its numerous advantages, an internet-based water distribution network system focuses on monitoring and controlling water distribution network instance. Water distribution network face wastage of water due to improper water supply management, non-monitoring in real time, this caused scarcity of water, scarcity of water consider mainly problem in cities. water distribution network auto...

2D Radar Antenna Orientation and Control

ABSTRACT The RADAR system is the first step and much more important and it has much more effect than the other step in the RADAR system works. The RADAR is used in different applications and systems, almost of these applications need high precision, and it's depending on the accuracy of RADAR ANTENNA orientation. Much research has been done and different systems designed to obtain a result within a permissible range. Design RADAR ANTENNA orientation and control system using FPGA and stepper m...

Application of UBC and IBC Seismic Codes For R.C. Buildings Design in Sudan

ABSTRACT  This research dealt with the investigation of possibility of the use of the two representative seismic codes, UBC 1997, and IBC 2006, for seismic force analysis of R.C. buildings in Sudan. The theory of the seismic forces analysis was studied and presented. A R.C. building of eight storeys constructed in two sites, a very low seismic active site and a moderate seismic active site in Sudan which was analyzed by using ETABSv9.7.4 computer program. Utilizing data of the two sites, app...

Hydrological Update of the Watershed Resources Management Model and Gis-Based Application to the Humid Tropical Environment of South-East Nigeria

Abstract Hydrological models are useful tools for prediction and understanding of hydrological phenomena which underpin watershed resources utilization. A watershed model simulates hydrological processes in a more holistic manner across the entire watershed area. Most watershed models are fairly complex; interactions among watershed hydrological components are essentially nonlinear and take place on a wide range of temporal and spatial scales. The Watershed Resources Management (WRM) model w...

Shear Behaviour of Reinforced Concrete Beams Using Granite As Coarse Aggregate Without Shear Links

This work considers the shear behavior of reinforced concrete beams using granite as coarseaggregate without shear links. Four reinforced concrete beams were cast and tested to understandthe shear behavior with varying tension reinforcement ratios. The beams were cast in two pairs;the first pair had a depth of 184mm, a width of 110mm, and a length of 1500mm. The second pairhad a depth of 150mm, a width of 90mm, and a length of 1000mm. The first and second pair ofbeams had span-to-depth ratios...

Determination of Optimum Design Parameters of Non-linear Damped Outrigger System for High-rise Buildings

In addition to the inherent advantages of an outrigger system over conventional framed structural system, damped-outrigger systems (DOS) enhance it further with its agility to resist lateral loads in high-rise buildings. Dynamic response of slender and flexible buildings with DOS induces vibration control in which twisting of core structure is restricted by shear deformation of the damper present at the end of outrigger connected by perimeter columns. In this paper, a 300 m tall core-tube typ...

Kinetics of Lead Adsorption by Activated Rice Husk Ash

ABSTRACT  The need to clean-up heavy metals that contaminate water cannot be over emphasized. This paper examined the kinetics of lead adsorption using activated rice husk ash. The influences of contact time, adsorbent dose, pH and temperature on adsorption were investigated. From the results obtained, by analyzing the effect of contact time, it was discovered that maximum adsorption of about 90 % removal efficiency took 240 minutes using 0.2g of adsorbent. While in testing for the effect of...

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Development and Performance Evaluation of a Double-Rotor Self-Action Cassava Grater

ABSTRACT The modification of a single-rotor cassava grater was undertaken. The singlerotor grater was modified into a double-rotor self-action grater and its performances evaluated by determining its throughput capacity and efficiency. The throughput capacity was determined by grating known quantities of cassava roots in three respective runs and the time taken to grate them measured from a stop watch. The efficiency of the machine was calculated from the quantity of roots grated and quantit...


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