Volume 16 Issue 3
Published: 2008-07-01
Contents
Article
Numerical Study Of Natural Convective Heat Transfer In An Inclined Square Porous Layer
Muyassar E. Ismaeel, Amir S. Dawood
AbstractIn this paper, steady two-dimensional natural convective heat transfer in an inclined square porous cavity with two parallel walls kept at constant different temperatures, while the other...
DOI: 10.33899/rengj.2008.44651
Relation Between Pre Straining Before Welding , Joint Design , And Microstructure In Welding Of (7020) Aluminium Alloy
Shawnim R. Jalal
AbstaractIn the utilization of aluminum alloys for structural applications , one difficulty to be overcome is the reduction of mechanical properties of welded joints as compared to the parent...
DOI: 10.33899/rengj.2008.44653
Freehand Drawing Techniques Its Role in Architectural Design
Dhuha Abdul Gani Abdul Aziz
The research deals with freehand sketching and diagramming techniques, explaining its important role as a design tool in early stages of architectural design process, as a tool of design thinking,...
DOI: 10.33899/rengj.2008.44685
Online Tracking Control System For Robot Manipulator Using Adaptive Fuzzy Wavelet Network
Yhya R. Kuraz, Waleed Ameen Mahmoud Al-Jawher
AbstractIt is well known that Wavelet Networks (WN) are powerful tools for handling problems of large dimensions. The integration of Wavelet Network and Fuzzy Logic (FL) enable a tool condition...
DOI: 10.33899/rengj.2008.44606
Buckling Of Beams On Elastic Foundations
Mereen Hassan
AbstractThis study is an attempt to solve the general governing differential equation for buckling of beams resting on elastic foundation for different types of beams (pin ended, fixed ended and...
DOI: 10.33899/rengj.2008.44659
The Effect of Lightning Impulse and Switching (over voltages) on stress distribution and space charge accumulation of HVDC XLPE cables at load and no load
Saad Samuel Sheet
AbstractHigh voltage direct current (HVDC) power cables are usually exposed to high value of stresses from lightning impulses and switching surges (over voltages) at working under load and no load....
DOI: 10.33899/rengj.2008.44628
Scour Downstream an Ogee Spillway
Khalil I. Othman
AbstractAn experimental investigation on the problem of local scour downstream Ogee spillway is presented here by using two types of noncohesive bed material. The paper briefly explains the effect...
DOI: 10.33899/rengj.2008.44680
Using of GPS and Leveling Techniques for Determining the Orthometric Heights inside Mosul University
Nashwan Kamal-aldeen, Sabah Hussein Ali
AbstractIt is possible to determine heights of selective locations through terrestrial means by tying these locations to the sea level. Practical heights in geodesy, known as orthometric heights...
DOI: 10.33899/rengj.2008.44669
Hardware Implementation of Backpropagation Neural Networks on Field programmable Gate Array (FPGA)
Rafid Ahmed Khalil
In this paper, a design method of neural networks based on VHDL hardware description language, and FPGA implementation is proposed. A design of a general neuron for topologies using backpropagation...
DOI: 10.33899/rengj.2008.44649
Intelligent Systems based Selective Harmonic Elimination (SHE) for Single Phase Voltage SOURSE Inverter
Ahmed S. AL-soufy, Qais M. Alias, Basil M. Saied
AbstractPulse Width Modulation (PWM) inverters are of huge and great impact in many engineering disciplines. It plays a big role in the field of power electronics regarding voltage sources to vast...
DOI: 10.33899/rengj.2008.44650
Development and Evaluation of two Memory Architectures for the Hardware Version of CNN Face Recognizer
Shefa A. Dawwd, Basil Sh. Mahmood
AbstractThe design of the proposed Convolutional Neural Network (CNN) architecture for face image recognition takes the constraints on the bandwidth of the communications between memory and...
DOI: 10.33899/rengj.2008.44612
Improve Watermark Security Via Wavelet Transfrom And Cdma Techniques
Yhya. R. Kuraz, Modar A.H
With the growth of multimedia systems in distributed environments, the research of multimedia security as well as multimedia copyright protection becomes an important issue. As a potential and...
DOI: 10.33899/rengj.2008.44625
The Effect Of Different Influencing Parameters On The Design Of Concrete Mixes
B.M. Jassim, N. H. Al-jubory, Khalid A. A.Zakaria
AbstractThe aim of this research work is to judge whether the inclusion of different influencing parameters on some concrete characteristics have been justified and materialized in four methods of...
DOI: 10.33899/rengj.2008.44665
A Simulation Study of Tunneled Voice over Internet Protocol System
A. I. A. Jabbar, D. M. Ali
In this paper, the effects of real time traffic on non real time traffic are explained for conventional VoIP system. Also two types of Quality of Service models are applied; the End to End delay,...
DOI: 10.33899/rengj.2008.44619
A Mathematical Model for Azizya Evaporating Pond Operation Using SIMULINK Techniques
Kamel A. Al-Mohseen
The present research is to study the water balance for Aziziya Evaporating Pond (AEP) project by building a simulation model to evaluate its hydraulic performance under different scenarios of...
DOI: 10.33899/rengj.2008.44692
