Volume 22 Issue 1
Published: 2025-06-25
Contents
Article
Analysis and Design of Passive Filters to Reduce Line Current Harmonics for Controlled Rectifiers
Hussein I.Zynal, Bashar A.Fadeel,
Many researchers have sought to use different methods to reduce harmonicsin the input current wave of the rectifier, In this study the method of passive filterconnections are used, which is the...
DOI: 10.33899/rengj.2014.87022
Effect of the hydraulic detention time and the volumetric ratio of anaerobic to aerobic zone on the efficiency of the upgraded activated sludge units using (Bardenpho) system
Abeer.T. A. H. AL-Abdaly, Dr. K. K. Al-Ahmady,
In this research, five experimental plants have been established and operated usingsynthetic domestic wastewater in order to study the effect of some operationalparameters on the removal efficiency...
DOI: 10.33899/rengj.2014.87020
Finite Element Analysis of Draw Beads in Deep Drawing Processes
Dr. Muhsen Jaber, Dr. Azal Refa, Alaa Dahham,
The design optimization of deep drawing process in manufacturing is proposedto control the final shape of the work piece after elastic spring back. The manufacturingprocess design problem is...
DOI: 10.33899/rengj.2014.87017
The Effect of HARQ Procedure on the Performance of LTE System
Firas S. Al-Sharbaty, Safwan H. Fasola,
In this paper, the parameters of the LTE system in DL are investigated. Theseparameters include the effect of the Hybrid Adaptive Repeat and Request henceforth(HARQ) on the Signal to Noise Ratio...
DOI: 10.33899/rengj.2014.86989
Evaluation of Atmospheric and Aqueous Corrosion of Passenger Car Body in Mosul City through the Year 2009-2010
H. A. Al-kareem, G. M. Hannoush, R. J. Al - Ghadanfary,
Corrosion of five steel bodies of passenger cars of models 1985, 1990, 1995, 2000, &2005 that are used in Mosul city were studied under atmospheric and aqueous during2009-2010. Atmospheric...
DOI: 10.33899/rengj.2014.86996
Freehand Drawings versus CAD Drawings in the Conceptual Architectural Design Phase
Dr. Dhuha Abdulgani Abdulaziz Al-kazzaz,
In the last decade, the value of freehand drawing as a design tool in both education andpractice is open to debate as a result of the accessibility of digitised drawing tools such asCAD systems and...
DOI: 10.33899/rengj.2014.87025
Time series analysis of incoming water volumes to Mosul dam from Tigris river and use it for prediction
Younis Najib Saeed,
Data of monthly volumes of discharges reaching Mosul Dam reservoir for aperiod of (15) years, multiplied by (12) month and thus get a time series consisting of(180) value for monthly volumes of...
DOI: 10.33899/rengj.2014.87029
Optimum Cost Design of Reinforced Concrete Columns Using Genetic Algorithms
Rabi M. Najem, Dr. Salim T. Yousif,
The aim of this study is finding the optimum cost design of reinforced concretecolumns with all loading conditions (axially, uniaxially and biaxially loaded) using theGenetic Algorithms GAs. Many...
DOI: 10.33899/rengj.2014.86986
Preparation and Study of SnO2 MOM Structure by The Thermal Vacuum Evaporation Deposition
Omar Ghanim Ghazal, Dr. Luqman Sufer Ali,
Resistive switching random access memory is one of the novel nonvolatile memorytechnologies that, has a promising future for replacing the conventional FLASH memory. Inthis work a detailed study...
DOI: 10.33899/rengj.2014.86990
The Impact of Spatial Configuration Properties of The Courtyard on Special System Intelligibility of Islamic palaces
D. Hafsa Ramzi Alomri, Raeed S. Ahmed Alnumman,
The architectural cultural heritage of any nation is one of the most important basic componentsthat reflect the authenticity and depth civilization of that nations. Architecture as a mirror...
DOI: 10.33899/rengj.2014.87027
Stochastic Dynamic Programming Model for Single Reservoir
A. R.M. Tawfiiq, Dr. K. A. Al-MohseenA,
The present research aims to study the feasibility of using a Stochastic DynamicProgramming model "SDP" to calculate the optimal operating policy for a singlereservoir system.The study required to...
DOI: 10.33899/rengj.2014.87035
Radiation Effect on MHD Mixed Convection Flow Along an Isothermal Vertical Wedge Embedded in a Porous Medium with Heat Generation
Dr. Saddam Atteyia Mohammad,
This paper study the effect of radiation on a steady mixed convection flow of aviscous incompressible electrically conducting and radiating fluid over an isothermalvertical wedge embedded in a...
DOI: 10.33899/rengj.2014.86998
Buckling analysis of Composite Plate with Central Elliptical Cut out
Dr. Rafi K. Albazzaz, el Saleh Al-Jameel,
In this study, the multilayer composite plates consist from aluminum, brass,and steel with unsaturated polyester Resin (UPE) as a core material. The plates having acentral circular, elliptical...
DOI: 10.33899/rengj.2014.87012
WiMAX Mesh Topology with Modified Fair Centralized Scheduling and Routing Algorithms Based on Testing Feature of Down-Node Group
Dr. A. I. A. Jabbar, Z. K. Farej,
Multiple access interferences are the major limiting factors for the performance ofmultihop WiMAX based Mesh Network (WMN). The routing algorithms play animportant role in reducing such...
DOI: 10.33899/rengj.2014.86994
Natural Convection Heat Transfer from Two Perpendicular Heated Surfaces Embedded In Porous Cavity
Noor Moneer Basher, Dr. Amir Sultan Dawood,
The effect of modified Rayleigh number, positions and lengths of twoperpendicular heated surfaces on natural convection heat transfer was studiednumerically, where the two surfaces are embedded in...
DOI: 10.33899/rengj.2014.86999
Analysis of Rainfall intensity at Hammam Al – Alil in Mosul city
Dr. Basil Khether Dawood, Younis Najib Saeed,
In this research the rainfall intensity data in mm/hr for the period ( 1982-1990 )of nine years are collected for duration 3 to 13 hour from a station at Hamam - Al Alil( Small town 25 km from...
DOI: 10.33899/rengj.2014.87032
The Effect of Unbalance on the Cyclic Stresses of a Flexible Rotor Mounted on Oil-Film Bearings Using Finite Elements Technique (ANSYS)
O. A. Mohammed, A. M. Abdullah, Kh. E. Hammo,
Eccentricity problem is considered as one of the most important and commonrepeated problems in rotary shafts in all machines. This will lead to generation ofvibration and extra loads on bearings....
DOI: 10.33899/rengj.2014.87004
Stress analysis on main landing gear for small aircraft
Dr. Rui Pires, Prof .Dr. S. M.J.Ali, A.S. A. Al-banaa,
Main landing gear is important part in aircraft, its help the aircraft to takeoff,landing, and taxing in the ground .This part subject to high stress at landing due toimpact, there are two...
DOI: 10.33899/rengj.2014.87009
