Volume 17 Issue 6

Published: 2025-06-25

Contents


Article
Removal of PO4, NH3 and NO3 from hospital wastewater in Mosul City by SBR technique

Waad mohammed ali abbas, Fakhri Yassin Mahmood,

The sequencing batch reactor (SBR) method was used throughout this research, for the treatment of hospital waste water in mosul. This system has also the advantages of low initial and performance...

DOI: 10.33899/rengj.2009.43625

Pages: 30-44
Field study to Improve Quality of The Product in One of Weaving Companies in Mosu

M.M. A.Younis,

AbstractThe goal of this paper is to prepare a field study for one of the famous weaving companies in Mosul, so that arranging at the end a Total Quality Management System (T Q M) system .This...

DOI: 10.33899/rengj.2009.43646

Pages: 76-83
An Analytical Design Procedure For Bireciprocal Lattice Wave Digital Filters With Approximate Linear Phase

Jassim M. Abdul-Jabbar,

AbstractA simple analytic design procedure for bireciprocal lattice wave digital filters (bireciprocal LWDFs) is presented with approximate linear phase. The design is started by replacing the odd...

DOI: 10.33899/rengj.2009.43597

Pages: 42-52
Investigations on Two Methods of DEM Extraction

A.R. Santhakumar, Rasheed Saleem Abed,

AbstractDigital Elevation Models (DEM) comprise valuable source of data required for many engineering applications. Contour lines, slope - aspect maps are part of their many uses. Moreover, a DEM...

DOI: 10.33899/rengj.2009.43583

Pages: 1-10
The Use Of Used Engine Oil As Anadmixture In Concrete With High Temperature

I.H. AL-Zubady, Dr. A.H. Ahmed,

AbstractThe aim of this research is to study the effect of (Used Engine Oil) (UEO) on the properties of fresh and hardened concrete and its effect on the properties of the hardened concrete under...

DOI: 10.33899/rengj.2009.43617

Pages: 1-13
Estimating The Limits of Stability under Several Working Conditions at Experimental Turning

Ramiz Saeed Matty Samarjy,

AbstractPredicting the Self-Excited vibrations (Chatter) during the cutting process as a result of the interaction between the cutting tool and work - piece is important as a guide for the cutting...

DOI: 10.33899/rengj.2009.43614

Pages: 77-91
A High Efficiency Maximum Power Point Tracker for Photovoltaic Arrays

Khalid Khleel Mohamed, Amina Edrees Kanaan,

AbstractThe photovoltaic (PV) generator exhibits non- linear characteristics and its maximum power point varies with solar insolation and temperature, thus this work deals with the design and...

DOI: 10.33899/rengj.2009.43610

Pages: 67-76
Effect of cavity on Stress distribution and Settlement under Foundation

A. A. Khalil, S. A. Khattab,

AbstractIn this research the effect of cavities on the stability of foundation has been studied using non-linear finite elements analysis through the programs PLAXIS2D, and PLAXIS3D. The study...

DOI: 10.33899/rengj.2009.43621

Pages: 14-29
Estimate the Flooded Area and Land Use of Al- Tharthar Lake North West of Baghdad By Using Satellites Images from Aqua MODIS Satellite

Ghadah Y. AL-Ubaidy,

The current study investigate the use of satellite image data and their potential to detect and determine the flood areas of Lake Al- Tharthar ( Eastern region of Iraq)), by using of the satellite...

DOI: 10.33899/rengj.2009.43632

Pages: 45-53
Displacement Detection Application of HDNS A2051 Optical Sensor for Controlling a 4-DOF Cylindrical Manipulator

Rawand E. J. Talabani,

AbstractParallel port interface circuit is designed, fabricated and tested for programmable control of electrical motor actuators used in a cylindrical robotic manipulator. The robotic arm built in...

DOI: 10.33899/rengj.2009.43602

Pages: 53-66
Simulation Of Chlorine Concentrations In Mosul University's Distribution Network Using EPANET Program

Mohammed S. Shihab, Abdullah I. Al-Hyaly, Mayada H. Mohammad,

AbstractThe objective of this study was to demonstrate a real-time chlorine decay with enhancement of simulation program (EPANET 2.0) developed for drinking water supply networks. Periodically...

DOI: 10.33899/rengj.2009.43593

Pages: 28-41
Flexural Behavior Of R/C Beams With Externally Bonded Gfrp Sheets

Bayar J. Al-Sulayfani, Ashtar S. Al-Luhybi,

AbstractDuring the latest decades there has been a significant increase in using FRP (Fiber Reinforced Polymers) as a main material for external reinforcement in the construction...

DOI: 10.33899/rengj.2009.43586

Pages: 11-27
Investigate the Effects of F/M, MLSS, and Metal/MLSS Ratio on the Removal of Cd and Pb in the Activated Sludge Units,

Mohammed S. Shihab, Abdullah I. Al-Hyaly, Riyad M. Alobaidi,

AbstractThe objective of this research is to investigate the effect of each of the average organic load, the mixed liquor suspended solids(MLSS) in aeration tank and the ratio of concentration of...

DOI: 10.33899/rengj.2009.43635

Pages: 54-64
Coefficient Of Discharge For A Combined Hydraulic Measuring Device

Amal A. G. Alniami, Dr. G. A. M. Hayawi, H. A. M. Hayawi,

The aim of this study is to investigate the coefficient of discharge for a combined hydraulic measuring device. For this purpose nine combined models were constructed and manufactured of an...

DOI: 10.33899/rengj.2009.43616

Pages: 92-100
Expermintal And Theoretical Study Of Natural Convection Heat Transfer Between Two Concentric Cylinders Filled With Porous Medium.

Omar K. Ahmed Al Joboury, Khalil Farhan Yaseen, Obeed Majeed Ali,

AbstractPorous media have considerable importance in improvement of heat transfer and storage. This research includes an experimental and theoretical study of natural convection heat transfer...

DOI: 10.33899/rengj.2009.43639

Pages: 65-75