Volume 19 Issue 3

Published: 2025-06-25

Contents


Article
Effect of Partial Replacement of Sand with Limestone Filler on Some Properties of Normal Concrete

Rana Burhan Abdurrahman Alshahwany,

AbstractIn recent years, there is a growing interest in the use of crushed sand obtained from limestone quarries in some countries where river sand is not widely available. Besides, the demand for...

DOI: 10.33899/rengj.2011.27014

Pages: 37-48
Modeling Effect of Saline Water With deficient Irrigation levels on Soil Salinity and Yield for Maize

Dr . A. A. A. AL-Talib, O. M. A. G. Mahmood,

AbstractComputer model is made in (MATLAB) language to study the effect of deficit irrigation with saline water on the salts accumulation in soil and the effect extent of the lack of water and the...

DOI: 10.33899/rengj.2011.26999

Pages: 34-45
The Effect Of Sulfur Waste And ABS On Asphalt Cement Properties

A. T. Hameed, A. R. I. Al-Hadidy,

ABSTRACTNineveh is one of the Iraqi provinces 400 km north Baghdad capital and having an industrial company for sulfur production. This company produces nearly 20-25% of the total production as...

DOI: 10.33899/rengj.2011.27005

Pages: 1-10
FPGA based Reconfigurable 2D FFT System

Shefa A. Dawwd, Ahmad F. Al-allaf,

AbstractThis paper develops a system level architecture for implementing a cost-efficient, FPGA-based reconfigurable two dimensional (2D) FFT system. The adopted approach considers both the...

DOI: 10.33899/rengj.2011.27026

Pages: 76-88
The Use Of Vacuum Pressure For Water Desalination

Layth Abdul-Aleem Alannaz,

AbstractThe research focuses on water desalination by distillation process under condition of vacuum pressure. The distillation unit was elevated over the ground surface then water was sucked from...

DOI: 10.33899/rengj.2011.26993

Pages: 13-21
Study of the Misalignment of the Rotary Kiln Relative to Carrying Roller Center in Cement Factories on the Stress in Bearings

Dr. Sabah. m. j. Ali, Mr. Ahmed M. Abdullah,

ABSTRACT:Misalignment problem is considered as one of the most important and common repeated problems in rotary kiln in meanly all of cement factories. This will lead to generation of vibration and...

DOI: 10.33899/rengj.2011.26997

Pages: 22-33
Studying of the Gypsiferous Soil Suction Using Filter Paper Technique

Asaad M. A. AL-Omary,

Gypsiferous soils have specific feature under its suction studying. These soils contain salt solution that affects on the suction components at high water content levels. This paper investigates...

DOI: 10.33899/rengj.2011.27012

Pages: 26-36
Dual Twins in Architecture

Farhan Awad Jasim Al-Tai, Dr. Hassan M.H. Kasim,

AbstractDual twins in architecture have been widely spread since the middle 20th century in various parts of the world; however, the unclear and comprehensive view about the nature and reasons of...

DOI: 10.33899/rengj.2011.27002

Pages: 46-68
Design and Fabrication of the Single Polepiece Magnetic Electron Lens of Truncated Cone Polepiece Shape

Muna A. Al-Khashab, Abdullah I. Mostafah, Issam I. Ismail,

AbstractThe magnetic electron objective lens is of a great importance which limit the resolving power of the electron microscope.The present work investigates the objective focal properties of a...

DOI: 10.33899/rengj.2011.27018

Pages: 49-54
Implementation of Multiplier less Architectures for Color Space Conversions on FPGA

Dr. Ahlam Fadhil Mahmood, Abdulkreem Mohammad Salih,

AbstractThe divergence of computers, internet, and wide variety of interactive video devices, in most of the multimedia applications, all using different color representations, is forcing the...

DOI: 10.33899/rengj.2011.27029

Pages: 89-103
Study of Heat Storage in Shallow Fluidized Beds

Burhan Mahmood Ahmad Al-Ali,

AbstractThis paper presents the theoretical analysis and experimental study of the performance of a shallow fluidized bed as a storage system for thermal energy.River sand is used as a bed with...

DOI: 10.33899/rengj.2011.27025

Pages: 69-75
Graphical Method of Concrete Mix Design

Dr. Khalid A. Zakaria, Mohammad Hatem Mohammad,

The current research work caters for the possibility of arriving at a method for designing concrete mixes (job mix) using locally available materials by means of three prescribed properties of the...

DOI: 10.33899/rengj.2011.26991

Pages: 1-12
Discharge Coefficient for V-Notch Broad Crested Side Weir Side Weir

Amal Abd Al-Ghnai Yahya,

AbstractIn this paper the hydraulic characteristics of V-notch broad crested side weir have been experimentally studied. Sixteen V-notch broad crest weirs were constructed with six apex angles...

DOI: 10.33899/rengj.2011.27031

Pages: 104-111
The effects of Reduced Temperature and Pressure on Natural Convection in Rectangular Cavity Filled with a Supercritical Water: a Benchmark Numerical Solution

Younis M. Najim,

AbstractIn this paper, natural convection heat transfer of supercritical water in rectangular enclosure has been investigated in various values of reduced temperature (0.955 1.205) and pressure...

DOI: 10.33899/rengj.2011.27022

Pages: 55-68
A Laboratory Tool Used to Evaluate the Reflective Cracking in Overlay Asphalt Pavement

Dr. Talal H. Almudadi, Ass. Prof. Dr. Ali H. Alneami,

AbstractThe causes of reflective cracking can be either environmental and/or load associated. The simultaneous movements of an overlay caused by wheel loads (vertical movements), temperature...

DOI: 10.33899/rengj.2011.27010

Pages: 11-25