Radioactive Doses Contamination in Al Tuwaitha Nuclear Site, Using GIS Techniques
Radioactive Doses Contamination in Al Tuwaitha Nuclear Site, Using GIS Techniques

Abdol Razak T. Zaboon; Abdul Hameed M. Jawad Al Obaidy; Hisham M. J. Al Sharaa

Volume 31, Issue 9 , June 2013, Page 1612-1617

https://doi.org/10.30684/etj.31.9A1

Abstract
  In this paper, the authors aim to introduce contamination in Al Tuwaitha nuclear site, Iraq using GIS techniques and visual interpretation. This contamination problem draws attention ...  Read More ...
Effect of Sodium Silicate Addition on Flame Retardancy of the Oil Paint Produced byModern Paint Company
Effect of Sodium Silicate Addition on Flame Retardancy of the Oil Paint Produced byModern Paint Company

Habaib A. Majeed

Volume 31, Issue 9 , June 2013, Page 1618-1625

https://doi.org/10.30684/etj.2013.82178

Abstract
  In order to produce a coating with suitable properties, many additives are included in a coating formulation to achieve specific property modifications .In this work , two kinds of ...  Read More ...
Finite Element Analysis of the Boom of Crane Loaded Statically
Finite Element Analysis of the Boom of Crane Loaded Statically

Bakr Noori Khudhur

Volume 31, Issue 9 , June 2013, Page 1626-1639

https://doi.org/10.30684/etj.2013.82179

Abstract
  In this paper, the finite element analysis was carried out on boom of telescopic crane using ANSYS package software and the manual calculation as well as the analysis by the strength ...  Read More ...
Step over Estimation for Tool Path Generation Depending on Inclination Angle
Step over Estimation for Tool Path Generation Depending on Inclination Angle

Ahmed A.A.Duroobi

Volume 31, Issue 9 , June 2013, Page 1640-1657

https://doi.org/10.30684/etj.2013.82180

Abstract
  This research presents the theoretical model, simulation and experimental verification of the maximum stepover estimation for different cases on the machine surface profile using the ...  Read More ...
Study of the Cure Reaction of Epoxy Resin Diglycidyl Ether of Bisphenol-A (DGEBA) with Meta- Phenylene Diamine
Study of the Cure Reaction of Epoxy Resin Diglycidyl Ether of Bisphenol-A (DGEBA) with Meta- Phenylene Diamine

Najat J. Salah; Bashar J. Kadhim

Volume 31, Issue 9 , June 2013, Page 1658-1673

https://doi.org/10.30684/etj.2013.82181

Abstract
  The cure process of epoxy resin diglycidyl ether of bisphenol-A (DGEBA) with aromatic amine (m-PDA) as curing agent was studied by means of differential scanning calorimetry (DSC) Perkin ...  Read More ...
Performance Improvement of Multi-UserMC-CDMA system Using Discrete Hartly Transform Mapper
Performance Improvement of Multi-UserMC-CDMA system Using Discrete Hartly Transform Mapper

Ali T. Shaheen

Volume 31, Issue 9 , June 2013, Page 1674-1691

https://doi.org/10.30684/etj.2013.82182

Abstract
  Future wireless communication systems must be able to accommodate a large number of users and simultaneously to provide the high data rates at the required quality of service. In this ...  Read More ...
A Simple Model of Spark Gap Discharge Phase
A Simple Model of Spark Gap Discharge Phase

Bassam Hanna Habib

Volume 31, Issue 9 , June 2013, Page 1692-1704

https://doi.org/10.30684/etj.2013.82183

Abstract
  A simple computational model is established to simulate the spark gap discharge phase. The proposed computational approach is based on Rompe- Weizel model for the resistive phase of ...  Read More ...
Study the Optimization Parameters for Spring Back Phenomena in U-Die Bending
Study the Optimization Parameters for Spring Back Phenomena in U-Die Bending

Karem M.Younis; Aseel Hamad; Khalida K.Mansor

Volume 31, Issue 9 , June 2013, Page 1705-1718

https://doi.org/10.30684/etj.2013.82184

Abstract
  The main objective of the research is to find the optimum parameters that reduce the springback by using the commercially [SPSS] program to analysis data and find the best parameters ...  Read More ...
Seepage Analysis Through and Under Hydraulic Structures Applying Finite Volume Method
Seepage Analysis Through and Under Hydraulic Structures Applying Finite Volume Method

Karim K. El-Jumaily; Hisham M. Jaber AL-Bakry

Volume 31, Issue 9 , June 2013, Page 1719-1731

https://doi.org/10.30684/etj.2013.82185

Abstract
  In this paper, the seepage analysis through and underneath the hydraulic structures is studied at the same time without dividing the structure into parts, and then analyze each part ...  Read More ...
Nonlinear Finite Element Analysis of Reinforced Concrete Arched Beams with Normal and High Compressive Strength
Nonlinear Finite Element Analysis of Reinforced Concrete Arched Beams with Normal and High Compressive Strength

Haider Kadhim Ammash

Volume 31, Issue 9 , June 2013, Page 1732-1752

https://doi.org/10.30684/etj.2013.82186

Abstract
  This study describes a three-dimensional nonlinear finite element model suitable for the analysis of high strength reinforced concrete arched beams under static load. The twenty node ...  Read More ...
Accuracy Assesment of Non-Metric Digital Camera Calibration in Close Range Photogrammetry
Accuracy Assesment of Non-Metric Digital Camera Calibration in Close Range Photogrammetry

Abbas Z. Khalfa; Imzahim Abdul Kareem Alwan; Aysar Jameel

Volume 31, Issue 9 , June 2013, Page 1753-1764

https://doi.org/10.30684/etj.2013.82187

Abstract
  In this paper two cameras have been used to determined the interior orientation parameters (IOP) for each camera. To carry out the calibration, Photomodeler Scanner software was used. ...  Read More ...
The Study of Stress State in Indentation of a Flat Punch with Rounded Edge in Axisymmetric Backward Extrusion
The Study of Stress State in Indentation of a Flat Punch with Rounded Edge in Axisymmetric Backward Extrusion

Ban Bakir Alamer

Volume 31, Issue 9 , June 2013, Page 1765-1778

https://doi.org/10.30684/etj.2013.82188

Abstract
  Analytical solution have to obtained of contact problem for indentation of flat punch with rounded edges in axi symmetric extrusion to both surface pressure and interior stress fields ...  Read More ...
Log-Likelihood Ratio to Improve Hard DecisionViterbi Algorithm
Log-Likelihood Ratio to Improve Hard DecisionViterbi Algorithm

Mahmood Farhan Mosleh; Fa’aza Abbas Abid

Volume 31, Issue 9 , June 2013, Page 1779-1790

https://doi.org/10.30684/etj.2013.82189

Abstract
  Hard decision of Viterbi decoder suffer from the need of high Signal to Noise Ratio (SNR) to achieve reasonable Bit Error Rate (BER). For the purpose of improving the efficiency of ...  Read More ...
Strength and Consolidation Characteristics of Compacted Clayey Soil Having a Special Case of Standard Compaction Curve
Strength and Consolidation Characteristics of Compacted Clayey Soil Having a Special Case of Standard Compaction Curve

Ibrahaim M. Al-Kiki; Abdulrahman H. Al-Zubaydi; Moafaq A. Al-Atalla

Volume 31, Issue 9 , June 2013, Page 1791-1801

https://doi.org/10.30684/etj.2013.82190

Abstract
  This paper deals with the results of an experimental study carried out on compacted clayey soil, to investigate the strength and consolidation characteristics of this soil. This soil ...  Read More ...
Twist parameter Influence on Heat Transfer Coefficient Augmentation for a square Twisted Tube
Twist parameter Influence on Heat Transfer Coefficient Augmentation for a square Twisted Tube

Abdulkareem Abbas KhudhairAl-Musawi

Volume 31, Issue 9 , June 2013, Page 1802-1816

https://doi.org/10.30684/etj.2013.82191

Abstract
  Heat transfer augmentation due to twisting parameter was investigated in atwisted tube of square cross sectional area. Twisting parameter is defined as the ratio of the length of the ...  Read More ...