Studying the Effect of Corrosive Liquids on Pipes Properties of Unplastizied Polyvinyl Chloride (UPVC) Which is Used in Sewage Purpose
Studying the Effect of Corrosive Liquids on Pipes Properties of Unplastizied Polyvinyl Chloride (UPVC) Which is Used in Sewage Purpose

Ahmad Star Ali

Volume 30, Issue 15 , September 2012, Page 329-340

https://doi.org/10.30684/etj.30.15.14

Abstract
  The current study concerns with studying some mechanical and physical properties of different samples taken from Unplasticized Polyvinyl Chloride (UPVC) pipes used in sewage purpose. ...  Read More ...
Establishing Reform System for Preparing Bills of Quantities
Establishing Reform System for Preparing Bills of Quantities

Sagid Mahdi Aamran

Volume 30, Issue 15 , September 2012, Page 341-362

https://doi.org/10.30684/etj.30.15.15

Abstract
  Bills of Quantities (B.Q) considered as one of the important project documents in addition to the contract form and the exchanged official letters between the two main contract parties ...  Read More ...
Experimental and Numerical Study of the Effects Of Creating Openings in Existing RC Beams and StrengtheningWith CFRP
Experimental and Numerical Study of the Effects Of Creating Openings in Existing RC Beams and StrengtheningWith CFRP

Hayder Qais Majeed

Volume 30, Issue 15 , September 2012, Page 2550-2561

https://doi.org/10.30684/etj.30.15.1

Abstract
  This study presents an experimental and nonlinear finite element analysis of creating square openings in existing RC beams and strengthening with CFRP laminate. Flexural strengthening ...  Read More ...
Method for Shielding the Magnetic Field Generated in a 132/33/11(6.6)KV Baghdad Indoor Distribution Substation
Method for Shielding the Magnetic Field Generated in a 132/33/11(6.6)KV Baghdad Indoor Distribution Substation

Suad I. Shahl

Volume 30, Issue 15 , September 2012, Page 2562-2576

https://doi.org/10.30684/etj.30.15.2

Abstract
  This research introduces the study carried out on one of Baghdad East 132/33/11(6.6) kV distribution substations to mitigate 50Hz magnetic field of indoor distribution substation under ...  Read More ...
Numerical Study of Two-Dimensional Transient Natural Convection in an Inclined Shallow Porous Cavity Exposed to a Constant Heat Flux
Numerical Study of Two-Dimensional Transient Natural Convection in an Inclined Shallow Porous Cavity Exposed to a Constant Heat Flux

Jasim M. A. Al-lateef; Ayad K. Hassan

Volume 30, Issue 15 , September 2012, Page 2577-2596

https://doi.org/10.30684/etj.30.15.3

Abstract
  Numerical method is used to solve the two-dimensional transient natural convection heat transfer problem in an inclined shallow porous cavity. A constant heat flux is applied for heating ...  Read More ...
Numerical Study of a Solar Chimney Power Plant
Numerical Study of a Solar Chimney Power Plant

Rafah A. Najim; Jalal M. Jalil

Volume 30, Issue 15 , September 2012, Page 2597-2608

https://doi.org/10.30684/etj.30.15.4

Abstract
  Axi-symmetric, steady, incompressible, turbulent flow field developed by natural convection inside power plant solar chimney is investigated numerically using finite volume method. ...  Read More ...
Adsorption of Direct Yellow 4 Dye on the Silica Prepared from Locally Available Sodium Silicate
Adsorption of Direct Yellow 4 Dye on the Silica Prepared from Locally Available Sodium Silicate

Sameer Hakeem Kareem; Manal Obeid Hamza

Volume 30, Issue 15 , September 2012, Page 2609-2625

https://doi.org/10.30684/etj.30.15.5

Abstract
  In this study the ability of removing direct yellow 4 dye (DY4) from aqueous solutions using silica as adsorbent was examined. The silica was prepared from locally available sodium ...  Read More ...
Prediction of the Best Electrode Geometry of Resistance Spot Welding RSW Theoretically by FEM and Experimentally
Prediction of the Best Electrode Geometry of Resistance Spot Welding RSW Theoretically by FEM and Experimentally

Khalil Ibrahim Abass

Volume 30, Issue 15 , September 2012, Page 2626-2640

https://doi.org/10.30684/etj.30.15.6

Abstract
  The present research studies five spot welding electrodes (RSW) of different geometries. The design of each electrode considerers contacts shape and area of the welding spot. The considered ...  Read More ...
Lateral Resistance of a Single Pile Embedded in Sand with Cavities
Lateral Resistance of a Single Pile Embedded in Sand with Cavities

Laith Jawad Aziz; Mahmoud R. Mahmoud; Kais T. Shlash

Volume 30, Issue 15 , September 2012, Page 2641-2663

https://doi.org/10.30684/etj.30.15.7

Abstract
  The research presents an experimental study of the interaction between cavity and adjacent pile in sandy soil. Experimental studies were performed to investigate the effects of the ...  Read More ...
Enhancement of Carbon Dioxide Absorption in Caustic Soda by Organic Solutes Addition
Enhancement of Carbon Dioxide Absorption in Caustic Soda by Organic Solutes Addition

Walaa Abdul Hadi Noori; Alaa Mshcheil Ali; May Ali Muslem

Volume 30, Issue 15 , September 2012, Page 2664-2677

https://doi.org/10.30684/etj.30.15.8

Abstract
  Absorption of carbon dioxide in a bubble column by 0.5M Sodium Hydroxide aqueous solution with and without various organic compound concentrations of glucose, fructose and saccharose”0.05 ...  Read More ...
GPR Data Simulation for Detecting Subsurface Bodies
GPR Data Simulation for Detecting Subsurface Bodies

Haidar A. N. Al-dami; Hussein H. Karim

Volume 30, Issue 15 , September 2012, Page 2678-2693

https://doi.org/10.30684/etj.30.15.9

Abstract
  Ground-penetrating radar (GPR) technique was used at University of Technology-Baghdad, as a non destructive, quick, low cost and powerful technique in detecting any change in the constituents ...  Read More ...
Theoretical Study of Vibration Frequencies of Fullerene Molecule (C60) by Using Density Function Theory (DFT)
Theoretical Study of Vibration Frequencies of Fullerene Molecule (C60) by Using Density Function Theory (DFT)

Hasan R. Obayes

Volume 30, Issue 15 , September 2012, Page 2694-2700

https://doi.org/10.30684/etj.30.15.10

Abstract
  Fullerene molecule C60 was studied optimize structure, harmonic vibration frequencies, infrared active vibration modes and some physical values in the gaseous state theoretically by ...  Read More ...
Strength and Ductility of Concrete Encased Composite Beams
Strength and Ductility of Concrete Encased Composite Beams

Ammar A. Ali; Saad N. Sadik; Wael S. Abdul-Sahib

Volume 30, Issue 15 , September 2012, Page 2701-2714

https://doi.org/10.30684/etj.30.15.11

Abstract
  Experimental research was conducted to investigate the structural behavior of concrete-encased composite beams. Specimens were tested under lateral loading. The test results indicate ...  Read More ...
Conversion of Glycerol into Value Added Products by Catalytic Processing
Conversion of Glycerol into Value Added Products by Catalytic Processing

Nidal Al Derzi

Volume 30, Issue 15 , September 2012, Page 2715-2724

https://doi.org/10.30684/etj.30.15.12

Abstract
  The conversion of glycerol into value added chemicals have emerged in recent years as a result of glycerol unique structure, properties, bioavailability, and renewability. Glycerol ...  Read More ...
State Estimation of Direct Field Orientation Control Induction Motor Drive by Using Kalman Filter
State Estimation of Direct Field Orientation Control Induction Motor Drive by Using Kalman Filter

Mohammed Khalil Hussain

Volume 30, Issue 15 , September 2012, Page 2725-2745

https://doi.org/10.30684/etj.30.15.13

Abstract
  Field oriented control (FOC) method of an induction motor (IM), allows high performance speed and torque response to be achieved from an induction motor. The present work selects the ...  Read More ...