Influence of Electrochemical and Physical Characteristics of Reinforced Concrete on the Design of Cathodic Protection
Influence of Electrochemical and Physical Characteristics of Reinforced Concrete on the Design of Cathodic Protection
Volume 26, Issue 6 , June 2008, Page 273-285

https://doi.org/10.30684/etj.29.6.13

Abstract
  The design aspect of cathodic protection of steel reinforcement embedded inconcrete; still implies a great deal of uncertainties, assumptions and specifications.Important features, ...  Read More ...
اعادة تأهيل المنشآت وتحديثها
اعادة تأهيل المنشآت وتحديثها
Volume 26, Issue 6 , June 2008, Page 286-290

https://doi.org/10.30684/etj.29.6.14

Abstract
  The Rehabilitation of old building that is in keeping with the development of countryfor new uses when the old uses has become no more needed because of the technologicaldevelopment ...  Read More ...
قياس الدقة الهندسية لمكان العدد باعتماد الخواص الهندسية
قياس الدقة الهندسية لمكان العدد باعتماد الخواص الهندسية
Volume 26, Issue 6 , June 2008, Page 291-300

https://doi.org/10.30684/etj.29.6.15

Abstract
  Machines tools are used in many important modern industries especially in workshop and inmanufacturing plant, so it’s very important to study accuracy of this machines to determine ...  Read More ...
Effect of Loading Type on Generated Stresses around a Circular Tunnel Lining in Sand
Effect of Loading Type on Generated Stresses around a Circular Tunnel Lining in Sand

T. M. Toma

Volume 26, Issue 6 , June 2008, Page 602-608

https://doi.org/10.30684/etj.29.6.1

Abstract
  The study is carried out to investigate the behavior of tunnel lining in sandy soil byevaluating the magnitudes of the generated stresses that are generally required to ensure thesafety ...  Read More ...
An Appropriate Traffic Routing Scheme for Node-to-Node Communications in LEO Satellite Network Using Hybrid Mesh Topology
An Appropriate Traffic Routing Scheme for Node-to-Node Communications in LEO Satellite Network Using Hybrid Mesh Topology

Natiq Abdullah Ali Al-Shammary

Volume 26, Issue 6 , June 2008, Page 609-619

https://doi.org/10.30684/etj.29.6.2

Abstract
  Since Low Earth Orbit (LEO) satellites provide short round trip delays, they arebecoming increasingly important for real-time applications such as voice and video traffic.Several strategies ...  Read More ...
Fabrication and Study Se/Sb on Silicon Detector Heterojunction
Fabrication and Study Se/Sb on Silicon Detector Heterojunction

Khalid Z. Yahiya

Volume 26, Issue 6 , June 2008, Page 620-628

https://doi.org/10.30684/etj.29.6.3

Abstract
  The optical response characteristics of Se/Sb thin film heterojunction deposited ona p-type silicon substrate were studied. Results indicated that the obtained isotypeheterojunction ...  Read More ...
Multiple Linear Model to Study Mechanical Properties of Bronze Alloys Using MATLAB Language
Multiple Linear Model to Study Mechanical Properties of Bronze Alloys Using MATLAB Language

Amin Daway Thamir; Abbas Khanimas Hussein

Volume 26, Issue 6 , June 2008, Page 629-635

https://doi.org/10.30684/etj.29.6.4

Abstract
  This work include prepare five alloys of bronze (Cu-5wt.%Sn, Cu-10wt.%Sn, Cu-15wt.%Sn, Cu-20wt.%Sn, Cu-25wt.%Sn).These alloys were then subjected to tensiletests to determine the tensile ...  Read More ...
Variable Conditions Effect On Polarization Parameters Of Impressed Current Cathodic Protection Of Low Carbon Steel Pipes
Variable Conditions Effect On Polarization Parameters Of Impressed Current Cathodic Protection Of Low Carbon Steel Pipes

Sami Abulnoun Ajeel; Ghalib A. Ali

Volume 26, Issue 6 , June 2008, Page 636-647

https://doi.org/10.30684/etj.29.6.5

Abstract
  Cathodic protection is an effective electrochemical technique for preventingcorrosion of metallic structures. It has widespread applications on various structures,suffering serious ...  Read More ...
Tendency Modelling Of Desublimator For Optimization And Control
Tendency Modelling Of Desublimator For Optimization And Control

Ghanm. M. Alwan

Volume 26, Issue 6 , June 2008, Page 648-659

https://doi.org/10.30684/etj.29.6.6

Abstract
  The study was devoted to test the effect of the process variables on the desublimator(cold trap) efficiency under vacuum technique. Since several intermediate processparameters could ...  Read More ...
Optimum Solving SHEPWM Equations for Single Phase Inverter Using Resultant Method
Optimum Solving SHEPWM Equations for Single Phase Inverter Using Resultant Method

Jamal A. Mohammed

Volume 26, Issue 6 , June 2008, Page 660-670

https://doi.org/10.30684/etj.29.6.7

Abstract
  This paper represents new method to determine the optimum switching angles forSelective Harmonic Eliminated PWM (SHEPWM) inverter. Such switching angles aredefined by a set of nonlinear ...  Read More ...
Slot Ventilated Room with Heated Obstruction
Slot Ventilated Room with Heated Obstruction

Waheed S. Mohammed; Wissam A. Mohammed; AbdulJabbar Muttair Ahmed

Volume 26, Issue 6 , June 2008, Page 671-681

https://doi.org/10.30684/etj.29.6.8

Abstract
  A numerical study of two-dimensional turbulent buoyant rcirculating flow withinmechanically ventilated rooms is reported. The study involves the solution of elliptic partialdifferential ...  Read More ...
Corrosion Behavior of Bottom Plates of A potable Water Storage Tank
Corrosion Behavior of Bottom Plates of A potable Water Storage Tank

Mohammed Hliyil Hafiz

Volume 26, Issue 6 , June 2008, Page 682-688

https://doi.org/10.30684/etj.29.6.9

Abstract
  This paper describes the investigation of a corrosion behavior of bottom Plates of apotable water storage tank . The tank was internally inspected for the first time afterfourteen years ...  Read More ...
Improvement of Hot Galvanizing By Nickel Under Layer
Improvement of Hot Galvanizing By Nickel Under Layer

Mohammed Hliyil Hafiz

Volume 26, Issue 6 , June 2008, Page 689-698

https://doi.org/10.30684/etj.29.6.10

Abstract
  Zn–Ni alloy based coatings have high corrosion resistance, good adherence andunique physical as well as mechanical properties. In the present work, nickel wasdispersed in the ...  Read More ...
Oxidation Properties of Steel-T22 Alloy Coated by Simultaneous Ge-Doped 699 Chromizing-Siliconizing Process
Oxidation Properties of Steel-T22 Alloy Coated by Simultaneous Ge-Doped 699 Chromizing-Siliconizing Process

Ahmed A. Moosa

Volume 26, Issue 6 , June 2008, Page 699-709

https://doi.org/10.30684/etj.29.6.11

Abstract
  Diffusion coating was carried out at 1050 oC for 6 h under argon atmosphere bysimultaneous Ge-doped chromizing-siliconizing process on low alloy steel type-T22.Cyclic oxidation tests ...  Read More ...
Harmonics Analysis and Calculation in Power System Networks
Harmonics Analysis and Calculation in Power System Networks

Mohammed k.edan

Volume 26, Issue 6 , June 2008, Page 710-724

https://doi.org/10.30684/etj.29.6.12

Abstract
  Abstract- The harmonic distortion in the power system is increasing with wide use ofnonlinear loads such as wave rectifiers, static VAR compensator, and solid-state controlleddevices.Thus, ...  Read More ...