Utilization of Remote Sensing Data and GIS Applications for Determination of the Land Cover Change in Karbala Governorate
Utilization of Remote Sensing Data and GIS Applications for Determination of the Land Cover Change in Karbala Governorate

Abdul Razzak T. Ziboon; Imzahim Abdulkareem Alwan; Alaa Ghadhban Khalaf

Volume 31, Issue 15 , September 2013, Page 2773-2787

https://doi.org/10.30684/etj.31.15A.1

Abstract
  This study was conducted to determine the land cover changes between year 1976 and year 2011 in Karbala Governorate by using an integrated approach of remote sensing data and GIS applications ...  Read More ...
Investigation of the Total Energy Losses for Si and Sic Shottky Diodes
Investigation of the Total Energy Losses for Si and Sic Shottky Diodes

Brzo Aziz Qadir

Volume 31, Issue 15 , September 2013, Page 2788-2804

https://doi.org/10.30684/etj.31.15A.2

Abstract
  This research serves as basis to investigate the total energy losses in DC-DC converter circuit. The circuit used for the investigation was the inductive load chopper circuit .Two diodes ...  Read More ...
Enhancement of a Power System Transient Stability Using Static Synchronous Compensator STATCOM
Enhancement of a Power System Transient Stability Using Static Synchronous Compensator STATCOM

Naseer M. Yasin; Mustafa M. Al-Eedany

Volume 31, Issue 15 , September 2013, Page 2805-2815

https://doi.org/10.30684/etj.31.15A.3

Abstract
  In modern power system utilities, increased power demand often lead to the situation where the system no longer remains in secure operating region. Flexible AC Transmission Systems ...  Read More ...
The Hydraulic and Environmental operation for the Main Outfall Drain, Ad Dalmaj Lake and Al Hammar Marsh System
The Hydraulic and Environmental operation for the Main Outfall Drain, Ad Dalmaj Lake and Al Hammar Marsh System

Muhannad J. Al Kazwini; Mahmoud S. Al Khafaji; Khulood J. Hussain

Volume 31, Issue 15 , September 2013, Page 2816-2838

https://doi.org/10.30684/etj.31.15A.4

Abstract
  Iraqi Marshlands which are located within the southern part of Iraq were dried after 1991. The dried marshes were re-flooded after year 2003. Because of the shortage of water that feeds ...  Read More ...
Effect of Stress Level of Surrounding Soil on Bored Pile Capacity in Sand
Effect of Stress Level of Surrounding Soil on Bored Pile Capacity in Sand

Kais T. Shlash; Mohammed A. Mahmoud; Saif I. Akoobi

Volume 31, Issue 15 , September 2013, Page 2839-2859

https://doi.org/10.30684/etj.31.15A.5

Abstract
  This study deals with assessing the effect of stress level on bearing capacity factor , distribution of shear stresses at soil-pile interface along pile shaft, and presence of critical ...  Read More ...
Hydrodynamics in a Trickle Bed Reactor
Hydrodynamics in a Trickle Bed Reactor

Muhammad Fadel Abd; Farah Talib Jasim; Luma Shihab Ahmed

Volume 31, Issue 15 , September 2013, Page 2860-2875

https://doi.org/10.30684/etj.31.15A.6

Abstract
  Experimental investigations have been carried out to study the performance of trickle bed reactor. The effect of key parameters that play predominate role in the performance of trickle ...  Read More ...
Studying the Parameters of EDM Based Micro- Cutting Holes Using ANOVA
Studying the Parameters of EDM Based Micro- Cutting Holes Using ANOVA

Shukry H. Aghdeab; Laith A. Mohammed

Volume 31, Issue 15 , September 2013, Page 2876-2884

https://doi.org/10.30684/etj.31.15A.7

Abstract
  Micro -EDM is one of an important method in machining holes which is used in wide applications to fabricate medical devices and small dies. This work study the process of producing ...  Read More ...
Experimental and Numerical Study of CO2 Corrosion in Carbon Steel
Experimental and Numerical Study of CO2 Corrosion in Carbon Steel

Dalia M. Jomaa; Ali H. Jawad; Rana A.Majed

Volume 31, Issue 15 , September 2013, Page 2885-2904

https://doi.org/10.30684/etj.31.15A.8

Abstract
  This research involves study corrosion of low carbon steel under static and flow conditions at 200L/h in the absence and presence of CO2 at two rates 9 and 30 ml/min at four temperatures ...  Read More ...
Effect of Filler Type on some Physical and Mechanical Proparties of Carbon Fibers / Polyester Composites
Effect of Filler Type on some Physical and Mechanical Proparties of Carbon Fibers / Polyester Composites

Osama Sultan Muhammed; Abbas Khammas Hussein; Ruaa Haitham Abdel-Rahim

Volume 31, Issue 15 , September 2013, Page 2905-2924

https://doi.org/10.30684/etj.31.15A.9

Abstract
  In the present study, traditional and hybrid composites were prepared by Hand lay-up molding and investigated. The composites constituents were unsaturated polyester resin as the matrix, ...  Read More ...
A Study of Mechanical Properties of Polymethl Methacrylate Polymer Reinforced by Silica Particles (Sio2)
A Study of Mechanical Properties of Polymethl Methacrylate Polymer Reinforced by Silica Particles (Sio2)

Jawad Kadhim Oleiwi; Farhad Mohammad O.Kushnaw; Israa Faisal qhaze

Volume 31, Issue 15 , September 2013, Page 2925-2940

https://doi.org/10.30684/etj.31.15A.10

Abstract
  In this research the mechanical properties of PMMA polymer reinforced by ceramic particles (silica) has been investigated. Many tests are performed on these composites. The effects ...  Read More ...
Hydraulic Bulge Test of Al and Copper Tubes
Hydraulic Bulge Test of Al and Copper Tubes

Azal Rifaat Ismail; Sami Abbas Hammood

Volume 31, Issue 15 , September 2013, Page 2941-2959

https://doi.org/10.30684/etj.31.15A.11

Abstract
  This work aims to find forming limit diagram and mechanical properties experimentally to measure formability by hydraulic bulge test and tensile test, and determination the values of ...  Read More ...
Reduction of Chemical Effects of Swelling and Shrinkage Phenomenaon of a Boiler in Steam Power Plants Using Silicon Antifoam
Reduction of Chemical Effects of Swelling and Shrinkage Phenomenaon of a Boiler in Steam Power Plants Using Silicon Antifoam

Raheek I. Ibrahim

Volume 31, Issue 15 , September 2013, Page 2960-2981

https://doi.org/10.30684/etj.31.15A.12

Abstract
  The swelling /shrinkage are complex phenomenon in the steam power plants. One of the important reasons is the chemical effects, which causes a bubble formation and hence serious foaming ...  Read More ...
Behavior of Steel Plate Girders with Web Openings Loaded in Shear
Behavior of Steel Plate Girders with Web Openings Loaded in Shear

May J. Hamoodi; Marwa S. Abdul Gabar

Volume 31, Issue 15 , September 2013, Page 2982-2996

https://doi.org/10.30684/etj.31.15A.13

Abstract
  The structural behavior of three steel plate girders under shear is studied. The first one is the reference plate girder (G) which is prepared without web openings, and the second one ...  Read More ...
Transparency as a Type of Articulation in Contemporary Architectural Production
Transparency as a Type of Articulation in Contemporary Architectural Production

Suha Hassan AL Dahwi; ZamanWaddaa Kadhem

Volume 31, Issue 15 , September 2013, Page 264-283

https://doi.org/10.30684/etj.31.15A.14

Abstract
  Many previous studies dealt with the concept of transparency in architecture has emerged importance of the formal and moralaspects in achieving the concept of transparency, also focused ...  Read More ...
Gear Design with the Aid of Computer and Drawing the Involutes Curve by Using ACAD
Gear Design with the Aid of Computer and Drawing the Involutes Curve by Using ACAD

Abdulrahman A. Gatt

Volume 31, Issue 15 , September 2013, Page 284-295

https://doi.org/10.30684/etj.31.15A.15

Abstract
  This research involve with creating a program in basic language after modulating the equations which describes the coordinates of any point lays on the involute curvature. With the ...  Read More ...