Mechanical Characteristics of Prepared Functionally Graded Cylinder by Centrifugal Casting
Mechanical Characteristics of Prepared Functionally Graded Cylinder by Centrifugal Casting

Marwan A. Madhloom; Alaa A. Atiyah; Ali H. Ataiw

Volume 32, Issue 6 , July 2014, Page 1344-1368

https://doi.org/10.30684/etj.32.6A.1

Abstract
  It is hoped in this paper to use the concept of centrifuging to prepare thick hollow functionally graded cylinder of (Al-TiO2) alloy. In order to achieve this objective, a vertical ...  Read More ...
Optimum Charge and Performance for R432A under Window Type Air-Conditioner Systems
Optimum Charge and Performance for R432A under Window Type Air-Conditioner Systems

Haider ali hussen

Volume 32, Issue 6 , July 2014, Page 1369-1379

https://doi.org/10.30684/etj.32.6A.2

Abstract
  The study presents optimized R432A charge by the index of power consumption of compressor and COP without changing the compressor. Test results showed that the best charge is 750 g ...  Read More ...
Effect of (50%Isopropanol – 30%Methanol – 17%Xylene) Mixture on Corrosion Behavior of Pure Al and its Alloys in Simulated Fuel
Effect of (50%Isopropanol – 30%Methanol – 17%Xylene) Mixture on Corrosion Behavior of Pure Al and its Alloys in Simulated Fuel

Rana A. Majed; Majid H. Abdulmajeed; Slafa I. Ibrahem; Saja A. Abdul Maged; Zahraa S. Al-Saffar

Volume 32, Issue 6 , July 2014, Page 1380-1389

https://doi.org/10.30684/etj.32.6A.3

Abstract
  This work involves studying the effect of adding (50%Isopropanol – 30%Methanol – 17%Xylene) mixture on corrosion behavior of pure Al and its alloys in simulated fuel at ...  Read More ...
Assessment of Trace Metal Distribution and Contamination In Surface Soils of Al-Waziriya, Baghdad
Assessment of Trace Metal Distribution and Contamination In Surface Soils of Al-Waziriya, Baghdad

Muna Aziz Rahi; Mahmood .R.M. Al-Qaysi; Abdul Hameed M.J. al Obaidy

Volume 32, Issue 6 , July 2014, Page 1390-1398

https://doi.org/10.30684/etj.32.6A.4

Abstract
  A total of 100 samples from the top soil were collected from four different zones (tow industrial locations, tow residential locations) located in Al-Waziriya, Baghdad. Soil samples ...  Read More ...
Speaker Sound Coding Using Vector Quantization Technique (Vq)
Speaker Sound Coding Using Vector Quantization Technique (Vq)

Oday Kamil Hamid

Volume 32, Issue 6 , July 2014, Page 1399-1410

https://doi.org/10.30684/etj.32.6A.5

Abstract
  The key objective of this research is to compress the speech sound or in another meaning coding speaker sound with a small matrix called code book represent the speaker sound information ...  Read More ...
Nonlinear Finite Element Analysis for Punching Shear Resistance of Steel Fibers High Strength Reinforced Concrete Slabs
Nonlinear Finite Element Analysis for Punching Shear Resistance of Steel Fibers High Strength Reinforced Concrete Slabs

Eyad K. Sayhood; Samer P. Yaakoub; Hussien Fadhil Hussien

Volume 32, Issue 6 , July 2014, Page 1411-1432

https://doi.org/10.30684/etj.32.6A.6

Abstract
  This study is devoted to investigate the punching shear resistance of high strength reinforced concrete slabs with steel fibers by using the well-known (P3DNFEA), a non-linear finite ...  Read More ...
Study the Effect of Electrode Wear Weight (EWW) in Electrical Discharge Machining (EDM)
Study the Effect of Electrode Wear Weight (EWW) in Electrical Discharge Machining (EDM)

Shukry H. Aghdeab; Wathik I. Mahdi AL-Tameemi; Afiaa F.Jawad

Volume 32, Issue 6 , July 2014, Page 1433-1441

https://doi.org/10.30684/etj.32.6A.7

Abstract
  Electrical Discharge Machining (EDM) is one of the earliest non-conventional manufacturing processes based on thermo-electric energy which removing material from a part by electrical ...  Read More ...
Study and Analysis of Failure Mechanism of Bolt Adapter in Prosthetic SACH Foot
Study and Analysis of Failure Mechanism of Bolt Adapter in Prosthetic SACH Foot

Muhsin J. Jweeg; Kadhim K. Resan; Ali Abdulameer Najm

Volume 32, Issue 6 , July 2014, Page 1442-1457

https://doi.org/10.30684/etj.32.6A.8

Abstract
  This paper presents is the study and analysis of failure mechanism of non-articular prosthetic foot (SACH) in the region (Bolt Adapter). The tests of mechanical properties and fatigue ...  Read More ...
Detection of Buried Pipes and Soil Classification Using Remote Sensing
Detection of Buried Pipes and Soil Classification Using Remote Sensing

Abdul-Razzak T. Ziboon; Mohamed M. Mahmood; Haifaa N. Hussein

Volume 32, Issue 6 , July 2014, Page 1458-1471

https://doi.org/10.30684/etj.32.6A.9

Abstract
  The research aims to employ microwave remote sensing techniques to classify soil with the traditional classification method and to detect buried pipes in soil and compare the results. ...  Read More ...
Wear Resistance of a New Glass Ceramic Coating
Wear Resistance of a New Glass Ceramic Coating

Jabbar H. mohmmed; Ibtihal A. Mahmood; Ali H. Ataiwi

Volume 32, Issue 6 , July 2014, Page 1472-1484

https://doi.org/10.30684/etj.32.6A.10

Abstract
  A new wear resistance glass-ceramic coating system iron (low alloyed low carbon steel) based substrate was developed. The effects of heat treatment conditions and mill additions on ...  Read More ...
Determination of the Maxwell-Boltzmann Distribution Probability for Different Gas Mixtures
Determination of the Maxwell-Boltzmann Distribution Probability for Different Gas Mixtures

Ibrahim Kaittan Fayyadh; Harith Abd-Al razak Hassan; Muhammad Asmail Eleiwi; Farhan Lafta Rashid

Volume 32, Issue 6 , July 2014, Page 1485-1496

https://doi.org/10.30684/etj.32.6A.11

Abstract
  From the Maxwell speed distribution can be calculated several characteristic molecular speeds, namely, the most probable speed νp , the mean speed , and the root-mean-square speed ...  Read More ...
Proposed Correlation for Gas solubility at and below Bubble Point Pressure
Proposed Correlation for Gas solubility at and below Bubble Point Pressure

Mohammed M. Daway

Volume 32, Issue 6 , July 2014, Page 1497-1505

https://doi.org/10.30684/etj.32.6A.12

Abstract
  A study has been done to get an accurate correlation for solution gas-oil ratio (gas solubility). Two hundred and nine measured values from an Iraqi oil field have been used in this ...  Read More ...
Low Complexity Spectrum Sensing System for GFDM Cognitive Radio Signals
Low Complexity Spectrum Sensing System for GFDM Cognitive Radio Signals

Hussain K. Chaiel

Volume 32, Issue 6 , July 2014, Page 1506-1518

https://doi.org/10.30684/etj.32.6A.13

Abstract
  Cognitive radio is a promising technology that aims to use the transmission spectrum efficiently. Each cognitive transmission process consists typically of two phases. During the first ...  Read More ...
Effect of Using Windows Waste Glass as Coarse Aggregate on Some Properties of Concrete
Effect of Using Windows Waste Glass as Coarse Aggregate on Some Properties of Concrete

Abdelmaseeh Bakos Keryou; Gailan Jibrael Ibrahim

Volume 32, Issue 6 , July 2014, Page 1519-1529

https://doi.org/10.30684/etj.32.6A.14

Abstract
  In this experimental study, local waste glass (WG) gathered from Turkey-made windows glass has been used as a partial replacement of coarse aggregates with 0, 20, 25, and 30% percentages ...  Read More ...
Modeling of The Corrosion Behavior of Enamel Coatings in Different Aggressive Media
Modeling of The Corrosion Behavior of Enamel Coatings in Different Aggressive Media

Ibtihal A. Mahmood; Jabbar H. mohmmed; Baydaa A. Khalaf

Volume 32, Issue 6 , July 2014, Page 1530-1543

https://doi.org/10.30684/etj.32.6A.15

Abstract
  In this study an attempt has been made to formulate materials for glass ceramic enamel coating that can be applied directly onto cast iron substrate for corrosion control. Different ...  Read More ...
Removal of Methyl Violet Dye From Synthetic Wastewater Using a Hybrid Detoxification Process
Removal of Methyl Violet Dye From Synthetic Wastewater Using a Hybrid Detoxification Process

Mohammad F. Abid; Amir A. Abdul-Rahman; Noor H. Hamza

Volume 32, Issue 6 , July 2014, Page 1544-1561

https://doi.org/10.30684/etj.32.6A.16

Abstract
  The aim of the present study was to design a solar reactor and analyze its performance for removal of methyl violet dye (MV) from water with titanium dioxide as the photocatalyst. The ...  Read More ...
Stress Analysis Around Tunnels During Construction Stages Using Finite Elements Method
Stress Analysis Around Tunnels During Construction Stages Using Finite Elements Method

Kais T. Shlash; Nahla M. Salim; Zainab H. Shaker

Volume 32, Issue 6 , July 2014, Page 1562-1579

https://doi.org/10.30684/etj.32.6A.17

Abstract
  In this study, the stresses around a tunnel during construction stages are discussed. For this purpose, the finite element method (FEM) was adopted as an effective approach to analyze ...  Read More ...
Enhancement of Wind Turbine Performance Using Air- Blowing Technique by Modified Strong Implicit Procedure (MSIP) Optimization Solver Method
Enhancement of Wind Turbine Performance Using Air- Blowing Technique by Modified Strong Implicit Procedure (MSIP) Optimization Solver Method

Abdulhadi Mohammed Jawad; Muhannad Zedan Khelifa; Mustafa Sami Abdullateef; Yasser Ahmed Mahmood

Volume 32, Issue 6 , July 2014, Page 1580-1601

https://doi.org/10.30684/etj.32.6A.18

Abstract
  A powerful intensifier of friction in air flows affects the lift and drag coefficients, the flow separation plays a vital part in aerodynamic characteristics for technical applications. ...  Read More ...
Sustainable Urban Development -The Role of Waters' Canals in the Morphological Urban Development - City of Basrah as a Case Study
Sustainable Urban Development -The Role of Waters' Canals in the Morphological Urban Development - City of Basrah as a Case Study

Sana Sati Abbas; Asaad Ghalib; Saba M. Abdul Wahid

Volume 32, Issue 6 , July 2014, Page 165-185

https://doi.org/10.30684/etj.32.6A.19

Abstract
  Where ever the life is found it's very likely to find a river or water in any form, people connected more and more with rivers, streams and canals and working hard to rehabilitate these ...  Read More ...
Studying the Dry Sliding Wear for Composite Material of Base (Al-4%Cu) Reinforcement by Silicon Carbide Particles
Studying the Dry Sliding Wear for Composite Material of Base (Al-4%Cu) Reinforcement by Silicon Carbide Particles

Ahmad Ali Akbar Akbar; Hijran Zinalabiden; Waleed T. Rashid

Volume 32, Issue 6 , July 2014, Page 186-195

https://doi.org/10.30684/etj.32.6A.20

Abstract
  This work is concerned with a study of dry sliding wear of Aluminum bace alloy of (Al-4%Cu) reinforcement by silicon carbide particles with different percentage (3, 6,9,12 wt %SiC). ...  Read More ...