Effect of Silicon cavbide addition on properties of compacted Ni- caproduced by powder technology
Effect of Silicon cavbide addition on properties of compacted Ni- caproduced by powder technology
Volume 29, Issue 11 , August 2011, Page 497-507

https://doi.org/10.30684/etj.29.11.20

Abstract
  This research aimed to product Cu-Al alloys by powder metallurgy method because of it is commercial and technological important. Copper and aluminum powders were tacking then there ...  Read More ...
Using Hamming Network to Decoding Binary Cyclic Code
Using Hamming Network to Decoding Binary Cyclic Code

Hind Abd Al-Razzaq

Volume 29, Issue 11 , August 2011, Page 2093-2101

https://doi.org/10.30684/etj.29.11.1

Abstract
  This work, efforts are concentrated on solving the problem of decoding binary cyclic code, using hamming neural network. Therefore, this work shows the ability of hamming network in ...  Read More ...
Finite Element Analysis of Deformation Behavior of Wire Cold Flat Rolling
Finite Element Analysis of Deformation Behavior of Wire Cold Flat Rolling

Abdul Kareem Flaih Hassan

Volume 29, Issue 11 , August 2011, Page 2102-2113

https://doi.org/10.30684/etj.29.11.2

Abstract
  Flat rolling of wire is an industrial process used to manufacture electrical flat wire, medical catheters, springs and piston segments, among other products. This paper presents a 3D ...  Read More ...
A Study of Some Mechanical, Thermal and Physical Properties of Polymer Blend with Iraqi Kaolin Filler
A Study of Some Mechanical, Thermal and Physical Properties of Polymer Blend with Iraqi Kaolin Filler

Najat J. Saleh; Samir Nassaf Mustafa

Volume 29, Issue 11 , August 2011, Page 2114-2131

https://doi.org/10.30684/etj.29.11.3

Abstract
  In the present work, polymer blends were fabricated by mixing two polymers of polypropylene and poly (methyl methacrylate) mixed in different weight percentage and different particle ...  Read More ...
Proposed Hybrid Approach of Stream Cipher base on Selector of Encryption operation and Key Symmetric translate
Proposed Hybrid Approach of Stream Cipher base on Selector of Encryption operation and Key Symmetric translate

Alaa Kadim Farhan

Volume 29, Issue 11 , August 2011, Page 2132-2142

https://doi.org/10.30684/etj.29.11.4

Abstract
  A stream cipher is a method of encrypting text (to produce cipher text) in which a cryptographic key and algorithm are applied to each binary digit in a data stream, one bit at a time. ...  Read More ...
Effect of Non-Linear Load Harmonics on Single phase Transformer Losses and Design Active Filter
Effect of Non-Linear Load Harmonics on Single phase Transformer Losses and Design Active Filter

Zainab Nadhem Abbas Al-Mousaoy

Volume 29, Issue 11 , August 2011, Page 2143-2155

https://doi.org/10.30684/etj.29.11.5

Abstract
  As a result of the negative effects unshaped on some of the components in power systems such as the transformers, a great concern was shown to treatment this phenomenon so we rise in ...  Read More ...
Geometrically Nonlinear Free Vibration Analysis of Cylindrical Shells Using high Order Shear Deformation Theory-A Finite Element Approach
Geometrically Nonlinear Free Vibration Analysis of Cylindrical Shells Using high Order Shear Deformation Theory-A Finite Element Approach

Nabil Hassan Hadi; Kayser Aziz Ameen

Volume 29, Issue 11 , August 2011, Page 2156-2174

https://doi.org/10.30684/etj.29.11.6

Abstract
  A nonlinear finite element model for geometrically large amplitude free vibration analysis of laminated composite shallow cylindrical shell panel is presented using high order shear ...  Read More ...
Nonlinear Finite Element Analysis of RPC Beams Failing in Shear
Nonlinear Finite Element Analysis of RPC Beams Failing in Shear

Kaiss F. Sarsam; Ihsan A.S. Al-Shaarbaf; Maha M. S. Ridha

Volume 29, Issue 11 , August 2011, Page 2175-2188

https://doi.org/10.30684/etj.29.11.7

Abstract
  Reactive powder concrete (RPC) is a new type of ultra-high strength and high ductility concrete first developed in the 1990's in France. It is recognized as a revolutionary material ...  Read More ...
Dynamic Analysis of Foundations on Saturated Clay Using an Energy Absorbing Layer
Dynamic Analysis of Foundations on Saturated Clay Using an Energy Absorbing Layer

Saad F. A. Al-Wakel; Mohammed Y. Fattah; Hussein H. Karim

Volume 29, Issue 11 , August 2011, Page 2189-2201

https://doi.org/10.30684/etj.29.11.8

Abstract
  In this study, a method to model the semi-infinite extension (unbounded domain) of the saturated soil is developed. In this method, the unbounded domain is replaced by an absorbing ...  Read More ...
Proposed Algorithm for Extracting Association Rule Depend on Closed Frequent Itemset (EACFI)
Proposed Algorithm for Extracting Association Rule Depend on Closed Frequent Itemset (EACFI)

Emad k. Jbbar; Yaser Munther

Volume 29, Issue 11 , August 2011, Page 2202-2209

https://doi.org/10.30684/etj.29.11.9

Abstract
  Association rules are important one of data mining activities. All algorithms of association rule mining consist of finding frequency of itemsets, which satisfy a minimum support threshold, ...  Read More ...
Reducing of Flammability for Polymeric Composite Material by Using Flame Retardants Coating
Reducing of Flammability for Polymeric Composite Material by Using Flame Retardants Coating

Ali Ibrhim Al-Mosawi

Volume 29, Issue 11 , August 2011, Page 2210-2215

https://doi.org/10.30684/etj.29.11.10

Abstract
  The low thermal resistance of polymeric materials to high temperatures consideredthe main limitation to used these materials in such applications required high thermalresistance ,so ...  Read More ...
An Investigation of Natural Convection Heat Transfer in a Square Enclosure Filled with Nanofluid
An Investigation of Natural Convection Heat Transfer in a Square Enclosure Filled with Nanofluid

Ayad M. Salman

Volume 29, Issue 11 , August 2011, Page 2216-2233

https://doi.org/10.30684/etj.29.11.11

Abstract
  In this research, numerical solution of natural convection heat transfer of nanofluids in two-dimensional square enclosures is obtained for different values of Rayleigh numbers and ...  Read More ...
Development of an Adaptive File Transfer Protocol (AFTP )
Development of an Adaptive File Transfer Protocol (AFTP )

Alaa Noori Mazher; Alyaa Hussain Ali; Taif Sami Hassan

Volume 29, Issue 11 , August 2011, Page 2234-2243

https://doi.org/10.30684/etj.29.11.12

Abstract
  File is one of the main storing units of information. There is a great need to transfer file through computer network especially the internet. The model that is used in Internet is ...  Read More ...
Development of Algorithms to Represent Intermediate Layers for Machining Sculptured Surfaces
Development of Algorithms to Represent Intermediate Layers for Machining Sculptured Surfaces

Tahseen A. Jawad; Tahseen F. Abbas

Volume 29, Issue 11 , August 2011, Page 2244-2258

https://doi.org/10.30684/etj.29.11.13

Abstract
  The objective aim of this research is to develop an algorithm for design and manufacture sculptured surfaces that are common in a wide variety of products such as dies, automobile, ...  Read More ...
Design of a Nonlinear Robust Controller for Vibration Control of a Vehicle Suspension System
Design of a Nonlinear Robust Controller for Vibration Control of a Vehicle Suspension System

YasirKhudhair Abbas; Muhsin N.Hamza; Shibly Ahmed Al-Samarraie

Volume 29, Issue 11 , August 2011, Page 2259-2273

https://doi.org/10.30684/etj.29.11.14

Abstract
  The suspension system is the main tool to achieve ride comfort and drive safety for a vehicle. Passive suspension systems have been designed to obtain a good compromise between these ...  Read More ...
Optimizing the Conditions for the PVC Playing- Balls Fabrication
Optimizing the Conditions for the PVC Playing- Balls Fabrication

Suhair Mohammad Yaseen; Ali Najem Abdullah

Volume 29, Issue 11 , August 2011, Page 2274-2281

https://doi.org/10.30684/etj.29.11.15

Abstract
  Although PVC polymer is one of the cheapest plastics that are widely used in industry. The conditions of PVC processing industries are still industrially and commercially confidential ...  Read More ...
33% RZ-DPSK 10 Gb/s WDM Transmission
33% RZ-DPSK 10 Gb/s WDM Transmission

Rasha Hassan Abbas; Ali Y. Fattah

Volume 29, Issue 11 , August 2011, Page 2282-2297

https://doi.org/10.30684/etj.29.11.16

Abstract
  200 GHz-spaced 16-channel 40Gbit/s WDM signal transmission is proposed in Cband using 33% return-to-zero differential-phase-shift-keying (RZ-DPSK) format over a 5 spans of dispersion ...  Read More ...
Numerical Simulation for Laminar Natural Convection with in a Vertical Heated Channel
Numerical Simulation for Laminar Natural Convection with in a Vertical Heated Channel

Hussein Majeed Salih

Volume 29, Issue 11 , August 2011, Page 2298-2311

https://doi.org/10.30684/etj.29.11.17

Abstract
  A numerical investigation has been performed to estimate the induced flow rate for a laminar natural convection flow of air in a vertical channel with isothermal walls conditions (one ...  Read More ...
Removing 0.5 Hz Baseline Wander From ECG Signal Using Multistage Adaptive Filter
Removing 0.5 Hz Baseline Wander From ECG Signal Using Multistage Adaptive Filter

H. H. Abbas

Volume 29, Issue 11 , August 2011, Page 2312-2328

https://doi.org/10.30684/etj.29.11.18

Abstract
  This paper deals with the implementation of software system to remove 0.5 Hz baseline wander noise from the ECG signal using multistage adaptive filter. At start, a single stage adaptive ...  Read More ...
Theoretical and Experimental Study of Pressure Prediction in Crevices Region between Piston Rings for Diesel Engine
Theoretical and Experimental Study of Pressure Prediction in Crevices Region between Piston Rings for Diesel Engine

Hayder Q. Alwan

Volume 29, Issue 11 , August 2011, Page 2329-2345

https://doi.org/10.30684/etj.29.11.19

Abstract
  An engine of Zeetor type Z – 6901 of three compression rings is employed in this investigation to accomplish the experimental work. The indicator diagram i.e. P=ƒ(α) ...  Read More ...