دراسة تأثير الفيض الحراري في الاهتزاز الناتج عن جريان مائع خلال أنبوب يحتوي على حاجز في منتصفه
دراسة تأثير الفيض الحراري في الاهتزاز الناتج عن جريان مائع خلال أنبوب يحتوي على حاجز في منتصفه
Volume 26, Issue 10 , October 2008, Page 401-416

https://doi.org/10.30684/etj.26.10.15

Abstract
  In this work theoretical study is carried out to the effect of heat flux on inducedvibrations from a fluid flow in a simply and flexible supported pipe with arestriction.The water flow ...  Read More ...
Computer aided design of runner & gate in die casting
Computer aided design of runner & gate in die casting
Volume 26, Issue 10 , October 2008, Page 417-430

https://doi.org/10.30684/etj.26.10.14

Abstract
  Die Casting is a high tolerance process due to the high Accuracy of Data to reduce theerror factor as much as possible the objective of this paper is to design an AluminumA380 thermo-fan, ...  Read More ...
Extraction, Identification and Antibacterial activity of Cyperus oil from Iraqi C. rotundus
Extraction, Identification and Antibacterial activity of Cyperus oil from Iraqi C. rotundus

Zeid abdul-Majid Nima; Majid Sakhi Jabier; Raghidah Ismaeel Wagi; Huda Abd Al-Kareem Hussain

Volume 26, Issue 10 , October 2008, Page 1156-1163

https://doi.org/10.30684/etj.26.10.1

Abstract
  Cyperus rotundus has many different uses and these were based on the differentparts of plant. The medical uses of cyperus have been used in medicine forthousands of years. The parts ...  Read More ...
High-Speed Response Si PIN Photodetector Fabricated and Studied for Visible and Near Infrared Spectral Detection
High-Speed Response Si PIN Photodetector Fabricated and Studied for Visible and Near Infrared Spectral Detection

Khalid Z. Yahiya

Volume 26, Issue 10 , October 2008, Page 1164-1170

https://doi.org/10.30684/etj.26.10.2

Abstract
  In the present work , PIN photodetector has been fabricated by vacuum evaporationtechnique, Al was evaporated on top side of an intrinsic – type silicon and In was evaporatedon ...  Read More ...
Evaluation Of The Method Of Stress Characteristics For Estimation Of The Soil Bearing Capacity
Evaluation Of The Method Of Stress Characteristics For Estimation Of The Soil Bearing Capacity

Mohammed Y. Fattah; Mohammed F. Aswad; Mohammed M. Mahmood

Volume 26, Issue 10 , October 2008, Page 1171-1184

https://doi.org/10.30684/etj.26.10.3

Abstract
  The classical bearing capacity theories rely on the superposition of three separatebearing capacities – a technique that is inherently conservative – but they also rely ...  Read More ...
Effect Of Soil Consistency On Flow Characteristics Of Acids Through Cohesive Soils
Effect Of Soil Consistency On Flow Characteristics Of Acids Through Cohesive Soils

Husam Hikmat Bakir; Falah Hassan Rahil; Mohammed Yousif Fattah; Mohammed Abullateef Al-Neami

Volume 26, Issue 10 , October 2008, Page 1185-1200

https://doi.org/10.30684/etj.26.10.4

Abstract
  The consistency of cohesive soil depends to a large extent on the structure of soil particleswhich may be arranged in two systems; dispersed or flocculated. The presence of salts oracids ...  Read More ...
Study Optoelectronic Properties of Ag2O Heterojunction Prepered by Thermal Oxidation Technique
Study Optoelectronic Properties of Ag2O Heterojunction Prepered by Thermal Oxidation Technique

Khalid Z. Yahia

Volume 26, Issue 10 , October 2008, Page 1201-1209

https://doi.org/10.30684/etj.26.10.5

Abstract
  Highly (101)-oriented p-Ag2O thin film with high electrical resistivily was grown bythermal oxidation (TO) on clean monocrystalline p-type Si without any post- depositionannealing. ...  Read More ...
Fatigue Study Of E-Glass Fiber Reinforced Polyester Composite Under Fully Reversed Loading And Spectrum Loading
Fatigue Study Of E-Glass Fiber Reinforced Polyester Composite Under Fully Reversed Loading And Spectrum Loading

Muhannad Z. Khelifa; Hayder Moasa Al-Shukri

Volume 26, Issue 10 , October 2008, Page 1210-1224

https://doi.org/10.30684/etj.26.10.6

Abstract
  Study of the fatigue behaviors experimentally and theoretically of a compositematerial manufactured for this paper by stacking four layers of E-glass fiber indifferent angle orientations ...  Read More ...
Simulation of the Acousto-optic Interaction in an Optical Bistable Device
Simulation of the Acousto-optic Interaction in an Optical Bistable Device

Adawiya J.Haider; Hind J.Jawad; Saleh N.Saleh

Volume 26, Issue 10 , October 2008, Page 1225-1234

https://doi.org/10.30684/etj.26.10.7

Abstract
  In this paper, a computer-aided simulation of the relation between peak phase delay and laserintensity ,at different values of the Klein-Cook parameter of the fourth order diffraction, ...  Read More ...
THE STUDY OF SOLUTION ABSORPTION AND DIFFUSION COEFFICIENT IN EPOXY COMPOSITE REINFORCED WITH GLASS FIBERS
THE STUDY OF SOLUTION ABSORPTION AND DIFFUSION COEFFICIENT IN EPOXY COMPOSITE REINFORCED WITH GLASS FIBERS

Sheelan R. Areef

Volume 26, Issue 10 , October 2008, Page 1235-1240

https://doi.org/10.30684/etj.26.10.8

Abstract
  Diffusivity behavior and diffusion coefficient was investigated in this paper for epoxy compositereinforced with glass fibers (woven roven and random direction) together as a sandwich ...  Read More ...
A New Compact Size Microstrip Patch Antenna with Irregular Slots for Handheld GPS Application
A New Compact Size Microstrip Patch Antenna with Irregular Slots for Handheld GPS Application

Jawad K. Ali

Volume 26, Issue 10 , October 2008, Page 1241-1246

https://doi.org/10.30684/etj.26.10.9

Abstract
  A new reduced size single probe fed microstrip patch antenna with irregular slitshas been presented to be used as a receiving antenna for Global Positioning Systems(GPS) integrated ...  Read More ...
Stabilization of Expansive Clayey Soil Modified by Lime with an Emulsified Asphalt Addition
Stabilization of Expansive Clayey Soil Modified by Lime with an Emulsified Asphalt Addition

Mohammad Natheer Al-Khashab; Mohammed Thafer Al-Hayalee

Volume 26, Issue 10 , October 2008, Page 1247-1262

https://doi.org/10.30684/etj.26.10.10

Abstract
  This study deals with the possibility of the stabilization of expansive clayey soilpre-treated by lime, with an emulsified asphalt addition.Soil from the "2nd Kafaat" District in Mosul ...  Read More ...
Effect of Alcohol as Additives on the Morphology and Separation Performance of Polyethersulfone (PES) Hollow Fiber Ultrafiltration Membranes
Effect of Alcohol as Additives on the Morphology and Separation Performance of Polyethersulfone (PES) Hollow Fiber Ultrafiltration Membranes

Samira N. A; Amel Alhelaly; Najat J. Saleh; Qusay Alsalhy

Volume 26, Issue 10 , October 2008, Page 1263-1273

https://doi.org/10.30684/etj.26.10.11

Abstract
  Hollow fiber ultrafiltration (UF) membranes were prepared usingPolyethersulfone (PES), alcohol (n-Propanol) as additive and N, N-dimethylacetamide(DMAc) as a solvent. Asymmetric hollow ...  Read More ...
Mathematical Correlations Between The Effective Diameter Of Soil And Other Properties
Mathematical Correlations Between The Effective Diameter Of Soil And Other Properties

Muayed M. Ismail

Volume 26, Issue 10 , October 2008, Page 1274-1281

https://doi.org/10.30684/etj.26.10.12

Abstract
  The equivalent or the “effective” diameter or size is a well-known parameter in soilclassification and permeability determination. Hazen (1892) on the basis of his study ...  Read More ...
Theoretical and Numerical Analysis of Fuel Droplet Combustion Parameters via Different Combustion Models
Theoretical and Numerical Analysis of Fuel Droplet Combustion Parameters via Different Combustion Models

Basma Abbas Abdulmajeed; Ali Sabri

Volume 26, Issue 10 , October 2008, Page 1282-1300

https://doi.org/10.30684/etj.26.10.13

Abstract
  The study introduces a theoretical analysis and numerical solution for the combustionof two kinds of hydrocarbon fuel droplet inside the combustion chamber. The study employsthree mathematical ...  Read More ...