The Effect Of Changing Iraqi Residence Building Orientation , Materials And It's Construction Position On Energy Consumption
The Effect Of Changing Iraqi Residence Building Orientation , Materials And It's Construction Position On Energy Consumption
Volume 26, Issue 12 , December 2008, Page 473-483

https://doi.org/10.30684/etj.26.12.10

Abstract
  The researcher was noticed that through his study for Iraqi residencebuilding for low income people, the big similarity of its architecturaldesign appearance. Therefore, he was selected ...  Read More ...
دراسة تأثير اضافة كل من كاربيد السليكون وكاربيد البورون في سلوك الكلال لسبيكة (Al-Si-Mg)
دراسة تأثير اضافة كل من كاربيد السليكون وكاربيد البورون في سلوك الكلال لسبيكة (Al-Si-Mg)
Volume 26, Issue 12 , December 2008, Page 484-495

https://doi.org/10.30684/etj.26.12.11

Abstract
  The presnt research had dealt with preparation of bars with length of about (13Cm)and a diameter of (1.5Cm) of composite material with metal matrix represented by(Al-Si-Mg) cast reinforced ...  Read More ...
دراسة تأثير دينامية الهواء على مقاطع مختلفة لفوهة محارق
دراسة تأثير دينامية الهواء على مقاطع مختلفة لفوهة محارق
Volume 26, Issue 12 , December 2008, Page 496-509

https://doi.org/10.30684/etj.26.12.12

Abstract
  Four type of burners of different rim shapes were made and tested.The rims were of plane surface, plane surface insulated from all side by nitrogen gas, out sidesharp edge and inside ...  Read More ...
النتردة كأسلوب لإطالة عمر الأجزاء المعرضة لتحميل كلال متغير
النتردة كأسلوب لإطالة عمر الأجزاء المعرضة لتحميل كلال متغير
Volume 26, Issue 12 , December 2008, Page 510-523

https://doi.org/10.30684/etj.26.12.13

Abstract
  This study has aimed to illustrate the effect of one surface hardening method(Nitriding) upon fatigue life time of medium carbon steel alloys . Therefore alltests. concerning round ...  Read More ...
The effect of changing internal tube diameter on the performance of uniflow vortex tube
The effect of changing internal tube diameter on the performance of uniflow vortex tube
Volume 26, Issue 12 , December 2008, Page 524-534

https://doi.org/10.30684/etj.26.12.14

Abstract
  In this present work, the optimum design and performance of the uniflowvortex tube used as a cooling and heating device of high efficiency is investigated experimentally. Great attempts ...  Read More ...
Symbol as continuity tool in type – convention system
Symbol as continuity tool in type – convention system
Volume 26, Issue 12 , December 2008, Page 535-548

https://doi.org/10.30684/etj.26.12.15

Abstract
  The research aims to declare the relationship between communication andsymbol architectural thoughtly construction in the within context of post modrenarchitecture for support research ...  Read More ...
Study of Heat Transfer from a Sphere Body to Flowing Media
Study of Heat Transfer from a Sphere Body to Flowing Media

Hassanain Ali Jabber; Balasim Ahmed Abid; Abdullah Abbas Kendosh

Volume 26, Issue 12 , December 2008, Page 1439-1450

https://doi.org/10.30684/etj.26.12.1

Abstract
  In the present research the convective heat transfer from a hollow copper sphere(10.2 cm in diameter) to air is studied at different temperatures of sphere surface.The experiments were ...  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

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

Volume 26, Issue 12 , December 2008, Page 1451-1460

https://doi.org/10.30684/etj.26.12.2

Abstract
  Hollow fiber ultrafiltration (UF) membranes were prepared using Polyethersulfone(PES), alcohol (n-Propanol) as additive and N, N-dimethylacetamide (DMAc) as asolvent. Asymmetric hollow ...  Read More ...
Long -Term Deformation Of Some Gypseous Soils
Long -Term Deformation Of Some Gypseous Soils

Mohammed Y. Fattah; Yousif J. al-Shakarchi

Volume 26, Issue 12 , December 2008, Page 1461-1483

https://doi.org/10.30684/etj.26.12.3

Abstract
  Time-dependent deformation and stress relaxation in soils are important in a variety ofgeotechnical problems where long-term behavior is of concern.Previous studies on soils showed ...  Read More ...
Fabrication and Characteristics Study Of CdO/Si Heterojunction
Fabrication and Characteristics Study Of CdO/Si Heterojunction

Khalid Z. Yahiya; Ammar H. Jareeze; Ammar M. Al-Baldawi

Volume 26, Issue 12 , December 2008, Page 1484-1491

https://doi.org/10.30684/etj.26.12.4

Abstract
  In the present paper CdO/Si heterojunction has been prepared by spray pyrolysismethod , electrical characteristics include I-V , C-V , were studied the build-inpotentialequal 1.7 eV ...  Read More ...
Optimum Design of Single-Phase Cascade Multilevel Inverter Using OHESW Technique
Optimum Design of Single-Phase Cascade Multilevel Inverter Using OHESW Technique

K. S. Krikor; Khalid I. Alnaimi; Jamal A. Mohammed

Volume 26, Issue 12 , December 2008, Page 1492-1507

https://doi.org/10.30684/etj.26.12.5

Abstract
  The traditional two or three levels inverter does not completely eliminatethe unwanted harmonics in the output waveform. Therefore, using themultilevel inverter as an alternative to ...  Read More ...
Effect of Polypropylene Fibers on Properties of Mortar Containing Crushed Brick as Aggregate
Effect of Polypropylene Fibers on Properties of Mortar Containing Crushed Brick as Aggregate

Shakir A. Salih; Maha E. AL-Azaawee

Volume 26, Issue 12 , December 2008, Page 1508-1523

https://doi.org/10.30684/etj.26.12.6

Abstract
  More recently there has been a great attention towards converting wastematerials by- products into useful materials as aggregate in concrete industry.It is thus aimed in this study ...  Read More ...
Effect of Multi-Coats of Cutting Tools on Surface Roughness in Machining AISI 1045 Steel
Effect of Multi-Coats of Cutting Tools on Surface Roughness in Machining AISI 1045 Steel

Maan Aabid Tawfiq

Volume 26, Issue 12 , December 2008, Page 1523-1533

https://doi.org/10.30684/etj.26.12.7

Abstract
  In this study, orthogonal machining tests in dry turning method are performed on(AISI 1045 St.), in order to examine the influences for the type and number ofcoatings on surface roughness. ...  Read More ...
FM Mode-Locking Fiber Laser
FM Mode-Locking Fiber Laser

Inmar N. Ghazi; Waleed Y. Hussein; Salam Sami M. Salih

Volume 26, Issue 12 , December 2008, Page 1534-1549

https://doi.org/10.30684/etj.26.12.8

Abstract
  In this paper the study of Frequency Modulation Harmonic Mode-locking forYtterbium Doped Fiber Laser is presented. The model studied, uses ytterbium-doped,single mode fiber pumped by ...  Read More ...
Effect of Some Processing Parameters on Arc Sprayed Coating
Effect of Some Processing Parameters on Arc Sprayed Coating

Ali Hussein Ataiwi

Volume 26, Issue 12 , December 2008, Page 1550-1562

https://doi.org/10.30684/etj.26.12.9

Abstract
  In this work, arc spray coating of 13% Cr-steel (BS403S17) has been used inrepair of nodular cast iron journals. This study discusses the processing factorseffecting the roughness, ...  Read More ...