Number of Articles: 15
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
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)
Volume 26, Issue 12 , December 2008, Page 484-495
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
Volume 26, Issue 12 , December 2008, Page 496-509
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
Volume 26, Issue 12 , December 2008, Page 510-523
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
Volume 26, Issue 12 , December 2008, Page 524-534
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
Volume 26, Issue 12 , December 2008, Page 535-548
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
Volume 26, Issue 12 , December 2008, Page 1439-1450
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
Volume 26, Issue 12 , December 2008, Page 1451-1460
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
Volume 26, Issue 12 , December 2008, Page 1461-1483
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
Volume 26, Issue 12 , December 2008, Page 1484-1491
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
Volume 26, Issue 12 , December 2008, Page 1492-1507
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
Volume 26, Issue 12 , December 2008, Page 1508-1523
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
Volume 26, Issue 12 , December 2008, Page 1523-1533
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
Volume 26, Issue 12 , December 2008, Page 1534-1549
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
Volume 26, Issue 12 , December 2008, Page 1550-1562