Volume 20 Issue 6
Published: 2012-12-01
Contents
Article
Analysis and Simulation of Single Phase Inverter Controlled By Neural Network
Abdul Kareem Z. Mansoor, Ahmed G. Abdullah
ABSTRACTThis paper presents the analyses and design of Neural Network (NN) control of a single phase voltage source inverter with an L-C filter using only voltage sensor. A multiple feedback loop...
DOI: 10.33899/rengj.2012.63362
Nonlinear Analysis of Reinforced Concrete Thick Plates Under Effect of RepeatedLoading and Cyclic Heating
Dr.A. H.AHMAD, H.ِA. AL Jarjery
AbstractThis study includes the effect of cyclic heating and repeated loading on the behavior of reinforced concrete thick plates by using mathematical models to represent the effect of cyclic...
DOI: 10.33899/rengj.2012.63332
Short term electrical load forecasting using holt-winters method
Dr. Majed Saleh Al-Hafid, Ghazi Hussein Al-maamary
AbstractLoad forecasting is a process of predicting the future load demands. It is important for electrical power system planners and demand controllers in ensuring that there would be enough...
DOI: 10.33899/rengj.2012.63377
Shear Transfer between Precast Normal Concrete and Self Compacting Concrete through the Interface Surface
Janan Rasheed Al-Feel, Ragad Subhi
AbstractWhen cast two different types of concrete in the structures or cast new concrete over old concrete it should be act monolithically. As the load applied a shear force between them will cause...
DOI: 10.33899/rengj.2012.63358
Fabrication and Study of Memory Cell Switching Properties Based on Cu2S Compound
Dr. Khalid Khaleel Mohammad, Faris Hassan Taha
AbstractA variety of materials having large non-volatile resistance change has been studied as potential candidates for next generation of non-volatile memory devices, in this device, information...
DOI: 10.33899/rengj.2012.63378
Design and Implementation of Doherty Power Amplifier of Global System Mobile (GSM) of Base station
Dr. Saad A. AL Kazzaz, Kahlan. H. Hamid
AbstractPower amplifier is the main component of wireless communication system. This paper presentsthe efficiency improvement of linear Power amplifier for GSM base station using Doherty Power...
DOI: 10.33899/rengj.2012.63385
Colors (Their Positions& meanings) in Islamic Architecture
Dr. Ahmad Abdulwahid Thannoon
Colors are considered to be one of the complementary design elements in the process of architectural design of any building. Itcontributes in the presentation of the final and overall picture of...
DOI: 10.33899/rengj.2012.63360
Estimate of Penetration Depth of Moist Soils For Mosul City at 6 GHzC-band Microwave Frequency Range
ManafEzzldien Al-Sabbagh
AbstractResults of an experimental and theoretical programs were presented to determine the impact of soil moisture content and the soil composition on microwave radiometric emission and microwave...
DOI: 10.33899/rengj.2012.63387
Stress AnalysisoftheAbove-Knee ProsthesisduringGait Cycle
Bakr Noori Khudher
AbstractIn this paper the finite element analysiswas achieved on the above-knee prosthesis to investigate a picture of stress distribution in the socket.Previous works on the prostheses used the...
DOI: 10.33899/rengj.2012.63389
Stress Analysis of Centrifugal Fan Impellers
Dr. Muhamed H. Abood, Ayad A. Ghaidan, Mahmood H. Ali
AbstractThis paper deals with the determination of stress distribution for a centrifugal fan consists of back sheet, ten airfoil blades and shroud by using Finite element Packaged program (NSTRAN)....
DOI: 10.33899/rengj.2012.63391
Effects of H2SO4 and HCL Concentration on the Corrosion Resistance of Protected Low Carbon Steel
Dr.Sami Abualnoun Ajeel, Haitham Mohammed Waadulah, Dehia AbdAlkader Sultan
AstractInvestigations were carried out to study the corrosion behavior of unprotected and protected low carbon steel using carburizing and hard chrome plating in different concentrations of H2SO4...
DOI: 10.33899/rengj.2012.63393
Studyof the Effect of Relative Humidity on the Heat Transfer Characteristics for a Fin Exposed to Air at Different Conditions Ziad M. Al-Makhyoul
Ziad M. Al-Makhyoul
A study of the effect of relative humidity on the two dimensional heat transfercharacteristics for thetwo types of annular fins of (constant thickness and variable thickness)has been carriedout...
DOI: 10.33899/rengj.2012.63395
Effect of wick structure geometry on the performance of a heat pipe
Dr.Hussain H., Raqeeb H. Rajab
AbstractA mathematical model was set up to find the heat transfer coefficient in a heat pipe with a grooved wick structurehaving axial capillaries of different cross sectionsthroughproducinga...
DOI: 10.33899/rengj.2012.63397
Pipeline Architecture for Clipping Straight Line Segments
Dena R. Ibrahim, Fakhrulddin H. Ali
AbstractSometimes, in computer graphics, there is a need to show a part or a piece of a specific picture to study it accurately. For this purpose a window can be used to select the interested part...
DOI: 10.33899/rengj.2012.63399
Combined Armature and Field Fuzzy Speed Control of a DC Motor for Efficiency Enhancement
Ahmed M.Adday, Dr.Mazin Z .Othman
AbstractThis paper presents the design and implementation of fuzzy logic controller (FLC) to improve the efficiency of a separately excited dc motor .The improvement of motor efficiency is achieved...
DOI: 10.33899/rengj.2012.63401
Recognition ofBreast CancerUsing Hybrid Method
Loay Salim Yahya
AbstractIn this paper,a computer aided diagnosis [CAD] system has been developed for tumor detection in digital mammography. The system consists of four parts: firstenhance the image,second Feature...
DOI: 10.33899/rengj.2012.63405
Effect of Combined Stabilization by Lime and Cement on Hydraulic Properties of Clayey Soil Selected From Mosul Area
Mohammed MukhlifAljobouri, Dr. SuhailIdreesKhattab
AbstractThis paper is aimed to study some of the hydraulic properties (permeability and water retention) of a stabilized clayey soil selected from Mosul area. The optimum lime stabilization...
DOI: 10.33899/rengj.2012.63409
Experimental and Finite Element Analysis of Steel-Concrete Composite Beams
Dr. Suhaib Yahya Kasim Al-Darzi, Inas Mahmood A.H.Al-Juboory
AbstractA new type of perfobond shear connector is suggested, and tested through design and construction of six steel-concrete composite beams separated on three groups formed from standard steel...
DOI: 10.33899/rengj.2012.63412
