Volume 20 Issue 2
Published: 2012-04-01
Contents
Article
Effect of Storage Heater Shape on Performance of Built -In –Storage Solar Collector Suitable for IRAQ Environment
Obed Majeed Ali
AbstractThis research includes a theoretical and experimental study to the effect of some designing parameters on the performance of storage solar collector and to verify its suitability in the...
DOI: 10.33899/rengj.2012.47387
Parameters Affecting the Behavior of Reinforced Concrete Wrapped With CFRP Sheet
Azad A. Mohammed, Yassamin K. Faiud
AbstractIn this paper the behaviors of strength and deformation of short reinforced concrete column specimens wrapped with CFRP were studied through testing 48 cylindrical specimens under axial...
DOI: 10.33899/rengj.2012.47273
Parasitic Torques of single phase induction motors and its effect on the generated noise and vibration
Omar Sharaf AL-Deen Yehya
AbstractThis Paper presents the effects of the Parasitic Torques in a single phase induction motor, on the Vibration and Noise thats generated from choosing unsuitable value of running capacitor....
DOI: 10.33899/rengj.2012.47390
Effect of Drain Spacing on Water Table Depth and Soil Salinity
Entesar M.Ghazal
A computer model was made to find drain spacing with Hooghout equation then SALTMOD was applied for water and salt balances of four different soils. Crop rotation with alfalfa in 50% of the land as...
DOI: 10.33899/rengj.2012.47393
Tensile Stress-Strain Relationship For Ferro cement Structures
Azad A. Mohammed, Dunyazad K. Assi
AbstractTests on fibrocement discs were carried out to measure tensile stress- strain relationship including testing wide ranges of matrix strength. Equations were proposed for calculating tensile...
DOI: 10.33899/rengj.2012.047274
Study of the Relationship between Organic Content Measures in Water
Riyadh MahmoodSaleh AL-Obaidi
Abstract:Organic content measures (COD, BOD, and TOC) has been tested for different types of waters, municipal wastewater, treatment plant influent and effluent, synthetic wastewater and river...
DOI: 10.33899/rengj.2012.47397
The Effect of Filler Types and Superplastizier on the Workability and Splitting Tensile Strength of Self-Compacting Concrete
Raid Ismaeel Mohammed, Dr. Saeed K. Rejeb
AbstraAbstractSelf-compacting concrete (SCC) is a special type of concrete that can flow through intricate geometrical configurations under its own mass without external or internal vibration or...
DOI: 10.33899/rengj.2012.47277
Water Reclamation of Kharazi Wadi for Irrigation
Mohammed Sulaiman Hassan, Mazin Siddek Alyas
In the present research Thirty raw water samples were collected from kharazi wadi for further treatment , Those samples represent a mixture of (municipal ,irrigation and storm) sewage discharged...
DOI: 10.33899/rengj.2012.47399
Experimental Study on theBehaviour of High StrengthConcrete with Silica Fume under Monotonic and Repeated Compressive Loads
- -
AbstractThe main objective of this paper is to determine the effect of silica fume on the compressive strength of concrete under two types of loading, monotonic and repeated compressive loads....
DOI: 10.33899/rengj.2012.47278
Compressive and Tensile Strength of Fibrous Clayey Soil Stabilized with Lime
I. M. Al-Kiki, A. H. Al-Zubaydi, M. A. Al-Atalla
AbstractThis investigation was conducted to assess the efficacy of the glass, hay and polypropylene fibers for enhancing the unconfined compressive and tensile strengths of clayey soil stabilized...
DOI: 10.33899/rengj.2012.47280
Warm Forming of Aluminum Alloy 2024 at Different Temperatures
O. Th. Jumah, W. J. Ali
AbstractForming of aluminum sheets at warm forming temperatures has been investigated as an alternative manufacturing process for improving formability compared with forming at room temperature....
DOI: 10.33899/rengj.2012.47283
Numerical Investigation of Natural Convection Heat Transfer in Porous Medium Saturated With Carbon Dioxide in Supercritical State
Dr. Amir S. Dawood, Younis M. Najim, Mohanad K. Radhi
AbstractNatural convection in a porous medium saturated with supercritical carbon dioxide (CO2) whichis bounded by square cavity is studied numerically by solving the governing Darcy equation using...
DOI: 10.33899/rengj.2012.47286
Tensile Strength Determination of heat Treated Austenitic Stainless Steel AISI 316L Using (ABI) Method
Ramadhan H. Gardi
AbstractIn this study, austenitic stainless steel AISI 316L has been selected to investigate the effect of aging time and temperature on tensile strength using (ABI) technique. Heat treatment...
DOI: 10.33899/rengj.2012.47287
Friction and indicated power measurement for diesel engine by ( aerial dynamometer
Mohammad Sami Ahmad
Abstract:The conventional methods - used for - measuring brake, friction, and indicated power are based on brake - off dynamometers which use hydraulic or electrical dynamometers .The mentioned...
DOI: 10.33899/rengj.2012.47288
Modelingand AnalysisofIXP425 Network Processor
Fakhraldeen H, Ali Omar F. Ahmed
AbstractThere are mainly two kinds of network processor: coprocessors-centric model, and core-centric model. In the coprocessors-centric, the data-plane is handled by coprocessors. The core...
DOI: 10.33899/rengj.2012.47289
Transmission Spectrum Shifting By Varying Ambient Refractive Index in LPFG
Furat.y. Abdul-Razak
ABSTRACTIn this paper,we introduce a new model, of long-period fiber grating, by taking the value of ambient refractive index greater than the refractive cladding index, where the difference...
DOI: 10.33899/rengj.2012.47290
A SimpleMethod to Derive the Bistatic Tracking Radar System Formulas
Khalil Ibrahim Ali Al-Sharabi
AbstractBistaticTracking Radar (BTR) is an advanced mode of conventional BistaticRadar (BR) which is used for target detection. The principle of working of BTR system is same as that for Mono...
DOI: 10.33899/rengj.2012.47291
Refine Priority Queuing Scheduling Algorithm By Applying Time Expired Packets Algorithm
Dr.Mohammed B. Abdullah, Yazen S.Sheet
AbstractQuality of service (QoS) is a corner stone in recent Internet applications. One of the requirements of achieving QoS in routers is scheduling algorithms. Priority Queuing (PQ) is the...
DOI: 10.33899/rengj.2012.47383
