Volume 20 Issue 2

Published: 2025-06-25

Contents


Article
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

Pages: 106-115
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

Pages: 19-32
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

Pages: 78-85
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

Pages: 140-149
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

Pages: 45-60
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

Pages: 27-40
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

Pages: 1-8
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

Pages: 66-77
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

Pages: 1-26
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

Pages: 150-163
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

Pages: 9-18
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

Pages: 131-139
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

Pages: 55-65
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

Pages: 116-130
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

Pages: 33-44
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

Pages: 41-54
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

Pages: 98-105
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

Pages: 86-97