Volume 17 Issue 4

Published: 2025-06-25

Contents


Article
Effect Of Externally Bonded Gfrp Sheets On The Shear Transfer Capacity Of Concrete

Ashtar S. Al-Luhybi, Bayar J. Al-Sulayfani,

AbstractThe current research includes practical results of study and investigated the subject of strengthening the shear strength through uniaxial confinement (one direction) using GFRP Sheets....

DOI: 10.33899/rengj.2009.43293

Pages: 17-27
Fuzzy Self Tuning Of Dc Position Control Based On Labview

Sura Nawfal Abd Alrazaaq, Fakhraldeen Hamid Ali,

AbstractThis paper investigates the effect of quantization gain factors, at the input side, and the scaling gain, at the output side, of a fuzzy controller. A fuzzy control system is designed with...

DOI: 10.33899/rengj.2009.43288

Pages: 73-83
Modeling and Computer Simulation of a Dual Converter System

Yasser Ahmed Mahmood, Dhaiya Ali Al-Nimma,

AbstractDC Drives have been used and still being used in many industrial applications as adjustable speed drives. Among these applications are robotics, mill, steel, cementetc, [1] industries. The...

DOI: 10.33899/rengj.2009.43294

Pages: 28-35
The Formal Composition of Khans in Islamic Architecture (An Analytical Study)

Assda A. H. Al-Tuhafi, Talaat I. M. Al-Aane, Khawla F. M. Al-Daudi,

AbstractIslamic architecture is considered to be a unique example that reflects the impact of structural formation systems in establishing its form; the structural relations represent the most...

DOI: 10.33899/rengj.2009.43312

Pages: 80-96
Spatial and Visual Organization Properties of Mosul University Components

Miqdam A. M. Alkurukchi,

AbstractSpatial organization is the operative mean through which built environment expresses the Purposes of its creation.Due to its ability to provide basic requisites of movement, encounter and...

DOI: 10.33899/rengj.2009.43305

Pages: 67-79
Numerical Study of Natural Convection Heat Transfer of a Square Eccentric Body Buried in a Porous Media

Ramiz Ibraheem saeed, ed Ahmed Ali,

AbstractNatural convection in a saturated porous medium bounded by two horizontal eccentric ducts is studied numerically by solving the governing Darcy-Boussinsq equations using finite differences...

DOI: 10.33899/rengj.2009.43283

Pages: 51-62
Free Vibration Analysis Of Curved Box Girder Bridges by Higher Order Finite Strip

Zeena A. Mohamma, Ayad A. Abdul Razzak,

A higher-order conical frustum shell strip for analysis of free vibration of curved box girder bridges is developed, the auxiliary nodal line technique is used in the formation, the application of...

DOI: 10.33899/rengj.2009.43291

Pages: 1-16
Effect of Elevated Temperature on Some Properties of Air-Entrained Steel Fibers Reinforced Concrete

Rana Burhan Abdurrahman, Abdul Hakeem Hamed Ahmad,

AbstractIn this paper, an experimental investigation was conducted to explore the mechanical properties of air entrained steel fibers reinforced concrete (AESFC). The residual mechanical properties...

DOI: 10.33899/rengj.2009.43276

Pages: 28-41
Flexural Behavior Of Flat And Folded Ferrocement Panels

Sura A. Majeed, Mohamad N. Mahmood,

AbstractThe present paper describes the results of testing folded and flat ferrocement panels reinforced with different number of wire mesh layers. The main objective of these experimental tests is...

DOI: 10.33899/rengj.2009.43268

Pages: 1-11
Improved Equations for Estimating Spray Losses of Fixed Sprinkler Irrigation Systems in Iraq

Nawal M. Jajoo,

Many local field studies on sprinkler spray losses in Iraq have been conducted, the first was in 1980 and the latest is in 2008. Many equations to estimate these losses have been proposed. But,...

DOI: 10.33899/rengj.2009.43298

Pages: 36-41
Prediction Of Ultimate Load Capacity Of High-Strength Reinforced Concrete Corbels

Ali Ramadhan Yousif,

AbstractA study on the behavior of reinforced high-strength concrete corbels is carried out using nonlinear finite element analysis and a simplified softened strut-and-tie model. In the numerical...

DOI: 10.33899/rengj.2009.43273

Pages: 12-27
Validation Of The Total Resistance Heat Dissipation Model For Heat Transmission Through Annular Fins With Variable Heat Transfer Coefficient

Ghalib Y.Kahwaji, Ziad M. Al-Makhyoul,

The present paper includes analytical investigation of the validity of total resistance heat dissipation model using variable heat transfer coefficient for annular fins constant thickness. The...

DOI: 10.33899/rengj.2009.43280

Pages: 42-50
Laboratory Study of Flow Energy Dissipation Using Stepped Weirs

Azza Nasiralla AL-Talib, Hana Abd AL-Majeed Hayawi,

A laboratory study was conducted on stepped and unstepped weirs in order to find their efficiency of dissipating flow energy. Thirty six weirs were constructed and tested to compare between stepped...

DOI: 10.33899/rengj.2009.43300

Pages: 42-51
FPGA Implementation of Adaptive Noise Canceller

Aws Hazim saber, Rafid Ahmed Khalil,

This paper presents hardware implementation of least mean square (LMS) adaptive filter based Adaptive Noise Canceller (ANC) structure on FPGA using VHDL hardware description language. First, the...

DOI: 10.33899/rengj.2009.43287

Pages: 63-72
The alteration of designer logical performance during architectural design task

Uriya Noory Saeed, Nahith Taha Abdulla,

Although many studies have tried to reduce differences between conceptual models of thinking processes, through the description of the operational performance of any intellectual task includes...

DOI: 10.33899/rengj.2009.43304

Pages: 52-66