Volume 13 Issue 4

Published: 2025-06-25

Contents


Article
Computer Simulation of the Performance of Industrial Gas Turbines with Application to Mosul Power Station

Dr. Ghalib. Y. Kahwaji, Dr. A. R. Habbo Mohammed,

Abstract:-A thermodynamic simulation of the power generation gas turbine of theMosul gas turbine power station was carried out, and its performance wasobserved. The simulation included detailed...

DOI: 10.33899/rengj.2005.46203

Pages: 45-63
Neural network Feature Extraction for the Tasks of Visual Recognition

Dr.Basil Sh. Mahmood, Shefa A. Dawwd,

AbstractIn this Paper, a neural network image recognition system is used. TheNeocognitron[8] in that system is used as feature extractor, then the feature areclassified by using a multilayered...

DOI: 10.33899/rengj.2005.46198

Pages: 1-10
Neural network Feature Extraction for the Tasks of Visual Recognition

Shefa A. Dawwd, Dr.Basil Sh. Mahmood,

AbstractIn this Paper, a neural network image recognition system is used. TheNeocognitron[8] in that system is used as feature extractor, then the feature areclassified by using a multilayered...

Pages: 1-10
THE EFFECT OF STEEL FIBERS ON THE MECHANICAL PROPERTIES OF HIGH PERFORMANCE CONCRETE

Khalid B. Najem, Saeed K. Rejeb, Shakir A.Salih,

ABSTRACTThe present investigation considers the effect of steel fibers content andthe combined effect of rice husk ash (RHA) and high range water reducing agent(HRWRA) on the mechanical properties...

DOI: 10.33899/rengj.2005.46202

Pages: 26-44
EFFECT OF CYCLIC HEATING ON REINFORCED CONCRETE THICK PLATES

- -,

to study the effect of cyclic heating and cooling onthe nonlinear analysis of the reinforced concrete plate at different load conditionsbefore and after cracking up to failure, and it`s effect on...

DOI: 10.33899/rengj.2005.46177

Pages: 35-51
A Two –Dimensional numerical Study of the effect of variable heat transfer coefficient on the performance of annular fins

- -,

AbstractThis work involves a numerical two-dimensional study on the effect of thevariation in heat transfer coefficient on the performance of annular fins. Theobject was to study the effect of...

DOI: 10.33899/rengj.2005.46174

Pages: 16-34
Rhythmic Structure in Islamic Architecture

Dr. Abdullah Y. Al-Tayib, Wissam M. Y. Al-Shaikh Essa,

AbstractThe study defines the research problem as a reconsideration orreformulation of a scientific approach to study of the dimensions of rhythmin Islamic Architecture, depending on rhythmic...

DOI: 10.33899/rengj.2005.46187

Pages: 78-88
Analysis and Design of a Novell VPN Switch

Ahmed Badir Mahmood, Dr. A.I.A.Jabbar,

AbstractSecurity problems take an important part of computer network study inwhich several techniques were developed for this purpose. Virtual PrivateNetworks (VPNs) are considered as an active...

DOI: 10.33899/rengj.2005.46200

Pages: 11-25
THE EFFECT OF THE HEIGHT AND SPEED OF THE AIRPLANE CARRYING THE FOCUSED SYNTHETIC APERTURE RADAR ON THE AZIMUTH RESOLUTION

Khalil H. Sayidmarie, Safwan Emad Abdul-Fatah,

Abstract:Airborne imaging radar systems are known by their ability to produce highresolution images of ground targets using microwave region of electromagneticwaves. There are many military and...

DOI: 10.33899/rengj.2005.45729

Pages: 1-15
LABORATORY STUDY OF SCOUR IN LONG CONTRACTIONS

Mr. Sahad E, Saber I.Baker, Dr. Abdul, Dr. Bahzad M.A. Noori

In this investigation, scour in long contractions phenomenon was studiedexperimentally. For this purpose, forty laboratory experiments were carried out ina laboratory channel .Two different river...

DOI: 10.33899/rengj.2005.46184

Pages: 63-77