Volume 17 Issue 5

Published: 2025-06-25

Contents


Article
Visual Sequences in Mosul City Paths A comparative Study for formal characteristics

Niam .Behnam Manona,

AbstractThe urban environment is a spatial organization synthesized from different types of spaces, its characteristics are the key factor of its use because spatial relationship usually affect...

DOI: 10.33899/rengj.2009.43404

Pages: 109-126
Predicting The Relationship Between The Modulus Of Rupture And Compressive Strength Of Cement Mortar

Sura A. Majeed,

The present paper deals with studying the effect of sand/cement (s/c) ratio and water/cement (w/c) ratio on the mechanical properties of cement mortar and to predict a relationship between modulus...

DOI: 10.33899/rengj.2009.43383

Pages: 59-68
Active Control Of Vibration For Aflixibly Supported Rigid Rotor On Oil Film Bearings

Ikhlas A. Basheer, Zakariya Y. Mohammad,

Vibrations in rotating system are considered as one of the major operating problems since they have adverse effects on the performance of rotating system, which result in operating life...

DOI: 10.33899/rengj.2009.43384

Pages: 1-18
The Rhythm and Heritage Continuity in Contemporary Mosul Architectural Product

Nasma M. Thabit,

AbstractThe present study defines the research problem as a reformulation of a scientific aspect to study of the relations between heritage and rhythm under influence of continuity, and discusses...

DOI: 10.33899/rengj.2009.43409

Pages: 127-153
Numerical Study of Natural Convection Heat Transfer of Porous Cavity contains Partitions and Square body by Using Thermal Non-Equilibrium Model

Ramiz Ibraheem Saeed Al-Abushi,

AbstractIn this research, natural cnvective heat transfer between hot walls of cavity and a cold body with square section concentric in cavity is studied numerically. The cavity is filled with a...

DOI: 10.33899/rengj.2009.43385

Pages: 19-33
Statistical Study for Free Evaporation at Mosul Area by Kernel Estimation Method

Alaa Emad Hameed, Basil Khether Dawood, Basil Younis Thanoon,

AbstractMeteorological phenomena like temperature, humidity, radiation, wind speed play an important role in the determining the quantity of evaporation. In this study one of the advanced methods...

DOI: 10.33899/rengj.2009.43396

Pages: 76-90
Applying Direct Sequence Spread Spectrum to Improve the Throughput of Aloha Protocols

A. I. A. Jabbar,

AbstractAloha protocols are characterized by their easy performance and relatively simple hardware requirement as compared with other protocols like CSMA/CA.The main disadvantages of Aloha...

DOI: 10.33899/rengj.2009.43379

Pages: 23-31
THD Reduction Using Series Transformer Connection In A STATCOM Within Mosul Ring System

Yasser A. Mahmood, Majed S. Al-Hafid, Dhaiya A. Al-Nimma,

AbstractThe static synchronous compensator (STATCOM) is one of the components of Flexible AC Transmission System (FACT). STATCOM is used to compensate the reactive power with fast response. It...

DOI: 10.33899/rengj.2009.43378

Pages: 15-22
Laboratory Comparison Study of Scour Downstream Weirs and Communed Gates

Ahmad A. A. Alkatan, Mwafaq Y. M. Aljubori, Bahzad M. A. Noori,

In the present investigation , a laboratory study of scour characteristics downstream weirs , compound gates has been conducted . The study included the measurement of maximum scour depth and the...

DOI: 10.33899/rengj.2009.43392

Pages: 60-75
Wavelet-Based Homomorphic De-Speckling Technique With Directional Weighted-Averaging Stage

Jassim M. Abdul-Jabbar,

AbstractIn this paper, a new homomorphic wavelet-based de-speckling technique is proposed. The technique combines a spatial domain processing with another transform domain processing in a...

DOI: 10.33899/rengj.2009.43380

Pages: 32-43
A Study on the Effects of Servovalve Lap on the Performance of a Closed - Loop Electrohydraulic Position Control System

Rawand E. J. Talabani, Yahya A. Faraj, Rafa A. H. AL-Baldawi,

AbstractThis paper deals with a closedloop position control of a double acting and doublerod actuator using an electrohydraulic servovalve (EHSV). This system is studied by using symmetric critical...

DOI: 10.33899/rengj.2009.43375

Pages: 1-14
The Effect Of A Variable Percentage Of Limestone Filler On Some Mechanical Properties Of Self-Compacting Concrete

Ashtar S. Al-Luhybi,

AbstractThe first aim of this experimental program is to produce and evaluate Self-Consolidating Concrete (SCC); the second aim is to replace part of cement by predetermined percentages of...

DOI: 10.33899/rengj.2009.43381

Pages: 44-58
Spatial Configuration properties of Islamic Palaces

Raeed S. A. Al-numman,

In recent years, trends focusing on exploration the architectural identity through the study of the domestic architecture properties, have emerged in order to find an appropriate architecture...

DOI: 10.33899/rengj.2009.43401

Pages: 91-108
The Effect of Power Swing on Distance Relays Performance

Atheer Habash Abosh, Abdul Ghani A. Abdul Ghafoor,

AbstractThe distance relay is suffering from under-reach in its performance. This is because of some transient disturbance, which may happen when the power flows and swings. Besides that the power...

DOI: 10.33899/rengj.2009.43386

Pages: 43-48
Wastewater Treatment of Khanssa Hospital by Using Some Types of Muds

Halla Nabeel Elea, Soad Abid Abawee,

AbstractThis study aimed to treat the wastewater of Khansaa Hospital in Mosul city by using mud of ( Bentonite , Ninavite & Kaoline ) the experiments were conducted by using the Jar-Test as...

DOI: 10.33899/rengj.2009.43388

Pages: 49-59