Volume 14 Issue 3

Published: 2025-06-25

Contents


Article
Properties and Behaviour of Lightweight Concrete Containing Polystyrene Granulars

Salwa Mubark Abdullah, Usama Abdullah Ameer,

In the current research polystyrene particles are added to the concrete mix to produce six strips of reinforced slabs, in order to study the strips bearing capacity at the age of 56 days then later...

DOI: 10.33899/rengj.2006.45331

Pages: 17-26
Analysis of Oxygen Transfer Performance On Subsurface Aeration Systems

Kossay K. Al-Ahmady

AbstractThe efficiency of oxygen transfer depends on many factors including type, size and shape of diffusers and tank geometry. In this paper, the effect of the depth of water in the tank and, the...

DOI: 10.33899/rengj.2006.45320

Pages: 58-73
THE CONSTANT & VARIABLE IN FORMAL CHARACTERISTICS OF OLD MOSUL CITY MOSQUES

Rabee Khaleel Thanoon, Dhuha Abdul Gani Abdul Aziz,

AbstractThe research focused on studying the specialty of mosque architectures in oldMosul City as theoretical knowledge can be used by architect in designingmosques that have its origins in the...

DOI: 10.33899/rengj.2006.45345

Pages: 73-94
The Effect Burnt Alum To Removing Turbidity From Water

Lilian Yaqup Matt, Soad Abid Abawi,

AbstractThe research focuses on the use of ordinary and burnt alum to remove thelight turbidity (10 NTU) and reduces the medium ones (75NTU) by adding ofdifferent doses of ordinary alum...

DOI: 10.33899/rengj.2006.45341

Pages: 43-52
“MECHANICAL PROPERTIES OF STEEL FIBROUS CONCRETE”

Nadiya S. I. Al Saffar,

AbstractThis paper studies the tensile strength of steel fibrous concrete, four different percentage of fibers where used to find out the effect of the addition of steel fibers on the tensile...

DOI: 10.33899/rengj.2006.45308

Pages: 43-57
VLSI Architecture for Real Time IWT

Ahmed Khorsheed Al-Sulaifanie,

AbstractIn this paper, the design of new real time integer to integer lifting based wavelet transform IWT architecture is focused. An efficient design method is proposed to construct an integrated...

DOI: 10.33899/rengj.2006.45302

Pages: 1-13
Developing Annual Load Duration Curve Using an Intelligent Technique

Dr. Azhar S. A. Al-Fahadi, Majed S. M. Al-Hafid, Dr. Abdul-Bary R. Sulaiman,

AbstractThe paper discusses a method to get the hourly load data from the peak daily load (i.e. to store one value and get 24 values). The method uses one of the intelligent techniques (Artificial...

DOI: 10.33899/rengj.2006.45324

Pages: 73-82
Predicting Yield Response Factors In Jensen Model

Maan Hazim Sheet, Eman Hazim Sheet,

AbstractThe yield response model is very important in irrigation planning andmanagement of irrigation projects. A computerized model for simulating irrigationwater requirement for wheat crop at...

DOI: 10.33899/rengj.2006.45344

Pages: 63-72
Mechanical and Thermal Expansion properties of Roselle Fiber Reinforced Cement Composite

Dr. M. A. Ismail,

AbstractThis paper describes an experimental investigation on the mechanical,physical and thermal expansion properties of cement reinforced with Rosellefibres. The short discrete fibre length of...

DOI: 10.33899/rengj.2006.45337

Pages: 27-42
Application of Thermal Energy Storage Systems to Public Worship Buildings

Dr. Ghalib Y. Kahwaji,

AbstractThis paper presents the feasibility of utilizing thermal energy storage systems in reducing both the initial and running expenses of chiller systems in large mosques. The study focused on...

DOI: 10.33899/rengj.2006.45303

Pages: 14-30
Evaluation of Drinking Water Quality in Group of Schools at Mosul City

Mazin nazzar Al-Sanjari, Musa’b A. Al-Tamir,

ABSTRACTThe monitoring of water quality produced for drinking is one of the mostimportant study in order to evaluate the suitability of water for humanconsumption also to evaluate efficiencies of...

DOI: 10.33899/rengj.2006.45343

Pages: 53-62
Probabilities of Storage States of Real Time Reservoir System

Dr. Kamel A. Al-Mohseen,

AbstractThe long-term probabilities of storage states of Bakhma reservoir system at northern part of Iraq have been investigated. The seasonal probability transition matrices have been manipulated...

DOI: 10.33899/rengj.2006.45327

Pages: 83-94
Effect of Misalignment on Gear Teeth Stresses

Dr.Sabah M.J.Ali, Dr.Akram Y.Al-Sa’ati, Mr.Omar D.Mohammed

Abstract:The present research work concentrated on the analysis of stresses generated on transmitting gear tooth, also the effect of misalignment angle on stress distribution and its concentration....

DOI: 10.33899/rengj.2006.45329

Pages: 1-16
VALIDATION OF THE TOTAL RESISTANCE HEAT DISSIPATION MODEL FOR HEAT TRANSMISSION THROUGH ANNULAR FINS

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

An experimental investigation of the heat transfer in annular fins of constant thickness was carried out to prove the total resistance model suggested by Kahwaji [4] , given in equation (1) in the...

DOI: 10.33899/rengj.2006.45305

Pages: 31-42