Volume 25 Issue 2
Published: 2025-06-25
Contents
Review Paper
A Review on Mix Design of Self-Compacting Concrete
Nuha H. Al_jubory, Tuqa Waleed Ahmed, Roua Suhail Zidan,
In recent years, the use of self-compacting concrete in structures has increased significantly around the worldMany studies have been carried out on the characteristics of this type of concrete...
DOI: 10.33899/rengj.2020.126727.1017
Simulation and Experimental Gait Cycle of Two Types of Degree of Freedom Bipedal Robot
Ali Fawzi AbulKareem, Ahmed AbdulHussein Ali,
Another type of legged robots is a bipedal walking robot or humanoid robot, which can be designed to implement various functions as necessary and mimic like a human. Often, balance while moving and...
DOI: 10.33899/rengj.2020.127579.1046
Faults Diagnosis in Robot Systems: A Review
Muhamad Azhar A.Alobaidy, Dr. Jassim M. Abdul-Jabbar, Saad Zaghlul Al-khayyt,
Any robot system consists of mechanical and electrical components. . Mostly and with time obsolescence, faults and errors are happen in robot systems lead to work problems. Many years ago,...
DOI: 10.33899/rengj.2020.127782.1051
A Review of Solar Air Heaters: Techniques for Thermal Performance Enhancement
Omar Mohammad Hamdoon,
The solar air heater is a simple device which captures solar energy. Producing hot air by using a solar air heater is a renewable energy heating technology used to process heat generation for space...
DOI: 10.33899/rengj.2020.128374.1065
Research Paper
Numerical Investigation the Failure Mechanism of Left Slope of Darbandikhan Dam
Tareq H. AL-Rahal, Suhail I. Khattab, Bayar J. Al- Sulayfani,
The aim of this research is to analyze the stability of the left shoulder slope of the Derbandikhan Dam failure due to rainfall and earthquake. This slope consists of unsaturated low plasticity...
DOI: 10.33899/rengj.2020.126573.1013
Studying The Effect of Intake Channel Angle on the Sediment Transport Branching Channels
Ehsan Elewy Salman, Mwafaq Younis Mohammed,
An experimental investigation was conducted to observe the connection angle effect of the branched channel front with the main channel on the entering sediments amounts into the branched channel....
DOI: 10.33899/rengj.2020.126731.1018
Design of an Efficient Network Monitoring System Based on Agents
Turkan Ahmed Khaleel, Ahmed Mohammed Basheer,
In this paper, a network service monitoring system was proposed by relying on the agent for several reasons, including the possibility of providing effective control over the network, preventing...
DOI: 10.33899/rengj.2020.126754.1020
Study of Scour Around Cylindrical Bridge Piers with Circular Openings
Mays Ibrahim Alsaidi, Ghania Abd Al-Majeed Hayawi, Mena Ahmed Alsawaf,
To reduce the local scour around bridge piers and ensure their safety, an experimental study was conducted to examine the effect of a single tubular hole that faces the flow direction through three...
DOI: 10.33899/rengj.2020.126863.1029
Effect of Water Content and Dry Density on the Shear Strength Parameters for Expansive Soil
Amina A. Khalil, Ali Nazal Mohammed,
The decrease in shear strength to soil is the cause of many geotechnical problems, especially in clay soils, which may occur due to changes in some soil properties, such as moisture content....
DOI: 10.33899/rengj.2020.126901.1033
Slope Stability Study of Al-Qaim Dam that Proposed to be Constructed on Khosar River – Case Study
Farah Khazaal Saeed, Kamel A. Almohseen, Abdulwahab M. Yunis,
It is extremely significant during the design stage of an earth dam is to analyze the seepage and slope stability. The proposed Al-Qaim dam on Al Khoser river was used as a case study to apply...
DOI: 10.33899/rengj.2020.127023.1034
ESP32 Microcontroller Based Smart Power Meter System Design and Implementation
Issa Ahmed Abed, Hayder Yasir Naser,
Every house and workplaces should install electricity energy meter to evaluate the electricity consumption. Finally of consistently, a large number of us get stressed over the high power bill and...
DOI: 10.33899/rengj.2020.127111.1038
Modelling of Wetting Front Advance and Discharge Change of Subsurface Line Source
Abdulghani Kh. Mohammed, Entesar M. Ghazal,
Sub-drip irrigation is one of the most important and the latest high-performance irrigation systems that are characterized by a high ability to reduce losses of deep percolation and evaporation...
DOI: 10.33899/rengj.2020.127221.1042
Improving the Performance of A Flat Plate Solar Collector Using Nanofluid as Working Fluid
Omar Mohammad Hamdoon,
Solar energy is the best alternative to limited fossil fuels. The foremost important means of utilizing solar energy are solar collectors. The most common types of solar collectors are flat plate...
DOI: 10.33899/rengj.2020.127218.1041
Effect of Nozzle Angel & Cyclic Pressure Head Variation on Water Distribution Uniformity for Stationary Sprinkler Systems
Esraa Ali Younis, Haqqi Ismail Yasin,
The present research included studying the effect of the sprinkler nozzle angle and cyclic variation of the operating pressure head on the uniformity of water distribution for many sprinkler heads...
DOI: 10.33899/rengj.2020.127209.1040
Weighting Signal Error Reduction
Abdelkader Faris Al Shalji, Dr. Fakhrulddin Hamid Ali,
The paper presents and discusses how to use some techniques to reduce the effect of error in the weighting signal which is produced from a load cell. The load cell is one of succeful sensors which...
DOI: 10.33899/rengj.2020.127309.1043
Robust Power System Stabilizer Design Based on H∞/μ
Firas Ahmed Aldurze,
In this article, H / controller is relied on to control the power system stabilizer(PSS) using state space approach for a single machine infinite bus (SMIB) system. Design a robust feedback...
DOI: 10.33899/rengj.2020.127577.1045
Analysis of Rainfall Data for a Number of Stations in Northern Iraq
Ihsan F. Hasan, Younis N. Saeed,
This study aimed to analyze the rainfall time series data for 9 stations in the north of Iraq, namely (Sulaymaniyah, Darbandikhan, Dokan, Duhok, Erbil, Kirkuk, Mosul, Sinjar, Tal-Afar) from 1979...
DOI: 10.33899/rengj.2020.127531.1044
Comprehensive Study and Evaluation of Commonly used Dimensionality Reduction Techniques in Biometrics Field
Shahad A. Sultan, M. F. Ghanim,
In biometrics field, usually feature vectors have major length and contain ineffective information. This problem is so called curse of dimensionality. Hence, there is a need for efficient...
DOI: 10.33899/rengj.2020.127581.1047
Surrogate Worth Trade - Off (SWT) Method and the Decision-Making Process in Water Resources Planning and Management
Kamel Ali Almohseen, Mohammed Awni Khattab,
Multi-objective decision-making methodologies are one among widely researched areas in recent years. As a result, many technologies have been developed. Among these, is Surrogate Worth Trade - Off...
DOI: 10.33899/rengj.2020.127592.1049
