Volume 31 Issue 2

Published: 2026-06-01

Contents


Research Paper
Effect of Curve Length on Operating Speed on Horizontal Curve of Multilane Divided Rural Roadway

Sarmad S. Al-Sayyaf, Ayman A. Abdulmawjoud

This study deals with evaluating and developing speed predictive models of vehicles on horizontal curves for multilane rural highways. A total of 37 sites were identified, and data were collected...

DOI: 10.33899/arej.v31i2.63528

Pages: 1-6
Power System Contingency Study of On-Grid Renewable Energy Resources with D.G. in a Different Conditions

Omar Muwafaq Al-Yousif, Hiba N. Al-Kaoaz

Contingency studies are conducted to assess the importance and reliability of power control systems by evaluating unspecified equipment outages under various conditions. This study conducts a...

DOI: 10.33899/arej.v31i2.63531

Pages: 7-22
Effect of Attention Mechanisms in a Fuzzified Nested U-Net for Medical Image Segmentation

Noor M. Basheer, Ali Al-Saegh

Accurate segmentation of cardiac structures (right ventricle (RV), left ventricle (LV), and myocardium (Myo)) from cardiac MRI images plays an important role in the diagnosis and treatment of...

DOI: 10.33899/arej.v31i2.63534

Pages: 23-37
Segmentation Improvement of Cardiac Regions in MRI using Hybrid Early-Late Fusion U-Net (HELFU-Net)

Ula T. Salim, Shefa A. Dawwd, Fakhrulddin H. Ali

Image fusion and the U-Net architecture have been successfully applied to many real applications, in particular, cardiac segmentation. This paper suggests a new version named Hybrid Early-Late...

DOI: 10.33899/arej.v31i2.63535

Pages: 38-45
Comparative Study of Cement Columns in Improving The Engineering Properties of Silty Soil

Jasim M. Ismael, Mohammed K. Faris, Abdulrahman Aldaood

This work aims to study the improvement of silty soil properties using different cement column methods. A silty soil was selected from Nineveh Governorate, Iraq, and its engineering properties...

DOI: 10.33899/arej.v31i2.63539

Pages: 46-55
Enhancing Single-Phase Transformer Performance with A Pass-Tune Filter Under Various Load Conditions

Omar Sh. Al-Yozbaky, Shaker M. Khudher

Although single-phase transformers are crucial parts of contemporary electrical power networks, reactive power demands and harmonic distortions can severely impair their performance under...

DOI: 10.33899/arej.v31i2.63540

Pages: 56-68
Effect of the Sheet Piles on Seepage Under the Earth Dam at Various Reservoir Water Levels

Mohamed A. Allayla, Omar M. A. Mahmood Agha, Mohammad Tariq Mahmood, Auday Younis Aziz AL- Mashhadany, Abdulqadir Mohammed Salih

Seepage in earth dams is one of the most challenging issues in geotechnical and hydraulic engineering, as it directly impacts dam safety and reservoir performance. Seepage may lead to internal...

DOI: 10.33899/arej.v31i2.63541

Pages: 69-78
Experimental Investigation of The Flow Over an Arched Sharp-Crested Weir

Ahmed M.S. Al-hayali , Nashwan K. Alomari

Weirs are used to raise the water level in the open channels upstream of the weir for many purposes, such as irrigation; however, they cause turbulence and develop a hydraulic jump downstream of...

DOI: 10.33899/arej.v31i2.63543

Pages: 79-85