Volume 16 (2023)
Volume 15 (2022)
Volume 14 (2021)
Volume 13 (2020)
Volume 12 (2019)
Volume 11 (2018)
Volume 10 (2017)
Volume 9 (2016)
Volume 8 (2015)
Volume 7 (2014)
Volume 6 (2013)
Volume 5 (2012)
Volume 4 (2011)
Volume 3 (2010)
Volume 2 (2009)
Volume 1 (2008)
List of the academic editors of Al-Qadisiyah Journal for Engineering Sciences (QJES) for the period from January 2024 to the present

Khaled Al-Farhany; Ali Fahem

Volume 17, Issue 1 , March 2024, Pages 1-4


  Al-Qadisiyah Journal for Engineering Sciences (QJES), E-ISSN: (2411-7773), P-ISSN: (1998-4456), was established in 2008. The Journal, in its current form, is intended to contribute to the state of the art in all engineering research fields. The Journal is a peer-reviewed journal published by The University ...  Read More

Enhance watershed algorithms using principal component analysis capabilities

Ahmed F Mohamed; Fayez Wanis Zaki Soliman; Mohamed Mahmoud Ashour

Volume 17, Issue 1 , March 2024, Pages 5-15


  Traditional image segmentation algorithms have many drawbacks, such as over-segmentation and image distortion due to reflected light. The Watershed algorithm is one of the most popular image segmentation algorithms. Over-segmentation errors caused by overlapping targets in the image, as well as noise ...  Read More

Experimental investigation of perforated multi-layered composite armor subjected to ballistic impact

Muhanad Mosa; Ali Fahem; Achyuth Thumbalam Guthai

Volume 17, Issue 1 , March 2024, Pages 16-21


  Ballistic protection of vehicles has become an important endeavor, as it is concerned with how occupants can possess a comfortable feeling together with a high level of protection during a shooting incident. In recent years, numerous forms of armor have employed several kinds of distinct materials to ...  Read More

Using the golden ratio in detecting the aesthetics of Mosque facades: The case of contemporary Mosques in Erbil city

Saya Jamal Rashid; Faris Ali Mustafa; Faten Radhwan Yaseen

Volume 17, Issue 1 , March 2024, Pages 22-28


  From ancient Greece till the present, the golden ratio has been considered one of the most significant criteria of beauty in art and architecture. Architectural forms are part of the visual language that is bound by the rules of geometry and proportion. This study aims to identify the extent to which ...  Read More

The influence of micro-channel shape filled by nanofluid on heat transfer characteristics: Numerical and experimental study

Abbas Natheer Tuaima; Ahmed J. Shkarah; Mohammed D. Salman

Volume 17, Issue 1 , March 2024, Pages 29-37


  The integration of nanofluid effects and channel shape effects in a heat sink, which exhibits both variable and constant cross-section, has gained significant traction as an efficient cooling method for thermal devices, particularly microelectronic devices. This research presents an experimental and ...  Read More

Improving the mechanical behavior of pervious concrete using polypropylene and waste rope fibers

S. Z. Abeer; Shereen Qasim Abdulridha; Mohammad Salah Nasr; Zaid Ali Hasan; Ali Shubbar

Volume 17, Issue 1 , March 2024, Pages 38-46


  Urbanization has led to the damage of infrastructure due to floods and water accumulation on roads and sidewalks. To address this problem, pervious concrete was designed to drain water smoothly. However, pervious concrete has certain drawbacks, such as brittleness and poor tensile strength. To overcome ...  Read More

Effect of flame retardants and 1% stabiliser on thermal decomposition and physics properties of thermoplastic polymer due to TGA and DTA tests

Mastura A. Abdalshafie Efhema

Volume 17, Issue 1 , March 2024, Pages 47-57


  This work introduces seven various polymer samples blended in a twin-screw extruder with flame retardants (FR), and an additive, which is a 1% Stabiliser, to investigate thermoplastic polymer melting, thermal decomposition, and melting moderates. The reduction method is used to analyze its melting points, ...  Read More

Evaluation of Residential Density of Single-Family Housing in Erbil Housing/Investment Projects

Mand Ibrahim Aziz; Beri Mustafa Ghafour

Volume 17, Issue 1 , March 2024, Pages 58-65


  Density, as a spatial concept, can be used to predict and manage how land is used. It also plays a role in determining how much capacity is present within a given area. Due to the rapidly growing population in the Kurdistan region, one of the major issues is housing. Over the past ten years, the Kurdistan ...  Read More

Investigation of an automobile air-conditioner with a liquid-suction heat exchanger using R134a and R1234yf

Ansam Akeel Mohammed; Wail S. Sarsam

Volume 17, Issue 1 , March 2024, Pages 66-76


  Air-conditioning systems (ACs) are essential in hot and humid climates to ensure acceptable ambient air quality as well as thermal comfort for buildings users. It is essential to improve refrigeration system performance without increasing the effects of global warming potential (GWP) and ozone depletion ...  Read More

Thermal analysis of an integrated solar combined cycle power plant and its application in southern Iraq

Rahmah Luqman Ibrahim; Abdulrahman Habbo Mohammed

Volume 17, Issue 1 , March 2024, Pages 77-82


  Recently, simple cycle play a significant role in electric power production in Iraq. However, those units suffer from low thermal efficiency and low power output. In the present work, theoretical study is carried out aiming to improve the performance of (AL-Amara station 125MW). The present work includes ...  Read More

Improving the efficiency of the automobile engine cooling system using hybrid MWCNT/Al2O3 as nanofluids

Ahmed A. Mohammed; H. I. Dawood; Helen N. Onyeaka

Volume 17, Issue 1 , March 2024, Pages 83-87


  The aim of this research was to increase the engine car efficiency by adding an innovative material called hybrid MWCNT/Al2O3 nanofluids. A volume ratio instance for investigations is 0.05 MWCNT mixed with 0.05 Al2O3 in distilled water (DW). The experimental temperature setup was in the range from 50 ...  Read More