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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 fields of engineering research. The Journal is a peer-reviewed journal and is published by The University of Al-Qadisiyah , the college of Engineering, . The journal is now published Quarterly (March, June, September and December).
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Investigation of heat transfer characteristics of Al2O3-water nanofluid in a coiled agitated vessel across varied operating conditions

Uday M. Basheer Al-Naib

Volume 16, Issue 3 , September 2023, Pages 145-149

https://doi.org/10.30772/qjes.2023.178993

Abstract
  This study aimed to investigate the heat transfer behavior of an Al2O3-water nanofluid within a coil-agitated tank. The experiment utilized Al2O3-water nanofluids with varying volume concentrations, namely 0.2 vol%, 0.3 vol%, and 0.4 vol%. Two different cooling water flow rates, specifically 1.8 and ...  Read More

Corrosion inhibition performance of 2- Fluorophenyl-2, 5-dithiohydrazodicarbonamide for copper in 3.5%NaCl Media: Experimental and Monte Carlo insights

Mothana Ghazi Kadhim AlFalah; Murat Saracoglu; Mehmet Izzettin Yilmazer; Fatma Kandemirli

Volume 16, Issue 3 , September 2023, Pages 150-159

https://doi.org/10.30772/qjes.2023.178995

Abstract
  Most industries struggle with corrosion. Corrosion inhibitors are needed in these sectors. Eco-friendly corrosion inhibitors should be effective even at low concentrations. In this work, the compound 2- Fluorophenyl-2, 5- dithiohydrazodicarbonamide (2F-TSC) was utilized as a corrosion inhibitor for copper ...  Read More

Extended finite element approach to predict and track rupture propagation in abdominal aortic aneurysm

Wisam J K Al-obaidi; Mohammed A Al-Tayyar; Parthasarathi Mandal

Volume 16, Issue 3 , September 2023, Pages 160-168

https://doi.org/10.30772/qjes.2023.178994

Abstract
  Abdominal aortic aneurysm (AAA) is a life-threatening cardio-vascular condition. Current surgical intervention is based on the maximum diameter threshold of 5.5 cm. Over the past years, two indicators to predict potential rupture, Rupture Potential Index (RPI) and Finite Element Analysis Rupture Index ...  Read More

A review into studies related to the effect of the pavement surface condition on traffic safety: A scientometric analysis

Manal Ghadban Al-Zubaidi; Hamsa Zubaidi; Bassim H. Al-Humeidawi

Volume 16, Issue 3 , September 2023, Pages 169-179

https://doi.org/10.30772/qjes.2023.178990

Abstract
  Traffic crashes are one of the main reasons for the death of many people and the loss of property Therefore, it is important to conduct research and studies to reduce the risk of accidents and identify the causes that lead to their occurrence. The condition of the pavement is one of the main factors ...  Read More

Promoting students’ well-being indicators through adapting biophilic design attributes in Salahaddin University dormitories

Ardalan Baiz Hasa; Husein Ali Husein

Volume 16, Issue 3 , September 2023, Pages 180-186

https://doi.org/10.30772/qjes.2023.179985

Abstract
  Due to its positive impact on human psychophysiological indicators, biophilic design can be implemented in various built environments. This design approach can be used when the connection to natural elements is limited and when the occupants feel stressed and uncomfortable in a specific space. Purposes: ...  Read More

Assessment of gasoline engine performance and emissions powered by different gasoline-water ammonia blends: A Review

Duaa Saadoun Flaih; Mohamed F. Al-Dawody; Tikendra Nath Verma

Volume 16, Issue 3 , September 2023, Pages 187-193

https://doi.org/10.30772/qjes.2023.178949

Abstract
  As a result of a large number of diseases due to environmental pollution resulting from emissions and fast energy depletion. Many researchers resorted methods to produce a mixture that can be used as fuel and fight these issues. In this work, a mini review was concluded through previous studies to highlight ...  Read More

An optimization model for the layout of a branching water distribution system

Hasan Albo Salih

Volume 16, Issue 3 , September 2023, Pages 194-199

https://doi.org/10.30772/qjes.2023.180307

Abstract
  This paper presents an optimization model for the layout of a branching water distribution system. The goal is to minimize construction costs while meeting the system's demands. The study utilizes the general algebraic modeling system (GAMS) to optimize a non-looping water distribution system. The methodology ...  Read More

Effects of fin on mixed convection heat transfer in a vented square cavity: A numerical study

Mohammed Abu Ghurban; Khaled Al-Farhany; Kada Benhanifia

Volume 16, Issue 3 , September 2023, Pages 200-208

https://doi.org/10.30772/qjes.2023.142305.1016

Abstract
  Numerical investigation of mixed convective in a vented square cavity with fin. The horizontal walls are adiabatic, while the left and right walls are at hot and cold temperatures, respectively. The fluid inlet to the cavity from the lower left open area, and exit from the upper right open area. In this ...  Read More

Control of self-excited induction generator based wind turbine using current and voltage control approaches

S. Ratheesh; Jeba Vins M.

Volume 16, Issue 3 , September 2023, Pages 209-217

https://doi.org/10.30772/qjes.2023.143509.1033

Abstract
  The self-excited induction generator (SEIG) is widely applied in the wind energy conversion system (WECS) to enhance power generation. The power generation from WECS is varied in terms of varying wind speed. Hence, to improve the working of SEIG-based WECS, the multi-stage coati optimized proportional ...  Read More

Blockchain Fog-based scheme for identity authentication in smart building

Alexander A. Varfolomeev; Liwa H. Al-Farhani

Volume 16, Issue 3 , September 2023, Pages 218-227

https://doi.org/10.30772/qjes.1999.180617

Abstract
  This paper presents a proposal for an authentication scheme for smart building systems and environments based on blockchain, its positive features, and fog computing. The most important feature that can be distinguished in the submitted proposal is its adoption of the principle of decentralization in ...  Read More

The column in Arabic Islamic Architecture(Analysis Study for Dimensions and Connotations)

Dr. Mahdi Saleh Alfaraj Al- Ataabi

Volume 7, Issue 2 , June 2014, , Pages 41-72

Abstract
  The column is considered as a support rooted in the ground and forms the part responsible for connecting the upper and lower level. It is a dialectic duality to provide the space with its required qualities .It is a base to support what lies above it and forms a poetic vision which hypothetically give ...  Read More

Corrosion inhibition performance of 2- Fluorophenyl-2, 5-dithiohydrazodicarbonamide for copper in 3.5%NaCl Media: Experimental and Monte Carlo insights

Mothana Ghazi Kadhim AlFalah; Murat Saracoglu; Mehmet Izzettin Yilmazer; Fatma Kandemirli

Volume 16, Issue 3 , September 2023, , Pages 150-159

https://doi.org/10.30772/qjes.2023.178995

Abstract
  Most industries struggle with corrosion. Corrosion inhibitors are needed in these sectors. Eco-friendly corrosion inhibitors should be effective even at low concentrations. In this work, the compound 2- Fluorophenyl-2, 5- dithiohydrazodicarbonamide (2F-TSC) was utilized as a corrosion inhibitor for copper ...  Read More

Effects of fin on mixed convection heat transfer in a vented square cavity: A numerical study

Mohammed Abu Ghurban; Khaled Al-Farhany; Kada Benhanifia

Volume 16, Issue 3 , September 2023, , Pages 200-208

https://doi.org/10.30772/qjes.2023.142305.1016

Abstract
  Numerical investigation of mixed convective in a vented square cavity with fin. The horizontal walls are adiabatic, while the left and right walls are at hot and cold temperatures, respectively. The fluid inlet to the cavity from the lower left open area, and exit from the upper right open area. In this ...  Read More

Investigation of heat transfer characteristics of Al2O3-water nanofluid in a coiled agitated vessel across varied operating conditions

Uday M. Basheer Al-Naib

Volume 16, Issue 3 , September 2023, , Pages 145-149

https://doi.org/10.30772/qjes.2023.178993

Abstract
  This study aimed to investigate the heat transfer behavior of an Al2O3-water nanofluid within a coil-agitated tank. The experiment utilized Al2O3-water nanofluids with varying volume concentrations, namely 0.2 vol%, 0.3 vol%, and 0.4 vol%. Two different cooling water flow rates, specifically 1.8 and ...  Read More

Blockchain Fog-based scheme for identity authentication in smart building

Alexander A. Varfolomeev; Liwa H. Al-Farhani

Volume 16, Issue 3 , September 2023, , Pages 218-227

https://doi.org/10.30772/qjes.1999.180617

Abstract
  This paper presents a proposal for an authentication scheme for smart building systems and environments based on blockchain, its positive features, and fog computing. The most important feature that can be distinguished in the submitted proposal is its adoption of the principle of decentralization in ...  Read More

The assessment of using fiber produced from plastic broom bristles on the impact property of normal-weight concrete slabs

Zayd A. Abdullah Al-Obaidi

Articles in Press, Accepted Manuscript, Available Online from 01 September 2023

https://doi.org/10.30772/qjes.2023.180346

Abstract
  The importance of plastic has emerged in many modern industries, and petroleum is an essential source for the manufacture of many materials of importance in our contemporary life, such as plastic bags, paints, brooms that are used for cleaning, and others. This study showed that it is possible to use ...  Read More

Statistical analysis of the vacuum solar collector using the analysis of ‎variance method

Marwa M. Majeed; Basima S. Khalaf; Layla M. Nassir

Articles in Press, Accepted Manuscript, Available Online from 29 August 2023

https://doi.org/10.30772/qjes.2023.180350

Abstract
  Space and weight constraints, as well as the time lag between energy generation and consumption, ‎are major obstacles to expanding solar water heating systems into existing structures with limited ‎space. It is possible to collect heat with this small, evacuated tube collector (ETC). It was found ...  Read More

Structural Classification of Planetary-Gear-Cam Mechanisms

Farah Mohammed Saoud; Sajad Hussein Abdali; Essam Esmail

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.142157.1015

Abstract
  Planetary gear-cam mechanisms (PGCMs) are mechanisms that combine planetary gears and cams. Despite the fact that these systems have the ability to achieve a wide variety of periodic motions of the output link, they have received little attention. To generate and classify PGCMs, structural properties ...  Read More

Heat transfer augmentation by using different techniques in small scale channels: A review study

Naseer Hamza; Haider A. Abdul kazem

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.141640.1005

Abstract
  In this paper highlights the most significant recent developments in scientific study on Heat sinks are thermal management components made of materials with sufficient thermal conductivity qualities. Due to the increase in operating power and speed as well as the general reduction in system size, the ...  Read More

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

beri Mustafa Ghafour; Mand Ibrahim Aziz

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.142139.1014

Abstract
  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

A Graph-Based Method For Detecting Isomorphism of Geared Kinematic Chains Using a Circuit Matrix and Vertex Degree Array.

Sajad Hussein Abdali; Farah Mohammed Saoud; Essam Esmail

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.142060.1010

Abstract
  Several approaches for detecting isomorphism in kinematic chains have been developed in recent literature. If two kinematic chains have a 1-1 correspondence and their incidences are maintained, they are isomorphic. In this work, a matrix-based method for identifying isomorphism is presented. The new ...  Read More

A review of modelling and inspection techniques at the micro- and nanoscales of dry friction of rough surfaces

muhammed Abdulhasan Muhammed; Nabeel Shallal Almuramady

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.141737.1008

Abstract
  In reality, there are a number of tiny contact asperities on the contact surface, which may be seen at the micro/ nano scales. The total mechanical behavior is the product of all asperities that are involved during the contact. There are still a lot of unresolved issues in the study of contact and dry ...  Read More

Using 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

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.141688.1007

Abstract
  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

A critical review of forced convection in microchannels

Ahmed Ali Shakir Al-Saadi

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.141506.1003

Abstract
  The dissipation of excessive heat flux is presently a significant issue that needs to be addressed due to the use of microdevices in fields such as nuclear energy, electronic devices, aerospace engineering, building engineering, and more. Because their increased heat transfer and compact size, microchannel ...  Read More

Experimental Analysis of Thermal Insulation Performance in Concrete Blocks Integrated with Recycled Rubber Crumbs

Noor Alwan Muhammed; Alaa Liaq Almosawi

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.141468.1002

Abstract
  This paper presents an experimental investigation of thermal insulation in rubberized concrete blocks, where the fine aggregate size was replaced by rubber crumbs at varying ratios (0%, 10%, 20%, 30%, 40%, and 50%). The rubber crumbs used in this study ranged in size from 0-1mm,1-3mm, and 2-4mm. A mixing ...  Read More

Assessing the effectiveness of low-cost materials to act as filter media for phosphate sorption

Ali T Alzeyadi; Nadhir Abbas Al-Ansari; Ali Al-Attabi; Muhanad Mosa

Articles in Press, Accepted Manuscript, Available Online from 30 August 2023

https://doi.org/10.30772/qjes.2023.141371.1001

Abstract
  In this research, an assessment was conducted for several materials to examine their efficiency for sorption phosphate and their potential use as filter media. This work focus on seeking for materials that can achieve high, rapid, and robust phosphate retention. To assess the phosphate removal efficiency, ...  Read More

A GWO-PID controller with advanced optimization features for DC-DC converters

Muhanad D. Hashim Almawlawe; Hassan H. Naji; Al-Sharify Mushtaq Talib; Wali H. Wali

Articles in Press, Accepted Manuscript, Available Online from 02 September 2023

https://doi.org/10.30772/qjes.2023.180482

Abstract
  This work seeks to use both traditional control algorithms and advanced optimization algorithms to enhance the performance of a DC-DC converter. The chosen algorithm was PID based on gray wolf optimization (GWO). PID controller is known for its ease of control and wide range of industrial applications. ...  Read More

Numerical Study of Effect Porous media on Heat Transfer in a Horizontal Annular Tube

Doaa Rokan Hussien; Muna S. Kassim; Mustafa Fouad Yousif

Articles in Press, Accepted Manuscript, Available Online from 03 September 2023

https://doi.org/10.30772/qjes.2023.143069.1028

Abstract
  In current study, to enhance the characteristics and forced convection performance in the horizontal annular in case of presence porous material and without porous material, energy analyses were performed. Many types of porous material, porosities and diameters were used. Computational fluid dynamics ...  Read More

Criteria and Indicators Affecting the Most Appropriate Reuse of Heritage Buildings in Old Cities: Mosul Old City as a Case Study

Suroor Abdulghafoor Jasim; Emad Hani Ismaeel

Articles in Press, Accepted Manuscript, Available Online from 03 September 2023

https://doi.org/10.30772/qjes.2023.141934.1009

Abstract
  For the protection of historic city identity and providing a sustainable benefit to its buildings,the strategy of conserving heritage buildings in old cities through their reuse is complex and crucial.The most appropriate mechanism for reuse is the most widely used mechanism for preserving and enhancing ...  Read More

THE EFFECT OF COMBINED CYCLING IN PLANE SHEAR STRESS WITH TENSION LOADING ON DYNAMIC EDGE CRACK PROPAGATION IN A THIN PLATE

Israa abed al.Razak Mosleh; Fathi Alshamma

Articles in Press, Accepted Manuscript, Available Online from 16 September 2023

https://doi.org/10.30772/qjes.2023.142855.1023

Abstract
  The mechanical design of metals must deal with structures collapsing due to cracks in the material. This study focused on the edge crack with non-proportional cycle loading because it propagates quickly. This fracture is the most dangerous. This research attempted to determine two mathematical models ...  Read More

Post Occupancy Evaluation of Private Open Spaces in Dwelling Units in Single Family Investment Housing Projects in Erbil City

Shayan Shero Ahmed; Mand Ibrahim Dizayee

Articles in Press, Accepted Manuscript, Available Online from 23 September 2023

https://doi.org/10.30772/qjes.2023.141738.1011

Abstract
  Due to urbanization, it has been found that public open spaces shared in the city is not maintained in many cases, as new investments are trying to get use of the land to construct more buildings, same tendency has been noticed with residential estates. The treatment for the shortages of public open ...  Read More

A review of passive and active techniques for backward-facing step

ghaidaa kareem rahi; Dhafer Abdul Amir Hamzah

Articles in Press, Accepted Manuscript, Available Online from 27 September 2023

https://doi.org/10.30772/qjes.2023.142416.1019

Abstract
  This study reveals the increase in heat transfer using passive and active techniques for BFS. Backward- facing step (BFS) flow is one example of a representative model for separation flows which has been noted in its applications in engine flows, vehicles, condensers, heat transfer systems, and flow ...  Read More

The Knowledge Content of Digital Design Subject in Architecture Schools

Sarraa B. Younis; Dhuha A. Al-kazzaz

Articles in Press, Accepted Manuscript, Available Online from 13 October 2023

https://doi.org/10.30772/qjes.2023.143373.1031

Abstract
  The emergence and spread of digital technology in architectural design and professional practice has resulted in a restructuring of architectural education. Different approaches have emerged to integrate digital design into architectural curricula. This paper aims to identify accredited digital design ...  Read More

Investigation of an Automobile Air-Conditioner with a Liquid-Suction Heat Exchanger Using R134a and R1234yf

Ansam Akeel Mohammed

Articles in Press, Accepted Manuscript, Available Online from 20 October 2023

https://doi.org/10.30772/qjes.2023.143262.1030

Abstract
  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

Functional Performance of Octagonal Plan Mosques-Analysis of Octagonal Plan Mosques in Mosul

ali faris faris; hassan mahmood kasim

Articles in Press, Accepted Manuscript, Available Online from 25 October 2023

https://doi.org/10.30772/qjes.2023.143868.1041

Abstract
  The identity of Islamic cities is distinctly manifested through their congregational mosques, primarily characterized by their continuous and stable function. The performance of a mosque is intricately linked to a set of religious, organizational, regulatory, structural, and economic determinants. Furthermore, ...  Read More

An experimental study to improve the performance of a micro-channel heat sink using (CUO-H2O) nanofluid.

Abbas Tuaima

Articles in Press, Accepted Manuscript, Available Online from 27 October 2023

https://doi.org/10.30772/qjes.2023.143746.1039

Abstract
  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 micro electronic devices. This research presents an experimental and ...  Read More

Thermal Analysis of Integrated Solar Combined Cycle Units With Application to South of Iraq

Rahmah Luqman Ibrahim; Abdulrahman Habbo Mohammed

Articles in Press, Accepted Manuscript, Available Online from 16 November 2023

https://doi.org/10.30772/qjes.2023.143607.1036

Abstract
  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

Interface Shapes and Flow Behaviour in Duct Systems under Critical and Sub-Critical Flow Conditions

Mohammed Nsaif Abbas

Articles in Press, Accepted Manuscript, Available Online from 16 November 2023

https://doi.org/10.30772/qjes.2023.143635.1037

Abstract
  This article delves into the intricate dynamics of groundwater flow within duct systems, ‎examining both ‎critical and sub-critical flow conditions. Employing mathematical models, ‎sophisticated potential ‎methodologies, numerical simulations, and flow net analysis, the ‎research ...  Read More

A study of biodiesel production from waste cooking oil and its impact on diesel exhaust emissions with alcohol blends

ALi sadoon mohmmad

Articles in Press, Accepted Manuscript, Available Online from 29 November 2023

https://doi.org/10.30772/qjes.2023.143424.1032

Abstract
  Fuels based on petroleum have been used for many years. However, as the world strives to protect the environment, clean and renewable energy is becoming more sought after. Diesel fuel can be replaced with biodiesel and alcohol. One of the advantages of these fuels is that they are renewable and locally ...  Read More

Hydrodeoxygenation of Linoleic Acid Using Water as Hydrogen Source on Co/HB Zeolite

Fouz D Alqazweeny

Articles in Press, Accepted Manuscript, Available Online from 02 December 2023

https://doi.org/10.30772/qjes.2023.143941.1042

Abstract
  Hydrodeoxygenation (HDO) is a critical step in upgrading biomass-derived feed-stocks to renewable fuels and valuable chemicals. Thus, we preserve the environment through the use of agricultural waste. Water plays the role of solvent, reactant, or byproduct in biomass HDO reactions catalyzed by Co/HB ...  Read More

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